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Merge pull request #464 from lethliel/python3_utils_helper
[python3] add helper functions for python3 support
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commit
d5108c7536
65
osc/util/helper.py
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65
osc/util/helper.py
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# Copyright (C) 2018 SUSE Linux. All rights reserved.
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# This program is free software; it may be used, copied, modified
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# and distributed under the terms of the GNU General Public Licence,
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# either version 2, or (at your option) any later version.
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def cmp_to_key(mycmp):
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""" Converts a cmp= function into a key= function.
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"""
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class K(object):
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def __init__(self, obj, *args):
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self.obj = obj
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def __lt__(self, other):
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return mycmp(self.obj, other.obj) < 0
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def __gt__(self, other):
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return mycmp(self.obj, other.obj) > 0
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def __eq__(self, other):
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return mycmp(self.obj, other.obj) == 0
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def __le__(self, other):
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return mycmp(self.obj, other.obj) <= 0
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def __ge__(self, other):
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return mycmp(self.obj, other.obj) >= 0
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def __ne__(self, other):
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return mycmp(self.obj, other.obj) != 0
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def __hash__(self):
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raise TypeError('hash not implemented')
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return K
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def decode_list(ilist):
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""" Decodes the elements of a list if needed
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"""
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dlist = []
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for elem in ilist:
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if not isinstance(elem, str):
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dlist.append(decode_it(elem))
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else:
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dlist.append(elem)
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return dlist
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def decode_it(obj):
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""" Decodes the given object if obj is not a string
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based on the chardet module if possible
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"""
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if isinstance(obj, str):
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return obj
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else:
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try:
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import chardet
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return obj.decode(chardet.detect(obj)['encoding'])
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except:
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import locale
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return obj.decode(locale.getlocale()[1])
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@ -24,6 +24,7 @@ import test_setlinkrev
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import test_prdiff
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import test_conf
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import test_results
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import test_helpers
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suite = unittest.TestSuite()
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suite.addTests(test_addfiles.suite())
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@ -42,6 +43,7 @@ suite.addTests(test_setlinkrev.suite())
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suite.addTests(test_prdiff.suite())
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suite.addTests(test_conf.suite())
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suite.addTests(test_results.suite())
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suite.addTests(test_helpers.suite())
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if have_xmlrunner:
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result = xmlrunner.XMLTestRunner(output=os.path.join(os.getcwd(), 'junit-xml-results')).run(suite)
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35
tests/test_helpers.py
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35
tests/test_helpers.py
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@ -0,0 +1,35 @@
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import unittest
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from osc.util.helper import decode_it, decode_list
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def suite():
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return unittest.makeSuite(TestResults)
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class TestResults(unittest.TestCase):
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def testDecodeList(self):
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strlist = ['Test1', 'Test2', 'Test3']
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mixlist = ['Test1', b'Test2', 'Test3']
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byteslist = [b'Test1', b'Test2', b'Test3']
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out = decode_list(strlist)
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self.assertListEqual(out, strlist)
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out = decode_list(mixlist)
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self.assertListEqual(out, strlist)
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out = decode_list(byteslist)
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self.assertListEqual(out, strlist)
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def testDecodeIt(self):
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bytes_obj = b'Test the decoding'
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string_obj = 'Test the decoding'
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out = decode_it(bytes_obj)
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self.assertEqual(out, string_obj)
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out = decode_it(string_obj)
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self.assertEqual(out, string_obj)
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if __name__ == '__main__':
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unittest.main()
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