Mercurial > hg
view mercurial/version.py @ 2435:ff2bac730b99
http client: support persistent connections.
uses keepalive module from urlgrabber package. tested against "hg serve",
cgi server, and through http proxy. used ethereal to verify that only
one tcp connection used during entire "hg pull" sequence.
if server supports keepalive, this makes latency of "hg pull" much lower.
author | Vadim Gelfer <vadim.gelfer@gmail.com> |
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date | Thu, 15 Jun 2006 12:57:59 -0700 |
parents | 7eb694a1c1af |
children | 345bac2bc4ec |
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# Copyright (C) 2005 by Intevation GmbH # Author(s): # Thomas Arendsen Hein <thomas@intevation.de> # # This program is free software under the GNU GPL (>=v2) # Read the file COPYING coming with the software for details. """ Mercurial version """ import os import os.path import re import time import util unknown_version = 'unknown' remembered_version = False def get_version(): """Return version information if available.""" try: from mercurial.__version__ import version except ImportError: version = unknown_version return version def write_version(version): """Overwrite version file.""" if version == get_version(): return directory = os.path.dirname(__file__) for suffix in ['py', 'pyc', 'pyo']: try: os.unlink(os.path.join(directory, '__version__.%s' % suffix)) except OSError: pass f = open(os.path.join(directory, '__version__.py'), 'w') f.write("# This file is auto-generated.\n") f.write("version = %r\n" % version) f.close() def remember_version(version=None): """Store version information.""" global remembered_version if not version and os.path.isdir(".hg"): f = os.popen("hg identify 2> %s" % util.nulldev) # use real hg installation ident = f.read()[:-1] if not f.close() and ident: ids = ident.split(' ', 1) version = ids.pop(0) if version[-1] == '+': version = version[:-1] modified = True else: modified = False if version.isalnum() and ids: for tag in ids[0].split('/'): # is a tag is suitable as a version number? if re.match(r'^(\d+\.)+[\w.-]+$', tag): version = tag break if modified: version += time.strftime('+%Y%m%d') if version: remembered_version = True write_version(version) def forget_version(): """Remove version information.""" if remembered_version: write_version(unknown_version)