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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2011-01-11 05:54:26 UTC
  • mfrom: (5582.2.2 tags-sort-debversion)
  • Revision ID: pqm@pqm.ubuntu.com-20110111055426-pt4g3igwip5epm7q
(jelmer) Support adding new sort mechanisms to 'bzr tags'. (Jelmer Vernooij)

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bzrlib/builtins.py
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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import cStringIO
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import itertools
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import re
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import sys
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import time
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    takes_options = [
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        custom_help('directory',
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            help='Branch whose tags should be displayed.'),
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        RegistryOption.from_kwargs('sort',
 
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        RegistryOption('sort',
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            'Sort tags by different criteria.', title='Sorting',
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            natural='Sort numeric substrings as numbers:'
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                    ' suitable for version numbers. (default)',
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            alpha='Sort tags lexicographically.',
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            time='Sort tags chronologically.',
 
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            lazy_registry=('bzrlib.tag', 'tag_sort_methods')
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            ),
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        'show-ids',
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        'revision',
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    ]
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    @display_command
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    def run(self,
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            directory='.',
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            sort='natural',
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            show_ids=False,
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            revision=None,
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            ):
 
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    def run(self, directory='.', sort=None, show_ids=False, revision=None):
 
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        from bzrlib.tag import tag_sort_methods
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        branch, relpath = Branch.open_containing(directory)
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        tags = branch.tags.get_tag_dict().items()
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            # only show revisions between revid1 and revid2 (inclusive)
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            tags = [(tag, revid) for tag, revid in tags if
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                graph.is_between(revid, revid1, revid2)]
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        if sort == 'natural':
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            def natural_sort_key(tag):
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                return [f(s) for f,s in 
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                        zip(itertools.cycle((unicode.lower,int)),
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                                            re.split('([0-9]+)', tag[0]))]
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            tags.sort(key=natural_sort_key)
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        elif sort == 'alpha':
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            tags.sort()
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        elif sort == 'time':
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            timestamps = {}
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            for tag, revid in tags:
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                try:
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                    revobj = branch.repository.get_revision(revid)
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                except errors.NoSuchRevision:
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                    timestamp = sys.maxint # place them at the end
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                else:
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                    timestamp = revobj.timestamp
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                timestamps[revid] = timestamp
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            tags.sort(key=lambda x: timestamps[x[1]])
 
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        if sort is None:
 
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            sort = tag_sort_methods.get()
 
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        sort(branch, tags)
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        if not show_ids:
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            # [ (tag, revid), ... ] -> [ (tag, dotted_revno), ... ]
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            for index, (tag, revid) in enumerate(tags):