| # -*- 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] |