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Viewing changes to bzrlib/version_info_formats/format_python.py

  • Committer: Aaron Bentley
  • Date: 2006-09-22 04:52:17 UTC
  • mfrom: (2029 +trunk)
  • mto: This revision was merged to the branch mainline in revision 2078.
  • Revision ID: aaron.bentley@utoronto.ca-20060922045217-4e775bf2fc6d0b3b
Merge bzr.dev

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bzrlib/version_info_formats/format_python.py
 
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# Copyright (C) 2006 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""A generator which creates a python script from the current tree info"""
 
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import pprint
 
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from bzrlib.version_info_formats import (
 
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    create_date_str,
 
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    VersionInfoBuilder,
 
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    )
 
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# Header and footer for the python format
 
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_py_version_header = '''#!/usr/bin/env python
 
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"""This file is automatically generated by generate_version_info
 
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It uses the current working tree to determine the revision.
 
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So don't edit it. :)
 
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"""
 
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'''
 
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_py_version_footer = '''
 
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if __name__ == '__main__':
 
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    print 'revision: %(revno)d' % version_info
 
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    print 'nick: %(branch_nick)s' % version_info
 
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    print 'revision id: %(revision_id)s' % version_info
 
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'''
 
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class PythonVersionInfoBuilder(VersionInfoBuilder):
 
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    """Create a version file which is a python source module."""
 
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    def generate(self, to_file):
 
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        info = {'build_date':create_date_str()
 
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                  , 'revno':None
 
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                  , 'revision_id':None
 
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                  , 'branch_nick':self._branch.nick
 
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                  , 'clean':None
 
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                  , 'date':None
 
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        }
 
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        revisions = []
 
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        revision_id = self._get_revision_id()
 
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        if revision_id is None:
 
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            info['revno'] = 0
 
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        else:
 
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            info['revno'] = self._branch.revision_id_to_revno(revision_id)
 
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            info['revision_id'] = revision_id
 
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            rev = self._branch.repository.get_revision(revision_id)
 
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            info['date'] = create_date_str(rev.timestamp, rev.timezone)
 
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        if self._check or self._include_file_revs:
 
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            self._extract_file_revisions()
 
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        if self._check:
 
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            if self._clean:
 
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                info['clean'] = True
 
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            else:
 
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                info['clean'] = False
 
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        info_str = pprint.pformat(info)
 
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        to_file.write(_py_version_header)
 
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        to_file.write('version_info = ')
 
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        to_file.write(info_str)
 
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        to_file.write('\n\n')
 
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        if self._include_history:
 
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            self._extract_revision_history()
 
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            revision_str = pprint.pformat(self._revision_history_info)
 
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            to_file.write('revisions = ')
 
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            to_file.write(revision_str)
 
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            to_file.write('\n\n')
 
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        else:
 
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            to_file.write('revisions = {}\n\n')
 
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        if self._include_file_revs:
 
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            file_rev_str = pprint.pformat(self._file_revisions)
 
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            to_file.write('file_revisions = ')
 
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            to_file.write(file_rev_str)
 
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            to_file.write('\n\n')
 
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        else:
 
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            to_file.write('file_revisions = {}\n\n')
 
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        to_file.write(_py_version_footer)
 
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