evolve: improve transaction related code to use the lock module
Refactored some of the places where we are using locking in evolve to use
the lock module and write less code.
This should also fix a couple of bug where tr could be None at release time.
# Copied from histedit setup.py
# Credit to Augie Fackler <durin42@gmail.com>
from distutils.core import setup
from os.path import dirname, join
def get_version(relpath):
'''Read version info from a file without importing it'''
for line in open(join(dirname(__file__), relpath), 'rb'):
# Decode to a fail-safe string for PY3
# (gives unicode object in PY2)
line = line.decode('utf8')
if '__version__' in line:
if "'" in line:
return line.split("'")[1]
setup(
name='hg-evolve',
version=get_version('hgext/evolve.py'),
author='Pierre-Yves David',
maintainer='Pierre-Yves David',
maintainer_email='pierre-yves.david@ens-lyon.org',
url='https://bitbucket.org/marmoute/mutable-history',
description='Flexible evolution of Mercurial history.',
long_description=open('README').read(),
keywords='hg mercurial',
license='GPLv2+',
py_modules=['hgext.evolve'],
)