Mercurial > hgsubversion
view setup.py @ 890:78db88de9622
Partial metadata rebuilding
For highly active subversion repositories, it can be excruciatingly
slow to pull updates one at a time from subversion. One way around
this is to setup another mercurial repo that pulls new commits from
svn periodicly (say every 5 minutes). When you want to update your
repository, you can pull commits from this mercurial repository via
native mercurial protocols, which will be much faster than pulling
directly from svn.
Unfortunately, your metadata will be out of date after doing so.
Highly active repositories also tend to be very large, which means
that it takes a long time to rebuild your metadata from scratch. To
address this, this adds support to do a partial rebuild on the
metadata by processing only revisions that have been added to the
repository after the last revision we processed.
With the rev map 1k revisions (~2 days) behind tip updatemeta is
dramatically faster than rebuild meta:
$ hg --time svn updatemeta
Time: real 0.570 secs (user 0.480+0.000 sys 0.060+0.000)
$ hg --time svn rebuildmeta
Time: real 129.160 secs (user 128.570+0.000 sys 0.320+0.000)
author | David Schleimer <dschleimer@fb.com> |
---|---|
date | Sat, 12 May 2012 07:28:23 -0700 |
parents | 076ded084655 |
children | 92bd7b3678ea |
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#!/usr/bin/env python # -*- coding: utf-8 -*- import os import re import subprocess import sys import time if not hasattr(sys, 'version_info') or sys.version_info < (2, 4, 0, 'final'): raise SystemExit("Mercurial requires python 2.4 or later.") try: from distutils.command.build_py import build_py_2to3 as build_py except ImportError: from distutils.command.build_py import build_py try: from setuptools import setup except ImportError: from distutils.core import setup def runcmd(cmd, env): shell = os.name == 'nt' p = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=shell, stderr=subprocess.PIPE, env=env) out, err = p.communicate() # If root is executing setup.py, but the repository is owned by # another user (as in "sudo python setup.py install") we will get # trust warnings since the .hg/hgrc file is untrusted. That is # fine, we don't want to load it anyway. err = [e for e in err.splitlines() if not e.startswith('Not trusting file')] if err: return '' return out version = '' if os.path.isdir('.hg'): # Execute hg out of this directory with a custom environment which # includes the pure Python modules in mercurial/pure. We also take # care to not use any hgrc files and do no localization. env = {'HGRCPATH': '', 'LANGUAGE': 'C'} for copyenv in ('LD_LIBRARY_PATH', 'PYTHONPATH', 'PATH'): if copyenv in os.environ: env[copyenv] = os.environ[copyenv] if 'SystemRoot' in os.environ: # Copy SystemRoot into the custom environment for Python 2.6 # under Windows. Otherwise, the subprocess will fail with # error 0xc0150004. See: http://bugs.python.org/issue3440 env['SystemRoot'] = os.environ['SystemRoot'] cmd = ['hg', 'id', '-i', '-t'] l = runcmd(cmd, env).split() while len(l) > 1 and l[-1][0].isalpha(): # remove non-numbered tags l.pop() if len(l) > 1: # tag found version = l[-1] if l[0].endswith('+'): # propagate the dirty status to the tag version += '+' elif len(l) == 1: # no tag found cmd = ['hg', 'parents', '--template', '{latesttag}+{latesttagdistance}-'] version = runcmd(cmd, env) + l[0] if not version: version = runcmd(['hg', 'parents', '--template' '{node|short}\n'], env) if version: version = version.split()[0] if version.endswith('+'): version += time.strftime('%Y%m%d') elif os.path.exists('.hg_archival.txt'): kw = dict([t.strip() for t in l.split(':', 1)] for l in open('.hg_archival.txt')) if 'tag' in kw: version = kw['tag'] elif 'latesttag' in kw: version = '%(latesttag)s+%(latesttagdistance)s-%(node).12s' % kw else: version = kw.get('node', '')[:12] verfile = os.path.join("hgsubversion", "__version__.py") if version: f = open(verfile, "w") f.write('# this file is autogenerated by setup.py\n') f.write('version = "%s"\n' % version) f.close() if os.path.exists(verfile): # scrape the version out with a regex because setuptools # needlessly swaps out file() for some non-object thing # and breaks importing hgsubversion entirely mat = re.findall('.*"(.*)"', open(verfile).read()) version = mat[0] if not version: version = 'unknown' requires = [] try: import mercurial except ImportError: requires.append('mercurial') # If the Subversion SWIG bindings aren't present, require Subvertpy try: from hgsubversion.svnwrap import svn_swig_wrapper except ImportError: requires.append('subvertpy>=0.7.4') setup( name='hgsubversion', version=version, url='http://bitbucket.org/durin42/hgsubversion', license='GNU GPL', author='Augie Fackler, others', author_email='durin42@gmail.com', description=('hgsubversion is a Mercurial extension for working with ' 'Subversion repositories.'), long_description=open(os.path.join(os.path.dirname(__file__), 'README')).read(), keywords='mercurial', packages=('hgsubversion', 'hgsubversion.svnwrap'), package_data={ 'hgsubversion': ['help/subversion.rst'] }, platforms='any', install_requires=requires, classifiers=[ 'License :: OSI Approved :: GNU General Public License (GPL)', 'Intended Audience :: Developers', 'Topic :: Software Development :: Version Control', 'Development Status :: 4 - Beta', 'Programming Language :: Python', 'Operating System :: OS Independent', ], cmdclass={'build_py': build_py}, )