# -*- coding: utf-8 -*-
"""
patchlevel.py
~~~~~~~~~~~~~
Extract version info from Include/patchlevel.h.
Adapted from Doc/tools/getversioninfo.
:copyright: 2007-2008 by Georg Brandl.
:license: Python license.
"""
import os
import re
import sys
def get_header_version_info(srcdir):
patchlevel_h = os.path.join(srcdir, '..', 'Include', 'patchlevel.h')
# This won't pick out all #defines, but it will pick up the ones we
# care about.
rx = re.compile(r'\s*#define\s+([a-zA-Z][a-zA-Z_0-9]*)\s+([a-zA-Z_0-9]+)')
d = {}
f = open(patchlevel_h)
try:
for line in f:
m = rx.match(line)
if m is not None:
name, value = m.group(1, 2)
d[name] = value
finally:
f.close()
release = version = '%s.%s' % (d['PY_MAJOR_VERSION'], d['PY_MINOR_VERSION'])
micro = int(d['PY_MICRO_VERSION'])
if micro != 0:
release += '.' + str(micro)
level = d['PY_RELEASE_LEVEL']
suffixes = {
'PY_RELEASE_LEVEL_ALPHA': 'a',
'PY_RELEASE_LEVEL_BETA': 'b',
'PY_RELEASE_LEVEL_GAMMA': 'rc',
}
if level != 'PY_RELEASE_LEVEL_FINAL':
release += suffixes[level] + str(int(d['PY_RELEASE_SERIAL']))
return version, release
def get_sys_version_info():
major, minor, micro, level, serial = sys.version_info
release = version = '%s.%s' % (major, minor)
if micro:
release += '.%s' % micro
if level != 'final':
release += '%s%s' % (level[0], serial)
return version, release
def get_version_info():
try:
return get_header_version_info('.')
except (IOError, OSError):
version, release = get_sys_version_info()
print >>sys.stderr, 'Can\'t get version info from Include/patchlevel.h, ' \
'using version of this interpreter (%s).' % release
return version, release
if __name__ == '__main__':
print get_header_version_info('.')[1]
|