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# -*- 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': 'c',

}

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]