initial factory news script

factory-package-news.py

@@ -0,0 +1,128 @@
+#!/usr/bin/python
+# Copyright (c) 2014 SUSE Linux Products GmbH
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+
+from pprint import pprint
+import os, sys, re
+import logging
+from optparse import OptionParser
+import rpm
+import pickle
+import cmdln
+
+try:
+    from xml.etree import cElementTree as ET
+except ImportError:
+    import cElementTree as ET
+
+class ChangeLogger(cmdln.Cmdln):
+    def __init__(self, *args, **kwargs):
+        cmdln.Cmdln.__init__(self, args, kwargs)
+        self.ts = rpm.TransactionSet()
+        self.ts.setVSFlags(rpm._RPMVSF_NOSIGNATURES)
+
+    def readRpmHeader(self, filename):
+        """ Read an rpm header. """
+        fd = os.open(filename, os.O_RDONLY)
+        h = None
+        try:
+            h = self.ts.hdrFromFdno(fd)
+        except rpm.error, e:
+            if str(e) == "public key not available":
+                print str(e)
+            if str(e) == "public key not trusted":
+                print str(e)
+            if str(e) == "error reading package header":
+                print str(e)
+            h = None
+        finally:
+            os.close(fd)
+        return h
+
+    def readChangeLogs(self, args):
+
+        pkgdata = dict()
+
+        for path in args:
+            for root, dirs, files in os.walk(path):
+                for pkg in [ os.path.join(root, file) for file in files]:
+                    h = self.readRpmHeader( pkg )
+                    #print h.sprintf("[* %{CHANGELOGTIME:day} %{CHANGELOGNAME}\n%{CHANGELOGTEXT}\n\n]")
+                    #print h['changelogname']
+                    evr = dict()
+                    for tag in ['name', 'version', 'release']:
+                        evr[tag] = h[tag]
+                    if h['sourcerpm'] in pkgdata:
+                        pkgdata[h['sourcerpm']]['packages'].append(evr)
+                    else:
+                        data = { 'packages': [ evr ] }
+                        for tag in ['changelogtime', 'changelogtext']:
+                            data[tag] = h[tag]
+                        pkgdata[h['sourcerpm']] = data
+        return pkgdata
+
+    @cmdln.option("--snapshot", action="store", type='string', help="snapshot number")
+    @cmdln.option("--dir", action="store", type='string', dest='dir', help="data directory")
+    def do_save(self, subcmd, opts, *dirs):
+        """${cmd_name}: save changelog information for snapshot
+
+        ${cmd_usage}
+        ${cmd_option_list}
+        """
+
+        if not opts.dir:
+            raise Exception("need --dir option")
+        if not os.path.isdir(opts.dir):
+            raise Exception("%s must be a directory"%opts.dir)
+        if not opts.snapshot:
+            raise Exception("missing snapshot option")
+
+        f = open(os.path.join(opts.dir, opts.snapshot), 'wb')
+        pickle.dump([1, self.readChangeLogs(dirs)], f)
+
+    def do_dump(self, subcmd, opts, *dirs):
+        """${cmd_name}: pprint the package changelog information
+
+        ${cmd_usage}
+        ${cmd_option_list}
+        """
+        pprint(self.readChangeLogs(dirs))
+
+    def get_optparser(self):
+        parser = cmdln.CmdlnOptionParser(self)
+        parser.add_option("--dry", action="store_true", help="dry run")
+        parser.add_option("--debug", action="store_true", help="debug output")
+        parser.add_option("--verbose", action="store_true", help="verbose")
+        return parser
+
+    def postoptparse(self):
+        logging.basicConfig()
+        self.logger = logging.getLogger("factory-package-news")
+        if (self.options.debug):
+            self.logger.setLevel(logging.DEBUG)
+        elif (self.options.verbose):
+            self.logger.setLevel(logging.INFO)
+
+if __name__ == "__main__":
+    app = ChangeLogger()
+    sys.exit( app.main() )
+
+# vim: sw=4 et