author | Matt Mackall <mpm@selenic.com> |
Sun, 17 Sep 2006 21:27:30 -0500 | |
changeset 3122 | 2ef0b3aae186 |
parent 2858 | 345bac2bc4ec |
child 4066 | cff3e4b4a8de |
permissions | -rw-r--r-- |
2858 | 1 |
# Copyright (C) 2005, 2006 by Intevation GmbH |
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# Author(s): |
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# Thomas Arendsen Hein <thomas@intevation.de> |
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# |
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# This program is free software under the GNU GPL (>=v2) |
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# Read the file COPYING coming with the software for details. |
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""" |
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Mercurial version |
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""" |
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|
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import os |
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import os.path |
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import re |
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import time |
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import util |
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unknown_version = 'unknown' |
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remembered_version = False |
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def get_version(): |
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"""Return version information if available.""" |
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try: |
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from mercurial.__version__ import 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 write_version(version): |
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"""Overwrite version file.""" |
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if version == get_version(): |
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return |
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directory = os.path.dirname(__file__) |
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for suffix in ['py', 'pyc', 'pyo']: |
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try: |
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os.unlink(os.path.join(directory, '__version__.%s' % suffix)) |
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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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f.write("# This file is auto-generated.\n") |
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f.write("version = %r\n" % version) |
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f.close() |
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def remember_version(version=None): |
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"""Store version information.""" |
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global remembered_version |
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if not version and os.path.isdir(".hg"): |
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f = os.popen("hg identify 2> %s" % util.nulldev) # use real hg installation |
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ident = f.read()[:-1] |
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if not f.close() and ident: |
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ids = ident.split(' ', 1) |
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version = ids.pop(0) |
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if version[-1] == '+': |
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version = version[:-1] |
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modified = True |
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else: |
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modified = False |
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if version.isalnum() and ids: |
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for tag in ids[0].split('/'): |
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# is a tag is suitable as a version number? |
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if re.match(r'^(\d+\.)+[\w.-]+$', tag): |
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version = tag |
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break |
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if modified: |
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version += time.strftime('+%Y%m%d') |
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if version: |
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remembered_version = True |
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write_version(version) |
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def forget_version(): |
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"""Remove version information.""" |
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if remembered_version: |
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write_version(unknown_version) |
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