4199 lines
168 KiB
Diff
4199 lines
168 KiB
Diff
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--- /dev/null
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+++ b/unitTests.py
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@@ -0,0 +1,4195 @@
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+# -*- coding: utf-8 -*-
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+#
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+# unitTests.py
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+#
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+# Unit tests for pyparsing module
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+#
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+# Copyright 2002-2018, Paul McGuire
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+#
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+#
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+from unittest import TestCase, TestSuite, TextTestRunner
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+import datetime
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+from pyparsing import ParseException
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+import pyparsing as pp
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+
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+import sys
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+
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+PY_3 = sys.version.startswith('3')
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+if PY_3:
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+ import builtins
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+ print_ = getattr(builtins, "print")
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+
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+ # catch calls to builtin print(), should be print_
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+ def printX(*args, **kwargs):
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+ raise Exception("Test coding error: using print() directly, should use print_()")
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+ globals()['print'] = printX
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+
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+ from io import StringIO
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+else:
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+ def _print(*args, **kwargs):
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+ if 'end' in kwargs:
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+ sys.stdout.write(' '.join(map(str,args)) + kwargs['end'])
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+ else:
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+ sys.stdout.write(' '.join(map(str,args)) + '\n')
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+ print_ = _print
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+ from cStringIO import StringIO
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+
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+
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+# see which Python implementation we are running
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+CPYTHON_ENV = (sys.platform == "win32")
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+IRON_PYTHON_ENV = (sys.platform == "cli")
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+JYTHON_ENV = sys.platform.startswith("java")
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+
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+TEST_USING_PACKRAT = True
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+#~ TEST_USING_PACKRAT = False
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+
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+VERBOSE = True
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+
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+# simple utility for flattening nested lists
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+def flatten(L):
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+ if type(L) is not list: return [L]
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+ if L == []: return L
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+ return flatten(L[0]) + flatten(L[1:])
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+
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+"""
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+class ParseTest(TestCase):
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+ def setUp(self):
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+ pass
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+
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+ def runTest(self):
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+ self.assertTrue(1==1, "we've got bigger problems...")
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+
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+ def tearDown(self):
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+ pass
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+"""
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+
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+class AutoReset(object):
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+ def __init__(self, *args):
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+ ob = args[0]
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+ attrnames = args[1:]
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+ self.ob = ob
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+ self.save_attrs = attrnames
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+ self.save_values = [getattr(ob, attrname) for attrname in attrnames]
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+
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+ def __enter__(self):
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+ pass
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+
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+ def __exit__(self, *args):
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+ for attr, value in zip(self.save_attrs, self.save_values):
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+ setattr(self.ob, attr, value)
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+
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+BUFFER_OUTPUT = True
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+
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+class ParseTestCase(TestCase):
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+ def __init__(self):
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+ super(ParseTestCase, self).__init__(methodName='_runTest')
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+
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+ def _runTest(self):
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+
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+ buffered_stdout = StringIO()
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+
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+ try:
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+ with AutoReset(sys, 'stdout', 'stderr'):
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+ try:
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+ if BUFFER_OUTPUT:
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+ sys.stdout = buffered_stdout
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+ sys.stderr = buffered_stdout
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+ print_(">>>> Starting test",str(self))
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+ self.runTest()
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+
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+ finally:
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+ print_("<<<< End of test",str(self))
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+ print_()
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+
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+ except Exception as exc:
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+ if BUFFER_OUTPUT:
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+ print_()
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+ print_(buffered_stdout.getvalue())
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+ raise
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+
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+ def runTest(self):
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+ pass
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+
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+ def __str__(self):
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+ return self.__class__.__name__
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+
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+class PyparsingTestInit(ParseTestCase):
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+ def setUp(self):
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+ from pyparsing import __version__ as pyparsingVersion
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+ print_("Beginning test of pyparsing, version", pyparsingVersion)
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+ print_("Python version", sys.version)
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+ def tearDown(self):
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+ pass
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+
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+if 0:
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+ class ParseASMLTest(ParseTestCase):
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+ def runTest(self):
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+ import parseASML
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+ files = [ ("A52759.txt", 2150, True, True, 0.38, 25, "21:47:17", "22:07:32", 235),
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+ ("24141506_P5107RM59_399A1457N1_PHS04", 373,True, True, 0.5, 1, "11:35:25", "11:37:05", 183),
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+ ("24141506_P5107RM59_399A1457N1_PHS04B", 373, True, True, 0.5, 1, "01:02:54", "01:04:49", 186),
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+ ("24157800_P5107RM74_399A1828M1_PHS04", 1141, True, False, 0.5, 13, "00:00:54", "23:59:48", 154) ]
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+ for testFile,numToks,trkInpUsed,trkOutpUsed,maxDelta,numWafers,minProcBeg,maxProcEnd,maxLevStatsIV in files:
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+ print_("Parsing",testFile,"...", end=' ')
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+ #~ text = "\n".join( [ line for line in file(testFile) ] )
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+ #~ results = parseASML.BNF().parseString( text )
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+ results = parseASML.BNF().parseFile( testFile )
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+ #~ pprint.pprint( results.asList() )
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+ #~ pprint.pprint( results.batchData.asList() )
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+ #~ print results.batchData.keys()
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+
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+ allToks = flatten( results.asList() )
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+ self.assertTrue(len(allToks) == numToks,
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+ "wrong number of tokens parsed (%s), got %d, expected %d" % (testFile, len(allToks),numToks))
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+ self.assertTrue(results.batchData.trackInputUsed == trkInpUsed, "error evaluating results.batchData.trackInputUsed")
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+ self.assertTrue(results.batchData.trackOutputUsed == trkOutpUsed, "error evaluating results.batchData.trackOutputUsed")
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+ self.assertTrue(results.batchData.maxDelta == maxDelta,"error evaluating results.batchData.maxDelta")
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+ self.assertTrue(len(results.waferData) == numWafers, "did not read correct number of wafers")
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+ self.assertTrue(min([wd.procBegin for wd in results.waferData]) == minProcBeg, "error reading waferData.procBegin")
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+ self.assertTrue(max([results.waferData[k].procEnd for k in range(len(results.waferData))]) == maxProcEnd, "error reading waferData.procEnd")
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+ self.assertTrue(sum(results.levelStatsIV['MAX']) == maxLevStatsIV, "error reading levelStatsIV")
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+ self.assertTrue(sum(results.levelStatsIV.MAX) == maxLevStatsIV, "error reading levelStatsIV")
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+ print_("OK")
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+ print_(testFile,len(allToks))
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+ #~ print "results.batchData.trackInputUsed =",results.batchData.trackInputUsed
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+ #~ print "results.batchData.trackOutputUsed =",results.batchData.trackOutputUsed
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+ #~ print "results.batchData.maxDelta =",results.batchData.maxDelta
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+ #~ print len(results.waferData)," wafers"
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+ #~ print min([wd.procBegin for wd in results.waferData])
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+ #~ print max([results.waferData[k].procEnd for k in range(len(results.waferData))])
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+ #~ print sum(results.levelStatsIV['MAX.'])
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+
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+
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+class ParseFourFnTest(ParseTestCase):
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+ def runTest(self):
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+ import examples.fourFn as fourFn
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+ def test(s,ans):
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+ fourFn.exprStack = []
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+ results = fourFn.BNF().parseString( s )
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+ resultValue = fourFn.evaluateStack( fourFn.exprStack )
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+ self.assertTrue(resultValue == ans, "failed to evaluate %s, got %f" % ( s, resultValue ))
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+ print_(s, "->", resultValue)
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+
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+ from math import pi,exp
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+ e = exp(1)
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+
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+ test( "9", 9 )
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+ test( "9 + 3 + 6", 18 )
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+ test( "9 + 3 / 11", 9.0+3.0/11.0)
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+ test( "(9 + 3)", 12 )
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+ test( "(9+3) / 11", (9.0+3.0)/11.0 )
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+ test( "9 - (12 - 6)", 3)
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+ test( "2*3.14159", 6.28318)
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+ test( "3.1415926535*3.1415926535 / 10", 3.1415926535*3.1415926535/10.0 )
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+ test( "PI * PI / 10", pi*pi/10.0 )
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+ test( "PI*PI/10", pi*pi/10.0 )
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+ test( "6.02E23 * 8.048", 6.02E23 * 8.048 )
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+ test( "e / 3", e/3.0 )
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+ test( "sin(PI/2)", 1.0 )
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+ test( "trunc(E)", 2.0 )
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+ test( "E^PI", e**pi )
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+ test( "2^3^2", 2**3**2)
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+ test( "2^3+2", 2**3+2)
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+ test( "2^9", 2**9 )
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+ test( "sgn(-2)", -1 )
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+ test( "sgn(0)", 0 )
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+ test( "sgn(0.1)", 1 )
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+
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+class ParseSQLTest(ParseTestCase):
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+ def runTest(self):
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+ import examples.simpleSQL as simpleSQL
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+
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+ def test(s, numToks, errloc=-1):
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+ try:
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+ sqlToks = flatten(simpleSQL.simpleSQL.parseString(s).asList())
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+ print_(s,sqlToks,len(sqlToks))
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+ self.assertEqual(len(sqlToks), numToks,
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+ "invalid parsed tokens, expected {}, found {} ({})".format(numToks,
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+ len(sqlToks),
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+ sqlToks))
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+ except ParseException as e:
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+ if errloc >= 0:
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+ self.assertEqual(e.loc, errloc, "expected error at {}, found at {}".format(errloc, e.loc))
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+
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+ test( "SELECT * from XYZZY, ABC", 6 )
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+ test( "select * from SYS.XYZZY", 5 )
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+ test( "Select A from Sys.dual", 5 )
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+ test( "Select A,B,C from Sys.dual", 7 )
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+ test( "Select A, B, C from Sys.dual", 7 )
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+ test( "Select A, B, C from Sys.dual, Table2 ", 8 )
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+ test( "Xelect A, B, C from Sys.dual", 0, 0 )
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+ test( "Select A, B, C frox Sys.dual", 0, 15 )
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+ test( "Select", 0, 6 )
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+ test( "Select &&& frox Sys.dual", 0, 7 )
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+ test( "Select A from Sys.dual where a in ('RED','GREEN','BLUE')", 12 )
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+ test( "Select A from Sys.dual where a in ('RED','GREEN','BLUE') and b in (10,20,30)", 20 )
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+ test( "Select A,b from table1,table2 where table1.id eq table2.id -- test out comparison operators", 10 )
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+
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+class ParseConfigFileTest(ParseTestCase):
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+ def runTest(self):
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+ from examples import configParse
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+
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+ def test(fnam,numToks,resCheckList):
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+ print_("Parsing",fnam,"...", end=' ')
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+ with open(fnam) as infile:
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+ iniFileLines = "\n".join(infile.read().splitlines())
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+ iniData = configParse.inifile_BNF().parseString( iniFileLines )
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+ print_(len(flatten(iniData.asList())))
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+ #~ pprint.pprint( iniData.asList() )
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+ #~ pprint.pprint( repr(iniData) )
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+ #~ print len(iniData), len(flatten(iniData.asList()))
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+ print_(list(iniData.keys()))
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|
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+ #~ print iniData.users.keys()
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|
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+ #~ print
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+ self.assertEqual(len(flatten(iniData.asList())), numToks, "file %s not parsed correctly" % fnam)
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+ for chk in resCheckList:
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+ var = iniData
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|
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+ for attr in chk[0].split('.'):
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+ var = getattr(var, attr)
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+ print_(chk[0], var, chk[1])
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+ self.assertEqual(var, chk[1],
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|||
|
|
+ "ParseConfigFileTest: failed to parse ini {!r} as expected {}, found {}".format(chk[0],
|
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+ chk[1],
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+ var))
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|
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+ print_("OK")
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+
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|||
|
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+ test("test/karthik.ini", 23,
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|
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+ [ ("users.K","8"),
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|||
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+ ("users.mod_scheme","'QPSK'"),
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|||
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+ ("users.Na", "K+2") ]
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|||
|
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+ )
|
|||
|
|
+ test("examples/Setup.ini", 125,
|
|||
|
|
+ [ ("Startup.audioinf", "M3i"),
|
|||
|
|
+ ("Languages.key1", "0x0003"),
|
|||
|
|
+ ("test.foo","bar") ] )
|
|||
|
|
+
|
|||
|
|
+class ParseJSONDataTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from examples.jsonParser import jsonObject
|
|||
|
|
+ from test.jsonParserTests import test1,test2,test3,test4,test5
|
|||
|
|
+ from test.jsonParserTests import test1,test2,test3,test4,test5
|
|||
|
|
+
|
|||
|
|
+ expected = [
|
|||
|
|
+ [],
|
|||
|
|
+ [],
|
|||
|
|
+ [],
|
|||
|
|
+ [],
|
|||
|
|
+ [],
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ for t,exp in zip((test1,test2,test3,test4,test5),expected):
|
|||
|
|
+ result = jsonObject.parseString(t)
|
|||
|
|
+## print result.dump()
|
|||
|
|
+ result.pprint()
|
|||
|
|
+ print_()
|
|||
|
|
+## if result.asList() != exp:
|
|||
|
|
+## print "Expected %s, parsed results as %s" % (exp, result.asList())
|
|||
|
|
+
|
|||
|
|
+class ParseCommaSeparatedValuesTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import commaSeparatedList
|
|||
|
|
+
|
|||
|
|
+ testData = [
|
|||
|
|
+ "a,b,c,100.2,,3",
|
|||
|
|
+ "d, e, j k , m ",
|
|||
|
|
+ "'Hello, World', f, g , , 5.1,x",
|
|||
|
|
+ "John Doe, 123 Main St., Cleveland, Ohio",
|
|||
|
|
+ "Jane Doe, 456 St. James St., Los Angeles , California ",
|
|||
|
|
+ "",
|
|||
|
|
+ ]
|
|||
|
|
+ testVals = [
|
|||
|
|
+ [ (3,'100.2'), (4,''), (5, '3') ],
|
|||
|
|
+ [ (2, 'j k'), (3, 'm') ],
|
|||
|
|
+ [ (0, "'Hello, World'"), (2, 'g'), (3, '') ],
|
|||
|
|
+ [ (0,'John Doe'), (1, '123 Main St.'), (2, 'Cleveland'), (3, 'Ohio') ],
|
|||
|
|
+ [ (0,'Jane Doe'), (1, '456 St. James St.'), (2, 'Los Angeles'), (3, 'California') ]
|
|||
|
|
+ ]
|
|||
|
|
+ for line,tests in zip(testData, testVals):
|
|||
|
|
+ print_("Parsing: \""+line+"\" ->", end=' ')
|
|||
|
|
+ results = commaSeparatedList.parseString(line)
|
|||
|
|
+ print_(results.asList())
|
|||
|
|
+ for t in tests:
|
|||
|
|
+ if not(len(results)>t[0] and results[t[0]] == t[1]):
|
|||
|
|
+ print_("$$$", results.dump())
|
|||
|
|
+ print_("$$$", results[0])
|
|||
|
|
+ self.assertTrue(len(results)>t[0] and results[t[0]] == t[1],
|
|||
|
|
+ "failed on %s, item %d s/b '%s', got '%s'" % (line, t[0], t[1], str(results.asList())))
|
|||
|
|
+
|
|||
|
|
+class ParseEBNFTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from examples import ebnf
|
|||
|
|
+ from pyparsing import Word, quotedString, alphas, nums
|
|||
|
|
+
|
|||
|
|
+ print_('Constructing EBNF parser with pyparsing...')
|
|||
|
|
+
|
|||
|
|
+ grammar = '''
|
|||
|
|
+ syntax = (syntax_rule), {(syntax_rule)};
|
|||
|
|
+ syntax_rule = meta_identifier, '=', definitions_list, ';';
|
|||
|
|
+ definitions_list = single_definition, {'|', single_definition};
|
|||
|
|
+ single_definition = syntactic_term, {',', syntactic_term};
|
|||
|
|
+ syntactic_term = syntactic_factor,['-', syntactic_factor];
|
|||
|
|
+ syntactic_factor = [integer, '*'], syntactic_primary;
|
|||
|
|
+ syntactic_primary = optional_sequence | repeated_sequence |
|
|||
|
|
+ grouped_sequence | meta_identifier | terminal_string;
|
|||
|
|
+ optional_sequence = '[', definitions_list, ']';
|
|||
|
|
+ repeated_sequence = '{', definitions_list, '}';
|
|||
|
|
+ grouped_sequence = '(', definitions_list, ')';
|
|||
|
|
+ (*
|
|||
|
|
+ terminal_string = "'", character - "'", {character - "'"}, "'" |
|
|||
|
|
+ '"', character - '"', {character - '"'}, '"';
|
|||
|
|
+ meta_identifier = letter, {letter | digit};
|
|||
|
|
+ integer = digit, {digit};
|
|||
|
|
+ *)
|
|||
|
|
+ '''
|
|||
|
|
+
|
|||
|
|
+ table = {}
|
|||
|
|
+ table['terminal_string'] = quotedString
|
|||
|
|
+ table['meta_identifier'] = Word(alphas+"_", alphas+"_"+nums)
|
|||
|
|
+ table['integer'] = Word(nums)
|
|||
|
|
+
|
|||
|
|
+ print_('Parsing EBNF grammar with EBNF parser...')
|
|||
|
|
+ parsers = ebnf.parse(grammar, table)
|
|||
|
|
+ ebnf_parser = parsers['syntax']
|
|||
|
|
+ #~ print ",\n ".join( str(parsers.keys()).split(", ") )
|
|||
|
|
+ print_("-","\n- ".join( list(parsers.keys()) ))
|
|||
|
|
+ self.assertEqual(len(list(parsers.keys())), 13, "failed to construct syntax grammar")
|
|||
|
|
+
|
|||
|
|
+ print_('Parsing EBNF grammar with generated EBNF parser...')
|
|||
|
|
+ parsed_chars = ebnf_parser.parseString(grammar)
|
|||
|
|
+ parsed_char_len = len(parsed_chars)
|
|||
|
|
+
|
|||
|
|
+ print_("],\n".join(str( parsed_chars.asList() ).split("],")))
|
|||
|
|
+ self.assertEqual(len(flatten(parsed_chars.asList())), 98, "failed to tokenize grammar correctly")
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class ParseIDLTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from examples import idlParse
|
|||
|
|
+
|
|||
|
|
+ def test( strng, numToks, errloc=0 ):
|
|||
|
|
+ print_(strng)
|
|||
|
|
+ try:
|
|||
|
|
+ bnf = idlParse.CORBA_IDL_BNF()
|
|||
|
|
+ tokens = bnf.parseString( strng )
|
|||
|
|
+ print_("tokens = ")
|
|||
|
|
+ tokens.pprint()
|
|||
|
|
+ tokens = flatten( tokens.asList() )
|
|||
|
|
+ print_(len(tokens))
|
|||
|
|
+ self.assertEqual(len(tokens), numToks, "error matching IDL string, %s -> %s" % (strng, str(tokens)))
|
|||
|
|
+ except ParseException as err:
|
|||
|
|
+ print_(err.line)
|
|||
|
|
+ print_(" "*(err.column-1) + "^")
|
|||
|
|
+ print_(err)
|
|||
|
|
+ self.assertEqual(numToks, 0, "unexpected ParseException while parsing %s, %s" % (strng, str(err)))
|
|||
|
|
+ self.assertEqual(err.loc, errloc,
|
|||
|
|
+ "expected ParseException at %d, found exception at %d" % (errloc, err.loc))
|
|||
|
|
+
|
|||
|
|
+ test(
|
|||
|
|
+ """
|
|||
|
|
+ /*
|
|||
|
|
+ * a block comment *
|
|||
|
|
+ */
|
|||
|
|
+ typedef string[10] tenStrings;
|
|||
|
|
+ typedef sequence<string> stringSeq;
|
|||
|
|
+ typedef sequence< sequence<string> > stringSeqSeq;
|
|||
|
|
+
|
|||
|
|
+ interface QoSAdmin {
|
|||
|
|
+ stringSeq method1( in string arg1, inout long arg2 );
|
|||
|
|
+ stringSeqSeq method2( in string arg1, inout long arg2, inout long arg3);
|
|||
|
|
+ string method3();
|
|||
|
|
+ };
|
|||
|
|
+ """, 59
|
|||
|
|
+ )
|
|||
|
|
+ test(
|
|||
|
|
+ """
|
|||
|
|
+ /*
|
|||
|
|
+ * a block comment *
|
|||
|
|
+ */
|
|||
|
|
+ typedef string[10] tenStrings;
|
|||
|
|
+ typedef
|
|||
|
|
+ /** ** *** **** *
|
|||
|
|
+ * a block comment *
|
|||
|
|
+ */
|
|||
|
|
+ sequence<string> /*comment inside an And */ stringSeq;
|
|||
|
|
+ /* */ /**/ /***/ /****/
|
|||
|
|
+ typedef sequence< sequence<string> > stringSeqSeq;
|
|||
|
|
+
|
|||
|
|
+ interface QoSAdmin {
|
|||
|
|
+ stringSeq method1( in string arg1, inout long arg2 );
|
|||
|
|
+ stringSeqSeq method2( in string arg1, inout long arg2, inout long arg3);
|
|||
|
|
+ string method3();
|
|||
|
|
+ };
|
|||
|
|
+ """, 59
|
|||
|
|
+ )
|
|||
|
|
+ test(
|
|||
|
|
+ r"""
|
|||
|
|
+ const string test="Test String\n";
|
|||
|
|
+ const long a = 0;
|
|||
|
|
+ const long b = -100;
|
|||
|
|
+ const float c = 3.14159;
|
|||
|
|
+ const long d = 0x007f7f7f;
|
|||
|
|
+ exception TestException
|
|||
|
|
+ {
|
|||
|
|
+ string msg;
|
|||
|
|
+ sequence<string> dataStrings;
|
|||
|
|
+ };
|
|||
|
|
+
|
|||
|
|
+ interface TestInterface
|
|||
|
|
+ {
|
|||
|
|
+ void method1( in string arg1, inout long arg2 );
|
|||
|
|
+ };
|
|||
|
|
+ """, 60
|
|||
|
|
+ )
|
|||
|
|
+ test(
|
|||
|
|
+ """
|
|||
|
|
+ module Test1
|
|||
|
|
+ {
|
|||
|
|
+ exception TestException
|
|||
|
|
+ {
|
|||
|
|
+ string msg;
|
|||
|
|
+ ];
|
|||
|
|
+
|
|||
|
|
+ interface TestInterface
|
|||
|
|
+ {
|
|||
|
|
+ void method1( in string arg1, inout long arg2 )
|
|||
|
|
+ raises ( TestException );
|
|||
|
|
+ };
|
|||
|
|
+ };
|
|||
|
|
+ """, 0, 56
|
|||
|
|
+ )
|
|||
|
|
+ test(
|
|||
|
|
+ """
|
|||
|
|
+ module Test1
|
|||
|
|
+ {
|
|||
|
|
+ exception TestException
|
|||
|
|
+ {
|
|||
|
|
+ string msg;
|
|||
|
|
+ };
|
|||
|
|
+
|
|||
|
|
+ };
|
|||
|
|
+ """, 13
|
|||
|
|
+ )
|
|||
|
|
+
|
|||
|
|
+class ParseVerilogTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ pass
|
|||
|
|
+
|
|||
|
|
+class RunExamplesTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ pass
|
|||
|
|
+
|
|||
|
|
+class ScanStringTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word, Combine, Suppress, CharsNotIn, nums, StringEnd
|
|||
|
|
+ testdata = """
|
|||
|
|
+ <table border="0" cellpadding="3" cellspacing="3" frame="" width="90%">
|
|||
|
|
+ <tr align="left" valign="top">
|
|||
|
|
+ <td><b>Name</b></td>
|
|||
|
|
+ <td><b>IP Address</b></td>
|
|||
|
|
+ <td><b>Location</b></td>
|
|||
|
|
+ </tr>
|
|||
|
|
+ <tr align="left" valign="top" bgcolor="#c7efce">
|
|||
|
|
+ <td>time-a.nist.gov</td>
|
|||
|
|
+ <td>129.6.15.28</td>
|
|||
|
|
+ <td>NIST, Gaithersburg, Maryland</td>
|
|||
|
|
+ </tr>
|
|||
|
|
+ <tr align="left" valign="top">
|
|||
|
|
+ <td>time-b.nist.gov</td>
|
|||
|
|
+ <td>129.6.15.29</td>
|
|||
|
|
+ <td>NIST, Gaithersburg, Maryland</td>
|
|||
|
|
+ </tr>
|
|||
|
|
+ <tr align="left" valign="top" bgcolor="#c7efce">
|
|||
|
|
+ <td>time-a.timefreq.bldrdoc.gov</td>
|
|||
|
|
+ <td>132.163.4.101</td>
|
|||
|
|
+ <td>NIST, Boulder, Colorado</td>
|
|||
|
|
+ </tr>
|
|||
|
|
+ <tr align="left" valign="top">
|
|||
|
|
+ <td>time-b.timefreq.bldrdoc.gov</td>
|
|||
|
|
+ <td>132.163.4.102</td>
|
|||
|
|
+ <td>NIST, Boulder, Colorado</td>
|
|||
|
|
+ </tr>
|
|||
|
|
+ <tr align="left" valign="top" bgcolor="#c7efce">
|
|||
|
|
+ <td>time-c.timefreq.bldrdoc.gov</td>
|
|||
|
|
+ <td>132.163.4.103</td>
|
|||
|
|
+ <td>NIST, Boulder, Colorado</td>
|
|||
|
|
+ </tr>
|
|||
|
|
+ </table>
|
|||
|
|
+ """
|
|||
|
|
+ integer = Word(nums)
|
|||
|
|
+ ipAddress = Combine( integer + "." + integer + "." + integer + "." + integer )
|
|||
|
|
+ tdStart = Suppress("<td>")
|
|||
|
|
+ tdEnd = Suppress("</td>")
|
|||
|
|
+ timeServerPattern = (tdStart + ipAddress("ipAddr") + tdEnd
|
|||
|
|
+ + tdStart + CharsNotIn("<")("loc") + tdEnd)
|
|||
|
|
+ servers = [srvr.ipAddr for srvr,startloc,endloc in timeServerPattern.scanString( testdata )]
|
|||
|
|
+
|
|||
|
|
+ print_(servers)
|
|||
|
|
+ self.assertEqual(servers,
|
|||
|
|
+ ['129.6.15.28', '129.6.15.29', '132.163.4.101', '132.163.4.102', '132.163.4.103'],
|
|||
|
|
+ "failed scanString()")
|
|||
|
|
+
|
|||
|
|
+ # test for stringEnd detection in scanString
|
|||
|
|
+ foundStringEnds = [ r for r in StringEnd().scanString("xyzzy") ]
|
|||
|
|
+ print_(foundStringEnds)
|
|||
|
|
+ self.assertTrue(foundStringEnds, "Failed to find StringEnd in scanString")
|
|||
|
|
+
|
|||
|
|
+class QuotedStringsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import sglQuotedString,dblQuotedString,quotedString,QuotedString
|
|||
|
|
+ testData = \
|
|||
|
|
+ """
|
|||
|
|
+ 'a valid single quoted string'
|
|||
|
|
+ 'an invalid single quoted string
|
|||
|
|
+ because it spans lines'
|
|||
|
|
+ "a valid double quoted string"
|
|||
|
|
+ "an invalid double quoted string
|
|||
|
|
+ because it spans lines"
|
|||
|
|
+ """
|
|||
|
|
+ print_(testData)
|
|||
|
|
+
|
|||
|
|
+ sglStrings = [(t[0],b,e) for (t,b,e) in sglQuotedString.scanString(testData)]
|
|||
|
|
+ print_(sglStrings)
|
|||
|
|
+ self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1] == 17 and sglStrings[0][2] == 47),
|
|||
|
|
+ "single quoted string failure")
|
|||
|
|
+
|
|||
|
|
+ dblStrings = [(t[0],b,e) for (t,b,e) in dblQuotedString.scanString(testData)]
|
|||
|
|
+ print_(dblStrings)
|
|||
|
|
+ self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1] == 154 and dblStrings[0][2] == 184),
|
|||
|
|
+ "double quoted string failure")
|
|||
|
|
+
|
|||
|
|
+ allStrings = [(t[0],b,e) for (t,b,e) in quotedString.scanString(testData)]
|
|||
|
|
+ print_(allStrings)
|
|||
|
|
+ self.assertTrue(len(allStrings) == 2
|
|||
|
|
+ and (allStrings[0][1] == 17
|
|||
|
|
+ and allStrings[0][2] == 47)
|
|||
|
|
+ and (allStrings[1][1] == 154
|
|||
|
|
+ and allStrings[1][2] == 184),
|
|||
|
|
+ "quoted string failure")
|
|||
|
|
+
|
|||
|
|
+ escapedQuoteTest = \
|
|||
|
|
+ r"""
|
|||
|
|
+ 'This string has an escaped (\') quote character'
|
|||
|
|
+ "This string has an escaped (\") quote character"
|
|||
|
|
+ """
|
|||
|
|
+
|
|||
|
|
+ sglStrings = [(t[0],b,e) for (t,b,e) in sglQuotedString.scanString(escapedQuoteTest)]
|
|||
|
|
+ print_(sglStrings)
|
|||
|
|
+ self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1]==17 and sglStrings[0][2]==66),
|
|||
|
|
+ "single quoted string escaped quote failure (%s)" % str(sglStrings[0]))
|
|||
|
|
+
|
|||
|
|
+ dblStrings = [(t[0],b,e) for (t,b,e) in dblQuotedString.scanString(escapedQuoteTest)]
|
|||
|
|
+ print_(dblStrings)
|
|||
|
|
+ self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1]==83 and dblStrings[0][2]==132),
|
|||
|
|
+ "double quoted string escaped quote failure (%s)" % str(dblStrings[0]))
|
|||
|
|
+
|
|||
|
|
+ allStrings = [(t[0],b,e) for (t,b,e) in quotedString.scanString(escapedQuoteTest)]
|
|||
|
|
+ print_(allStrings)
|
|||
|
|
+ self.assertTrue(len(allStrings) == 2
|
|||
|
|
+ and (allStrings[0][1] == 17
|
|||
|
|
+ and allStrings[0][2] == 66
|
|||
|
|
+ and allStrings[1][1] == 83
|
|||
|
|
+ and allStrings[1][2] == 132),
|
|||
|
|
+ "quoted string escaped quote failure (%s)" % ([str(s[0]) for s in allStrings]))
|
|||
|
|
+
|
|||
|
|
+ dblQuoteTest = \
|
|||
|
|
+ r"""
|
|||
|
|
+ 'This string has an doubled ('') quote character'
|
|||
|
|
+ "This string has an doubled ("") quote character"
|
|||
|
|
+ """
|
|||
|
|
+ sglStrings = [(t[0],b,e) for (t,b,e) in sglQuotedString.scanString(dblQuoteTest)]
|
|||
|
|
+ print_(sglStrings)
|
|||
|
|
+ self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1]==17 and sglStrings[0][2]==66),
|
|||
|
|
+ "single quoted string escaped quote failure (%s)" % str(sglStrings[0]))
|
|||
|
|
+ dblStrings = [(t[0],b,e) for (t,b,e) in dblQuotedString.scanString(dblQuoteTest)]
|
|||
|
|
+ print_(dblStrings)
|
|||
|
|
+ self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1]==83 and dblStrings[0][2]==132),
|
|||
|
|
+ "double quoted string escaped quote failure (%s)" % str(dblStrings[0]))
|
|||
|
|
+ allStrings = [(t[0],b,e) for (t,b,e) in quotedString.scanString(dblQuoteTest)]
|
|||
|
|
+ print_(allStrings)
|
|||
|
|
+ self.assertTrue(len(allStrings) == 2
|
|||
|
|
+ and (allStrings[0][1] == 17
|
|||
|
|
+ and allStrings[0][2] == 66
|
|||
|
|
+ and allStrings[1][1] == 83
|
|||
|
|
+ and allStrings[1][2] == 132),
|
|||
|
|
+ "quoted string escaped quote failure (%s)" % ([str(s[0]) for s in allStrings]))
|
|||
|
|
+
|
|||
|
|
+ print_("testing catastrophic RE backtracking in implementation of dblQuotedString")
|
|||
|
|
+ for expr, test_string in [
|
|||
|
|
+ (dblQuotedString, '"' + '\\xff' * 500),
|
|||
|
|
+ (sglQuotedString, "'" + '\\xff' * 500),
|
|||
|
|
+ (quotedString, '"' + '\\xff' * 500),
|
|||
|
|
+ (quotedString, "'" + '\\xff' * 500),
|
|||
|
|
+ (QuotedString('"'), '"' + '\\xff' * 500),
|
|||
|
|
+ (QuotedString("'"), "'" + '\\xff' * 500),
|
|||
|
|
+ ]:
|
|||
|
|
+ expr.parseString(test_string+test_string[0])
|
|||
|
|
+ try:
|
|||
|
|
+ expr.parseString(test_string)
|
|||
|
|
+ except Exception:
|
|||
|
|
+ continue
|
|||
|
|
+
|
|||
|
|
+class CaselessOneOfTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import oneOf,ZeroOrMore
|
|||
|
|
+
|
|||
|
|
+ caseless1 = oneOf("d a b c aA B A C", caseless=True)
|
|||
|
|
+ caseless1str = str( caseless1 )
|
|||
|
|
+ print_(caseless1str)
|
|||
|
|
+ caseless2 = oneOf("d a b c Aa B A C", caseless=True)
|
|||
|
|
+ caseless2str = str( caseless2 )
|
|||
|
|
+ print_(caseless2str)
|
|||
|
|
+ self.assertEqual(caseless1str.upper(), caseless2str.upper(), "oneOf not handling caseless option properly")
|
|||
|
|
+ self.assertNotEqual(caseless1str, caseless2str, "Caseless option properly sorted")
|
|||
|
|
+
|
|||
|
|
+ res = ZeroOrMore(caseless1).parseString("AAaaAaaA")
|
|||
|
|
+ print_(res)
|
|||
|
|
+ self.assertEqual(len(res), 4, "caseless1 oneOf failed")
|
|||
|
|
+ self.assertEqual("".join(res), "aA"*4,"caseless1 CaselessLiteral return failed")
|
|||
|
|
+
|
|||
|
|
+ res = ZeroOrMore(caseless2).parseString("AAaaAaaA")
|
|||
|
|
+ print_(res)
|
|||
|
|
+ self.assertEqual(len(res), 4, "caseless2 oneOf failed")
|
|||
|
|
+ self.assertEqual("".join(res), "Aa"*4,"caseless1 CaselessLiteral return failed")
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class AsXMLTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ # test asXML()
|
|||
|
|
+
|
|||
|
|
+ aaa = pp.Word("a")("A")
|
|||
|
|
+ bbb = pp.Group(pp.Word("b"))("B")
|
|||
|
|
+ ccc = pp.Combine(":" + pp.Word("c"))("C")
|
|||
|
|
+ g1 = "XXX>&<" + pp.ZeroOrMore( aaa | bbb | ccc )
|
|||
|
|
+ teststring = "XXX>&< b b a b b a b :c b a"
|
|||
|
|
+ #~ print teststring
|
|||
|
|
+ print_("test including all items")
|
|||
|
|
+ xml = g1.parseString(teststring).asXML("TEST",namedItemsOnly=False)
|
|||
|
|
+ assert xml=="\n".join(["",
|
|||
|
|
+ "<TEST>",
|
|||
|
|
+ " <ITEM>XXX>&<</ITEM>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <A>a</A>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <A>a</A>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <C>:c</C>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <A>a</A>",
|
|||
|
|
+ "</TEST>",
|
|||
|
|
+ ] ), \
|
|||
|
|
+ "failed to generate XML correctly showing all items: \n[" + xml + "]"
|
|||
|
|
+ print_("test filtering unnamed items")
|
|||
|
|
+ xml = g1.parseString(teststring).asXML("TEST",namedItemsOnly=True)
|
|||
|
|
+ assert xml=="\n".join(["",
|
|||
|
|
+ "<TEST>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <A>a</A>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <A>a</A>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <C>:c</C>",
|
|||
|
|
+ " <B>",
|
|||
|
|
+ " <ITEM>b</ITEM>",
|
|||
|
|
+ " </B>",
|
|||
|
|
+ " <A>a</A>",
|
|||
|
|
+ "</TEST>",
|
|||
|
|
+ ] ), \
|
|||
|
|
+ "failed to generate XML correctly, filtering unnamed items: " + xml
|
|||
|
|
+
|
|||
|
|
+class AsXMLTest2(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Suppress,Optional,CharsNotIn,Combine,ZeroOrMore,Word,\
|
|||
|
|
+ Group,Literal,alphas,alphanums,delimitedList,OneOrMore
|
|||
|
|
+
|
|||
|
|
+ EndOfLine = Word("\n").setParseAction(lambda s,l,t: [' '])
|
|||
|
|
+ whiteSpace=Word('\t ')
|
|||
|
|
+ Mexpr = Suppress(Optional(whiteSpace)) + CharsNotIn('\\"\t \n') + Optional(" ") + \
|
|||
|
|
+ Suppress(Optional(whiteSpace))
|
|||
|
|
+ reducedString = Combine(Mexpr + ZeroOrMore(EndOfLine + Mexpr))
|
|||
|
|
+ _bslash = "\\"
|
|||
|
|
+ _escapables = "tnrfbacdeghijklmopqsuvwxyz" + _bslash + "'" + '"'
|
|||
|
|
+ _octDigits = "01234567"
|
|||
|
|
+ _escapedChar = ( Word( _bslash, _escapables, exact=2 ) |
|
|||
|
|
+ Word( _bslash, _octDigits, min=2, max=4 ) )
|
|||
|
|
+ _sglQuote = Literal("'")
|
|||
|
|
+ _dblQuote = Literal('"')
|
|||
|
|
+ QuotedReducedString = Combine( Suppress(_dblQuote) + ZeroOrMore( reducedString |
|
|||
|
|
+ _escapedChar ) + \
|
|||
|
|
+ Suppress(_dblQuote )).streamline()
|
|||
|
|
+
|
|||
|
|
+ Manifest_string = QuotedReducedString('manifest_string')
|
|||
|
|
+
|
|||
|
|
+ Identifier = Word( alphas, alphanums+ '_$' )("identifier")
|
|||
|
|
+ Index_string = CharsNotIn('\\";\n')
|
|||
|
|
+ Index_string.setName('index_string')
|
|||
|
|
+ Index_term_list = (
|
|||
|
|
+ Group(delimitedList(Manifest_string, delim=',')) | \
|
|||
|
|
+ Index_string
|
|||
|
|
+ )('value')
|
|||
|
|
+
|
|||
|
|
+ IndexKey = Identifier('key')
|
|||
|
|
+ IndexKey.setName('key')
|
|||
|
|
+ Index_clause = Group(IndexKey + Suppress(':') + Optional(Index_term_list))
|
|||
|
|
+ Index_clause.setName('index_clause')
|
|||
|
|
+ Index_list = Index_clause('index')
|
|||
|
|
+ Index_list.setName('index_list')
|
|||
|
|
+ Index_block = Group('indexing' + Group(OneOrMore(Index_list + Suppress(';'))))('indexes')
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class CommentParserTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ print_("verify processing of C and HTML comments")
|
|||
|
|
+ testdata = """
|
|||
|
|
+ /* */
|
|||
|
|
+ /** **/
|
|||
|
|
+ /**/
|
|||
|
|
+ /***/
|
|||
|
|
+ /****/
|
|||
|
|
+ /* /*/
|
|||
|
|
+ /** /*/
|
|||
|
|
+ /*** /*/
|
|||
|
|
+ /*
|
|||
|
|
+ ablsjdflj
|
|||
|
|
+ */
|
|||
|
|
+ """
|
|||
|
|
+ foundLines = [ pp.lineno(s,testdata)
|
|||
|
|
+ for t,s,e in pp.cStyleComment.scanString(testdata) ]
|
|||
|
|
+ self.assertEqual(foundLines, list(range(11))[2:],"only found C comments on lines "+str(foundLines))
|
|||
|
|
+ testdata = """
|
|||
|
|
+ <!-- -->
|
|||
|
|
+ <!--- --->
|
|||
|
|
+ <!---->
|
|||
|
|
+ <!----->
|
|||
|
|
+ <!------>
|
|||
|
|
+ <!-- /-->
|
|||
|
|
+ <!--- /-->
|
|||
|
|
+ <!---- /-->
|
|||
|
|
+ <!---- /- ->
|
|||
|
|
+ <!---- / -- >
|
|||
|
|
+ <!--
|
|||
|
|
+ ablsjdflj
|
|||
|
|
+ -->
|
|||
|
|
+ """
|
|||
|
|
+ foundLines = [ pp.lineno(s,testdata)
|
|||
|
|
+ for t,s,e in pp.htmlComment.scanString(testdata) ]
|
|||
|
|
+ self.assertEqual(foundLines, list(range(11))[2:],"only found HTML comments on lines "+str(foundLines))
|
|||
|
|
+
|
|||
|
|
+ # test C++ single line comments that have line terminated with '\' (should continue comment to following line)
|
|||
|
|
+ testSource = r"""
|
|||
|
|
+ // comment1
|
|||
|
|
+ // comment2 \
|
|||
|
|
+ still comment 2
|
|||
|
|
+ // comment 3
|
|||
|
|
+ """
|
|||
|
|
+ self.assertEqual(len(pp.cppStyleComment.searchString(testSource)[1][0]), 41,
|
|||
|
|
+ r"failed to match single-line comment with '\' at EOL")
|
|||
|
|
+
|
|||
|
|
+class ParseExpressionResultsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word,alphas,OneOrMore,Optional,Group
|
|||
|
|
+
|
|||
|
|
+ a = Word("a",alphas).setName("A")
|
|||
|
|
+ b = Word("b",alphas).setName("B")
|
|||
|
|
+ c = Word("c",alphas).setName("C")
|
|||
|
|
+ ab = (a + b).setName("AB")
|
|||
|
|
+ abc = (ab + c).setName("ABC")
|
|||
|
|
+ word = Word(alphas).setName("word")
|
|||
|
|
+
|
|||
|
|
+ #~ words = OneOrMore(word).setName("words")
|
|||
|
|
+ words = Group(OneOrMore(~a + word)).setName("words")
|
|||
|
|
+
|
|||
|
|
+ #~ phrase = words.setResultsName("Head") + \
|
|||
|
|
+ #~ ( abc ^ ab ^ a ).setResultsName("ABC") + \
|
|||
|
|
+ #~ words.setResultsName("Tail")
|
|||
|
|
+ #~ phrase = words.setResultsName("Head") + \
|
|||
|
|
+ #~ ( abc | ab | a ).setResultsName("ABC") + \
|
|||
|
|
+ #~ words.setResultsName("Tail")
|
|||
|
|
+ phrase = words("Head") + \
|
|||
|
|
+ Group( a + Optional(b + Optional(c)) )("ABC") + \
|
|||
|
|
+ words("Tail")
|
|||
|
|
+
|
|||
|
|
+ results = phrase.parseString("xavier yeti alpha beta charlie will beaver")
|
|||
|
|
+ print_(results,results.Head, results.ABC,results.Tail)
|
|||
|
|
+ for key,ln in [("Head",2), ("ABC",3), ("Tail",2)]:
|
|||
|
|
+ self.assertEqual(len(results[key]), ln,
|
|||
|
|
+ "expected %d elements in %s, found %s" % (ln, key, str(results[key])))
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class ParseKeywordTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Literal,Keyword
|
|||
|
|
+
|
|||
|
|
+ kw = Keyword("if")
|
|||
|
|
+ lit = Literal("if")
|
|||
|
|
+
|
|||
|
|
+ def test(s,litShouldPass,kwShouldPass):
|
|||
|
|
+ print_("Test",s)
|
|||
|
|
+ print_("Match Literal", end=' ')
|
|||
|
|
+ try:
|
|||
|
|
+ print_(lit.parseString(s))
|
|||
|
|
+ except Exception:
|
|||
|
|
+ print_("failed")
|
|||
|
|
+ if litShouldPass:
|
|||
|
|
+ self.assertTrue(False, "Literal failed to match %s, should have" % s)
|
|||
|
|
+ else:
|
|||
|
|
+ if not litShouldPass:
|
|||
|
|
+ self.assertTrue(False, "Literal matched %s, should not have" % s)
|
|||
|
|
+
|
|||
|
|
+ print_("Match Keyword", end=' ')
|
|||
|
|
+ try:
|
|||
|
|
+ print_(kw.parseString(s))
|
|||
|
|
+ except Exception:
|
|||
|
|
+ print_("failed")
|
|||
|
|
+ if kwShouldPass:
|
|||
|
|
+ self.assertTrue(False, "Keyword failed to match %s, should have" % s)
|
|||
|
|
+ else:
|
|||
|
|
+ if not kwShouldPass:
|
|||
|
|
+ self.assertTrue(False, "Keyword matched %s, should not have" % s)
|
|||
|
|
+
|
|||
|
|
+ test("ifOnlyIfOnly", True, False)
|
|||
|
|
+ test("if(OnlyIfOnly)", True, True)
|
|||
|
|
+ test("if (OnlyIf Only)", True, True)
|
|||
|
|
+
|
|||
|
|
+ kw = Keyword("if",caseless=True)
|
|||
|
|
+
|
|||
|
|
+ test("IFOnlyIfOnly", False, False)
|
|||
|
|
+ test("If(OnlyIfOnly)", False, True)
|
|||
|
|
+ test("iF (OnlyIf Only)", False, True)
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class ParseExpressionResultsAccumulateTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word,delimitedList,Combine,alphas,nums
|
|||
|
|
+
|
|||
|
|
+ num=Word(nums).setName("num")("base10*")
|
|||
|
|
+ hexnum=Combine("0x"+ Word(nums)).setName("hexnum")("hex*")
|
|||
|
|
+ name = Word(alphas).setName("word")("word*")
|
|||
|
|
+ list_of_num=delimitedList( hexnum | num | name, "," )
|
|||
|
|
+
|
|||
|
|
+ tokens = list_of_num.parseString('1, 0x2, 3, 0x4, aaa')
|
|||
|
|
+ for k,llen,lst in ( ("base10",2,['1','3']),
|
|||
|
|
+ ("hex",2,['0x2','0x4']),
|
|||
|
|
+ ("word",1,['aaa']) ):
|
|||
|
|
+ print_(k,tokens[k])
|
|||
|
|
+ self.assertEqual(len(tokens[k]), llen, "Wrong length for key %s, %s" % (k,str(tokens[k].asList())))
|
|||
|
|
+ self.assertEqual(lst, tokens[k].asList(),
|
|||
|
|
+ "Incorrect list returned for key %s, %s" % (k,str(tokens[k].asList())))
|
|||
|
|
+ self.assertEqual(tokens.base10.asList(), ['1','3'],
|
|||
|
|
+ "Incorrect list for attribute base10, %s" % str(tokens.base10.asList()))
|
|||
|
|
+ self.assertEqual(tokens.hex.asList(), ['0x2','0x4'],
|
|||
|
|
+ "Incorrect list for attribute hex, %s" % str(tokens.hex.asList()))
|
|||
|
|
+ self.assertEqual(tokens.word.asList(), ['aaa'],
|
|||
|
|
+ "Incorrect list for attribute word, %s" % str(tokens.word.asList()))
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Literal, Word, nums, Group, Dict, alphas, \
|
|||
|
|
+ quotedString, oneOf, delimitedList, removeQuotes, alphanums
|
|||
|
|
+
|
|||
|
|
+ lbrack = Literal("(").suppress()
|
|||
|
|
+ rbrack = Literal(")").suppress()
|
|||
|
|
+ integer = Word( nums ).setName("int")
|
|||
|
|
+ variable = Word( alphas, max=1 ).setName("variable")
|
|||
|
|
+ relation_body_item = variable | integer | quotedString.copy().setParseAction(removeQuotes)
|
|||
|
|
+ relation_name = Word( alphas+"_", alphanums+"_" )
|
|||
|
|
+ relation_body = lbrack + Group(delimitedList(relation_body_item)) + rbrack
|
|||
|
|
+ Goal = Dict(Group( relation_name + relation_body ))
|
|||
|
|
+ Comparison_Predicate = Group(variable + oneOf("< >") + integer)("pred*")
|
|||
|
|
+ Query = Goal("head") + ":-" + delimitedList(Goal | Comparison_Predicate)
|
|||
|
|
+
|
|||
|
|
+ test="""Q(x,y,z):-Bloo(x,"Mitsis",y),Foo(y,z,1243),y>28,x<12,x>3"""
|
|||
|
|
+
|
|||
|
|
+ queryRes = Query.parseString(test)
|
|||
|
|
+ print_("pred",queryRes.pred)
|
|||
|
|
+ self.assertEqual(queryRes.pred.asList(), [['y', '>', '28'], ['x', '<', '12'], ['x', '>', '3']],
|
|||
|
|
+ "Incorrect list for attribute pred, %s" % str(queryRes.pred.asList()))
|
|||
|
|
+ print_(queryRes.dump())
|
|||
|
|
+
|
|||
|
|
+class ReStringRangeTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ testCases = (
|
|||
|
|
+ (r"[A-Z]"),
|
|||
|
|
+ (r"[A-A]"),
|
|||
|
|
+ (r"[A-Za-z]"),
|
|||
|
|
+ (r"[A-z]"),
|
|||
|
|
+ (r"[\ -\~]"),
|
|||
|
|
+ (r"[\0x20-0]"),
|
|||
|
|
+ (r"[\0x21-\0x7E]"),
|
|||
|
|
+ (r"[\0xa1-\0xfe]"),
|
|||
|
|
+ (r"[\040-0]"),
|
|||
|
|
+ (r"[A-Za-z0-9]"),
|
|||
|
|
+ (r"[A-Za-z0-9_]"),
|
|||
|
|
+ (r"[A-Za-z0-9_$]"),
|
|||
|
|
+ (r"[A-Za-z0-9_$\-]"),
|
|||
|
|
+ (r"[^0-9\\]"),
|
|||
|
|
+ (r"[a-zA-Z]"),
|
|||
|
|
+ (r"[/\^~]"),
|
|||
|
|
+ (r"[=\+\-!]"),
|
|||
|
|
+ (r"[A-]"),
|
|||
|
|
+ (r"[-A]"),
|
|||
|
|
+ (r"[\x21]"),
|
|||
|
|
+ #(r"[а-яА-ЯёЁA-Z$_\041α-ω]".decode('utf-8')),
|
|||
|
|
+ (u'[\u0430-\u044f\u0410-\u042f\u0451\u0401ABCDEFGHIJKLMNOPQRSTUVWXYZ$_\041\u03b1-\u03c9]'),
|
|||
|
|
+ )
|
|||
|
|
+ expectedResults = (
|
|||
|
|
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
|
|||
|
|
+ "A",
|
|||
|
|
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
|
|||
|
|
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz",
|
|||
|
|
+ " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~",
|
|||
|
|
+ " !\"#$%&'()*+,-./0",
|
|||
|
|
+ "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~",
|
|||
|
|
+ #~ "¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþ",
|
|||
|
|
+ u'\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe',
|
|||
|
|
+ " !\"#$%&'()*+,-./0",
|
|||
|
|
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
|
|||
|
|
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_",
|
|||
|
|
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_$",
|
|||
|
|
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_$-",
|
|||
|
|
+ "0123456789\\",
|
|||
|
|
+ "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
|
|||
|
|
+ "/^~",
|
|||
|
|
+ "=+-!",
|
|||
|
|
+ "A-",
|
|||
|
|
+ "-A",
|
|||
|
|
+ "!",
|
|||
|
|
+ u"абвгдежзийклмнопрстуфхцчшщъыьэюяАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯёЁABCDEFGHIJKLMNOPQRSTUVWXYZ$_!αβγδεζηθικλμνξοπρςστυφχψω",
|
|||
|
|
+ )
|
|||
|
|
+ for test in zip( testCases, expectedResults ):
|
|||
|
|
+ t,exp = test
|
|||
|
|
+ res = pp.srange(t)
|
|||
|
|
+ #print_(t,"->",res)
|
|||
|
|
+ self.assertEqual(res, exp, "srange error, srange(%r)->'%r', expected '%r'" % (t, res, exp))
|
|||
|
|
+
|
|||
|
|
+class SkipToParserTests(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Literal, SkipTo, cStyleComment, ParseBaseException
|
|||
|
|
+
|
|||
|
|
+ thingToFind = Literal('working')
|
|||
|
|
+ testExpr = SkipTo(Literal(';'), include=True, ignore=cStyleComment) + thingToFind
|
|||
|
|
+
|
|||
|
|
+ def tryToParse (someText, fail_expected=False):
|
|||
|
|
+ try:
|
|||
|
|
+ print_(testExpr.parseString(someText))
|
|||
|
|
+ self.assertFalse(fail_expected, "expected failure but no exception raised")
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ print_("Exception %s while parsing string %s" % (e,repr(someText)))
|
|||
|
|
+ self.assertTrue(fail_expected and isinstance(e,ParseBaseException),
|
|||
|
|
+ "Exception %s while parsing string %s" % (e,repr(someText)))
|
|||
|
|
+
|
|||
|
|
+ # This first test works, as the SkipTo expression is immediately following the ignore expression (cStyleComment)
|
|||
|
|
+ tryToParse('some text /* comment with ; in */; working')
|
|||
|
|
+ # This second test previously failed, as there is text following the ignore expression, and before the SkipTo expression.
|
|||
|
|
+ tryToParse('some text /* comment with ; in */some other stuff; working')
|
|||
|
|
+
|
|||
|
|
+ # tests for optional failOn argument
|
|||
|
|
+ testExpr = SkipTo(Literal(';'), include=True, ignore=cStyleComment, failOn='other') + thingToFind
|
|||
|
|
+ tryToParse('some text /* comment with ; in */; working')
|
|||
|
|
+ tryToParse('some text /* comment with ; in */some other stuff; working', fail_expected=True)
|
|||
|
|
+
|
|||
|
|
+ # test that we correctly create named results
|
|||
|
|
+ text = "prefixDATAsuffix"
|
|||
|
|
+ data = Literal("DATA")
|
|||
|
|
+ suffix = Literal("suffix")
|
|||
|
|
+ expr = SkipTo(data + suffix)('prefix') + data + suffix
|
|||
|
|
+ result = expr.parseString(text)
|
|||
|
|
+ self.assertTrue(isinstance(result.prefix, str), "SkipTo created with wrong saveAsList attribute")
|
|||
|
|
+
|
|||
|
|
+class CustomQuotesTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import QuotedString
|
|||
|
|
+
|
|||
|
|
+ testString = r"""
|
|||
|
|
+ sdlfjs :sdf\:jls::djf: sl:kfsjf
|
|||
|
|
+ sdlfjs -sdf\:jls::--djf: sl-kfsjf
|
|||
|
|
+ sdlfjs -sdf\:::jls::--djf: sl:::-kfsjf
|
|||
|
|
+ sdlfjs ^sdf\:jls^^--djf^ sl-kfsjf
|
|||
|
|
+ sdlfjs ^^^==sdf\:j=lz::--djf: sl=^^=kfsjf
|
|||
|
|
+ sdlfjs ==sdf\:j=ls::--djf: sl==kfsjf^^^
|
|||
|
|
+ """
|
|||
|
|
+ colonQuotes = QuotedString(':','\\','::')
|
|||
|
|
+ dashQuotes = QuotedString('-','\\', '--')
|
|||
|
|
+ hatQuotes = QuotedString('^','\\')
|
|||
|
|
+ hatQuotes1 = QuotedString('^','\\','^^')
|
|||
|
|
+ dblEqQuotes = QuotedString('==','\\')
|
|||
|
|
+
|
|||
|
|
+ def test(quoteExpr, expected):
|
|||
|
|
+ print_(quoteExpr.pattern)
|
|||
|
|
+ print_(quoteExpr.searchString(testString))
|
|||
|
|
+ print_(quoteExpr.searchString(testString)[0][0])
|
|||
|
|
+ print_(expected)
|
|||
|
|
+ self.assertEqual(quoteExpr.searchString(testString)[0][0],
|
|||
|
|
+ expected,
|
|||
|
|
+ "failed to match %s, expected '%s', got '%s'" % (quoteExpr, expected,
|
|||
|
|
+ quoteExpr.searchString(testString)[0]))
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+ test(colonQuotes, r"sdf:jls:djf")
|
|||
|
|
+ test(dashQuotes, r"sdf:jls::-djf: sl")
|
|||
|
|
+ test(hatQuotes, r"sdf:jls")
|
|||
|
|
+ test(hatQuotes1, r"sdf:jls^--djf")
|
|||
|
|
+ test(dblEqQuotes, r"sdf:j=ls::--djf: sl")
|
|||
|
|
+ test(QuotedString(':::'), 'jls::--djf: sl')
|
|||
|
|
+ test(QuotedString('==',endQuoteChar='--'), r'sdf\:j=lz::')
|
|||
|
|
+ test(QuotedString('^^^',multiline=True), r"""==sdf\:j=lz::--djf: sl=^^=kfsjf
|
|||
|
|
+ sdlfjs ==sdf\:j=ls::--djf: sl==kfsjf""")
|
|||
|
|
+ try:
|
|||
|
|
+ bad1 = QuotedString('','\\')
|
|||
|
|
+ except SyntaxError as se:
|
|||
|
|
+ pass
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertTrue(False,"failed to raise SyntaxError with empty quote string")
|
|||
|
|
+
|
|||
|
|
+class RepeaterTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import matchPreviousLiteral,matchPreviousExpr, Word, nums, ParserElement
|
|||
|
|
+
|
|||
|
|
+ if ParserElement._packratEnabled:
|
|||
|
|
+ print_("skipping this test, not compatible with packratting")
|
|||
|
|
+ return
|
|||
|
|
+
|
|||
|
|
+ first = Word("abcdef").setName("word1")
|
|||
|
|
+ bridge = Word(nums).setName("number")
|
|||
|
|
+ second = matchPreviousLiteral(first).setName("repeat(word1Literal)")
|
|||
|
|
+
|
|||
|
|
+ seq = first + bridge + second
|
|||
|
|
+
|
|||
|
|
+ tests = [
|
|||
|
|
+ ( "abc12abc", True ),
|
|||
|
|
+ ( "abc12aabc", False ),
|
|||
|
|
+ ( "abc12cba", True ),
|
|||
|
|
+ ( "abc12bca", True ),
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ for tst,result in tests:
|
|||
|
|
+ found = False
|
|||
|
|
+ for tokens,start,end in seq.scanString(tst):
|
|||
|
|
+ f,b,s = tokens
|
|||
|
|
+ print_(f,b,s)
|
|||
|
|
+ found = True
|
|||
|
|
+ if not found:
|
|||
|
|
+ print_("No literal match in", tst)
|
|||
|
|
+ self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+ # retest using matchPreviousExpr instead of matchPreviousLiteral
|
|||
|
|
+ second = matchPreviousExpr(first).setName("repeat(word1expr)")
|
|||
|
|
+ seq = first + bridge + second
|
|||
|
|
+
|
|||
|
|
+ tests = [
|
|||
|
|
+ ( "abc12abc", True ),
|
|||
|
|
+ ( "abc12cba", False ),
|
|||
|
|
+ ( "abc12abcdef", False ),
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ for tst,result in tests:
|
|||
|
|
+ found = False
|
|||
|
|
+ for tokens,start,end in seq.scanString(tst):
|
|||
|
|
+ print_(tokens.asList())
|
|||
|
|
+ found = True
|
|||
|
|
+ if not found:
|
|||
|
|
+ print_("No expression match in", tst)
|
|||
|
|
+ self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
|
|||
|
|
+
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+ first = Word("abcdef").setName("word1")
|
|||
|
|
+ bridge = Word(nums).setName("number")
|
|||
|
|
+ second = matchPreviousExpr(first).setName("repeat(word1)")
|
|||
|
|
+ seq = first + bridge + second
|
|||
|
|
+ csFirst = seq.setName("word-num-word")
|
|||
|
|
+ csSecond = matchPreviousExpr(csFirst)
|
|||
|
|
+ compoundSeq = csFirst + ":" + csSecond
|
|||
|
|
+ compoundSeq.streamline()
|
|||
|
|
+ print_(compoundSeq)
|
|||
|
|
+
|
|||
|
|
+ tests = [
|
|||
|
|
+ ( "abc12abc:abc12abc", True ),
|
|||
|
|
+ ( "abc12cba:abc12abc", False ),
|
|||
|
|
+ ( "abc12abc:abc12abcdef", False ),
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ #~ for tst,result in tests:
|
|||
|
|
+ #~ print tst,
|
|||
|
|
+ #~ try:
|
|||
|
|
+ #~ compoundSeq.parseString(tst)
|
|||
|
|
+ #~ print "MATCH"
|
|||
|
|
+ #~ assert result, "matched when shouldn't have matched"
|
|||
|
|
+ #~ except ParseException:
|
|||
|
|
+ #~ print "NO MATCH"
|
|||
|
|
+ #~ assert not result, "didnt match but should have"
|
|||
|
|
+
|
|||
|
|
+ #~ for tst,result in tests:
|
|||
|
|
+ #~ print tst,
|
|||
|
|
+ #~ if compoundSeq == tst:
|
|||
|
|
+ #~ print "MATCH"
|
|||
|
|
+ #~ assert result, "matched when shouldn't have matched"
|
|||
|
|
+ #~ else:
|
|||
|
|
+ #~ print "NO MATCH"
|
|||
|
|
+ #~ assert not result, "didnt match but should have"
|
|||
|
|
+
|
|||
|
|
+ for tst,result in tests:
|
|||
|
|
+ found = False
|
|||
|
|
+ for tokens,start,end in compoundSeq.scanString(tst):
|
|||
|
|
+ print_("match:", tokens.asList())
|
|||
|
|
+ found = True
|
|||
|
|
+ break
|
|||
|
|
+ if not found:
|
|||
|
|
+ print_("No expression match in", tst)
|
|||
|
|
+ self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
|
|||
|
|
+
|
|||
|
|
+ print_()
|
|||
|
|
+ eFirst = Word(nums)
|
|||
|
|
+ eSecond = matchPreviousExpr(eFirst)
|
|||
|
|
+ eSeq = eFirst + ":" + eSecond
|
|||
|
|
+
|
|||
|
|
+ tests = [
|
|||
|
|
+ ( "1:1A", True ),
|
|||
|
|
+ ( "1:10", False ),
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ for tst,result in tests:
|
|||
|
|
+ found = False
|
|||
|
|
+ for tokens,start,end in eSeq.scanString(tst):
|
|||
|
|
+ #~ f,b,s = tokens
|
|||
|
|
+ #~ print f,b,s
|
|||
|
|
+ print_(tokens.asList())
|
|||
|
|
+ found = True
|
|||
|
|
+ if not found:
|
|||
|
|
+ print_("No match in", tst)
|
|||
|
|
+ self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
|
|||
|
|
+
|
|||
|
|
+class RecursiveCombineTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Forward,Word,alphas,nums,Optional,Combine
|
|||
|
|
+
|
|||
|
|
+ testInput = "myc(114)r(11)dd"
|
|||
|
|
+ Stream=Forward()
|
|||
|
|
+ Stream << Optional(Word(alphas))+Optional("("+Word(nums)+")"+Stream)
|
|||
|
|
+ expected = Stream.parseString(testInput).asList()
|
|||
|
|
+ print_(["".join(expected)])
|
|||
|
|
+
|
|||
|
|
+ Stream=Forward()
|
|||
|
|
+ Stream << Combine(Optional(Word(alphas))+Optional("("+Word(nums)+")"+Stream))
|
|||
|
|
+ testVal = Stream.parseString(testInput).asList()
|
|||
|
|
+ print_(testVal)
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual("".join(testVal), "".join(expected), "Failed to process Combine with recursive content")
|
|||
|
|
+
|
|||
|
|
+class InfixNotationGrammarTest1(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word,nums,alphas,Literal,oneOf,infixNotation,opAssoc
|
|||
|
|
+ import ast
|
|||
|
|
+
|
|||
|
|
+ integer = Word(nums).setParseAction(lambda t:int(t[0]))
|
|||
|
|
+ variable = Word(alphas,exact=1)
|
|||
|
|
+ operand = integer | variable
|
|||
|
|
+
|
|||
|
|
+ expop = Literal('^')
|
|||
|
|
+ signop = oneOf('+ -')
|
|||
|
|
+ multop = oneOf('* /')
|
|||
|
|
+ plusop = oneOf('+ -')
|
|||
|
|
+ factop = Literal('!')
|
|||
|
|
+
|
|||
|
|
+ expr = infixNotation( operand,
|
|||
|
|
+ [("!", 1, opAssoc.LEFT),
|
|||
|
|
+ ("^", 2, opAssoc.RIGHT),
|
|||
|
|
+ (signop, 1, opAssoc.RIGHT),
|
|||
|
|
+ (multop, 2, opAssoc.LEFT),
|
|||
|
|
+ (plusop, 2, opAssoc.LEFT),]
|
|||
|
|
+ )
|
|||
|
|
+
|
|||
|
|
+ test = ["9 + 2 + 3",
|
|||
|
|
+ "9 + 2 * 3",
|
|||
|
|
+ "(9 + 2) * 3",
|
|||
|
|
+ "(9 + -2) * 3",
|
|||
|
|
+ "(9 + --2) * 3",
|
|||
|
|
+ "(9 + -2) * 3^2^2",
|
|||
|
|
+ "(9! + -2) * 3^2^2",
|
|||
|
|
+ "M*X + B",
|
|||
|
|
+ "M*(X + B)",
|
|||
|
|
+ "1+2*-3^4*5+-+-6",
|
|||
|
|
+ "3!!"]
|
|||
|
|
+ expected = """[[9, '+', 2, '+', 3]]
|
|||
|
|
+ [[9, '+', [2, '*', 3]]]
|
|||
|
|
+ [[[9, '+', 2], '*', 3]]
|
|||
|
|
+ [[[9, '+', ['-', 2]], '*', 3]]
|
|||
|
|
+ [[[9, '+', ['-', ['-', 2]]], '*', 3]]
|
|||
|
|
+ [[[9, '+', ['-', 2]], '*', [3, '^', [2, '^', 2]]]]
|
|||
|
|
+ [[[[9, '!'], '+', ['-', 2]], '*', [3, '^', [2, '^', 2]]]]
|
|||
|
|
+ [[['M', '*', 'X'], '+', 'B']]
|
|||
|
|
+ [['M', '*', ['X', '+', 'B']]]
|
|||
|
|
+ [[1, '+', [2, '*', ['-', [3, '^', 4]], '*', 5], '+', ['-', ['+', ['-', 6]]]]]
|
|||
|
|
+ [[3, '!', '!']]""".split('\n')
|
|||
|
|
+ expected = [ast.literal_eval(x.strip()) for x in expected]
|
|||
|
|
+ for t,e in zip(test,expected):
|
|||
|
|
+ print_(t,"->",e, "got", expr.parseString(t).asList())
|
|||
|
|
+ self.assertEqual(expr.parseString(t).asList(), e,
|
|||
|
|
+ "mismatched results for infixNotation: got %s, expected %s" % (expr.parseString(t).asList(),e))
|
|||
|
|
+
|
|||
|
|
+class InfixNotationGrammarTest2(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import infixNotation, Word, alphas, oneOf, opAssoc
|
|||
|
|
+
|
|||
|
|
+ boolVars = { "True":True, "False":False }
|
|||
|
|
+ class BoolOperand(object):
|
|||
|
|
+ reprsymbol = ''
|
|||
|
|
+ def __init__(self,t):
|
|||
|
|
+ self.args = t[0][0::2]
|
|||
|
|
+ def __str__(self):
|
|||
|
|
+ sep = " %s " % self.reprsymbol
|
|||
|
|
+ return "(" + sep.join(map(str,self.args)) + ")"
|
|||
|
|
+
|
|||
|
|
+ class BoolAnd(BoolOperand):
|
|||
|
|
+ reprsymbol = '&'
|
|||
|
|
+ def __bool__(self):
|
|||
|
|
+ for a in self.args:
|
|||
|
|
+ if isinstance(a,str):
|
|||
|
|
+ v = boolVars[a]
|
|||
|
|
+ else:
|
|||
|
|
+ v = bool(a)
|
|||
|
|
+ if not v:
|
|||
|
|
+ return False
|
|||
|
|
+ return True
|
|||
|
|
+
|
|||
|
|
+ class BoolOr(BoolOperand):
|
|||
|
|
+ reprsymbol = '|'
|
|||
|
|
+ def __bool__(self):
|
|||
|
|
+ for a in self.args:
|
|||
|
|
+ if isinstance(a,str):
|
|||
|
|
+ v = boolVars[a]
|
|||
|
|
+ else:
|
|||
|
|
+ v = bool(a)
|
|||
|
|
+ if v:
|
|||
|
|
+ return True
|
|||
|
|
+ return False
|
|||
|
|
+
|
|||
|
|
+ class BoolNot(BoolOperand):
|
|||
|
|
+ def __init__(self,t):
|
|||
|
|
+ self.arg = t[0][1]
|
|||
|
|
+ def __str__(self):
|
|||
|
|
+ return "~" + str(self.arg)
|
|||
|
|
+ def __bool__(self):
|
|||
|
|
+ if isinstance(self.arg,str):
|
|||
|
|
+ v = boolVars[self.arg]
|
|||
|
|
+ else:
|
|||
|
|
+ v = bool(self.arg)
|
|||
|
|
+ return not v
|
|||
|
|
+
|
|||
|
|
+ boolOperand = Word(alphas,max=1) | oneOf("True False")
|
|||
|
|
+ boolExpr = infixNotation( boolOperand,
|
|||
|
|
+ [
|
|||
|
|
+ ("not", 1, opAssoc.RIGHT, BoolNot),
|
|||
|
|
+ ("and", 2, opAssoc.LEFT, BoolAnd),
|
|||
|
|
+ ("or", 2, opAssoc.LEFT, BoolOr),
|
|||
|
|
+ ])
|
|||
|
|
+ test = ["p and not q",
|
|||
|
|
+ "not not p",
|
|||
|
|
+ "not(p and q)",
|
|||
|
|
+ "q or not p and r",
|
|||
|
|
+ "q or not p or not r",
|
|||
|
|
+ "q or not (p and r)",
|
|||
|
|
+ "p or q or r",
|
|||
|
|
+ "p or q or r and False",
|
|||
|
|
+ "(p or q or r) and False",
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ boolVars["p"] = True
|
|||
|
|
+ boolVars["q"] = False
|
|||
|
|
+ boolVars["r"] = True
|
|||
|
|
+ print_("p =", boolVars["p"])
|
|||
|
|
+ print_("q =", boolVars["q"])
|
|||
|
|
+ print_("r =", boolVars["r"])
|
|||
|
|
+ print_()
|
|||
|
|
+ for t in test:
|
|||
|
|
+ res = boolExpr.parseString(t)[0]
|
|||
|
|
+ print_(t,'\n', res, '=', bool(res),'\n')
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class InfixNotationGrammarTest3(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import infixNotation, Word, alphas, oneOf, opAssoc, nums, Literal
|
|||
|
|
+
|
|||
|
|
+ global count
|
|||
|
|
+ count = 0
|
|||
|
|
+
|
|||
|
|
+ def evaluate_int(t):
|
|||
|
|
+ global count
|
|||
|
|
+ value = int(t[0])
|
|||
|
|
+ print_("evaluate_int", value)
|
|||
|
|
+ count += 1
|
|||
|
|
+ return value
|
|||
|
|
+
|
|||
|
|
+ integer = Word(nums).setParseAction(evaluate_int)
|
|||
|
|
+ variable = Word(alphas,exact=1)
|
|||
|
|
+ operand = integer | variable
|
|||
|
|
+
|
|||
|
|
+ expop = Literal('^')
|
|||
|
|
+ signop = oneOf('+ -')
|
|||
|
|
+ multop = oneOf('* /')
|
|||
|
|
+ plusop = oneOf('+ -')
|
|||
|
|
+ factop = Literal('!')
|
|||
|
|
+
|
|||
|
|
+ expr = infixNotation( operand,
|
|||
|
|
+ [
|
|||
|
|
+ ("!", 1, opAssoc.LEFT),
|
|||
|
|
+ ("^", 2, opAssoc.LEFT),
|
|||
|
|
+ (signop, 1, opAssoc.RIGHT),
|
|||
|
|
+ (multop, 2, opAssoc.LEFT),
|
|||
|
|
+ (plusop, 2, opAssoc.LEFT),
|
|||
|
|
+ ])
|
|||
|
|
+
|
|||
|
|
+ test = ["9"]
|
|||
|
|
+ for t in test:
|
|||
|
|
+ count = 0
|
|||
|
|
+ print_("%r => %s (count=%d)" % (t, expr.parseString(t), count))
|
|||
|
|
+ self.assertEqual(count, 1, "count evaluated too many times!")
|
|||
|
|
+
|
|||
|
|
+class InfixNotationGrammarTest4(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ word = pp.Word(pp.alphas)
|
|||
|
|
+
|
|||
|
|
+ def supLiteral(s):
|
|||
|
|
+ """Returns the suppressed literal s"""
|
|||
|
|
+ return pp.Literal(s).suppress()
|
|||
|
|
+
|
|||
|
|
+ def booleanExpr(atom):
|
|||
|
|
+ ops = [
|
|||
|
|
+ (supLiteral("!"), 1, pp.opAssoc.RIGHT, lambda s, l, t: ["!", t[0][0]]),
|
|||
|
|
+ (pp.oneOf("= !="), 2, pp.opAssoc.LEFT, ),
|
|||
|
|
+ (supLiteral("&"), 2, pp.opAssoc.LEFT, lambda s, l, t: ["&", t[0]]),
|
|||
|
|
+ (supLiteral("|"), 2, pp.opAssoc.LEFT, lambda s, l, t: ["|", t[0]])]
|
|||
|
|
+ return pp.infixNotation(atom, ops)
|
|||
|
|
+
|
|||
|
|
+ f = booleanExpr(word) + pp.StringEnd()
|
|||
|
|
+
|
|||
|
|
+ tests = [
|
|||
|
|
+ ("bar = foo", "[['bar', '=', 'foo']]"),
|
|||
|
|
+ ("bar = foo & baz = fee", "['&', [['bar', '=', 'foo'], ['baz', '=', 'fee']]]"),
|
|||
|
|
+ ]
|
|||
|
|
+ for test,expected in tests:
|
|||
|
|
+ print_(test)
|
|||
|
|
+ results = f.parseString(test)
|
|||
|
|
+ print_(results)
|
|||
|
|
+ self.assertEqual(str(results), expected, "failed to match expected results, got '%s'" % str(results))
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+class InfixNotationGrammarTest5(ParseTestCase):
|
|||
|
|
+
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import infixNotation, opAssoc, pyparsing_common, Literal, oneOf
|
|||
|
|
+
|
|||
|
|
+ expop = Literal('**')
|
|||
|
|
+ signop = oneOf('+ -')
|
|||
|
|
+ multop = oneOf('* /')
|
|||
|
|
+ plusop = oneOf('+ -')
|
|||
|
|
+
|
|||
|
|
+ class ExprNode(object):
|
|||
|
|
+ def __init__(self, tokens):
|
|||
|
|
+ self.tokens = tokens[0]
|
|||
|
|
+
|
|||
|
|
+ def eval(self):
|
|||
|
|
+ return None
|
|||
|
|
+
|
|||
|
|
+ class NumberNode(ExprNode):
|
|||
|
|
+ def eval(self):
|
|||
|
|
+ return self.tokens
|
|||
|
|
+
|
|||
|
|
+ class SignOp(ExprNode):
|
|||
|
|
+ def eval(self):
|
|||
|
|
+ mult = {'+': 1, '-': -1}[self.tokens[0]]
|
|||
|
|
+ return mult * self.tokens[1].eval()
|
|||
|
|
+
|
|||
|
|
+ class BinOp(ExprNode):
|
|||
|
|
+ def eval(self):
|
|||
|
|
+ ret = self.tokens[0].eval()
|
|||
|
|
+ for op, operand in zip(self.tokens[1::2], self.tokens[2::2]):
|
|||
|
|
+ ret = self.opn_map[op](ret, operand.eval())
|
|||
|
|
+ return ret
|
|||
|
|
+
|
|||
|
|
+ class ExpOp(BinOp):
|
|||
|
|
+ opn_map = {'**': lambda a, b: b ** a}
|
|||
|
|
+
|
|||
|
|
+ class MultOp(BinOp):
|
|||
|
|
+ import operator
|
|||
|
|
+ opn_map = {'*': operator.mul, '/': operator.truediv}
|
|||
|
|
+
|
|||
|
|
+ class AddOp(BinOp):
|
|||
|
|
+ import operator
|
|||
|
|
+ opn_map = {'+': operator.add, '-': operator.sub}
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import pyparsing_common, infixNotation
|
|||
|
|
+
|
|||
|
|
+ operand = pyparsing_common.number().setParseAction(NumberNode)
|
|||
|
|
+ expr = infixNotation(operand,
|
|||
|
|
+ [
|
|||
|
|
+ (expop, 2, opAssoc.LEFT, (lambda pr: [pr[0][::-1]], ExpOp)),
|
|||
|
|
+ (signop, 1, opAssoc.RIGHT, SignOp),
|
|||
|
|
+ (multop, 2, opAssoc.LEFT, MultOp),
|
|||
|
|
+ (plusop, 2, opAssoc.LEFT, AddOp),
|
|||
|
|
+ ])
|
|||
|
|
+
|
|||
|
|
+ tests = """\
|
|||
|
|
+ 2+7
|
|||
|
|
+ 2**3
|
|||
|
|
+ 2**3**2
|
|||
|
|
+ 3**9
|
|||
|
|
+ 3**3**2
|
|||
|
|
+ """
|
|||
|
|
+
|
|||
|
|
+ for t in tests.splitlines():
|
|||
|
|
+ t = t.strip()
|
|||
|
|
+ if not t:
|
|||
|
|
+ continue
|
|||
|
|
+
|
|||
|
|
+ parsed = expr.parseString(t)
|
|||
|
|
+ eval_value = parsed[0].eval()
|
|||
|
|
+ self.assertEqual(eval_value, eval(t),
|
|||
|
|
+ "Error evaluating %r, expected %r, got %r" % (t, eval(t), eval_value))
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class PickleTest_Greeting():
|
|||
|
|
+ def __init__(self, toks):
|
|||
|
|
+ self.salutation = toks[0]
|
|||
|
|
+ self.greetee = toks[1]
|
|||
|
|
+
|
|||
|
|
+ def __repr__(self):
|
|||
|
|
+ return "%s: {%s}" % (self.__class__.__name__,
|
|||
|
|
+ ', '.join('%r: %r' % (k, getattr(self,k)) for k in sorted(self.__dict__)))
|
|||
|
|
+
|
|||
|
|
+class ParseResultsPickleTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import makeHTMLTags, ParseResults
|
|||
|
|
+ import pickle
|
|||
|
|
+
|
|||
|
|
+ # test 1
|
|||
|
|
+ body = makeHTMLTags("BODY")[0]
|
|||
|
|
+ result = body.parseString("<BODY BGCOLOR='#00FFBB' FGCOLOR=black>")
|
|||
|
|
+ if VERBOSE:
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+ for protocol in range(pickle.HIGHEST_PROTOCOL+1):
|
|||
|
|
+ print_("Test pickle dump protocol", protocol)
|
|||
|
|
+ try:
|
|||
|
|
+ pickleString = pickle.dumps(result, protocol)
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ print_("dumps exception:", e)
|
|||
|
|
+ newresult = ParseResults()
|
|||
|
|
+ else:
|
|||
|
|
+ newresult = pickle.loads(pickleString)
|
|||
|
|
+ if VERBOSE:
|
|||
|
|
+ print_(newresult.dump())
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(result.dump(), newresult.dump(),
|
|||
|
|
+ "Error pickling ParseResults object (protocol=%d)" % protocol)
|
|||
|
|
+
|
|||
|
|
+ # test 2
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ word = pp.Word(pp.alphas+"'.")
|
|||
|
|
+ salutation = pp.OneOrMore(word)
|
|||
|
|
+ comma = pp.Literal(",")
|
|||
|
|
+ greetee = pp.OneOrMore(word)
|
|||
|
|
+ endpunc = pp.oneOf("! ?")
|
|||
|
|
+ greeting = salutation + pp.Suppress(comma) + greetee + pp.Suppress(endpunc)
|
|||
|
|
+ greeting.setParseAction(PickleTest_Greeting)
|
|||
|
|
+
|
|||
|
|
+ string = 'Good morning, Miss Crabtree!'
|
|||
|
|
+
|
|||
|
|
+ result = greeting.parseString(string)
|
|||
|
|
+
|
|||
|
|
+ for protocol in range(pickle.HIGHEST_PROTOCOL+1):
|
|||
|
|
+ print_("Test pickle dump protocol", protocol)
|
|||
|
|
+ try:
|
|||
|
|
+ pickleString = pickle.dumps(result, protocol)
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ print_("dumps exception:", e)
|
|||
|
|
+ newresult = ParseResults()
|
|||
|
|
+ else:
|
|||
|
|
+ newresult = pickle.loads(pickleString)
|
|||
|
|
+ print_(newresult.dump())
|
|||
|
|
+ self.assertEqual(newresult.dump(), result.dump(),
|
|||
|
|
+ "failed to pickle/unpickle ParseResults: expected %r, got %r" % (result, newresult))
|
|||
|
|
+
|
|||
|
|
+class ParseResultsWithNamedTupleTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Literal,replaceWith
|
|||
|
|
+
|
|||
|
|
+ expr = Literal("A")("Achar")
|
|||
|
|
+ expr.setParseAction(replaceWith(tuple(["A","Z"])))
|
|||
|
|
+
|
|||
|
|
+ res = expr.parseString("A")
|
|||
|
|
+ print_(repr(res))
|
|||
|
|
+ print_(res.Achar)
|
|||
|
|
+ self.assertEqual(res.Achar, ("A","Z"),
|
|||
|
|
+ "Failed accessing named results containing a tuple, got {!r}".format(res.Achar))
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class ParseHTMLTagsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ test = """
|
|||
|
|
+ <BODY>
|
|||
|
|
+ <BODY BGCOLOR="#00FFCC">
|
|||
|
|
+ <BODY BGCOLOR="#00FFAA"/>
|
|||
|
|
+ <BODY BGCOLOR='#00FFBB' FGCOLOR=black>
|
|||
|
|
+ <BODY/>
|
|||
|
|
+ </BODY>
|
|||
|
|
+ """
|
|||
|
|
+ results = [
|
|||
|
|
+ ("startBody", False, "", ""),
|
|||
|
|
+ ("startBody", False, "#00FFCC", ""),
|
|||
|
|
+ ("startBody", True, "#00FFAA", ""),
|
|||
|
|
+ ("startBody", False, "#00FFBB", "black"),
|
|||
|
|
+ ("startBody", True, "", ""),
|
|||
|
|
+ ("endBody", False, "", ""),
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ bodyStart, bodyEnd = pp.makeHTMLTags("BODY")
|
|||
|
|
+ resIter = iter(results)
|
|||
|
|
+ for t,s,e in (bodyStart | bodyEnd).scanString( test ):
|
|||
|
|
+ print_(test[s:e], "->", t.asList())
|
|||
|
|
+ (expectedType, expectedEmpty, expectedBG, expectedFG) = next(resIter)
|
|||
|
|
+
|
|||
|
|
+ tType = t.getName()
|
|||
|
|
+ #~ print tType,"==",expectedType,"?"
|
|||
|
|
+ self.assertTrue(tType in "startBody endBody".split(), "parsed token of unknown type '%s'" % tType)
|
|||
|
|
+ self.assertEqual(tType, expectedType, "expected token of type %s, got %s" % (expectedType, tType))
|
|||
|
|
+ if tType == "startBody":
|
|||
|
|
+ self.assertEqual(bool(t.empty), expectedEmpty,
|
|||
|
|
+ "expected %s token, got %s" % (expectedEmpty and "empty" or "not empty",
|
|||
|
|
+ t.empty and "empty" or "not empty"))
|
|||
|
|
+ self.assertEqual(t.bgcolor, expectedBG,
|
|||
|
|
+ "failed to match BGCOLOR, expected %s, got %s" % (expectedBG, t.bgcolor))
|
|||
|
|
+ self.assertEqual(t.fgcolor, expectedFG,
|
|||
|
|
+ "failed to match FGCOLOR, expected %s, got %s" % (expectedFG, t.bgcolor))
|
|||
|
|
+ elif tType == "endBody":
|
|||
|
|
+ #~ print "end tag"
|
|||
|
|
+ pass
|
|||
|
|
+ else:
|
|||
|
|
+ print_("BAD!!!")
|
|||
|
|
+
|
|||
|
|
+class UpcaseDowncaseUnicode(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+ import sys
|
|||
|
|
+ if PY_3:
|
|||
|
|
+ unichr = chr
|
|||
|
|
+ else:
|
|||
|
|
+ from __builtin__ import unichr
|
|||
|
|
+
|
|||
|
|
+ a = u'\u00bfC\u00f3mo esta usted?'
|
|||
|
|
+ if not JYTHON_ENV:
|
|||
|
|
+ ualphas = pp.pyparsing_unicode.alphas
|
|||
|
|
+ else:
|
|||
|
|
+ ualphas = "".join( unichr(i) for i in list(range(0xd800)) + list(range(0xe000,sys.maxunicode))
|
|||
|
|
+ if unichr(i).isalpha() )
|
|||
|
|
+ uword = pp.Word(ualphas).setParseAction(pp.upcaseTokens)
|
|||
|
|
+
|
|||
|
|
+ print_ = lambda *args: None
|
|||
|
|
+ print_(uword.searchString(a))
|
|||
|
|
+
|
|||
|
|
+ uword = pp.Word(ualphas).setParseAction(pp.downcaseTokens)
|
|||
|
|
+
|
|||
|
|
+ print_(uword.searchString(a))
|
|||
|
|
+
|
|||
|
|
+ kw = pp.Keyword('mykey', caseless=True).setParseAction(pp.upcaseTokens)('rname')
|
|||
|
|
+ ret = kw.parseString('mykey')
|
|||
|
|
+ print_(ret.rname)
|
|||
|
|
+ self.assertEqual(ret.rname, 'MYKEY', "failed to upcase with named result")
|
|||
|
|
+
|
|||
|
|
+ kw = pp.Keyword('mykey', caseless=True).setParseAction(pp.pyparsing_common.upcaseTokens)('rname')
|
|||
|
|
+ ret = kw.parseString('mykey')
|
|||
|
|
+ print_(ret.rname)
|
|||
|
|
+ self.assertEqual(ret.rname, 'MYKEY', "failed to upcase with named result (pyparsing_common)")
|
|||
|
|
+
|
|||
|
|
+ kw = pp.Keyword('MYKEY', caseless=True).setParseAction(pp.pyparsing_common.downcaseTokens)('rname')
|
|||
|
|
+ ret = kw.parseString('mykey')
|
|||
|
|
+ print_(ret.rname)
|
|||
|
|
+ self.assertEqual(ret.rname, 'mykey', "failed to upcase with named result")
|
|||
|
|
+
|
|||
|
|
+ if not IRON_PYTHON_ENV:
|
|||
|
|
+ #test html data
|
|||
|
|
+ html = u"<TR class=maintxt bgColor=#ffffff> \
|
|||
|
|
+ <TD vAlign=top>Производитель, модель</TD> \
|
|||
|
|
+ <TD vAlign=top><STRONG>BenQ-Siemens CF61</STRONG></TD> \
|
|||
|
|
+ "#.decode('utf-8')
|
|||
|
|
+
|
|||
|
|
+ # u'Manufacturer, model
|
|||
|
|
+ text_manuf = u'Производитель, модель'
|
|||
|
|
+ manufacturer = pp.Literal(text_manuf)
|
|||
|
|
+
|
|||
|
|
+ td_start, td_end = pp.makeHTMLTags("td")
|
|||
|
|
+ manuf_body = td_start.suppress() + manufacturer + pp.SkipTo(td_end)("cells*") + td_end.suppress()
|
|||
|
|
+
|
|||
|
|
+ #~ manuf_body.setDebug()
|
|||
|
|
+
|
|||
|
|
+ #~ for tokens in manuf_body.scanString(html):
|
|||
|
|
+ #~ print_(tokens)
|
|||
|
|
+
|
|||
|
|
+class ParseUsingRegex(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ import re
|
|||
|
|
+
|
|||
|
|
+ signedInt = pp.Regex(r'[-+][0-9]+')
|
|||
|
|
+ unsignedInt = pp.Regex(r'[0-9]+')
|
|||
|
|
+ simpleString = pp.Regex(r'("[^\"]*")|(\'[^\']*\')')
|
|||
|
|
+ namedGrouping = pp.Regex(r'("(?P<content>[^\"]*)")')
|
|||
|
|
+ compiledRE = pp.Regex(re.compile(r'[A-Z]+'))
|
|||
|
|
+
|
|||
|
|
+ def testMatch (expression, instring, shouldPass, expectedString=None):
|
|||
|
|
+ if shouldPass:
|
|||
|
|
+ try:
|
|||
|
|
+ result = expression.parseString(instring)
|
|||
|
|
+ print_('%s correctly matched %s' % (repr(expression), repr(instring)))
|
|||
|
|
+ if expectedString != result[0]:
|
|||
|
|
+ print_('\tbut failed to match the pattern as expected:')
|
|||
|
|
+ print_('\tproduced %s instead of %s' % \
|
|||
|
|
+ (repr(result[0]), repr(expectedString)))
|
|||
|
|
+ return True
|
|||
|
|
+ except pp.ParseException:
|
|||
|
|
+ print_('%s incorrectly failed to match %s' % \
|
|||
|
|
+ (repr(expression), repr(instring)))
|
|||
|
|
+ else:
|
|||
|
|
+ try:
|
|||
|
|
+ result = expression.parseString(instring)
|
|||
|
|
+ print_('%s incorrectly matched %s' % (repr(expression), repr(instring)))
|
|||
|
|
+ print_('\tproduced %s as a result' % repr(result[0]))
|
|||
|
|
+ except pp.ParseException:
|
|||
|
|
+ print_('%s correctly failed to match %s' % \
|
|||
|
|
+ (repr(expression), repr(instring)))
|
|||
|
|
+ return True
|
|||
|
|
+ return False
|
|||
|
|
+
|
|||
|
|
+ # These should fail
|
|||
|
|
+ self.assertTrue(testMatch(signedInt, '1234 foo', False), "Re: (1) passed, expected fail")
|
|||
|
|
+ self.assertTrue(testMatch(signedInt, ' +foo', False), "Re: (2) passed, expected fail")
|
|||
|
|
+ self.assertTrue(testMatch(unsignedInt, 'abc', False), "Re: (3) passed, expected fail")
|
|||
|
|
+ self.assertTrue(testMatch(unsignedInt, '+123 foo', False), "Re: (4) passed, expected fail")
|
|||
|
|
+ self.assertTrue(testMatch(simpleString, 'foo', False), "Re: (5) passed, expected fail")
|
|||
|
|
+ self.assertTrue(testMatch(simpleString, '"foo bar\'', False), "Re: (6) passed, expected fail")
|
|||
|
|
+ self.assertTrue(testMatch(simpleString, '\'foo bar"', False), "Re: (7) passed, expected fail")
|
|||
|
|
+
|
|||
|
|
+ # These should pass
|
|||
|
|
+ self.assertTrue(testMatch(signedInt, ' +123', True, '+123'), "Re: (8) failed, expected pass")
|
|||
|
|
+ self.assertTrue(testMatch(signedInt, '+123', True, '+123'), "Re: (9) failed, expected pass")
|
|||
|
|
+ self.assertTrue(testMatch(signedInt, '+123 foo', True, '+123'), "Re: (10) failed, expected pass")
|
|||
|
|
+ self.assertTrue(testMatch(signedInt, '-0 foo', True, '-0'), "Re: (11) failed, expected pass")
|
|||
|
|
+ self.assertTrue(testMatch(unsignedInt, '123 foo', True, '123'), "Re: (12) failed, expected pass")
|
|||
|
|
+ self.assertTrue(testMatch(unsignedInt, '0 foo', True, '0'), "Re: (13) failed, expected pass")
|
|||
|
|
+ self.assertTrue(testMatch(simpleString, '"foo"', True, '"foo"'), "Re: (14) failed, expected pass")
|
|||
|
|
+ self.assertTrue(testMatch(simpleString, "'foo bar' baz", True, "'foo bar'"), "Re: (15) failed, expected pass")
|
|||
|
|
+
|
|||
|
|
+ self.assertTrue(testMatch(compiledRE, 'blah', False), "Re: (16) passed, expected fail")
|
|||
|
|
+ self.assertTrue(testMatch(compiledRE, 'BLAH', True, 'BLAH'), "Re: (17) failed, expected pass")
|
|||
|
|
+
|
|||
|
|
+ self.assertTrue(testMatch(namedGrouping, '"foo bar" baz', True, '"foo bar"'), "Re: (16) failed, expected pass")
|
|||
|
|
+ ret = namedGrouping.parseString('"zork" blah')
|
|||
|
|
+ print_(ret.asList())
|
|||
|
|
+ print_(list(ret.items()))
|
|||
|
|
+ print_(ret.content)
|
|||
|
|
+ self.assertEqual(ret.content, 'zork', "named group lookup failed")
|
|||
|
|
+ self.assertEqual(ret[0], simpleString.parseString('"zork" blah')[0],
|
|||
|
|
+ "Regex not properly returning ParseResults for named vs. unnamed groups")
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ #~ print "lets try an invalid RE"
|
|||
|
|
+ invRe = pp.Regex('("[^\"]*")|(\'[^\']*\'')
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ print_("successfully rejected an invalid RE:", end=' ')
|
|||
|
|
+ print_(e)
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertTrue(False, "failed to reject invalid RE")
|
|||
|
|
+
|
|||
|
|
+ invRe = pp.Regex('')
|
|||
|
|
+
|
|||
|
|
+class RegexAsTypeTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ test_str = "sldkjfj 123 456 lsdfkj"
|
|||
|
|
+
|
|||
|
|
+ print_("return as list of match groups")
|
|||
|
|
+ expr = pp.Regex(r"\w+ (\d+) (\d+) (\w+)", asGroupList=True)
|
|||
|
|
+ expected_group_list = [tuple(test_str.split()[1:])]
|
|||
|
|
+ result = expr.parseString(test_str)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ print_(expected_group_list)
|
|||
|
|
+ self.assertEqual(result.asList(), expected_group_list, "incorrect group list returned by Regex)")
|
|||
|
|
+
|
|||
|
|
+ print_("return as re.match instance")
|
|||
|
|
+ expr = pp.Regex(r"\w+ (?P<num1>\d+) (?P<num2>\d+) (?P<last_word>\w+)", asMatch=True)
|
|||
|
|
+ result = expr.parseString(test_str)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ print_(result[0].groups())
|
|||
|
|
+ print_(expected_group_list)
|
|||
|
|
+ self.assertEqual(result[0].groupdict(), {'num1': '123', 'num2': '456', 'last_word': 'lsdfkj'},
|
|||
|
|
+ 'invalid group dict from Regex(asMatch=True)')
|
|||
|
|
+ self.assertEqual(result[0].groups(), expected_group_list[0],
|
|||
|
|
+ "incorrect group list returned by Regex(asMatch)")
|
|||
|
|
+
|
|||
|
|
+class RegexSubTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ print_("test sub with string")
|
|||
|
|
+ expr = pp.Regex(r"<title>").sub("'Richard III'")
|
|||
|
|
+ result = expr.transformString("This is the title: <title>")
|
|||
|
|
+ print_(result)
|
|||
|
|
+ self.assertEqual(result, "This is the title: 'Richard III'", "incorrect Regex.sub result with simple string")
|
|||
|
|
+
|
|||
|
|
+ print_("test sub with re string")
|
|||
|
|
+ expr = pp.Regex(r"([Hh]\d):\s*(.*)").sub(r"<\1>\2</\1>")
|
|||
|
|
+ result = expr.transformString("h1: This is the main heading\nh2: This is the sub-heading")
|
|||
|
|
+ print_(result)
|
|||
|
|
+ self.assertEqual(result, '<h1>This is the main heading</h1>\n<h2>This is the sub-heading</h2>',
|
|||
|
|
+ "incorrect Regex.sub result with re string")
|
|||
|
|
+
|
|||
|
|
+ print_("test sub with re string (Regex returns re.match)")
|
|||
|
|
+ expr = pp.Regex(r"([Hh]\d):\s*(.*)", asMatch=True).sub(r"<\1>\2</\1>")
|
|||
|
|
+ result = expr.transformString("h1: This is the main heading\nh2: This is the sub-heading")
|
|||
|
|
+ print_(result)
|
|||
|
|
+ self.assertEqual(result, '<h1>This is the main heading</h1>\n<h2>This is the sub-heading</h2>',
|
|||
|
|
+ "incorrect Regex.sub result with re string")
|
|||
|
|
+
|
|||
|
|
+ print_("test sub with callable that return str")
|
|||
|
|
+ expr = pp.Regex(r"<(.*?)>").sub(lambda m: m.group(1).upper())
|
|||
|
|
+ result = expr.transformString("I want this in upcase: <what? what?>")
|
|||
|
|
+ print_(result)
|
|||
|
|
+ self.assertEqual(result, 'I want this in upcase: WHAT? WHAT?', "incorrect Regex.sub result with callable")
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ expr = pp.Regex(r"<(.*?)>", asMatch=True).sub(lambda m: m.group(1).upper())
|
|||
|
|
+ except SyntaxError:
|
|||
|
|
+ pass
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertTrue(False, "failed to warn using a Regex.sub(callable) with asMatch=True")
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ expr = pp.Regex(r"<(.*?)>", asGroupList=True).sub(lambda m: m.group(1).upper())
|
|||
|
|
+ except SyntaxError:
|
|||
|
|
+ pass
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertTrue(False, "failed to warn using a Regex.sub() with asGroupList=True")
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ expr = pp.Regex(r"<(.*?)>", asGroupList=True).sub("")
|
|||
|
|
+ except SyntaxError:
|
|||
|
|
+ pass
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertTrue(False, "failed to warn using a Regex.sub() with asGroupList=True")
|
|||
|
|
+
|
|||
|
|
+class PrecededByTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ num = pp.Word(pp.nums).setParseAction(lambda t: int(t[0]))
|
|||
|
|
+ interesting_num = pp.PrecededBy(pp.Char("abc")("prefix*")) + num
|
|||
|
|
+ semi_interesting_num = pp.PrecededBy('_') + num
|
|||
|
|
+ crazy_num = pp.PrecededBy(pp.Word("^", "$%^")("prefix*"), 10) + num
|
|||
|
|
+ boring_num = ~pp.PrecededBy(pp.Char("abc_$%^" + pp.nums)) + num
|
|||
|
|
+ very_boring_num = pp.PrecededBy(pp.WordStart()) + num
|
|||
|
|
+ finicky_num = pp.PrecededBy(pp.Word("^", "$%^"), retreat=3) + num
|
|||
|
|
+
|
|||
|
|
+ s = "c384 b8324 _9293874 _293 404 $%^$^%$2939"
|
|||
|
|
+ print_(s)
|
|||
|
|
+ for expr, expected_list, expected_dict in [
|
|||
|
|
+ (interesting_num, [384, 8324], {'prefix': ['c', 'b']}),
|
|||
|
|
+ (semi_interesting_num, [9293874, 293], {}),
|
|||
|
|
+ (boring_num, [404], {}),
|
|||
|
|
+ (crazy_num, [2939], {'prefix': ['^%$']}),
|
|||
|
|
+ (finicky_num, [2939], {}),
|
|||
|
|
+ (very_boring_num, [404], {}),
|
|||
|
|
+ ]:
|
|||
|
|
+ print_(expr.searchString(s))
|
|||
|
|
+ result = sum(expr.searchString(s))
|
|||
|
|
+ print_(result)
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(result.asList(), expected_list,
|
|||
|
|
+ "Erroneous tokens for {}: expected {}, got {}".format(expr,
|
|||
|
|
+ expected_list,
|
|||
|
|
+ result.asList()))
|
|||
|
|
+ self.assertEqual(result.asDict(), expected_dict,
|
|||
|
|
+ "Erroneous named results for {}: expected {}, got {}".format(expr,
|
|||
|
|
+ expected_dict,
|
|||
|
|
+ result.asDict()))
|
|||
|
|
+
|
|||
|
|
+class CountedArrayTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word,nums,OneOrMore,countedArray
|
|||
|
|
+
|
|||
|
|
+ testString = "2 5 7 6 0 1 2 3 4 5 0 3 5 4 3"
|
|||
|
|
+
|
|||
|
|
+ integer = Word(nums).setParseAction(lambda t: int(t[0]))
|
|||
|
|
+ countedField = countedArray(integer)
|
|||
|
|
+
|
|||
|
|
+ r = OneOrMore(countedField).parseString( testString )
|
|||
|
|
+ print_(testString)
|
|||
|
|
+ print_(r.asList())
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(r.asList(), [[5,7],[0,1,2,3,4,5],[],[5,4,3]],
|
|||
|
|
+ "Failed matching countedArray, got " + str(r.asList()))
|
|||
|
|
+
|
|||
|
|
+class CountedArrayTest2(ParseTestCase):
|
|||
|
|
+ # addresses bug raised by Ralf Vosseler
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word,nums,OneOrMore,countedArray
|
|||
|
|
+
|
|||
|
|
+ testString = "2 5 7 6 0 1 2 3 4 5 0 3 5 4 3"
|
|||
|
|
+
|
|||
|
|
+ integer = Word(nums).setParseAction(lambda t: int(t[0]))
|
|||
|
|
+ countedField = countedArray(integer)
|
|||
|
|
+
|
|||
|
|
+ dummy = Word("A")
|
|||
|
|
+ r = OneOrMore(dummy ^ countedField).parseString( testString )
|
|||
|
|
+ print_(testString)
|
|||
|
|
+ print_(r.asList())
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(r.asList(), [[5,7],[0,1,2,3,4,5],[],[5,4,3]],
|
|||
|
|
+ "Failed matching countedArray, got " + str(r.asList()))
|
|||
|
|
+
|
|||
|
|
+class CountedArrayTest3(ParseTestCase):
|
|||
|
|
+ # test case where counter is not a decimal integer
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word,nums,OneOrMore,countedArray,alphas
|
|||
|
|
+ int_chars = "_"+alphas
|
|||
|
|
+ array_counter = Word(int_chars).setParseAction(lambda t: int_chars.index(t[0]))
|
|||
|
|
+
|
|||
|
|
+ # 123456789012345678901234567890
|
|||
|
|
+ testString = "B 5 7 F 0 1 2 3 4 5 _ C 5 4 3"
|
|||
|
|
+
|
|||
|
|
+ integer = Word(nums).setParseAction(lambda t: int(t[0]))
|
|||
|
|
+ countedField = countedArray(integer, intExpr=array_counter)
|
|||
|
|
+
|
|||
|
|
+ r = OneOrMore(countedField).parseString( testString )
|
|||
|
|
+ print_(testString)
|
|||
|
|
+ print_(r.asList())
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(r.asList(), [[5,7],[0,1,2,3,4,5],[],[5,4,3]],
|
|||
|
|
+ "Failed matching countedArray, got " + str(r.asList()))
|
|||
|
|
+
|
|||
|
|
+class LineStartTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ pass_tests = [
|
|||
|
|
+ """\
|
|||
|
|
+ AAA
|
|||
|
|
+ BBB
|
|||
|
|
+ """,
|
|||
|
|
+ """\
|
|||
|
|
+ AAA...
|
|||
|
|
+ BBB
|
|||
|
|
+ """,
|
|||
|
|
+ ]
|
|||
|
|
+ fail_tests = [
|
|||
|
|
+ """\
|
|||
|
|
+ AAA...
|
|||
|
|
+ ...BBB
|
|||
|
|
+ """,
|
|||
|
|
+ """\
|
|||
|
|
+ AAA BBB
|
|||
|
|
+ """,
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ # cleanup test strings
|
|||
|
|
+ pass_tests = ['\n'.join(s.lstrip() for s in t.splitlines()).replace('.', ' ') for t in pass_tests]
|
|||
|
|
+ fail_tests = ['\n'.join(s.lstrip() for s in t.splitlines()).replace('.', ' ') for t in fail_tests]
|
|||
|
|
+
|
|||
|
|
+ test_patt = pp.Word('A') - pp.LineStart() + pp.Word('B')
|
|||
|
|
+ print_(test_patt.streamline())
|
|||
|
|
+ success = test_patt.runTests(pass_tests)[0]
|
|||
|
|
+ self.assertTrue(success, "failed LineStart passing tests (1)")
|
|||
|
|
+
|
|||
|
|
+ success = test_patt.runTests(fail_tests, failureTests=True)[0]
|
|||
|
|
+ self.assertTrue(success, "failed LineStart failure mode tests (1)")
|
|||
|
|
+
|
|||
|
|
+ with AutoReset(pp.ParserElement, "DEFAULT_WHITE_CHARS"):
|
|||
|
|
+ print_(r'no \n in default whitespace chars')
|
|||
|
|
+ pp.ParserElement.setDefaultWhitespaceChars(' ')
|
|||
|
|
+
|
|||
|
|
+ test_patt = pp.Word('A') - pp.LineStart() + pp.Word('B')
|
|||
|
|
+ print_(test_patt.streamline())
|
|||
|
|
+ # should fail the pass tests too, since \n is no longer valid whitespace and we aren't parsing for it
|
|||
|
|
+ success = test_patt.runTests(pass_tests, failureTests=True)[0]
|
|||
|
|
+ self.assertTrue(success, "failed LineStart passing tests (2)")
|
|||
|
|
+
|
|||
|
|
+ success = test_patt.runTests(fail_tests, failureTests=True)[0]
|
|||
|
|
+ self.assertTrue(success, "failed LineStart failure mode tests (2)")
|
|||
|
|
+
|
|||
|
|
+ test_patt = pp.Word('A') - pp.LineEnd().suppress() + pp.LineStart() + pp.Word('B') + pp.LineEnd().suppress()
|
|||
|
|
+ print_(test_patt.streamline())
|
|||
|
|
+ success = test_patt.runTests(pass_tests)[0]
|
|||
|
|
+ self.assertTrue(success, "failed LineStart passing tests (3)")
|
|||
|
|
+
|
|||
|
|
+ success = test_patt.runTests(fail_tests, failureTests=True)[0]
|
|||
|
|
+ self.assertTrue(success, "failed LineStart failure mode tests (3)")
|
|||
|
|
+
|
|||
|
|
+ test = """\
|
|||
|
|
+ AAA 1
|
|||
|
|
+ AAA 2
|
|||
|
|
+
|
|||
|
|
+ AAA
|
|||
|
|
+
|
|||
|
|
+ B AAA
|
|||
|
|
+
|
|||
|
|
+ """
|
|||
|
|
+
|
|||
|
|
+ from textwrap import dedent
|
|||
|
|
+ test = dedent(test)
|
|||
|
|
+ print_(test)
|
|||
|
|
+
|
|||
|
|
+ for t, s, e in (pp.LineStart() + 'AAA').scanString(test):
|
|||
|
|
+ print_(s, e, pp.lineno(s, test), pp.line(s, test), ord(test[s]))
|
|||
|
|
+ print_()
|
|||
|
|
+ self.assertEqual(test[s], 'A', 'failed LineStart with insignificant newlines')
|
|||
|
|
+
|
|||
|
|
+ with AutoReset(pp.ParserElement, "DEFAULT_WHITE_CHARS"):
|
|||
|
|
+ pp.ParserElement.setDefaultWhitespaceChars(' ')
|
|||
|
|
+ for t, s, e in (pp.LineStart() + 'AAA').scanString(test):
|
|||
|
|
+ print_(s, e, pp.lineno(s, test), pp.line(s, test), ord(test[s]))
|
|||
|
|
+ print_()
|
|||
|
|
+ self.assertEqual(test[s], 'A', 'failed LineStart with insignificant newlines')
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class LineAndStringEndTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import OneOrMore,lineEnd,alphanums,Word,stringEnd,delimitedList,SkipTo
|
|||
|
|
+
|
|||
|
|
+ NLs = OneOrMore(lineEnd)
|
|||
|
|
+ bnf1 = delimitedList(Word(alphanums).leaveWhitespace(), NLs)
|
|||
|
|
+ bnf2 = Word(alphanums) + stringEnd
|
|||
|
|
+ bnf3 = Word(alphanums) + SkipTo(stringEnd)
|
|||
|
|
+ tests = [
|
|||
|
|
+ ("testA\ntestB\ntestC\n", ['testA', 'testB', 'testC']),
|
|||
|
|
+ ("testD\ntestE\ntestF", ['testD', 'testE', 'testF']),
|
|||
|
|
+ ("a", ['a']),
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ for test,expected in tests:
|
|||
|
|
+ res1 = bnf1.parseString(test)
|
|||
|
|
+ print_(res1,'=?',expected)
|
|||
|
|
+ self.assertEqual(res1.asList(), expected,
|
|||
|
|
+ "Failed lineEnd/stringEnd test (1): "+repr(test)+ " -> "+str(res1.asList()))
|
|||
|
|
+
|
|||
|
|
+ res2 = bnf2.searchString(test)[0]
|
|||
|
|
+ print_(res2.asList(),'=?',expected[-1:])
|
|||
|
|
+ self.assertEqual(res2.asList(), expected[-1:],
|
|||
|
|
+ "Failed lineEnd/stringEnd test (2): "+repr(test)+ " -> "+str(res2.asList()))
|
|||
|
|
+
|
|||
|
|
+ res3 = bnf3.parseString(test)
|
|||
|
|
+ first = res3[0]
|
|||
|
|
+ rest = res3[1]
|
|||
|
|
+ #~ print res3.dump()
|
|||
|
|
+ print_(repr(rest),'=?',repr(test[len(first)+1:]))
|
|||
|
|
+ self.assertEqual(rest, test[len(first)+1:],
|
|||
|
|
+ "Failed lineEnd/stringEnd test (3): " +repr(test)+ " -> "+str(res3.asList()))
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Regex
|
|||
|
|
+ import re
|
|||
|
|
+
|
|||
|
|
+ k = Regex(r'a+',flags=re.S+re.M)
|
|||
|
|
+ k = k.parseWithTabs()
|
|||
|
|
+ k = k.leaveWhitespace()
|
|||
|
|
+
|
|||
|
|
+ tests = [
|
|||
|
|
+ (r'aaa',['aaa']),
|
|||
|
|
+ (r'\naaa',None),
|
|||
|
|
+ (r'a\naa',None),
|
|||
|
|
+ (r'aaa\n',None),
|
|||
|
|
+ ]
|
|||
|
|
+ for i,(src,expected) in enumerate(tests):
|
|||
|
|
+ print_(i, repr(src).replace('\\\\','\\'), end=' ')
|
|||
|
|
+ try:
|
|||
|
|
+ res = k.parseString(src, parseAll=True).asList()
|
|||
|
|
+ except ParseException as pe:
|
|||
|
|
+ res = None
|
|||
|
|
+ print_(res)
|
|||
|
|
+ self.assertEqual(res, expected, "Failed on parseAll=True test %d" % i)
|
|||
|
|
+
|
|||
|
|
+class VariableParseActionArgsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ pa3 = lambda s,l,t: t
|
|||
|
|
+ pa2 = lambda l,t: t
|
|||
|
|
+ pa1 = lambda t: t
|
|||
|
|
+ pa0 = lambda : None
|
|||
|
|
+ class Callable3(object):
|
|||
|
|
+ def __call__(self,s,l,t):
|
|||
|
|
+ return t
|
|||
|
|
+ class Callable2(object):
|
|||
|
|
+ def __call__(self,l,t):
|
|||
|
|
+ return t
|
|||
|
|
+ class Callable1(object):
|
|||
|
|
+ def __call__(self,t):
|
|||
|
|
+ return t
|
|||
|
|
+ class Callable0(object):
|
|||
|
|
+ def __call__(self):
|
|||
|
|
+ return
|
|||
|
|
+ class CallableS3(object):
|
|||
|
|
+ #~ @staticmethod
|
|||
|
|
+ def __call__(s,l,t):
|
|||
|
|
+ return t
|
|||
|
|
+ __call__=staticmethod(__call__)
|
|||
|
|
+ class CallableS2(object):
|
|||
|
|
+ #~ @staticmethod
|
|||
|
|
+ def __call__(l,t):
|
|||
|
|
+ return t
|
|||
|
|
+ __call__=staticmethod(__call__)
|
|||
|
|
+ class CallableS1(object):
|
|||
|
|
+ #~ @staticmethod
|
|||
|
|
+ def __call__(t):
|
|||
|
|
+ return t
|
|||
|
|
+ __call__=staticmethod(__call__)
|
|||
|
|
+ class CallableS0(object):
|
|||
|
|
+ #~ @staticmethod
|
|||
|
|
+ def __call__():
|
|||
|
|
+ return
|
|||
|
|
+ __call__=staticmethod(__call__)
|
|||
|
|
+ class CallableC3(object):
|
|||
|
|
+ #~ @classmethod
|
|||
|
|
+ def __call__(cls,s,l,t):
|
|||
|
|
+ return t
|
|||
|
|
+ __call__=classmethod(__call__)
|
|||
|
|
+ class CallableC2(object):
|
|||
|
|
+ #~ @classmethod
|
|||
|
|
+ def __call__(cls,l,t):
|
|||
|
|
+ return t
|
|||
|
|
+ __call__=classmethod(__call__)
|
|||
|
|
+ class CallableC1(object):
|
|||
|
|
+ #~ @classmethod
|
|||
|
|
+ def __call__(cls,t):
|
|||
|
|
+ return t
|
|||
|
|
+ __call__=classmethod(__call__)
|
|||
|
|
+ class CallableC0(object):
|
|||
|
|
+ #~ @classmethod
|
|||
|
|
+ def __call__(cls):
|
|||
|
|
+ return
|
|||
|
|
+ __call__=classmethod(__call__)
|
|||
|
|
+
|
|||
|
|
+ class parseActionHolder(object):
|
|||
|
|
+ #~ @staticmethod
|
|||
|
|
+ def pa3(s,l,t):
|
|||
|
|
+ return t
|
|||
|
|
+ pa3=staticmethod(pa3)
|
|||
|
|
+ #~ @staticmethod
|
|||
|
|
+ def pa2(l,t):
|
|||
|
|
+ return t
|
|||
|
|
+ pa2=staticmethod(pa2)
|
|||
|
|
+ #~ @staticmethod
|
|||
|
|
+ def pa1(t):
|
|||
|
|
+ return t
|
|||
|
|
+ pa1=staticmethod(pa1)
|
|||
|
|
+ #~ @staticmethod
|
|||
|
|
+ def pa0():
|
|||
|
|
+ return
|
|||
|
|
+ pa0=staticmethod(pa0)
|
|||
|
|
+
|
|||
|
|
+ def paArgs(*args):
|
|||
|
|
+ print_(args)
|
|||
|
|
+ return args[2]
|
|||
|
|
+
|
|||
|
|
+ class ClassAsPA0(object):
|
|||
|
|
+ def __init__(self):
|
|||
|
|
+ pass
|
|||
|
|
+ def __str__(self):
|
|||
|
|
+ return "A"
|
|||
|
|
+
|
|||
|
|
+ class ClassAsPA1(object):
|
|||
|
|
+ def __init__(self,t):
|
|||
|
|
+ print_("making a ClassAsPA1")
|
|||
|
|
+ self.t = t
|
|||
|
|
+ def __str__(self):
|
|||
|
|
+ return self.t[0]
|
|||
|
|
+
|
|||
|
|
+ class ClassAsPA2(object):
|
|||
|
|
+ def __init__(self,l,t):
|
|||
|
|
+ self.t = t
|
|||
|
|
+ def __str__(self):
|
|||
|
|
+ return self.t[0]
|
|||
|
|
+
|
|||
|
|
+ class ClassAsPA3(object):
|
|||
|
|
+ def __init__(self,s,l,t):
|
|||
|
|
+ self.t = t
|
|||
|
|
+ def __str__(self):
|
|||
|
|
+ return self.t[0]
|
|||
|
|
+
|
|||
|
|
+ class ClassAsPAStarNew(tuple):
|
|||
|
|
+ def __new__(cls, *args):
|
|||
|
|
+ print_("make a ClassAsPAStarNew", args)
|
|||
|
|
+ return tuple.__new__(cls, *args[2].asList())
|
|||
|
|
+ def __str__(self):
|
|||
|
|
+ return ''.join(self)
|
|||
|
|
+
|
|||
|
|
+ #~ def ClassAsPANew(object):
|
|||
|
|
+ #~ def __new__(cls, t):
|
|||
|
|
+ #~ return object.__new__(cls, t)
|
|||
|
|
+ #~ def __init__(self,t):
|
|||
|
|
+ #~ self.t = t
|
|||
|
|
+ #~ def __str__(self):
|
|||
|
|
+ #~ return self.t
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Literal,OneOrMore
|
|||
|
|
+
|
|||
|
|
+ A = Literal("A").setParseAction(pa0)
|
|||
|
|
+ B = Literal("B").setParseAction(pa1)
|
|||
|
|
+ C = Literal("C").setParseAction(pa2)
|
|||
|
|
+ D = Literal("D").setParseAction(pa3)
|
|||
|
|
+ E = Literal("E").setParseAction(Callable0())
|
|||
|
|
+ F = Literal("F").setParseAction(Callable1())
|
|||
|
|
+ G = Literal("G").setParseAction(Callable2())
|
|||
|
|
+ H = Literal("H").setParseAction(Callable3())
|
|||
|
|
+ I = Literal("I").setParseAction(CallableS0())
|
|||
|
|
+ J = Literal("J").setParseAction(CallableS1())
|
|||
|
|
+ K = Literal("K").setParseAction(CallableS2())
|
|||
|
|
+ L = Literal("L").setParseAction(CallableS3())
|
|||
|
|
+ M = Literal("M").setParseAction(CallableC0())
|
|||
|
|
+ N = Literal("N").setParseAction(CallableC1())
|
|||
|
|
+ O = Literal("O").setParseAction(CallableC2())
|
|||
|
|
+ P = Literal("P").setParseAction(CallableC3())
|
|||
|
|
+ Q = Literal("Q").setParseAction(paArgs)
|
|||
|
|
+ R = Literal("R").setParseAction(parseActionHolder.pa3)
|
|||
|
|
+ S = Literal("S").setParseAction(parseActionHolder.pa2)
|
|||
|
|
+ T = Literal("T").setParseAction(parseActionHolder.pa1)
|
|||
|
|
+ U = Literal("U").setParseAction(parseActionHolder.pa0)
|
|||
|
|
+ V = Literal("V")
|
|||
|
|
+
|
|||
|
|
+ gg = OneOrMore( A | C | D | E | F | G | H |
|
|||
|
|
+ I | J | K | L | M | N | O | P | Q | R | S | U | V | B | T)
|
|||
|
|
+ testString = "VUTSRQPONMLKJIHGFEDCBA"
|
|||
|
|
+ res = gg.parseString(testString)
|
|||
|
|
+ print_(res.asList())
|
|||
|
|
+ self.assertEqual(res.asList(), list(testString), "Failed to parse using variable length parse actions")
|
|||
|
|
+
|
|||
|
|
+ A = Literal("A").setParseAction(ClassAsPA0)
|
|||
|
|
+ B = Literal("B").setParseAction(ClassAsPA1)
|
|||
|
|
+ C = Literal("C").setParseAction(ClassAsPA2)
|
|||
|
|
+ D = Literal("D").setParseAction(ClassAsPA3)
|
|||
|
|
+ E = Literal("E").setParseAction(ClassAsPAStarNew)
|
|||
|
|
+
|
|||
|
|
+ gg = OneOrMore( A | B | C | D | E | F | G | H |
|
|||
|
|
+ I | J | K | L | M | N | O | P | Q | R | S | T | U | V)
|
|||
|
|
+ testString = "VUTSRQPONMLKJIHGFEDCBA"
|
|||
|
|
+ res = gg.parseString(testString)
|
|||
|
|
+ print_(list(map(str,res)))
|
|||
|
|
+ self.assertEqual(list(map(str,res)), list(testString),
|
|||
|
|
+ "Failed to parse using variable length parse actions "
|
|||
|
|
+ "using class constructors as parse actions")
|
|||
|
|
+
|
|||
|
|
+class EnablePackratParsing(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import ParserElement
|
|||
|
|
+ ParserElement.enablePackrat()
|
|||
|
|
+
|
|||
|
|
+class SingleArgExceptionTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import ParseBaseException,ParseFatalException
|
|||
|
|
+
|
|||
|
|
+ msg = ""
|
|||
|
|
+ raisedMsg = ""
|
|||
|
|
+ testMessage = "just one arg"
|
|||
|
|
+ try:
|
|||
|
|
+ raise ParseFatalException(testMessage)
|
|||
|
|
+ except ParseBaseException as pbe:
|
|||
|
|
+ print_("Received expected exception:", pbe)
|
|||
|
|
+ raisedMsg = pbe.msg
|
|||
|
|
+ self.assertEqual(raisedMsg, testMessage, "Failed to get correct exception message")
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class OriginalTextForTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import makeHTMLTags, originalTextFor
|
|||
|
|
+
|
|||
|
|
+ def rfn(t):
|
|||
|
|
+ return "%s:%d" % (t.src, len("".join(t)))
|
|||
|
|
+
|
|||
|
|
+ makeHTMLStartTag = lambda tag: originalTextFor(makeHTMLTags(tag)[0], asString=False)
|
|||
|
|
+
|
|||
|
|
+ # use the lambda, Luke
|
|||
|
|
+ #~ start, imge = makeHTMLTags('IMG')
|
|||
|
|
+ start = makeHTMLStartTag('IMG')
|
|||
|
|
+
|
|||
|
|
+ # don't replace our fancy parse action with rfn,
|
|||
|
|
+ # append rfn to the list of parse actions
|
|||
|
|
+ #~ start.setParseAction(rfn)
|
|||
|
|
+ start.addParseAction(rfn)
|
|||
|
|
+
|
|||
|
|
+ #start.setParseAction(lambda s,l,t:t.src)
|
|||
|
|
+ text = '''_<img src="images/cal.png"
|
|||
|
|
+ alt="cal image" width="16" height="15">_'''
|
|||
|
|
+ s = start.transformString(text)
|
|||
|
|
+ if VERBOSE:
|
|||
|
|
+ print_(s)
|
|||
|
|
+ self.assertTrue(s.startswith("_images/cal.png:"), "failed to preserve input s properly")
|
|||
|
|
+ self.assertTrue(s.endswith("77_"),"failed to return full original text properly")
|
|||
|
|
+
|
|||
|
|
+ tag_fields = makeHTMLStartTag("IMG").searchString(text)[0]
|
|||
|
|
+ if VERBOSE:
|
|||
|
|
+ print_(sorted(tag_fields.keys()))
|
|||
|
|
+ self.assertEqual(sorted(tag_fields.keys()),
|
|||
|
|
+ ['alt', 'empty', 'height', 'src', 'startImg', 'tag', 'width'],
|
|||
|
|
+ 'failed to preserve results names in originalTextFor')
|
|||
|
|
+
|
|||
|
|
+class PackratParsingCacheCopyTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word,nums,delimitedList,Literal,Optional,alphas,alphanums,ZeroOrMore,empty
|
|||
|
|
+
|
|||
|
|
+ integer = Word(nums).setName("integer")
|
|||
|
|
+ id = Word(alphas+'_',alphanums+'_')
|
|||
|
|
+ simpleType = Literal('int');
|
|||
|
|
+ arrayType= simpleType+ZeroOrMore('['+delimitedList(integer)+']')
|
|||
|
|
+ varType = arrayType | simpleType
|
|||
|
|
+ varDec = varType + delimitedList(id + Optional('='+integer))+';'
|
|||
|
|
+
|
|||
|
|
+ codeBlock = Literal('{}')
|
|||
|
|
+
|
|||
|
|
+ funcDef = Optional(varType | 'void')+id+'('+(delimitedList(varType+id)|'void'|empty)+')'+codeBlock
|
|||
|
|
+
|
|||
|
|
+ program = varDec | funcDef
|
|||
|
|
+ input = 'int f(){}'
|
|||
|
|
+ results = program.parseString(input)
|
|||
|
|
+ print_("Parsed '%s' as %s" % (input, results.asList()))
|
|||
|
|
+ self.assertEqual(results.asList(), ['int', 'f', '(', ')', '{}'], "Error in packrat parsing")
|
|||
|
|
+
|
|||
|
|
+class PackratParsingCacheCopyTest2(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Keyword,Word,Suppress,Forward,Optional,delimitedList,Group
|
|||
|
|
+
|
|||
|
|
+ DO,AA = list(map(Keyword, "DO AA".split()))
|
|||
|
|
+ LPAR,RPAR = list(map(Suppress,"()"))
|
|||
|
|
+ identifier = ~AA + Word("Z")
|
|||
|
|
+
|
|||
|
|
+ function_name = identifier.copy()
|
|||
|
|
+ #~ function_name = ~AA + Word("Z") #identifier.copy()
|
|||
|
|
+ expr = Forward().setName("expr")
|
|||
|
|
+ expr << (Group(function_name + LPAR + Optional(delimitedList(expr)) + RPAR).setName("functionCall") |
|
|||
|
|
+ identifier.setName("ident")#.setDebug()#.setBreak()
|
|||
|
|
+ )
|
|||
|
|
+
|
|||
|
|
+ stmt = DO + Group(delimitedList(identifier + ".*" | expr))
|
|||
|
|
+ result = stmt.parseString("DO Z")
|
|||
|
|
+ print_(result.asList())
|
|||
|
|
+ self.assertEqual(len(result[1]), 1, "packrat parsing is duplicating And term exprs")
|
|||
|
|
+
|
|||
|
|
+class ParseResultsDelTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import OneOrMore, Word, alphas, nums
|
|||
|
|
+
|
|||
|
|
+ grammar = OneOrMore(Word(nums))("ints") + OneOrMore(Word(alphas))("words")
|
|||
|
|
+ res = grammar.parseString("123 456 ABC DEF")
|
|||
|
|
+ print_(res.dump())
|
|||
|
|
+ origInts = res.ints.asList()
|
|||
|
|
+ origWords = res.words.asList()
|
|||
|
|
+ del res[1]
|
|||
|
|
+ del res["words"]
|
|||
|
|
+ print_(res.dump())
|
|||
|
|
+ self.assertEqual(res[1], 'ABC',"failed to delete 0'th element correctly")
|
|||
|
|
+ self.assertEqual(res.ints.asList(), origInts, "updated named attributes, should have updated list only")
|
|||
|
|
+ self.assertEqual(res.words, "", "failed to update named attribute correctly")
|
|||
|
|
+ self.assertEqual(res[-1], 'DEF', "updated list, should have updated named attributes only")
|
|||
|
|
+
|
|||
|
|
+class WithAttributeParseActionTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ """
|
|||
|
|
+ This unit test checks withAttribute in these ways:
|
|||
|
|
+
|
|||
|
|
+ * Argument forms as keywords and tuples
|
|||
|
|
+ * Selecting matching tags by attribute
|
|||
|
|
+ * Case-insensitive attribute matching
|
|||
|
|
+ * Correctly matching tags having the attribute, and rejecting tags not having the attribute
|
|||
|
|
+
|
|||
|
|
+ (Unit test written by voigts as part of the Google Highly Open Participation Contest)
|
|||
|
|
+ """
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import makeHTMLTags, Word, withAttribute, withClass, nums
|
|||
|
|
+
|
|||
|
|
+ data = """
|
|||
|
|
+ <a>1</a>
|
|||
|
|
+ <a b="x">2</a>
|
|||
|
|
+ <a B="x">3</a>
|
|||
|
|
+ <a b="X">4</a>
|
|||
|
|
+ <a b="y">5</a>
|
|||
|
|
+ <a class="boo">8</a>
|
|||
|
|
+ """
|
|||
|
|
+ tagStart, tagEnd = makeHTMLTags("a")
|
|||
|
|
+
|
|||
|
|
+ expr = tagStart + Word(nums)("value") + tagEnd
|
|||
|
|
+
|
|||
|
|
+ expected = ([['a', ['b', 'x'], False, '2', '</a>'],
|
|||
|
|
+ ['a', ['b', 'x'], False, '3', '</a>']],
|
|||
|
|
+ [['a', ['b', 'x'], False, '2', '</a>'],
|
|||
|
|
+ ['a', ['b', 'x'], False, '3', '</a>']],
|
|||
|
|
+ [['a', ['class', 'boo'], False, '8', '</a>']],
|
|||
|
|
+ )
|
|||
|
|
+
|
|||
|
|
+ for attrib, exp in zip([
|
|||
|
|
+ withAttribute(b="x"),
|
|||
|
|
+ #withAttribute(B="x"),
|
|||
|
|
+ withAttribute(("b","x")),
|
|||
|
|
+ #withAttribute(("B","x")),
|
|||
|
|
+ withClass("boo"),
|
|||
|
|
+ ], expected):
|
|||
|
|
+
|
|||
|
|
+ tagStart.setParseAction(attrib)
|
|||
|
|
+ result = expr.searchString(data)
|
|||
|
|
+
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertEqual(result.asList(), exp, "Failed test, expected %s, got %s" % (expected, result.asList()))
|
|||
|
|
+
|
|||
|
|
+class NestedExpressionsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ """
|
|||
|
|
+ This unit test checks nestedExpr in these ways:
|
|||
|
|
+ - use of default arguments
|
|||
|
|
+ - use of non-default arguments (such as a pyparsing-defined comment
|
|||
|
|
+ expression in place of quotedString)
|
|||
|
|
+ - use of a custom content expression
|
|||
|
|
+ - use of a pyparsing expression for opener and closer is *OPTIONAL*
|
|||
|
|
+ - use of input data containing nesting delimiters
|
|||
|
|
+ - correct grouping of parsed tokens according to nesting of opening
|
|||
|
|
+ and closing delimiters in the input string
|
|||
|
|
+
|
|||
|
|
+ (Unit test written by christoph... as part of the Google Highly Open Participation Contest)
|
|||
|
|
+ """
|
|||
|
|
+ from pyparsing import nestedExpr, Literal, Regex, restOfLine, quotedString
|
|||
|
|
+
|
|||
|
|
+ #All defaults. Straight out of the example script. Also, qualifies for
|
|||
|
|
+ #the bonus: note the fact that (Z | (E^F) & D) is not parsed :-).
|
|||
|
|
+ # Tests for bug fixed in 1.4.10
|
|||
|
|
+ print_("Test defaults:")
|
|||
|
|
+ teststring = "(( ax + by)*C) (Z | (E^F) & D)"
|
|||
|
|
+
|
|||
|
|
+ expr = nestedExpr()
|
|||
|
|
+
|
|||
|
|
+ expected = [[['ax', '+', 'by'], '*C']]
|
|||
|
|
+ result = expr.parseString(teststring)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertEqual(result.asList(), expected, "Defaults didn't work. That's a bad sign. Expected: %s, got: %s" % (expected, result))
|
|||
|
|
+
|
|||
|
|
+ #Going through non-defaults, one by one; trying to think of anything
|
|||
|
|
+ #odd that might not be properly handled.
|
|||
|
|
+
|
|||
|
|
+ #Change opener
|
|||
|
|
+ print_("\nNon-default opener")
|
|||
|
|
+ opener = "["
|
|||
|
|
+ teststring = test_string = "[[ ax + by)*C)"
|
|||
|
|
+ expected = [[['ax', '+', 'by'], '*C']]
|
|||
|
|
+ expr = nestedExpr("[")
|
|||
|
|
+ result = expr.parseString(teststring)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertEqual(result.asList(), expected, "Non-default opener didn't work. Expected: %s, got: %s" % (expected, result))
|
|||
|
|
+
|
|||
|
|
+ #Change closer
|
|||
|
|
+ print_("\nNon-default closer")
|
|||
|
|
+
|
|||
|
|
+ teststring = test_string = "(( ax + by]*C]"
|
|||
|
|
+ expected = [[['ax', '+', 'by'], '*C']]
|
|||
|
|
+ expr = nestedExpr(closer="]")
|
|||
|
|
+ result = expr.parseString(teststring)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertEqual(result.asList(), expected, "Non-default closer didn't work. Expected: %s, got: %s" % (expected, result))
|
|||
|
|
+
|
|||
|
|
+ # #Multicharacter opener, closer
|
|||
|
|
+ # opener = "bar"
|
|||
|
|
+ # closer = "baz"
|
|||
|
|
+ print_("\nLiteral expressions for opener and closer")
|
|||
|
|
+
|
|||
|
|
+ opener,closer = list(map(Literal, "bar baz".split()))
|
|||
|
|
+ expr = nestedExpr(opener, closer,
|
|||
|
|
+ content=Regex(r"([^b ]|b(?!a)|ba(?![rz]))+"))
|
|||
|
|
+
|
|||
|
|
+ teststring = "barbar ax + bybaz*Cbaz"
|
|||
|
|
+ expected = [[['ax', '+', 'by'], '*C']]
|
|||
|
|
+ # expr = nestedExpr(opener, closer)
|
|||
|
|
+ result = expr.parseString(teststring)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertEqual(result.asList(), expected, "Multicharacter opener and closer didn't work. Expected: %s, got: %s" % (expected, result))
|
|||
|
|
+
|
|||
|
|
+ #Lisp-ish comments
|
|||
|
|
+ print_("\nUse ignore expression (1)")
|
|||
|
|
+ comment = Regex(r";;.*")
|
|||
|
|
+ teststring = \
|
|||
|
|
+ """
|
|||
|
|
+ (let ((greeting "Hello, world!")) ;;(foo bar
|
|||
|
|
+ (display greeting))
|
|||
|
|
+ """
|
|||
|
|
+
|
|||
|
|
+ expected = [['let', [['greeting', '"Hello,', 'world!"']], ';;(foo bar',\
|
|||
|
|
+ ['display', 'greeting']]]
|
|||
|
|
+ expr = nestedExpr(ignoreExpr=comment)
|
|||
|
|
+ result = expr.parseString(teststring)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertEqual(result.asList(), expected , "Lisp-ish comments (\";; <...> $\") didn't work. Expected: %s, got: %s" % (expected, result))
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+ #Lisp-ish comments, using a standard bit of pyparsing, and an Or.
|
|||
|
|
+ print_("\nUse ignore expression (2)")
|
|||
|
|
+ comment = ';;' + restOfLine
|
|||
|
|
+
|
|||
|
|
+ teststring = \
|
|||
|
|
+ """
|
|||
|
|
+ (let ((greeting "Hello, )world!")) ;;(foo bar
|
|||
|
|
+ (display greeting))
|
|||
|
|
+ """
|
|||
|
|
+
|
|||
|
|
+ expected = [['let', [['greeting', '"Hello, )world!"']], ';;', '(foo bar',
|
|||
|
|
+ ['display', 'greeting']]]
|
|||
|
|
+ expr = nestedExpr(ignoreExpr=(comment ^ quotedString))
|
|||
|
|
+ result = expr.parseString(teststring)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertEqual(result.asList(), expected ,
|
|||
|
|
+ "Lisp-ish comments (\";; <...> $\") and quoted strings didn't work. Expected: %s, got: %s" % (expected, result))
|
|||
|
|
+
|
|||
|
|
+class WordExcludeTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word, printables
|
|||
|
|
+ allButPunc = Word(printables, excludeChars=".,:;-_!?")
|
|||
|
|
+
|
|||
|
|
+ test = "Hello, Mr. Ed, it's Wilbur!"
|
|||
|
|
+ result = allButPunc.searchString(test).asList()
|
|||
|
|
+ print_(result)
|
|||
|
|
+ self.assertEqual(result, [['Hello'], ['Mr'], ['Ed'], ["it's"], ['Wilbur']], "failed WordExcludeTest")
|
|||
|
|
+
|
|||
|
|
+class ParseAllTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word, cppStyleComment
|
|||
|
|
+
|
|||
|
|
+ testExpr = Word("A")
|
|||
|
|
+
|
|||
|
|
+ tests = [
|
|||
|
|
+ ("AAAAA", False, True),
|
|||
|
|
+ ("AAAAA", True, True),
|
|||
|
|
+ ("AAABB", False, True),
|
|||
|
|
+ ("AAABB", True, False),
|
|||
|
|
+ ]
|
|||
|
|
+ for s,parseAllFlag,shouldSucceed in tests:
|
|||
|
|
+ try:
|
|||
|
|
+ print_("'%s' parseAll=%s (shouldSuceed=%s)" % (s, parseAllFlag, shouldSucceed))
|
|||
|
|
+ testExpr.parseString(s,parseAllFlag)
|
|||
|
|
+ self.assertTrue(shouldSucceed, "successfully parsed when should have failed")
|
|||
|
|
+ except ParseException as pe:
|
|||
|
|
+ self.assertFalse(shouldSucceed, "failed to parse when should have succeeded")
|
|||
|
|
+
|
|||
|
|
+ # add test for trailing comments
|
|||
|
|
+ testExpr.ignore(cppStyleComment)
|
|||
|
|
+
|
|||
|
|
+ tests = [
|
|||
|
|
+ ("AAAAA //blah", False, True),
|
|||
|
|
+ ("AAAAA //blah", True, True),
|
|||
|
|
+ ("AAABB //blah", False, True),
|
|||
|
|
+ ("AAABB //blah", True, False),
|
|||
|
|
+ ]
|
|||
|
|
+ for s,parseAllFlag,shouldSucceed in tests:
|
|||
|
|
+ try:
|
|||
|
|
+ print_("'%s' parseAll=%s (shouldSucceed=%s)" % (s, parseAllFlag, shouldSucceed))
|
|||
|
|
+ testExpr.parseString(s,parseAllFlag)
|
|||
|
|
+ self.assertTrue(shouldSucceed, "successfully parsed when should have failed")
|
|||
|
|
+ except ParseException as pe:
|
|||
|
|
+ self.assertFalse(shouldSucceed, "failed to parse when should have succeeded")
|
|||
|
|
+
|
|||
|
|
+class GreedyQuotedStringsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import QuotedString, sglQuotedString, dblQuotedString, quotedString, delimitedList
|
|||
|
|
+
|
|||
|
|
+ src = """\
|
|||
|
|
+ "string1", "strin""g2"
|
|||
|
|
+ 'string1', 'string2'
|
|||
|
|
+ ^string1^, ^string2^
|
|||
|
|
+ <string1>, <string2>"""
|
|||
|
|
+
|
|||
|
|
+ testExprs = (sglQuotedString, dblQuotedString, quotedString,
|
|||
|
|
+ QuotedString('"', escQuote='""'), QuotedString("'", escQuote="''"),
|
|||
|
|
+ QuotedString("^"), QuotedString("<",endQuoteChar=">"))
|
|||
|
|
+ for expr in testExprs:
|
|||
|
|
+ strs = delimitedList(expr).searchString(src)
|
|||
|
|
+ print_(strs)
|
|||
|
|
+ self.assertTrue(bool(strs), "no matches found for test expression '%s'" % expr)
|
|||
|
|
+ for lst in strs:
|
|||
|
|
+ self.assertEqual(len(lst), 2, "invalid match found for test expression '%s'" % expr)
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import alphas, nums, Word
|
|||
|
|
+ src = """'ms1',1,0,'2009-12-22','2009-12-22 10:41:22') ON DUPLICATE KEY UPDATE sent_count = sent_count + 1, mtime = '2009-12-22 10:41:22';"""
|
|||
|
|
+ tok_sql_quoted_value = (
|
|||
|
|
+ QuotedString("'", "\\", "''", True, False) ^
|
|||
|
|
+ QuotedString('"', "\\", '""', True, False))
|
|||
|
|
+ tok_sql_computed_value = Word(nums)
|
|||
|
|
+ tok_sql_identifier = Word(alphas)
|
|||
|
|
+
|
|||
|
|
+ val = tok_sql_quoted_value | tok_sql_computed_value | tok_sql_identifier
|
|||
|
|
+ vals = delimitedList(val)
|
|||
|
|
+ print_(vals.parseString(src))
|
|||
|
|
+ self.assertEqual(len(vals.parseString(src)), 5, "error in greedy quote escaping")
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class WordBoundaryExpressionsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import WordEnd, WordStart, oneOf
|
|||
|
|
+
|
|||
|
|
+ ws = WordStart()
|
|||
|
|
+ we = WordEnd()
|
|||
|
|
+ vowel = oneOf(list("AEIOUY"))
|
|||
|
|
+ consonant = oneOf(list("BCDFGHJKLMNPQRSTVWXZ"))
|
|||
|
|
+
|
|||
|
|
+ leadingVowel = ws + vowel
|
|||
|
|
+ trailingVowel = vowel + we
|
|||
|
|
+ leadingConsonant = ws + consonant
|
|||
|
|
+ trailingConsonant = consonant + we
|
|||
|
|
+ internalVowel = ~ws + vowel + ~we
|
|||
|
|
+
|
|||
|
|
+ bnf = leadingVowel | trailingVowel
|
|||
|
|
+
|
|||
|
|
+ tests = """\
|
|||
|
|
+ ABC DEF GHI
|
|||
|
|
+ JKL MNO PQR
|
|||
|
|
+ STU VWX YZ """.splitlines()
|
|||
|
|
+ tests.append( "\n".join(tests) )
|
|||
|
|
+
|
|||
|
|
+ expectedResult = [
|
|||
|
|
+ [['D', 'G'], ['A'], ['C', 'F'], ['I'], ['E'], ['A', 'I']],
|
|||
|
|
+ [['J', 'M', 'P'], [], ['L', 'R'], ['O'], [], ['O']],
|
|||
|
|
+ [['S', 'V'], ['Y'], ['X', 'Z'], ['U'], [], ['U', 'Y']],
|
|||
|
|
+ [['D', 'G', 'J', 'M', 'P', 'S', 'V'],
|
|||
|
|
+ ['A', 'Y'],
|
|||
|
|
+ ['C', 'F', 'L', 'R', 'X', 'Z'],
|
|||
|
|
+ ['I', 'O', 'U'],
|
|||
|
|
+ ['E'],
|
|||
|
|
+ ['A', 'I', 'O', 'U', 'Y']],
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ for t,expected in zip(tests, expectedResult):
|
|||
|
|
+ print_(t)
|
|||
|
|
+ results = [flatten(e.searchString(t).asList()) for e in [
|
|||
|
|
+ leadingConsonant,
|
|||
|
|
+ leadingVowel,
|
|||
|
|
+ trailingConsonant,
|
|||
|
|
+ trailingVowel,
|
|||
|
|
+ internalVowel,
|
|||
|
|
+ bnf,
|
|||
|
|
+ ]]
|
|||
|
|
+ print_(results)
|
|||
|
|
+ print_()
|
|||
|
|
+ self.assertEqual(results, expected,"Failed WordBoundaryTest, expected %s, got %s" % (expected,results))
|
|||
|
|
+
|
|||
|
|
+class RequiredEachTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Keyword
|
|||
|
|
+
|
|||
|
|
+ parser = Keyword('bam') & Keyword('boo')
|
|||
|
|
+ try:
|
|||
|
|
+ res1 = parser.parseString('bam boo')
|
|||
|
|
+ print_(res1.asList())
|
|||
|
|
+ res2 = parser.parseString('boo bam')
|
|||
|
|
+ print_(res2.asList())
|
|||
|
|
+ except ParseException:
|
|||
|
|
+ failed = True
|
|||
|
|
+ else:
|
|||
|
|
+ failed = False
|
|||
|
|
+ self.assertFalse(failed, "invalid logic in Each")
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(set(res1), set(res2), "Failed RequiredEachTest, expected "
|
|||
|
|
+ + str(res1.asList()) + " and " + str(res2.asList())
|
|||
|
|
+ + "to contain same words in any order" )
|
|||
|
|
+
|
|||
|
|
+class OptionalEachTest(ParseTestCase):
|
|||
|
|
+ def runTest1(self):
|
|||
|
|
+ from pyparsing import Optional, Keyword
|
|||
|
|
+
|
|||
|
|
+ the_input = "Major Tal Weiss"
|
|||
|
|
+ parser1 = (Optional('Tal') + Optional('Weiss')) & Keyword('Major')
|
|||
|
|
+ parser2 = Optional(Optional('Tal') + Optional('Weiss')) & Keyword('Major')
|
|||
|
|
+ p1res = parser1.parseString( the_input)
|
|||
|
|
+ p2res = parser2.parseString( the_input)
|
|||
|
|
+ self.assertEqual(p1res.asList(), p2res.asList(),
|
|||
|
|
+ "Each failed to match with nested Optionals, "
|
|||
|
|
+ + str(p1res.asList()) + " should match " + str(p2res.asList()))
|
|||
|
|
+
|
|||
|
|
+ def runTest2(self):
|
|||
|
|
+ from pyparsing import Word, alphanums, OneOrMore, Group, Regex, Optional
|
|||
|
|
+
|
|||
|
|
+ word = Word(alphanums + '_').setName("word")
|
|||
|
|
+ with_stmt = 'with' + OneOrMore(Group(word('key') + '=' + word('value')))('overrides')
|
|||
|
|
+ using_stmt = 'using' + Regex('id-[0-9a-f]{8}')('id')
|
|||
|
|
+ modifiers = Optional(with_stmt('with_stmt')) & Optional(using_stmt('using_stmt'))
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(modifiers, "with foo=bar bing=baz using id-deadbeef")
|
|||
|
|
+ self.assertNotEqual(modifiers, "with foo=bar bing=baz using id-deadbeef using id-feedfeed")
|
|||
|
|
+
|
|||
|
|
+ def runTest3(self):
|
|||
|
|
+ from pyparsing import Literal,Suppress,ZeroOrMore,OneOrMore
|
|||
|
|
+
|
|||
|
|
+ foo = Literal('foo')
|
|||
|
|
+ bar = Literal('bar')
|
|||
|
|
+
|
|||
|
|
+ openBrace = Suppress(Literal("{"))
|
|||
|
|
+ closeBrace = Suppress(Literal("}"))
|
|||
|
|
+
|
|||
|
|
+ exp = openBrace + (OneOrMore(foo)("foo") & ZeroOrMore(bar)("bar")) + closeBrace
|
|||
|
|
+
|
|||
|
|
+ tests = """\
|
|||
|
|
+ {foo}
|
|||
|
|
+ {bar foo bar foo bar foo}
|
|||
|
|
+ """.splitlines()
|
|||
|
|
+ for test in tests:
|
|||
|
|
+ test = test.strip()
|
|||
|
|
+ if not test:
|
|||
|
|
+ continue
|
|||
|
|
+ result = exp.parseString(test)
|
|||
|
|
+ print_(test, '->', result.asList())
|
|||
|
|
+ self.assertEqual(result.asList(), test.strip("{}").split(), "failed to parse Each expression %r" % test)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ result = exp.parseString("{bar}")
|
|||
|
|
+ self.assertTrue(False, "failed to raise exception when required element is missing")
|
|||
|
|
+ except ParseException as pe:
|
|||
|
|
+ pass
|
|||
|
|
+
|
|||
|
|
+ def runTest4(self):
|
|||
|
|
+ from pyparsing import pyparsing_common, ZeroOrMore, Group
|
|||
|
|
+
|
|||
|
|
+ expr = ((~pyparsing_common.iso8601_date + pyparsing_common.integer("id"))
|
|||
|
|
+ & ZeroOrMore(Group(pyparsing_common.iso8601_date)("date*")))
|
|||
|
|
+
|
|||
|
|
+ expr.runTests("""
|
|||
|
|
+ 1999-12-31 100 2001-01-01
|
|||
|
|
+ 42
|
|||
|
|
+ """)
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ self.runTest1()
|
|||
|
|
+ self.runTest2()
|
|||
|
|
+ self.runTest3()
|
|||
|
|
+ self.runTest4()
|
|||
|
|
+
|
|||
|
|
+class SumParseResultsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ samplestr1 = "garbage;DOB 10-10-2010;more garbage\nID PARI12345678;more garbage"
|
|||
|
|
+ samplestr2 = "garbage;ID PARI12345678;more garbage\nDOB 10-10-2010;more garbage"
|
|||
|
|
+ samplestr3 = "garbage;DOB 10-10-2010"
|
|||
|
|
+ samplestr4 = "garbage;ID PARI12345678;more garbage- I am cool"
|
|||
|
|
+
|
|||
|
|
+ res1 = "ID:PARI12345678 DOB:10-10-2010 INFO:"
|
|||
|
|
+ res2 = "ID:PARI12345678 DOB:10-10-2010 INFO:"
|
|||
|
|
+ res3 = "ID: DOB:10-10-2010 INFO:"
|
|||
|
|
+ res4 = "ID:PARI12345678 DOB: INFO: I am cool"
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Regex, Word, alphanums, restOfLine
|
|||
|
|
+ dob_ref = "DOB" + Regex(r"\d{2}-\d{2}-\d{4}")("dob")
|
|||
|
|
+ id_ref = "ID" + Word(alphanums,exact=12)("id")
|
|||
|
|
+ info_ref = "-" + restOfLine("info")
|
|||
|
|
+
|
|||
|
|
+ person_data = dob_ref | id_ref | info_ref
|
|||
|
|
+
|
|||
|
|
+ tests = (samplestr1,samplestr2,samplestr3,samplestr4,)
|
|||
|
|
+ results = (res1, res2, res3, res4,)
|
|||
|
|
+ for test,expected in zip(tests, results):
|
|||
|
|
+ person = sum(person_data.searchString(test))
|
|||
|
|
+ result = "ID:%s DOB:%s INFO:%s" % (person.id, person.dob, person.info)
|
|||
|
|
+ print_(test)
|
|||
|
|
+ print_(expected)
|
|||
|
|
+ print_(result)
|
|||
|
|
+ for pd in person_data.searchString(test):
|
|||
|
|
+ print_(pd.dump())
|
|||
|
|
+ print_()
|
|||
|
|
+ self.assertEqual(expected, result,
|
|||
|
|
+ "Failed to parse '%s' correctly, \nexpected '%s', got '%s'" % (test,expected,result))
|
|||
|
|
+
|
|||
|
|
+class MarkInputLineTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ samplestr1 = "DOB 100-10-2010;more garbage\nID PARI12345678;more garbage"
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Regex
|
|||
|
|
+ dob_ref = "DOB" + Regex(r"\d{2}-\d{2}-\d{4}")("dob")
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ res = dob_ref.parseString(samplestr1)
|
|||
|
|
+ except ParseException as pe:
|
|||
|
|
+ outstr = pe.markInputline()
|
|||
|
|
+ print_(outstr)
|
|||
|
|
+ self.assertEqual(outstr, "DOB >!<100-10-2010;more garbage", "did not properly create marked input line")
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertEqual(False, "test construction failed - should have raised an exception")
|
|||
|
|
+
|
|||
|
|
+class LocatedExprTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ # 012345678901234567890123456789012345678901234567890
|
|||
|
|
+ samplestr1 = "DOB 10-10-2010;more garbage;ID PARI12345678 ;more garbage"
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Word, alphanums, locatedExpr
|
|||
|
|
+ id_ref = locatedExpr("ID" + Word(alphanums,exact=12)("id"))
|
|||
|
|
+
|
|||
|
|
+ res = id_ref.searchString(samplestr1)[0][0]
|
|||
|
|
+ print_(res.dump())
|
|||
|
|
+ self.assertEqual(samplestr1[res.locn_start:res.locn_end], 'ID PARI12345678', "incorrect location calculation")
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class PopTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word, alphas, nums
|
|||
|
|
+
|
|||
|
|
+ source = "AAA 123 456 789 234"
|
|||
|
|
+ patt = Word(alphas)("name") + Word(nums)*(1,)
|
|||
|
|
+
|
|||
|
|
+ result = patt.parseString(source)
|
|||
|
|
+ tests = [
|
|||
|
|
+ (0, 'AAA', ['123', '456', '789', '234']),
|
|||
|
|
+ (None, '234', ['123', '456', '789']),
|
|||
|
|
+ ('name', 'AAA', ['123', '456', '789']),
|
|||
|
|
+ (-1, '789', ['123', '456']),
|
|||
|
|
+ ]
|
|||
|
|
+ for test in tests:
|
|||
|
|
+ idx, val, remaining = test
|
|||
|
|
+ if idx is not None:
|
|||
|
|
+ ret = result.pop(idx)
|
|||
|
|
+ else:
|
|||
|
|
+ ret = result.pop()
|
|||
|
|
+ print_("EXP:", val, remaining)
|
|||
|
|
+ print_("GOT:", ret, result.asList())
|
|||
|
|
+ print_(ret, result.asList())
|
|||
|
|
+ self.assertEqual(ret, val, "wrong value returned, got %r, expected %r" % (ret, val))
|
|||
|
|
+ self.assertEqual(remaining, result.asList(),
|
|||
|
|
+ "list is in wrong state after pop, got %r, expected %r" % (result.asList(), remaining))
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+ prevlist = result.asList()
|
|||
|
|
+ ret = result.pop('name', default="noname")
|
|||
|
|
+ print_(ret)
|
|||
|
|
+ print_(result.asList())
|
|||
|
|
+ self.assertEqual(ret, "noname",
|
|||
|
|
+ "default value not successfully returned, got %r, expected %r" % (ret, "noname"))
|
|||
|
|
+ self.assertEqual(result.asList(), prevlist,
|
|||
|
|
+ "list is in wrong state after pop, got %r, expected %r" % (result.asList(), remaining))
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class AddConditionTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word, nums, Suppress, ParseFatalException
|
|||
|
|
+
|
|||
|
|
+ numParser = Word(nums)
|
|||
|
|
+ numParser.addParseAction(lambda s,l,t: int(t[0]))
|
|||
|
|
+ numParser.addCondition(lambda s,l,t: t[0] % 2)
|
|||
|
|
+ numParser.addCondition(lambda s,l,t: t[0] >= 7)
|
|||
|
|
+
|
|||
|
|
+ result = numParser.searchString("1 2 3 4 5 6 7 8 9 10")
|
|||
|
|
+ print_(result.asList())
|
|||
|
|
+ self.assertEqual(result.asList(), [[7],[9]], "failed to properly process conditions")
|
|||
|
|
+
|
|||
|
|
+ numParser = Word(nums)
|
|||
|
|
+ numParser.addParseAction(lambda s,l,t: int(t[0]))
|
|||
|
|
+ rangeParser = (numParser("from_") + Suppress('-') + numParser("to"))
|
|||
|
|
+
|
|||
|
|
+ result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10")
|
|||
|
|
+ print_(result.asList())
|
|||
|
|
+ self.assertEqual(result.asList(), [[1, 4], [2, 4], [4, 3]], "failed to properly process conditions")
|
|||
|
|
+
|
|||
|
|
+ rangeParser.addCondition(lambda t: t.to > t.from_, message="from must be <= to", fatal=False)
|
|||
|
|
+ result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10")
|
|||
|
|
+ print_(result.asList())
|
|||
|
|
+ self.assertEqual(result.asList(), [[1, 4], [2, 4]], "failed to properly process conditions")
|
|||
|
|
+
|
|||
|
|
+ rangeParser = (numParser("from_") + Suppress('-') + numParser("to"))
|
|||
|
|
+ rangeParser.addCondition(lambda t: t.to > t.from_, message="from must be <= to", fatal=True)
|
|||
|
|
+ try:
|
|||
|
|
+ result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10")
|
|||
|
|
+ self.assertTrue(False, "failed to interrupt parsing on fatal condition failure")
|
|||
|
|
+ except ParseFatalException:
|
|||
|
|
+ print_("detected fatal condition")
|
|||
|
|
+
|
|||
|
|
+class PatientOrTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ # Two expressions and a input string which could - syntactically - be matched against
|
|||
|
|
+ # both expressions. The "Literal" expression is considered invalid though, so this PE
|
|||
|
|
+ # should always detect the "Word" expression.
|
|||
|
|
+ def validate(token):
|
|||
|
|
+ if token[0] == "def":
|
|||
|
|
+ raise pp.ParseException("signalling invalid token")
|
|||
|
|
+ return token
|
|||
|
|
+
|
|||
|
|
+ a = pp.Word("de").setName("Word")#.setDebug()
|
|||
|
|
+ b = pp.Literal("def").setName("Literal").setParseAction(validate)#.setDebug()
|
|||
|
|
+ c = pp.Literal("d").setName("d")#.setDebug()
|
|||
|
|
+
|
|||
|
|
+ # The "Literal" expressions's ParseAction is not executed directly after syntactically
|
|||
|
|
+ # detecting the "Literal" Expression but only after the Or-decision has been made
|
|||
|
|
+ # (which is too late)...
|
|||
|
|
+ try:
|
|||
|
|
+ result = (a ^ b ^ c).parseString("def")
|
|||
|
|
+ self.assertEqual(result.asList(), ['de'], "failed to select longest match, chose %s" % result)
|
|||
|
|
+ except ParseException:
|
|||
|
|
+ failed = True
|
|||
|
|
+ else:
|
|||
|
|
+ failed = False
|
|||
|
|
+ self.assertFalse(failed, "invalid logic in Or, fails on longest match with exception in parse action")
|
|||
|
|
+
|
|||
|
|
+class EachWithOptionalWithResultsNameTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Optional
|
|||
|
|
+
|
|||
|
|
+ result = (Optional('foo')('one') & Optional('bar')('two')).parseString('bar foo')
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertEqual(sorted(result.keys()), ['one','two'])
|
|||
|
|
+
|
|||
|
|
+class UnicodeExpressionTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Literal, ParseException
|
|||
|
|
+
|
|||
|
|
+ z = 'a' | Literal(u'\u1111')
|
|||
|
|
+ z.streamline()
|
|||
|
|
+ try:
|
|||
|
|
+ z.parseString('b')
|
|||
|
|
+ except ParseException as pe:
|
|||
|
|
+ if not PY_3:
|
|||
|
|
+ self.assertEqual(pe.msg, r'''Expected {"a" | "\u1111"}''',
|
|||
|
|
+ "Invalid error message raised, got %r" % pe.msg)
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertEqual(pe.msg, r'''Expected {"a" | "ᄑ"}''',
|
|||
|
|
+ "Invalid error message raised, got %r" % pe.msg)
|
|||
|
|
+
|
|||
|
|
+class SetNameTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import (oneOf,infixNotation,Word,nums,opAssoc,delimitedList,countedArray,
|
|||
|
|
+ nestedExpr,makeHTMLTags,anyOpenTag,anyCloseTag,commonHTMLEntity,replaceHTMLEntity)
|
|||
|
|
+
|
|||
|
|
+ a = oneOf("a b c")
|
|||
|
|
+ b = oneOf("d e f")
|
|||
|
|
+ arith_expr = infixNotation(Word(nums),
|
|||
|
|
+ [
|
|||
|
|
+ (oneOf('* /'),2,opAssoc.LEFT),
|
|||
|
|
+ (oneOf('+ -'),2,opAssoc.LEFT),
|
|||
|
|
+ ])
|
|||
|
|
+ arith_expr2 = infixNotation(Word(nums),
|
|||
|
|
+ [
|
|||
|
|
+ (('?',':'),3,opAssoc.LEFT),
|
|||
|
|
+ ])
|
|||
|
|
+
|
|||
|
|
+ tests = [
|
|||
|
|
+ a,
|
|||
|
|
+ b,
|
|||
|
|
+ (a | b),
|
|||
|
|
+ arith_expr,
|
|||
|
|
+ arith_expr.expr,
|
|||
|
|
+ arith_expr2,
|
|||
|
|
+ arith_expr2.expr,
|
|||
|
|
+ delimitedList(Word(nums).setName("int")),
|
|||
|
|
+ countedArray(Word(nums).setName("int")),
|
|||
|
|
+ nestedExpr(),
|
|||
|
|
+ makeHTMLTags('Z'),
|
|||
|
|
+ (anyOpenTag,anyCloseTag),
|
|||
|
|
+ commonHTMLEntity,
|
|||
|
|
+ commonHTMLEntity.setParseAction(replaceHTMLEntity).transformString("lsdjkf <lsdjkf>&'"&xyzzy;"),
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ expected = map(str.strip, """\
|
|||
|
|
+ a | b | c
|
|||
|
|
+ d | e | f
|
|||
|
|
+ {a | b | c | d | e | f}
|
|||
|
|
+ Forward: ...
|
|||
|
|
+ + | - term
|
|||
|
|
+ Forward: ...
|
|||
|
|
+ ?: term
|
|||
|
|
+ int [, int]...
|
|||
|
|
+ (len) int...
|
|||
|
|
+ nested () expression
|
|||
|
|
+ (<Z>, </Z>)
|
|||
|
|
+ (<any tag>, </any tag>)
|
|||
|
|
+ common HTML entity
|
|||
|
|
+ lsdjkf <lsdjkf>&'"&xyzzy;""".splitlines())
|
|||
|
|
+
|
|||
|
|
+ for t,e in zip(tests, expected):
|
|||
|
|
+ tname = str(t)
|
|||
|
|
+ self.assertEqual(tname, e, "expression name mismatch, expected {} got {}".format(e, tname))
|
|||
|
|
+
|
|||
|
|
+class TrimArityExceptionMaskingTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word
|
|||
|
|
+
|
|||
|
|
+ invalid_message = [
|
|||
|
|
+ "<lambda>() takes exactly 1 argument (0 given)",
|
|||
|
|
+ "<lambda>() missing 1 required positional argument: 't'"
|
|||
|
|
+ ][PY_3]
|
|||
|
|
+ try:
|
|||
|
|
+ Word('a').setParseAction(lambda t: t[0]+1).parseString('aaa')
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ exc_msg = str(e)
|
|||
|
|
+ self.assertNotEqual(exc_msg, invalid_message, "failed to catch TypeError thrown in _trim_arity")
|
|||
|
|
+
|
|||
|
|
+class TrimArityExceptionMaskingTest2(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ # construct deep call tree
|
|||
|
|
+ def A():
|
|||
|
|
+ import traceback
|
|||
|
|
+
|
|||
|
|
+ traceback.print_stack(limit=2)
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Word
|
|||
|
|
+
|
|||
|
|
+ invalid_message = [
|
|||
|
|
+ "<lambda>() takes exactly 1 argument (0 given)",
|
|||
|
|
+ "<lambda>() missing 1 required positional argument: 't'"
|
|||
|
|
+ ][PY_3]
|
|||
|
|
+ try:
|
|||
|
|
+ Word('a').setParseAction(lambda t: t[0]+1).parseString('aaa')
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ exc_msg = str(e)
|
|||
|
|
+ self.assertNotEqual(exc_msg, invalid_message, "failed to catch TypeError thrown in _trim_arity")
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+ def B():
|
|||
|
|
+ A()
|
|||
|
|
+
|
|||
|
|
+ def C():
|
|||
|
|
+ B()
|
|||
|
|
+
|
|||
|
|
+ def D():
|
|||
|
|
+ C()
|
|||
|
|
+
|
|||
|
|
+ def E():
|
|||
|
|
+ D()
|
|||
|
|
+
|
|||
|
|
+ def F():
|
|||
|
|
+ E()
|
|||
|
|
+
|
|||
|
|
+ def G():
|
|||
|
|
+ F()
|
|||
|
|
+
|
|||
|
|
+ def H():
|
|||
|
|
+ G()
|
|||
|
|
+
|
|||
|
|
+ def J():
|
|||
|
|
+ H()
|
|||
|
|
+
|
|||
|
|
+ def K():
|
|||
|
|
+ J()
|
|||
|
|
+
|
|||
|
|
+ K()
|
|||
|
|
+
|
|||
|
|
+class OneOrMoreStopTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import (Word, OneOrMore, alphas, Keyword, CaselessKeyword,
|
|||
|
|
+ nums, alphanums)
|
|||
|
|
+
|
|||
|
|
+ test = "BEGIN aaa bbb ccc END"
|
|||
|
|
+ BEGIN,END = map(Keyword, "BEGIN,END".split(','))
|
|||
|
|
+ body_word = Word(alphas).setName("word")
|
|||
|
|
+ for ender in (END, "END", CaselessKeyword("END")):
|
|||
|
|
+ expr = BEGIN + OneOrMore(body_word, stopOn=ender) + END
|
|||
|
|
+ self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender)
|
|||
|
|
+
|
|||
|
|
+ number = Word(nums+',.()').setName("number with optional commas")
|
|||
|
|
+ parser= (OneOrMore(Word(alphanums+'-/.'), stopOn=number)('id').setParseAction(' '.join)
|
|||
|
|
+ + number('data'))
|
|||
|
|
+ result = parser.parseString(' XXX Y/123 1,234.567890')
|
|||
|
|
+ self.assertEqual(result.asList(), ['XXX Y/123', '1,234.567890'],
|
|||
|
|
+ "Did not successfully stop on ending expression %r" % number)
|
|||
|
|
+
|
|||
|
|
+class ZeroOrMoreStopTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import (Word, ZeroOrMore, alphas, Keyword, CaselessKeyword)
|
|||
|
|
+
|
|||
|
|
+ test = "BEGIN END"
|
|||
|
|
+ BEGIN,END = map(Keyword, "BEGIN,END".split(','))
|
|||
|
|
+ body_word = Word(alphas).setName("word")
|
|||
|
|
+ for ender in (END, "END", CaselessKeyword("END")):
|
|||
|
|
+ expr = BEGIN + ZeroOrMore(body_word, stopOn=ender) + END
|
|||
|
|
+ self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender)
|
|||
|
|
+
|
|||
|
|
+class NestedAsDictTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Literal, Forward, alphanums, Group, delimitedList, Dict, Word, Optional
|
|||
|
|
+
|
|||
|
|
+ equals = Literal("=").suppress()
|
|||
|
|
+ lbracket = Literal("[").suppress()
|
|||
|
|
+ rbracket = Literal("]").suppress()
|
|||
|
|
+ lbrace = Literal("{").suppress()
|
|||
|
|
+ rbrace = Literal("}").suppress()
|
|||
|
|
+
|
|||
|
|
+ value_dict = Forward()
|
|||
|
|
+ value_list = Forward()
|
|||
|
|
+ value_string = Word(alphanums + "@. ")
|
|||
|
|
+
|
|||
|
|
+ value = value_list ^ value_dict ^ value_string
|
|||
|
|
+ values = Group(delimitedList(value, ","))
|
|||
|
|
+ #~ values = delimitedList(value, ",").setParseAction(lambda toks: [toks.asList()])
|
|||
|
|
+
|
|||
|
|
+ value_list << lbracket + values + rbracket
|
|||
|
|
+
|
|||
|
|
+ identifier = Word(alphanums + "_.")
|
|||
|
|
+
|
|||
|
|
+ assignment = Group(identifier + equals + Optional(value))
|
|||
|
|
+ assignments = Dict(delimitedList(assignment, ';'))
|
|||
|
|
+ value_dict << lbrace + assignments + rbrace
|
|||
|
|
+
|
|||
|
|
+ response = assignments
|
|||
|
|
+
|
|||
|
|
+ rsp = 'username=goat; errors={username=[already taken, too short]}; empty_field='
|
|||
|
|
+ result_dict = response.parseString(rsp).asDict()
|
|||
|
|
+ print_(result_dict)
|
|||
|
|
+ self.assertEqual(result_dict['username'], 'goat', "failed to process string in ParseResults correctly")
|
|||
|
|
+ self.assertEqual(result_dict['errors']['username'], ['already taken', 'too short'],
|
|||
|
|
+ "failed to process nested ParseResults correctly")
|
|||
|
|
+
|
|||
|
|
+class TraceParseActionDecoratorTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import traceParseAction, Word, nums
|
|||
|
|
+
|
|||
|
|
+ @traceParseAction
|
|||
|
|
+ def convert_to_int(t):
|
|||
|
|
+ return int(t[0])
|
|||
|
|
+
|
|||
|
|
+ class Z(object):
|
|||
|
|
+ def __call__(self, other):
|
|||
|
|
+ return other[0] * 1000
|
|||
|
|
+
|
|||
|
|
+ integer = Word(nums).addParseAction(convert_to_int)
|
|||
|
|
+ integer.addParseAction(traceParseAction(lambda t: t[0]*10))
|
|||
|
|
+ integer.addParseAction(traceParseAction(Z()))
|
|||
|
|
+ integer.parseString("132")
|
|||
|
|
+
|
|||
|
|
+class RunTestsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import Word, nums, delimitedList
|
|||
|
|
+
|
|||
|
|
+ integer = Word(nums).setParseAction(lambda t : int(t[0]))
|
|||
|
|
+ intrange = integer("start") + '-' + integer("end")
|
|||
|
|
+ intrange.addCondition(lambda t: t.end > t.start, message="invalid range, start must be <= end", fatal=True)
|
|||
|
|
+ intrange.addParseAction(lambda t: list(range(t.start, t.end+1)))
|
|||
|
|
+
|
|||
|
|
+ indices = delimitedList(intrange | integer)
|
|||
|
|
+ indices.addParseAction(lambda t: sorted(set(t)))
|
|||
|
|
+
|
|||
|
|
+ tests = """\
|
|||
|
|
+ # normal data
|
|||
|
|
+ 1-3,2-4,6,8-10,16
|
|||
|
|
+
|
|||
|
|
+ # lone integer
|
|||
|
|
+ 11"""
|
|||
|
|
+ results = indices.runTests(tests, printResults=False)[1]
|
|||
|
|
+
|
|||
|
|
+ expectedResults = [
|
|||
|
|
+ [1, 2, 3, 4, 6, 8, 9, 10, 16],
|
|||
|
|
+ [11],
|
|||
|
|
+ ]
|
|||
|
|
+ for res, expected in zip(results, expectedResults):
|
|||
|
|
+ print_(res[1].asList())
|
|||
|
|
+ print_(expected)
|
|||
|
|
+ self.assertEqual(res[1].asList(), expected, "failed test: " + str(expected))
|
|||
|
|
+
|
|||
|
|
+ tests = """\
|
|||
|
|
+ # invalid range
|
|||
|
|
+ 1-2, 3-1, 4-6, 7, 12
|
|||
|
|
+ """
|
|||
|
|
+ success = indices.runTests(tests, printResults=False, failureTests=True)[0]
|
|||
|
|
+ self.assertTrue(success, "failed to raise exception on improper range test")
|
|||
|
|
+
|
|||
|
|
+class RunTestsPostParseTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ integer = pp.pyparsing_common.integer
|
|||
|
|
+ fraction = integer('numerator') + '/' + integer('denominator')
|
|||
|
|
+
|
|||
|
|
+ accum = []
|
|||
|
|
+ def eval_fraction(test, result):
|
|||
|
|
+ accum.append((test, result.asList()))
|
|||
|
|
+ return "eval: {}".format(result.numerator / result.denominator)
|
|||
|
|
+
|
|||
|
|
+ success = fraction.runTests("""\
|
|||
|
|
+ 1/2
|
|||
|
|
+ 1/0
|
|||
|
|
+ """, postParse=eval_fraction)[0]
|
|||
|
|
+ print_(success)
|
|||
|
|
+
|
|||
|
|
+ self.assertTrue(success, "failed to parse fractions in RunTestsPostParse")
|
|||
|
|
+
|
|||
|
|
+ expected_accum = [('1/2', [1, '/', 2]), ('1/0', [1, '/', 0])]
|
|||
|
|
+ self.assertEqual(accum, expected_accum, "failed to call postParse method during runTests")
|
|||
|
|
+
|
|||
|
|
+class CommonExpressionsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import pyparsing_common
|
|||
|
|
+ import ast
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.mac_address.runTests("""
|
|||
|
|
+ AA:BB:CC:DD:EE:FF
|
|||
|
|
+ AA.BB.CC.DD.EE.FF
|
|||
|
|
+ AA-BB-CC-DD-EE-FF
|
|||
|
|
+ """)[0]
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid MAC address")
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.mac_address.runTests("""
|
|||
|
|
+ # mixed delimiters
|
|||
|
|
+ AA.BB:CC:DD:EE:FF
|
|||
|
|
+ """, failureTests=True)[0]
|
|||
|
|
+ self.assertTrue( success, "error in detecting invalid mac address")
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.ipv4_address.runTests("""
|
|||
|
|
+ 0.0.0.0
|
|||
|
|
+ 1.1.1.1
|
|||
|
|
+ 127.0.0.1
|
|||
|
|
+ 1.10.100.199
|
|||
|
|
+ 255.255.255.255
|
|||
|
|
+ """)[0]
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid IPv4 address")
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.ipv4_address.runTests("""
|
|||
|
|
+ # out of range value
|
|||
|
|
+ 256.255.255.255
|
|||
|
|
+ """, failureTests=True)[0]
|
|||
|
|
+ self.assertTrue(success, "error in detecting invalid IPv4 address")
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.ipv6_address.runTests("""
|
|||
|
|
+ 2001:0db8:85a3:0000:0000:8a2e:0370:7334
|
|||
|
|
+ 2134::1234:4567:2468:1236:2444:2106
|
|||
|
|
+ 0:0:0:0:0:0:A00:1
|
|||
|
|
+ 1080::8:800:200C:417A
|
|||
|
|
+ ::A00:1
|
|||
|
|
+
|
|||
|
|
+ # loopback address
|
|||
|
|
+ ::1
|
|||
|
|
+
|
|||
|
|
+ # the null address
|
|||
|
|
+ ::
|
|||
|
|
+
|
|||
|
|
+ # ipv4 compatibility form
|
|||
|
|
+ ::ffff:192.168.0.1
|
|||
|
|
+ """)[0]
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid IPv6 address")
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.ipv6_address.runTests("""
|
|||
|
|
+ # too few values
|
|||
|
|
+ 1080:0:0:0:8:800:200C
|
|||
|
|
+
|
|||
|
|
+ # too many ::'s, only 1 allowed
|
|||
|
|
+ 2134::1234:4567::2444:2106
|
|||
|
|
+ """, failureTests=True)[0]
|
|||
|
|
+ self.assertTrue(success, "error in detecting invalid IPv6 address")
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.number.runTests("""
|
|||
|
|
+ 100
|
|||
|
|
+ -100
|
|||
|
|
+ +100
|
|||
|
|
+ 3.14159
|
|||
|
|
+ 6.02e23
|
|||
|
|
+ 1e-12
|
|||
|
|
+ """)[0]
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid numerics")
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.sci_real.runTests("""
|
|||
|
|
+ 1e12
|
|||
|
|
+ -1e12
|
|||
|
|
+ 3.14159
|
|||
|
|
+ 6.02e23
|
|||
|
|
+ """)[0]
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid scientific notation reals")
|
|||
|
|
+
|
|||
|
|
+ # any int or real number, returned as float
|
|||
|
|
+ success = pyparsing_common.fnumber.runTests("""
|
|||
|
|
+ 100
|
|||
|
|
+ -100
|
|||
|
|
+ +100
|
|||
|
|
+ 3.14159
|
|||
|
|
+ 6.02e23
|
|||
|
|
+ 1e-12
|
|||
|
|
+ """)[0]
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid numerics")
|
|||
|
|
+
|
|||
|
|
+ success, results = pyparsing_common.iso8601_date.runTests("""
|
|||
|
|
+ 1997
|
|||
|
|
+ 1997-07
|
|||
|
|
+ 1997-07-16
|
|||
|
|
+ """)
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid iso8601_date")
|
|||
|
|
+ expected = [
|
|||
|
|
+ ('1997', None, None),
|
|||
|
|
+ ('1997', '07', None),
|
|||
|
|
+ ('1997', '07', '16'),
|
|||
|
|
+ ]
|
|||
|
|
+ for r,exp in zip(results, expected):
|
|||
|
|
+ self.assertTrue((r[1].year,r[1].month,r[1].day,) == exp, "failed to parse date into fields")
|
|||
|
|
+
|
|||
|
|
+ success, results = pyparsing_common.iso8601_date().addParseAction(pyparsing_common.convertToDate()).runTests("""
|
|||
|
|
+ 1997-07-16
|
|||
|
|
+ """)
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid iso8601_date with parse action")
|
|||
|
|
+ self.assertTrue(results[0][1][0] == datetime.date(1997, 7, 16))
|
|||
|
|
+
|
|||
|
|
+ success, results = pyparsing_common.iso8601_datetime.runTests("""
|
|||
|
|
+ 1997-07-16T19:20+01:00
|
|||
|
|
+ 1997-07-16T19:20:30+01:00
|
|||
|
|
+ 1997-07-16T19:20:30.45Z
|
|||
|
|
+ 1997-07-16 19:20:30.45
|
|||
|
|
+ """)
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid iso8601_datetime")
|
|||
|
|
+
|
|||
|
|
+ success, results = pyparsing_common.iso8601_datetime().addParseAction(pyparsing_common.convertToDatetime()).runTests("""
|
|||
|
|
+ 1997-07-16T19:20:30.45
|
|||
|
|
+ """)
|
|||
|
|
+ self.assertTrue(success, "error in parsing valid iso8601_datetime")
|
|||
|
|
+ self.assertTrue(results[0][1][0] == datetime.datetime(1997, 7, 16, 19, 20, 30, 450000))
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.uuid.runTests("""
|
|||
|
|
+ 123e4567-e89b-12d3-a456-426655440000
|
|||
|
|
+ """)[0]
|
|||
|
|
+ self.assertTrue(success, "failed to parse valid uuid")
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.fraction.runTests("""
|
|||
|
|
+ 1/2
|
|||
|
|
+ -15/16
|
|||
|
|
+ -3/-4
|
|||
|
|
+ """)[0]
|
|||
|
|
+ self.assertTrue(success, "failed to parse valid fraction")
|
|||
|
|
+
|
|||
|
|
+ success = pyparsing_common.mixed_integer.runTests("""
|
|||
|
|
+ 1/2
|
|||
|
|
+ -15/16
|
|||
|
|
+ -3/-4
|
|||
|
|
+ 1 1/2
|
|||
|
|
+ 2 -15/16
|
|||
|
|
+ 0 -3/-4
|
|||
|
|
+ 12
|
|||
|
|
+ """)[0]
|
|||
|
|
+ self.assertTrue(success, "failed to parse valid mixed integer")
|
|||
|
|
+
|
|||
|
|
+ success, results = pyparsing_common.number.runTests("""
|
|||
|
|
+ 100
|
|||
|
|
+ -3
|
|||
|
|
+ 1.732
|
|||
|
|
+ -3.14159
|
|||
|
|
+ 6.02e23""")
|
|||
|
|
+ self.assertTrue(success, "failed to parse numerics")
|
|||
|
|
+
|
|||
|
|
+ for test,result in results:
|
|||
|
|
+ expected = ast.literal_eval(test)
|
|||
|
|
+ self.assertEqual(result[0], expected, "numeric parse failed (wrong value) (%s should be %s)" % (result[0], expected))
|
|||
|
|
+ self.assertEqual(type(result[0]), type(expected), "numeric parse failed (wrong type) (%s should be %s)" % (type(result[0]), type(expected)))
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class TokenMapTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import tokenMap, Word, hexnums, OneOrMore
|
|||
|
|
+
|
|||
|
|
+ parser = OneOrMore(Word(hexnums)).setParseAction(tokenMap(int, 16))
|
|||
|
|
+ success, results = parser.runTests("""
|
|||
|
|
+ 00 11 22 aa FF 0a 0d 1a
|
|||
|
|
+ """, printResults=False)
|
|||
|
|
+ self.assertTrue(success, "failed to parse hex integers")
|
|||
|
|
+ print_(results)
|
|||
|
|
+ self.assertEqual(results[0][-1].asList(), [0, 17, 34, 170, 255, 10, 13, 26], "tokenMap parse action failed")
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class ParseFileTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import pyparsing_common, OneOrMore
|
|||
|
|
+ s = """
|
|||
|
|
+ 123 456 789
|
|||
|
|
+ """
|
|||
|
|
+ input_file = StringIO(s)
|
|||
|
|
+ integer = pyparsing_common.integer
|
|||
|
|
+
|
|||
|
|
+ results = OneOrMore(integer).parseFile(input_file)
|
|||
|
|
+ print_(results)
|
|||
|
|
+
|
|||
|
|
+ results = OneOrMore(integer).parseFile('test/parsefiletest_input_file.txt')
|
|||
|
|
+ print_(results)
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class HTMLStripperTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ from pyparsing import pyparsing_common, originalTextFor, OneOrMore, Word, printables
|
|||
|
|
+
|
|||
|
|
+ sample = """
|
|||
|
|
+ <html>
|
|||
|
|
+ Here is some sample <i>HTML</i> text.
|
|||
|
|
+ </html>
|
|||
|
|
+ """
|
|||
|
|
+ read_everything = originalTextFor(OneOrMore(Word(printables)))
|
|||
|
|
+ read_everything.addParseAction(pyparsing_common.stripHTMLTags)
|
|||
|
|
+
|
|||
|
|
+ result = read_everything.parseString(sample)
|
|||
|
|
+ self.assertEqual(result[0].strip(), 'Here is some sample HTML text.')
|
|||
|
|
+
|
|||
|
|
+class ExprSplitterTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Literal, quotedString, pythonStyleComment, Empty
|
|||
|
|
+
|
|||
|
|
+ expr = Literal(';') + Empty()
|
|||
|
|
+ expr.ignore(quotedString)
|
|||
|
|
+ expr.ignore(pythonStyleComment)
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+ sample = """
|
|||
|
|
+ def main():
|
|||
|
|
+ this_semi_does_nothing();
|
|||
|
|
+ neither_does_this_but_there_are_spaces_afterward();
|
|||
|
|
+ a = "a;b"; return a # this is a comment; it has a semicolon!
|
|||
|
|
+
|
|||
|
|
+ def b():
|
|||
|
|
+ if False:
|
|||
|
|
+ z=1000;b("; in quotes"); c=200;return z
|
|||
|
|
+ return ';'
|
|||
|
|
+
|
|||
|
|
+ class Foo(object):
|
|||
|
|
+ def bar(self):
|
|||
|
|
+ '''a docstring; with a semicolon'''
|
|||
|
|
+ a = 10; b = 11; c = 12
|
|||
|
|
+
|
|||
|
|
+ # this comment; has several; semicolons
|
|||
|
|
+ if self.spam:
|
|||
|
|
+ x = 12; return x # so; does; this; one
|
|||
|
|
+ x = 15;;; y += x; return y
|
|||
|
|
+
|
|||
|
|
+ def baz(self):
|
|||
|
|
+ return self.bar
|
|||
|
|
+ """
|
|||
|
|
+ expected = [
|
|||
|
|
+ [' this_semi_does_nothing()', ''],
|
|||
|
|
+ [' neither_does_this_but_there_are_spaces_afterward()', ''],
|
|||
|
|
+ [' a = "a;b"', 'return a # this is a comment; it has a semicolon!'],
|
|||
|
|
+ [' z=1000', 'b("; in quotes")', 'c=200', 'return z'],
|
|||
|
|
+ [" return ';'"],
|
|||
|
|
+ [" '''a docstring; with a semicolon'''"],
|
|||
|
|
+ [' a = 10', 'b = 11', 'c = 12'],
|
|||
|
|
+ [' # this comment; has several; semicolons'],
|
|||
|
|
+ [' x = 12', 'return x # so; does; this; one'],
|
|||
|
|
+ [' x = 15', '', '', 'y += x', 'return y'],
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ exp_iter = iter(expected)
|
|||
|
|
+ for line in filter(lambda ll: ';' in ll, sample.splitlines()):
|
|||
|
|
+ print_(str(list(expr.split(line)))+',')
|
|||
|
|
+ self.assertEqual(list(expr.split(line)), next(exp_iter), "invalid split on expression")
|
|||
|
|
+
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+ expected = [
|
|||
|
|
+ [' this_semi_does_nothing()', ';', ''],
|
|||
|
|
+ [' neither_does_this_but_there_are_spaces_afterward()', ';', ''],
|
|||
|
|
+ [' a = "a;b"', ';', 'return a # this is a comment; it has a semicolon!'],
|
|||
|
|
+ [' z=1000', ';', 'b("; in quotes")', ';', 'c=200', ';', 'return z'],
|
|||
|
|
+ [" return ';'"],
|
|||
|
|
+ [" '''a docstring; with a semicolon'''"],
|
|||
|
|
+ [' a = 10', ';', 'b = 11', ';', 'c = 12'],
|
|||
|
|
+ [' # this comment; has several; semicolons'],
|
|||
|
|
+ [' x = 12', ';', 'return x # so; does; this; one'],
|
|||
|
|
+ [' x = 15', ';', '', ';', '', ';', 'y += x', ';', 'return y'],
|
|||
|
|
+ ]
|
|||
|
|
+ exp_iter = iter(expected)
|
|||
|
|
+ for line in filter(lambda ll: ';' in ll, sample.splitlines()):
|
|||
|
|
+ print_(str(list(expr.split(line, includeSeparators=True)))+',')
|
|||
|
|
+ self.assertEqual(list(expr.split(line, includeSeparators=True)), next(exp_iter),
|
|||
|
|
+ "invalid split on expression")
|
|||
|
|
+
|
|||
|
|
+ print_()
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+ expected = [
|
|||
|
|
+ [' this_semi_does_nothing()', ''],
|
|||
|
|
+ [' neither_does_this_but_there_are_spaces_afterward()', ''],
|
|||
|
|
+ [' a = "a;b"', 'return a # this is a comment; it has a semicolon!'],
|
|||
|
|
+ [' z=1000', 'b("; in quotes"); c=200;return z'],
|
|||
|
|
+ [' a = 10', 'b = 11; c = 12'],
|
|||
|
|
+ [' x = 12', 'return x # so; does; this; one'],
|
|||
|
|
+ [' x = 15', ';; y += x; return y'],
|
|||
|
|
+ ]
|
|||
|
|
+ exp_iter = iter(expected)
|
|||
|
|
+ for line in sample.splitlines():
|
|||
|
|
+ pieces = list(expr.split(line, maxsplit=1))
|
|||
|
|
+ print_(str(pieces)+',')
|
|||
|
|
+ if len(pieces) == 2:
|
|||
|
|
+ exp = next(exp_iter)
|
|||
|
|
+ self.assertEqual(pieces, exp, "invalid split on expression with maxSplits=1")
|
|||
|
|
+ elif len(pieces) == 1:
|
|||
|
|
+ self.assertEqual(len(expr.searchString(line)), 0, "invalid split with maxSplits=1 when expr not present")
|
|||
|
|
+ else:
|
|||
|
|
+ print_("\n>>> " + line)
|
|||
|
|
+ self.assertTrue(False, "invalid split on expression with maxSplits=1, corner case")
|
|||
|
|
+
|
|||
|
|
+class ParseFatalExceptionTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Word, nums, ParseFatalException
|
|||
|
|
+
|
|||
|
|
+ success = False
|
|||
|
|
+ try:
|
|||
|
|
+ expr = "ZZZ" - Word(nums)
|
|||
|
|
+ expr.parseString("ZZZ bad")
|
|||
|
|
+ except ParseFatalException as pfe:
|
|||
|
|
+ print_('ParseFatalException raised correctly')
|
|||
|
|
+ success = True
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ print_(type(e))
|
|||
|
|
+ print_(e)
|
|||
|
|
+
|
|||
|
|
+ self.assertTrue(success, "bad handling of syntax error")
|
|||
|
|
+
|
|||
|
|
+class InlineLiteralsUsingTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import ParserElement, Suppress, Literal, CaselessLiteral, Word, alphas, oneOf, CaselessKeyword, nums
|
|||
|
|
+
|
|||
|
|
+ with AutoReset(ParserElement, "_literalStringClass"):
|
|||
|
|
+ ParserElement.inlineLiteralsUsing(Suppress)
|
|||
|
|
+ wd = Word(alphas)
|
|||
|
|
+ result = (wd + ',' + wd + oneOf("! . ?")).parseString("Hello, World!")
|
|||
|
|
+ self.assertEqual(len(result), 3, "inlineLiteralsUsing(Suppress) failed!")
|
|||
|
|
+
|
|||
|
|
+ ParserElement.inlineLiteralsUsing(Literal)
|
|||
|
|
+ result = (wd + ',' + wd + oneOf("! . ?")).parseString("Hello, World!")
|
|||
|
|
+ self.assertEqual(len(result), 4, "inlineLiteralsUsing(Literal) failed!")
|
|||
|
|
+
|
|||
|
|
+ ParserElement.inlineLiteralsUsing(CaselessKeyword)
|
|||
|
|
+ result = ("SELECT" + wd + "FROM" + wd).parseString("select color from colors")
|
|||
|
|
+ self.assertEqual(result.asList(), "SELECT color FROM colors".split(),
|
|||
|
|
+ "inlineLiteralsUsing(CaselessKeyword) failed!")
|
|||
|
|
+
|
|||
|
|
+ ParserElement.inlineLiteralsUsing(CaselessLiteral)
|
|||
|
|
+ result = ("SELECT" + wd + "FROM" + wd).parseString("select color from colors")
|
|||
|
|
+ self.assertEqual(result.asList(), "SELECT color FROM colors".split(),
|
|||
|
|
+ "inlineLiteralsUsing(CaselessLiteral) failed!")
|
|||
|
|
+
|
|||
|
|
+ integer = Word(nums)
|
|||
|
|
+ ParserElement.inlineLiteralsUsing(Literal)
|
|||
|
|
+ date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
|
|||
|
|
+ result = date_str.parseString("1999/12/31")
|
|||
|
|
+ self.assertEqual(result.asList(), ['1999', '/', '12', '/', '31'], "inlineLiteralsUsing(example 1) failed!")
|
|||
|
|
+
|
|||
|
|
+ # change to Suppress
|
|||
|
|
+ ParserElement.inlineLiteralsUsing(Suppress)
|
|||
|
|
+ date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
|
|||
|
|
+
|
|||
|
|
+ result = date_str.parseString("1999/12/31") # -> ['1999', '12', '31']
|
|||
|
|
+ self.assertEqual(result.asList(), ['1999', '12', '31'], "inlineLiteralsUsing(example 2) failed!")
|
|||
|
|
+
|
|||
|
|
+class CloseMatchTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ searchseq = pp.CloseMatch("ATCATCGAATGGA", 2)
|
|||
|
|
+
|
|||
|
|
+ _, results = searchseq.runTests("""
|
|||
|
|
+ ATCATCGAATGGA
|
|||
|
|
+ XTCATCGAATGGX
|
|||
|
|
+ ATCATCGAAXGGA
|
|||
|
|
+ ATCAXXGAATGGA
|
|||
|
|
+ ATCAXXGAATGXA
|
|||
|
|
+ ATCAXXGAATGG
|
|||
|
|
+ """)
|
|||
|
|
+ expected = (
|
|||
|
|
+ [],
|
|||
|
|
+ [0,12],
|
|||
|
|
+ [9],
|
|||
|
|
+ [4,5],
|
|||
|
|
+ None,
|
|||
|
|
+ None
|
|||
|
|
+ )
|
|||
|
|
+
|
|||
|
|
+ for r, exp in zip(results, expected):
|
|||
|
|
+ if exp is not None:
|
|||
|
|
+ self.assertEquals(r[1].mismatches, exp,
|
|||
|
|
+ "fail CloseMatch between %r and %r" % (searchseq.match_string, r[0]))
|
|||
|
|
+ print_(r[0], 'exc: %s' % r[1] if exp is None and isinstance(r[1], Exception)
|
|||
|
|
+ else ("no match", "match")[r[1].mismatches == exp])
|
|||
|
|
+
|
|||
|
|
+class DefaultKeywordCharsTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ pp.Keyword("start").parseString("start1000")
|
|||
|
|
+ except pp.ParseException:
|
|||
|
|
+ pass
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertTrue(False, "failed to fail on default keyword chars")
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ pp.Keyword("start", identChars=pp.alphas).parseString("start1000")
|
|||
|
|
+ except pp.ParseException:
|
|||
|
|
+ self.assertTrue(False, "failed to match keyword using updated keyword chars")
|
|||
|
|
+ else:
|
|||
|
|
+ pass
|
|||
|
|
+
|
|||
|
|
+ with AutoReset(pp.Keyword, "DEFAULT_KEYWORD_CHARS"):
|
|||
|
|
+ pp.Keyword.setDefaultKeywordChars(pp.alphas)
|
|||
|
|
+ try:
|
|||
|
|
+ pp.Keyword("start").parseString("start1000")
|
|||
|
|
+ except pp.ParseException:
|
|||
|
|
+ self.assertTrue(False, "failed to match keyword using updated keyword chars")
|
|||
|
|
+ else:
|
|||
|
|
+ pass
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ pp.CaselessKeyword("START").parseString("start1000")
|
|||
|
|
+ except pp.ParseException:
|
|||
|
|
+ pass
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertTrue(False, "failed to fail on default keyword chars")
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ pp.CaselessKeyword("START", identChars=pp.alphas).parseString("start1000")
|
|||
|
|
+ except pp.ParseException:
|
|||
|
|
+ self.assertTrue(False, "failed to match keyword using updated keyword chars")
|
|||
|
|
+ else:
|
|||
|
|
+ pass
|
|||
|
|
+
|
|||
|
|
+ with AutoReset(pp.Keyword, "DEFAULT_KEYWORD_CHARS"):
|
|||
|
|
+ pp.Keyword.setDefaultKeywordChars(pp.alphas)
|
|||
|
|
+ try:
|
|||
|
|
+ pp.CaselessKeyword("START").parseString("start1000")
|
|||
|
|
+ except pp.ParseException:
|
|||
|
|
+ self.assertTrue(False, "failed to match keyword using updated keyword chars")
|
|||
|
|
+ else:
|
|||
|
|
+ pass
|
|||
|
|
+
|
|||
|
|
+class ColTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ test = "*\n* \n* ALF\n*\n"
|
|||
|
|
+ initials = [c for i, c in enumerate(test) if pp.col(i, test) == 1]
|
|||
|
|
+ print_(initials)
|
|||
|
|
+ self.assertTrue(len(initials) == 4 and all(c=='*' for c in initials), 'fail col test')
|
|||
|
|
+
|
|||
|
|
+class LiteralExceptionTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ for cls in (pp.Literal, pp.CaselessLiteral, pp.Keyword, pp.CaselessKeyword,
|
|||
|
|
+ pp.Word, pp.Regex):
|
|||
|
|
+ expr = cls('xyz')#.setName('{}_expr'.format(cls.__name__.lower()))
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ expr.parseString(' ')
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ print_(cls.__name__, str(e))
|
|||
|
|
+ self.assertTrue(isinstance(e, pp.ParseBaseException),
|
|||
|
|
+ "class {} raised wrong exception type {}".format(cls.__name__, type(e).__name__))
|
|||
|
|
+
|
|||
|
|
+class ParseActionExceptionTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+ import traceback
|
|||
|
|
+
|
|||
|
|
+ number = pp.Word(pp.nums)
|
|||
|
|
+ def number_action():
|
|||
|
|
+ raise IndexError # this is the important line!
|
|||
|
|
+
|
|||
|
|
+ number.setParseAction(number_action)
|
|||
|
|
+ symbol = pp.Word('abcd', max=1)
|
|||
|
|
+ expr = number | symbol
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ expr.parseString('1 + 2')
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ self.assertTrue(hasattr(e, '__cause__'), "no __cause__ attribute in the raised exception")
|
|||
|
|
+ self.assertTrue(e.__cause__ is not None, "__cause__ not propagated to outer exception")
|
|||
|
|
+ self.assertTrue(type(e.__cause__) == IndexError, "__cause__ references wrong exception")
|
|||
|
|
+ traceback.print_exc()
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertTrue(False, "Expected ParseException not raised")
|
|||
|
|
+
|
|||
|
|
+class ParseActionNestingTest(ParseTestCase):
|
|||
|
|
+ # tests Issue #22
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ vals = pp.OneOrMore(pp.pyparsing_common.integer)("int_values")
|
|||
|
|
+ def add_total(tokens):
|
|||
|
|
+ tokens['total'] = sum(tokens)
|
|||
|
|
+ return tokens
|
|||
|
|
+ vals.addParseAction(add_total)
|
|||
|
|
+ results = vals.parseString("244 23 13 2343")
|
|||
|
|
+ print_(results.dump())
|
|||
|
|
+ self.assertEqual(results.int_values.asDict(), {}, "noop parse action changed ParseResults structure")
|
|||
|
|
+
|
|||
|
|
+ name = pp.Word(pp.alphas)('name')
|
|||
|
|
+ score = pp.Word(pp.nums + '.')('score')
|
|||
|
|
+ nameScore = pp.Group(name + score)
|
|||
|
|
+ line1 = nameScore('Rider')
|
|||
|
|
+
|
|||
|
|
+ result1 = line1.parseString('Mauney 46.5')
|
|||
|
|
+
|
|||
|
|
+ print_("### before parse action is added ###")
|
|||
|
|
+ print_("result1.dump():\n" + result1.dump() + "\n")
|
|||
|
|
+ before_pa_dict = result1.asDict()
|
|||
|
|
+
|
|||
|
|
+ line1.setParseAction(lambda t: t)
|
|||
|
|
+
|
|||
|
|
+ result1 = line1.parseString('Mauney 46.5')
|
|||
|
|
+ after_pa_dict = result1.asDict()
|
|||
|
|
+
|
|||
|
|
+ print_("### after parse action was added ###")
|
|||
|
|
+ print_("result1.dump():\n" + result1.dump() + "\n")
|
|||
|
|
+ self.assertEqual(before_pa_dict, after_pa_dict, "noop parse action changed ParseResults structure")
|
|||
|
|
+
|
|||
|
|
+class ParseResultsNameBelowUngroupedNameTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ rule_num = pp.Regex("[0-9]+")("LIT_NUM*")
|
|||
|
|
+ list_num = pp.Group(pp.Literal("[")("START_LIST")
|
|||
|
|
+ + pp.delimitedList(rule_num)("LIST_VALUES")
|
|||
|
|
+ + pp.Literal("]")("END_LIST"))("LIST")
|
|||
|
|
+
|
|||
|
|
+ test_string = "[ 1,2,3,4,5,6 ]"
|
|||
|
|
+ list_num.runTests(test_string)
|
|||
|
|
+
|
|||
|
|
+ U = list_num.parseString(test_string)
|
|||
|
|
+ self.assertTrue("LIT_NUM" not in U.LIST.LIST_VALUES, "results name retained as sub in ungrouped named result")
|
|||
|
|
+
|
|||
|
|
+class ParseResultsNamesInGroupWithDictTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ key = pp.pyparsing_common.identifier()
|
|||
|
|
+ value = pp.pyparsing_common.integer()
|
|||
|
|
+ lat = pp.pyparsing_common.real()
|
|||
|
|
+ long = pp.pyparsing_common.real()
|
|||
|
|
+ EQ = pp.Suppress('=')
|
|||
|
|
+
|
|||
|
|
+ data = lat("lat") + long("long") + pp.Dict(pp.OneOrMore(pp.Group(key + EQ + value)))
|
|||
|
|
+ site = pp.QuotedString('"')("name") + pp.Group(data)("data")
|
|||
|
|
+
|
|||
|
|
+ test_string = '"Golden Gate Bridge" 37.819722 -122.478611 height=746 span=4200'
|
|||
|
|
+ site.runTests(test_string)
|
|||
|
|
+
|
|||
|
|
+ # U = list_num.parseString(test_string)
|
|||
|
|
+ # self.assertTrue("LIT_NUM" not in U.LIST.LIST_VALUES, "results name retained as sub in ungrouped named result")
|
|||
|
|
+
|
|||
|
|
+class FollowedByTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ expr = pp.Word(pp.alphas)("item") + pp.FollowedBy(pp.pyparsing_common.integer("qty"))
|
|||
|
|
+ result = expr.parseString("balloon 99")
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertTrue('qty' in result, "failed to capture results name in FollowedBy")
|
|||
|
|
+ self.assertEqual(result.asDict(), {'item': 'balloon', 'qty': 99},
|
|||
|
|
+ "invalid results name structure from FollowedBy")
|
|||
|
|
+
|
|||
|
|
+class SetBreakTest(ParseTestCase):
|
|||
|
|
+ """
|
|||
|
|
+ Test behavior of ParserElement.setBreak(), to invoke the debugger before parsing that element is attempted.
|
|||
|
|
+
|
|||
|
|
+ Temporarily monkeypatches pdb.set_trace.
|
|||
|
|
+ """
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ was_called = []
|
|||
|
|
+ def mock_set_trace():
|
|||
|
|
+ was_called.append(True)
|
|||
|
|
+
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+ wd = pp.Word(pp.alphas)
|
|||
|
|
+ wd.setBreak()
|
|||
|
|
+
|
|||
|
|
+ print_("Before parsing with setBreak:", was_called)
|
|||
|
|
+ import pdb
|
|||
|
|
+ with AutoReset(pdb, "set_trace"):
|
|||
|
|
+ pdb.set_trace = mock_set_trace
|
|||
|
|
+ wd.parseString("ABC")
|
|||
|
|
+
|
|||
|
|
+ print_("After parsing with setBreak:", was_called)
|
|||
|
|
+ self.assertTrue(bool(was_called), "set_trace wasn't called by setBreak")
|
|||
|
|
+
|
|||
|
|
+class UnicodeTests(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+ p_u = pp.pyparsing_unicode
|
|||
|
|
+
|
|||
|
|
+ # verify proper merging of ranges by addition
|
|||
|
|
+ kanji_printables = p_u.Japanese.Kanji.printables
|
|||
|
|
+ katakana_printables = p_u.Japanese.Katakana.printables
|
|||
|
|
+ hiragana_printables = p_u.Japanese.Hiragana.printables
|
|||
|
|
+ japanese_printables = p_u.Japanese.printables
|
|||
|
|
+ self.assertEqual(set(japanese_printables), set(kanji_printables
|
|||
|
|
+ + katakana_printables
|
|||
|
|
+ + hiragana_printables),
|
|||
|
|
+ "failed to construct ranges by merging Japanese types")
|
|||
|
|
+
|
|||
|
|
+ # verify proper merging of ranges using multiple inheritance
|
|||
|
|
+ cjk_printables = p_u.CJK.printables
|
|||
|
|
+ self.assertEqual(len(cjk_printables), len(set(cjk_printables)),
|
|||
|
|
+ "CJK contains duplicate characters - all should be unique")
|
|||
|
|
+
|
|||
|
|
+ chinese_printables = p_u.Chinese.printables
|
|||
|
|
+ korean_printables = p_u.Korean.printables
|
|||
|
|
+ print_(len(cjk_printables), len(set(chinese_printables
|
|||
|
|
+ + korean_printables
|
|||
|
|
+ + japanese_printables)))
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(len(cjk_printables), len(set(chinese_printables
|
|||
|
|
+ + korean_printables
|
|||
|
|
+ + japanese_printables)),
|
|||
|
|
+ "failed to construct ranges by merging Chinese, Japanese and Korean")
|
|||
|
|
+
|
|||
|
|
+ alphas = pp.pyparsing_unicode.Greek.alphas
|
|||
|
|
+ greet = pp.Word(alphas) + ',' + pp.Word(alphas) + '!'
|
|||
|
|
+
|
|||
|
|
+ # input string
|
|||
|
|
+ hello = u"Καλημέρα, κόσμε!"
|
|||
|
|
+ result = greet.parseString(hello)
|
|||
|
|
+ print_(result)
|
|||
|
|
+ self.assertTrue(result.asList() == [u'Καλημέρα', ',', u'κόσμε', '!'],
|
|||
|
|
+ "Failed to parse Greek 'Hello, World!' using pyparsing_unicode.Greek.alphas")
|
|||
|
|
+
|
|||
|
|
+ # define a custom unicode range using multiple inheritance
|
|||
|
|
+ class Turkish_set(pp.pyparsing_unicode.Latin1, pp.pyparsing_unicode.LatinA):
|
|||
|
|
+ pass
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(set(Turkish_set.printables),
|
|||
|
|
+ set(pp.pyparsing_unicode.Latin1.printables
|
|||
|
|
+ + pp.pyparsing_unicode.LatinA.printables),
|
|||
|
|
+ "failed to construct ranges by merging Latin1 and LatinA (printables)")
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(set(Turkish_set.alphas),
|
|||
|
|
+ set(pp.pyparsing_unicode.Latin1.alphas
|
|||
|
|
+ + pp.pyparsing_unicode.LatinA.alphas),
|
|||
|
|
+ "failed to construct ranges by merging Latin1 and LatinA (alphas)")
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(set(Turkish_set.nums),
|
|||
|
|
+ set(pp.pyparsing_unicode.Latin1.nums
|
|||
|
|
+ + pp.pyparsing_unicode.LatinA.nums),
|
|||
|
|
+ "failed to construct ranges by merging Latin1 and LatinA (nums)")
|
|||
|
|
+
|
|||
|
|
+ key = pp.Word(Turkish_set.alphas)
|
|||
|
|
+ value = pp.pyparsing_common.integer | pp.Word(Turkish_set.alphas, Turkish_set.alphanums)
|
|||
|
|
+ EQ = pp.Suppress('=')
|
|||
|
|
+ key_value = key + EQ + value
|
|||
|
|
+
|
|||
|
|
+ sample = u"""\
|
|||
|
|
+ şehir=İzmir
|
|||
|
|
+ ülke=Türkiye
|
|||
|
|
+ nüfus=4279677"""
|
|||
|
|
+ result = pp.Dict(pp.OneOrMore(pp.Group(key_value))).parseString(sample)
|
|||
|
|
+
|
|||
|
|
+ print_(result.asDict())
|
|||
|
|
+ self.assertEqual(result.asDict(), {u'şehir': u'İzmir', u'ülke': u'Türkiye', u'nüfus': 4279677},
|
|||
|
|
+ "Failed to parse Turkish key-value pairs")
|
|||
|
|
+
|
|||
|
|
+class IndentedBlockTest(ParseTestCase):
|
|||
|
|
+ # parse pseudo-yaml indented text
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ if pp.ParserElement.packrat_cache:
|
|||
|
|
+ print_("cannot test indentedBlock with packrat enabled")
|
|||
|
|
+ return
|
|||
|
|
+ import textwrap
|
|||
|
|
+
|
|||
|
|
+ EQ = pp.Suppress('=')
|
|||
|
|
+ stack = [1]
|
|||
|
|
+ key = pp.pyparsing_common.identifier
|
|||
|
|
+ value = pp.Forward()
|
|||
|
|
+ key_value = key + EQ + value
|
|||
|
|
+ compound_value = pp.Dict(pp.ungroup(pp.indentedBlock(key_value, stack)))
|
|||
|
|
+ value <<= pp.pyparsing_common.integer | pp.QuotedString("'") | compound_value
|
|||
|
|
+ parser = pp.Dict(pp.OneOrMore(pp.Group(key_value)))
|
|||
|
|
+
|
|||
|
|
+ text = """\
|
|||
|
|
+ a = 100
|
|||
|
|
+ b = 101
|
|||
|
|
+ c =
|
|||
|
|
+ c1 = 200
|
|||
|
|
+ c2 =
|
|||
|
|
+ c21 = 999
|
|||
|
|
+ c3 = 'A horse, a horse, my kingdom for a horse'
|
|||
|
|
+ d = 505
|
|||
|
|
+ """
|
|||
|
|
+ text = textwrap.dedent(text)
|
|||
|
|
+ print_(text)
|
|||
|
|
+
|
|||
|
|
+ result = parser.parseString(text)
|
|||
|
|
+ print_(result.dump())
|
|||
|
|
+ self.assertEqual(result.a, 100, "invalid indented block result")
|
|||
|
|
+ self.assertEqual(result.c.c1, 200, "invalid indented block result")
|
|||
|
|
+ self.assertEqual(result.c.c2.c21, 999, "invalid indented block result")
|
|||
|
|
+
|
|||
|
|
+class ParseResultsWithNameMatchFirst(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+ expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird')
|
|||
|
|
+ expr_b = pp.Literal('the') + pp.Literal('bird')
|
|||
|
|
+ expr = (expr_a | expr_b)('rexp')
|
|||
|
|
+ expr.runTests("""\
|
|||
|
|
+ not the bird
|
|||
|
|
+ the bird
|
|||
|
|
+ """)
|
|||
|
|
+ self.assertEqual(list(expr.parseString('not the bird')['rexp']), 'not the bird'.split())
|
|||
|
|
+ self.assertEqual(list(expr.parseString('the bird')['rexp']), 'the bird'.split())
|
|||
|
|
+
|
|||
|
|
+class ParseResultsWithNameOr(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+ expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird')
|
|||
|
|
+ expr_b = pp.Literal('the') + pp.Literal('bird')
|
|||
|
|
+ expr = (expr_a ^ expr_b)('rexp')
|
|||
|
|
+ expr.runTests("""\
|
|||
|
|
+ not the bird
|
|||
|
|
+ the bird
|
|||
|
|
+ """)
|
|||
|
|
+ self.assertEqual(list(expr.parseString('not the bird')['rexp']), 'not the bird'.split())
|
|||
|
|
+ self.assertEqual(list(expr.parseString('the bird')['rexp']), 'the bird'.split())
|
|||
|
|
+
|
|||
|
|
+class EmptyDictDoesNotRaiseException(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ key = pp.Word(pp.alphas)
|
|||
|
|
+ value = pp.Word(pp.nums)
|
|||
|
|
+ EQ = pp.Suppress('=')
|
|||
|
|
+ key_value_dict = pp.dictOf(key, EQ + value)
|
|||
|
|
+
|
|||
|
|
+ print_(key_value_dict.parseString("""\
|
|||
|
|
+ a = 10
|
|||
|
|
+ b = 20
|
|||
|
|
+ """).dump())
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ print_(key_value_dict.parseString("").dump())
|
|||
|
|
+ except pp.ParseException as pe:
|
|||
|
|
+ print_(pp.ParseException.explain(pe))
|
|||
|
|
+ else:
|
|||
|
|
+ self.assertTrue(False, "failed to raise exception when matching empty string")
|
|||
|
|
+
|
|||
|
|
+class ExplainExceptionTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ expr = pp.Word(pp.nums).setName("int") + pp.Word(pp.alphas).setName("word")
|
|||
|
|
+ try:
|
|||
|
|
+ expr.parseString("123 355")
|
|||
|
|
+ except pp.ParseException as pe:
|
|||
|
|
+ print_(pp.ParseException.explain(pe, depth=0))
|
|||
|
|
+
|
|||
|
|
+ expr = pp.Word(pp.nums).setName("int") - pp.Word(pp.alphas).setName("word")
|
|||
|
|
+ try:
|
|||
|
|
+ expr.parseString("123 355 (test using ErrorStop)")
|
|||
|
|
+ except pp.ParseSyntaxException as pe:
|
|||
|
|
+ print_(pp.ParseException.explain(pe))
|
|||
|
|
+
|
|||
|
|
+ integer = pp.Word(pp.nums).setName("int").addParseAction(lambda t: int(t[0]))
|
|||
|
|
+ expr = integer + integer
|
|||
|
|
+
|
|||
|
|
+ def divide_args(t):
|
|||
|
|
+ integer.parseString("A")
|
|||
|
|
+ return t[0] / t[1]
|
|||
|
|
+
|
|||
|
|
+ expr.addParseAction(divide_args)
|
|||
|
|
+ pp.ParserElement.enablePackrat()
|
|||
|
|
+ print_()
|
|||
|
|
+ # ~ print(expr.parseString("125 25"))
|
|||
|
|
+
|
|||
|
|
+ try:
|
|||
|
|
+ expr.parseString("123 0")
|
|||
|
|
+ except pp.ParseException as pe:
|
|||
|
|
+ print_(pp.ParseException.explain(pe))
|
|||
|
|
+ except Exception as exc:
|
|||
|
|
+ print_(pp.ParseException.explain(exc))
|
|||
|
|
+ raise
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class CaselessKeywordVsKeywordCaselessTest(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+ import pyparsing as pp
|
|||
|
|
+
|
|||
|
|
+ frule = pp.Keyword('t', caseless=True) + pp.Keyword('yes', caseless=True)
|
|||
|
|
+ crule = pp.CaselessKeyword('t') + pp.CaselessKeyword('yes')
|
|||
|
|
+
|
|||
|
|
+ flist = frule.searchString('not yes').asList()
|
|||
|
|
+ print_(flist)
|
|||
|
|
+ clist = crule.searchString('not yes').asList()
|
|||
|
|
+ print_(clist)
|
|||
|
|
+ self.assertEqual(flist, clist, "CaselessKeyword not working the same as Keyword(caseless=True)")
|
|||
|
|
+
|
|||
|
|
+
|
|||
|
|
+class MiscellaneousParserTests(ParseTestCase):
|
|||
|
|
+ def runTest(self):
|
|||
|
|
+
|
|||
|
|
+ runtests = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
|||
|
|
+ if IRON_PYTHON_ENV:
|
|||
|
|
+ runtests = "ABCDEGHIJKLMNOPQRSTUVWXYZ"
|
|||
|
|
+
|
|||
|
|
+ # test making oneOf with duplicate symbols
|
|||
|
|
+ if "A" in runtests:
|
|||
|
|
+ print_("verify oneOf handles duplicate symbols")
|
|||
|
|
+ try:
|
|||
|
|
+ test1 = pp.oneOf("a b c d a")
|
|||
|
|
+ except RuntimeError:
|
|||
|
|
+ self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (string input)")
|
|||
|
|
+
|
|||
|
|
+ print_("verify oneOf handles generator input")
|
|||
|
|
+ try:
|
|||
|
|
+ test1 = pp.oneOf(c for c in "a b c d a" if not c.isspace())
|
|||
|
|
+ except RuntimeError:
|
|||
|
|
+ self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (generator input)")
|
|||
|
|
+
|
|||
|
|
+ print_("verify oneOf handles list input")
|
|||
|
|
+ try:
|
|||
|
|
+ test1 = pp.oneOf("a b c d a".split())
|
|||
|
|
+ except RuntimeError:
|
|||
|
|
+ self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (list input)")
|
|||
|
|
+
|
|||
|
|
+ print_("verify oneOf handles set input")
|
|||
|
|
+ try:
|
|||
|
|
+ test1 = pp.oneOf(set("a b c d a"))
|
|||
|
|
+ except RuntimeError:
|
|||
|
|
+ self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (set input)")
|
|||
|
|
+
|
|||
|
|
+ # test MatchFirst bugfix
|
|||
|
|
+ if "B" in runtests:
|
|||
|
|
+ print_("verify MatchFirst iterates properly")
|
|||
|
|
+ results = pp.quotedString.parseString("'this is a single quoted string'")
|
|||
|
|
+ self.assertTrue(len(results) > 0, "MatchFirst error - not iterating over all choices")
|
|||
|
|
+
|
|||
|
|
+ # verify streamline of subexpressions
|
|||
|
|
+ if "C" in runtests:
|
|||
|
|
+ print_("verify proper streamline logic")
|
|||
|
|
+ compound = pp.Literal("A") + "B" + "C" + "D"
|
|||
|
|
+ self.assertEqual(len(compound.exprs), 2,"bad test setup")
|
|||
|
|
+ print_(compound)
|
|||
|
|
+ compound.streamline()
|
|||
|
|
+ print_(compound)
|
|||
|
|
+ self.assertEqual(len(compound.exprs), 4,"streamline not working")
|
|||
|
|
+
|
|||
|
|
+ # test for Optional with results name and no match
|
|||
|
|
+ if "D" in runtests:
|
|||
|
|
+ print_("verify Optional's do not cause match failure if have results name")
|
|||
|
|
+ testGrammar = pp.Literal("A") + pp.Optional("B")("gotB") + pp.Literal("C")
|
|||
|
|
+ try:
|
|||
|
|
+ testGrammar.parseString("ABC")
|
|||
|
|
+ testGrammar.parseString("AC")
|
|||
|
|
+ except pp.ParseException as pe:
|
|||
|
|
+ print_(pe.pstr,"->",pe)
|
|||
|
|
+ self.assertTrue(False, "error in Optional matching of string %s" % pe.pstr)
|
|||
|
|
+
|
|||
|
|
+ # test return of furthest exception
|
|||
|
|
+ if "E" in runtests:
|
|||
|
|
+ testGrammar = ( pp.Literal("A") |
|
|||
|
|
+ ( pp.Optional("B") + pp.Literal("C") ) |
|
|||
|
|
+ pp.Literal("D") )
|
|||
|
|
+ try:
|
|||
|
|
+ testGrammar.parseString("BC")
|
|||
|
|
+ testGrammar.parseString("BD")
|
|||
|
|
+ except pp.ParseException as pe:
|
|||
|
|
+ print_(pe.pstr,"->",pe)
|
|||
|
|
+ self.assertEqual(pe.pstr, "BD", "wrong test string failed to parse")
|
|||
|
|
+ self.assertEqual(pe.loc, 1, "error in Optional matching, pe.loc="+str(pe.loc))
|
|||
|
|
+
|
|||
|
|
+ # test validate
|
|||
|
|
+ if "F" in runtests:
|
|||
|
|
+ print_("verify behavior of validate()")
|
|||
|
|
+ def testValidation( grmr, gnam, isValid ):
|
|||
|
|
+ try:
|
|||
|
|
+ grmr.streamline()
|
|||
|
|
+ grmr.validate()
|
|||
|
|
+ self.assertTrue(isValid,"validate() accepted invalid grammar " + gnam)
|
|||
|
|
+ except pp.RecursiveGrammarException as e:
|
|||
|
|
+ print_(grmr)
|
|||
|
|
+ self.assertFalse(isValid, "validate() rejected valid grammar " + gnam)
|
|||
|
|
+
|
|||
|
|
+ fwd = pp.Forward()
|
|||
|
|
+ g1 = pp.OneOrMore( ( pp.Literal("A") + "B" + "C" ) | fwd )
|
|||
|
|
+ g2 = pp.ZeroOrMore("C" + g1)
|
|||
|
|
+ fwd << pp.Group(g2)
|
|||
|
|
+ testValidation( fwd, "fwd", isValid=True )
|
|||
|
|
+
|
|||
|
|
+ fwd2 = pp.Forward()
|
|||
|
|
+ fwd2 << pp.Group("A" | fwd2)
|
|||
|
|
+ testValidation( fwd2, "fwd2", isValid=False )
|
|||
|
|
+
|
|||
|
|
+ fwd3 = pp.Forward()
|
|||
|
|
+ fwd3 << pp.Optional("A") + fwd3
|
|||
|
|
+ testValidation( fwd3, "fwd3", isValid=False )
|
|||
|
|
+
|
|||
|
|
+ # test getName
|
|||
|
|
+ if "G" in runtests:
|
|||
|
|
+ print_("verify behavior of getName()")
|
|||
|
|
+ aaa = pp.Group(pp.Word("a")("A"))
|
|||
|
|
+ bbb = pp.Group(pp.Word("b")("B"))
|
|||
|
|
+ ccc = pp.Group(":" + pp.Word("c")("C"))
|
|||
|
|
+ g1 = "XXX" + pp.ZeroOrMore( aaa | bbb | ccc )
|
|||
|
|
+ teststring = "XXX b bb a bbb bbbb aa bbbbb :c bbbbbb aaa"
|
|||
|
|
+ names = []
|
|||
|
|
+ print_(g1.parseString(teststring).dump())
|
|||
|
|
+ for t in g1.parseString(teststring):
|
|||
|
|
+ print_(t, repr(t))
|
|||
|
|
+ try:
|
|||
|
|
+ names.append( t[0].getName() )
|
|||
|
|
+ except Exception:
|
|||
|
|
+ try:
|
|||
|
|
+ names.append( t.getName() )
|
|||
|
|
+ except Exception:
|
|||
|
|
+ names.append( None )
|
|||
|
|
+ print_(teststring)
|
|||
|
|
+ print_(names)
|
|||
|
|
+ self.assertEqual(names, [None, 'B', 'B', 'A', 'B', 'B', 'A', 'B', None, 'B', 'A'],
|
|||
|
|
+ "failure in getting names for tokens")
|
|||
|
|
+
|
|||
|
|
+ from pyparsing import Keyword, Word, alphas, OneOrMore
|
|||
|
|
+ IF,AND,BUT = map(Keyword, "if and but".split())
|
|||
|
|
+ ident = ~(IF | AND | BUT) + Word(alphas)("non-key")
|
|||
|
|
+ scanner = OneOrMore(IF | AND | BUT | ident)
|
|||
|
|
+ def getNameTester(s,l,t):
|
|||
|
|
+ print_(t, t.getName())
|
|||
|
|
+ ident.addParseAction(getNameTester)
|
|||
|
|
+ scanner.parseString("lsjd sldkjf IF Saslkj AND lsdjf")
|
|||
|
|
+
|
|||
|
|
+ # test ParseResults.get() method
|
|||
|
|
+ if "H" in runtests:
|
|||
|
|
+ print_("verify behavior of ParseResults.get()")
|
|||
|
|
+ # use sum() to merge separate groups into single ParseResults
|
|||
|
|
+ res = sum(g1.parseString(teststring)[1:])
|
|||
|
|
+ print_(res.dump())
|
|||
|
|
+ print_(res.get("A","A not found"))
|
|||
|
|
+ print_(res.get("D","!D"))
|
|||
|
|
+ self.assertEqual(res.get("A","A not found"), "aaa", "get on existing key failed")
|
|||
|
|
+ self.assertEqual(res.get("D","!D"), "!D", "get on missing key failed")
|
|||
|
|
+
|
|||
|
|
+ if "I" in runtests:
|
|||
|
|
+ print_("verify handling of Optional's beyond the end of string")
|
|||
|
|
+ testGrammar = "A" + pp.Optional("B") + pp.Optional("C") + pp.Optional("D")
|
|||
|
|
+ testGrammar.parseString("A")
|
|||
|
|
+ testGrammar.parseString("AB")
|
|||
|
|
+
|
|||
|
|
+ # test creating Literal with empty string
|
|||
|
|
+ if "J" in runtests:
|
|||
|
|
+ print_('verify non-fatal usage of Literal("")')
|
|||
|
|
+ e = pp.Literal("")
|
|||
|
|
+ try:
|
|||
|
|
+ e.parseString("SLJFD")
|
|||
|
|
+ except Exception as e:
|
|||
|
|
+ self.assertTrue(False, "Failed to handle empty Literal")
|
|||
|
|
+
|
|||
|
|
+ # test line() behavior when starting at 0 and the opening line is an \n
|
|||
|
|
+ if "K" in runtests:
|
|||
|
|
+ print_('verify correct line() behavior when first line is empty string')
|
|||
|
|
+ self.assertEqual(pp.line(0, "\nabc\ndef\n"), '', "Error in line() with empty first line in text")
|
|||
|
|
+ txt = "\nabc\ndef\n"
|
|||
|
|
+ results = [ pp.line(i,txt) for i in range(len(txt)) ]
|
|||
|
|
+ self.assertEqual(results, ['', 'abc', 'abc', 'abc', 'abc', 'def', 'def', 'def', 'def'],
|
|||
|
|
+ "Error in line() with empty first line in text")
|
|||
|
|
+ txt = "abc\ndef\n"
|
|||
|
|
+ results = [ pp.line(i,txt) for i in range(len(txt)) ]
|
|||
|
|
+ self.assertEqual(results, ['abc', 'abc', 'abc', 'abc', 'def', 'def', 'def', 'def'],
|
|||
|
|
+ "Error in line() with non-empty first line in text")
|
|||
|
|
+
|
|||
|
|
+ # test bugfix with repeated tokens when packrat parsing enabled
|
|||
|
|
+ if "L" in runtests:
|
|||
|
|
+ print_('verify behavior with repeated tokens when packrat parsing is enabled')
|
|||
|
|
+ a = pp.Literal("a")
|
|||
|
|
+ b = pp.Literal("b")
|
|||
|
|
+ c = pp.Literal("c")
|
|||
|
|
+
|
|||
|
|
+ abb = a + b + b
|
|||
|
|
+ abc = a + b + c
|
|||
|
|
+ aba = a + b + a
|
|||
|
|
+ grammar = abb | abc | aba
|
|||
|
|
+
|
|||
|
|
+ self.assertEqual(''.join(grammar.parseString( "aba" )), 'aba', "Packrat ABA failure!")
|
|||
|
|
+
|
|||
|
|
+ if "M" in runtests:
|
|||
|
|
+ print_('verify behavior of setResultsName with OneOrMore and ZeroOrMore')
|
|||
|
|
+
|
|||
|
|
+ stmt = pp.Keyword('test')
|
|||
|
|
+ print_(pp.ZeroOrMore(stmt)('tests').parseString('test test').tests)
|
|||
|
|
+ print_(pp.OneOrMore(stmt)('tests').parseString('test test').tests)
|
|||
|
|
+ print_(pp.Optional(pp.OneOrMore(stmt)('tests')).parseString('test test').tests)
|
|||
|
|
+ print_(pp.Optional(pp.OneOrMore(stmt))('tests').parseString('test test').tests)
|
|||
|
|
+ print_(pp.Optional(pp.delimitedList(stmt))('tests').parseString('test,test').tests)
|
|||
|
|
+ self.assertEqual(len(pp.ZeroOrMore(stmt)('tests').parseString('test test').tests), 2, "ZeroOrMore failure with setResultsName")
|
|||
|
|
+ self.assertEqual(len(pp.OneOrMore(stmt)('tests').parseString('test test').tests), 2, "OneOrMore failure with setResultsName")
|
|||
|
|
+ self.assertEqual(len(pp.Optional(pp.OneOrMore(stmt)('tests')).parseString('test test').tests), 2, "OneOrMore failure with setResultsName")
|
|||
|
|
+ self.assertEqual(len(pp.Optional(pp.delimitedList(stmt))('tests').parseString('test,test').tests), 2, "delimitedList failure with setResultsName")
|
|||
|
|
+ self.assertEqual(len((stmt*2)('tests').parseString('test test').tests), 2, "multiplied(1) failure with setResultsName")
|
|||
|
|
+ self.assertEqual(len((stmt*(None,2))('tests').parseString('test test').tests), 2, "multiplied(2) failure with setResultsName")
|
|||
|
|
+ self.assertEqual(len((stmt*(1,))('tests').parseString('test test').tests), 2, "multipled(3) failure with setResultsName")
|
|||
|
|
+ self.assertEqual(len((stmt*(2,))('tests').parseString('test test').tests), 2, "multipled(3) failure with setResultsName")
|
|||
|
|
+
|
|||
|
|
+def makeTestSuite():
|
|||
|
|
+ import inspect
|
|||
|
|
+ suite = TestSuite()
|
|||
|
|
+ suite.addTest( PyparsingTestInit() )
|
|||
|
|
+
|
|||
|
|
+ test_case_classes = ParseTestCase.__subclasses__()
|
|||
|
|
+ # put classes in order as they are listed in the source code
|
|||
|
|
+ test_case_classes.sort(key=lambda cls: inspect.getsourcelines(cls)[1])
|
|||
|
|
+
|
|||
|
|
+ test_case_classes.remove(PyparsingTestInit)
|
|||
|
|
+ # test_case_classes.remove(ParseASMLTest)
|
|||
|
|
+ test_case_classes.remove(EnablePackratParsing)
|
|||
|
|
+ if IRON_PYTHON_ENV:
|
|||
|
|
+ test_case_classes.remove(OriginalTextForTest)
|
|||
|
|
+
|
|||
|
|
+ suite.addTests(T() for T in test_case_classes)
|
|||
|
|
+
|
|||
|
|
+ if TEST_USING_PACKRAT:
|
|||
|
|
+ # retest using packrat parsing (disable those tests that aren't compatible)
|
|||
|
|
+ suite.addTest( EnablePackratParsing() )
|
|||
|
|
+
|
|||
|
|
+ unpackrattables = [ PyparsingTestInit, EnablePackratParsing, RepeaterTest, ]
|
|||
|
|
+
|
|||
|
|
+ # add tests to test suite a second time, to run with packrat parsing
|
|||
|
|
+ # (leaving out those that we know wont work with packrat)
|
|||
|
|
+ packratTests = [t.__class__() for t in suite._tests
|
|||
|
|
+ if t.__class__ not in unpackrattables]
|
|||
|
|
+ suite.addTests( packratTests )
|
|||
|
|
+
|
|||
|
|
+ return suite
|
|||
|
|
+
|
|||
|
|
+def makeTestSuiteTemp(classes):
|
|||
|
|
+ suite = TestSuite()
|
|||
|
|
+ suite.addTest(PyparsingTestInit())
|
|||
|
|
+ for cls in classes:
|
|||
|
|
+ suite.addTest(cls())
|
|||
|
|
+ return suite
|
|||
|
|
+
|
|||
|
|
+if __name__ == '__main__':
|
|||
|
|
+
|
|||
|
|
+ testRunner = TextTestRunner()
|
|||
|
|
+
|
|||
|
|
+ # run specific tests by including them in this list, otherwise
|
|||
|
|
+ # all tests will be run
|
|||
|
|
+ testclasses = [
|
|||
|
|
+ ]
|
|||
|
|
+
|
|||
|
|
+ if not testclasses:
|
|||
|
|
+ testRunner.run(makeTestSuite())
|
|||
|
|
+ else:
|
|||
|
|
+ BUFFER_OUTPUT = False
|
|||
|
|
+ testRunner.run(makeTestSuiteTemp(testclasses))
|