hgkw/version.py
author Christian Ebert <blacktrash@gmx.net>
Fri, 29 Jun 2007 16:21:48 +0200
branchkwmap-templates
changeset 173 5329863fb64e
parent 124 99dc49c5bcfb
permissions -rw-r--r--
filectx does not need filelog; more nokwcommands Improve docs.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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# $Id$
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'''version.py - hgkw version.
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Code stolen from Mercurial, and simplified for my needs.
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'''
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import os, time
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unknown_version = 'unknown'
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def getversion(doreload=False):
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    try:
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        import hgkw.__version__
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        if doreload:
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            reload(hgkw.__version__)
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        version = hgkw.__version__.version
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    except ImportError:
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        version = unknown_version
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    return version
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def rememberversion(version=None):
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    if not version and os.path.isdir('.hg'):
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        # get version from Mercurial
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        p = os.popen('hg --quiet identify 2> %s' % os.devnull)
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        ident = p.read()[:-1]
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        if not p.close() and ident:
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            if ident[-1] != '+':
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                version = ident
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            else:
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                version = ident[:-1]
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                version += time.strftime('+%Y%m%d')
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    if version and version != getversion(): # write version
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        directory = os.path.dirname(__file__)
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        for suff in ['py', 'pyc', 'pyo']:
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            try:
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                os.unlink(os.path.join(directory, '__version__.%s' % suff))
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            except OSError:
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                pass
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        f = open(os.path.join(directory, '__version__.py'), 'w')
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        try:
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            f.write('# this file is auto-generated\n')
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            f.write('version = %r\n' % version)
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        finally:
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            f.close()
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        # reload file
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        getversion(doreload=True)