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def vcpx::cvs::ChangeSetCollector::__parseCvsLog (   self,
) [private]

Parse a complete CVS log.

Definition at line 323 of file cvs.py.

00323                                                    :
        """Parse a complete CVS log."""

        from changes import Changeset
        from os.path import split, join
        import sre
        from datetime import timedelta
        from time import strptime
        from datetime import datetime

        revcount_regex = sre.compile('\\bselected revisions:\\s*(\\d+)\\b')

        self.__currentdir = None

        file2rev2tags = {}
        tagcounts = {}
        branchnum = None
        while 1:
            l = self.__readline()
            while l and not l.startswith('RCS file: '):
                l = self.__readline()

            if not l.startswith('RCS file: '):

            assert self.__currentdir is not None, \
                   "Missed 'cvs rlog: Logging XX' line"

            entry = join(self.__currentdir, split(l[10:-1])[1][:-2])
            if entries is not None:
                while l and not l.startswith('head: '):
                    l = self.__readline()
                assert l, "Missed 'head:' line"
                if branch is None:
                    branchnum = normalize_cvs_rev(l[6:-1])
                    branchnum = rev2branch(branchnum)

                while l and not l == 'symbolic names:\n':
                    l = self.__readline()

                assert l, "Missed 'symbolic names:' line"

                l = self.__readline()
                rev2tags = {}
                while l.startswith('\t'):
                    tag,revision = l[1:-1].split(': ')
                    tagcounts[tag] = tagcounts.get(tag,0) + 1
                    revision = normalize_cvs_rev(revision)
                    if tag == branch:
                        branchnum = revision

                    l = self.__readline()

                # branchnum may still be None, if this file doesn't exist
                # on the requested branch.

                # filter out branch tags, and tags for revisions that are
                # on other branches.
                for revision in rev2tags.keys():
                    if is_branch(revision) or \
                       not branchnum or \
                       not cvs_revs_same_branch(revision,branchnum):
                        del rev2tags[revision]

                file2rev2tags[entry] = rev2tags

            expected_revisions = None
            while l not in (self.inter_sep, self.intra_sep):
                m = revcount_regex.search(l)
                if m is not None:
                    expected_revisions = int(m.group(1))
                l = self.__readline()
            last = previous = None
            found_revisions = 0
            while (l <> self.inter_sep or
                   not self.__readline(True).startswith('revision ')):
                cs = self.__parseRevision(entry)
                if cs is None:
                date,author,changelog,e,rev,state,newentry = cs

                # Skip spurious entries added in a branch
                if not (rev == '1.1' and state == 'dead' and
                        changelog.startswith('file ') and
                        ' was initially added on branch ' in changelog):
                    last = self.__collect(date, author, changelog, e, rev)
                    if state == 'dead':
                        last.action_kind = last.DELETED
                    elif newentry:
                        last.action_kind = last.ADDED
                        last.action_kind = last.UPDATED
                found_revisions = found_revisions + 1

                if previous and last.action_kind == last.DELETED:
                    # For unknown reasons, sometimes there are two dead
                    # revision is a row.
                    if previous.action_kind <> last.DELETED:
                        previous.action_kind = previous.ADDED

                previous = last

            if expected_revisions <> found_revisions:
                self.log.warning('Expecting %s revisions, found %s',
                                 expected_revisions, found_revisions)

        # If entries is not given, don't try to desume tags information
        if entries is None:

        # Determine the current revision of each live
        # (i.e. non-deleted) entry.
        state = dict(entries.getFileVersions())

        # before stepping through changes, see if the initial state is
        # taggable.  If so, add an initial changeset that does nothing
        # but tag, using the date of the last revision tailor imported
        # on its previous run.  There's no way to tell when the tag
        # was really applied, so we don't know if it was seen on the
        # last run or not.  Before applying the tag on the other end,
        # we'll have to check whether it's already been applied.
        tags = self.__getApplicableTags(state, file2rev2tags, tagcounts)
        if tags:
            if since == None:
                # I think this could only happen if the CVS repo was
                # tagged before any files were added to it.  We could
                # probably get a better date by looking at when the
                # files were added, but who cares.
                timestamp = datetime(1900,1,1)
                # "since" is a revision name read from the state file,
                # which means it was originally generated by
                # getGlobalCVSRevision.  The format string "%Y-%m-%d
                # %H:%M:%S" matches the format generated by the implicit
                # call to timestamp.__str__() in getGlobalCVSRevision.
                y,m,d,hh,mm,ss,d1,d2,d3 = strptime(since, "%Y-%m-%d %H:%M:%S")
                timestamp = datetime(y,m,d,hh,mm,ss)
            author = "unknown tagger"
            changelog = "tag %s %s" % (timestamp, tags)
            key = (timestamp, author, changelog)
            self.changesets[key] = Changeset(_getGlobalCVSRevision(timestamp,

        # Walk through the changesets, identifying ones that result in
        # a state with a tag.  Add that info to the changeset.
        for cs in self.__iter__():
            self.__updateState(state, cs)
            cs.tags = self.__getApplicableTags(state, file2rev2tags, tagcounts)

    def __getApplicableTags(self,state,taginfo,expectedcounts):

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