1 # -*- coding: utf-8 -*- 2 """ 3 patchlevel.py 4 ~~~~~~~~~~~~~ 5 6 Extract version info from Include/patchlevel.h. 7 Adapted from Doc/tools/getversioninfo. 8 9 :copyright: 2007-2008 by Georg Brandl. 10 :license: Python license. 11 """ 12 13 from __future__ import print_function 14 15 import os 16 import re 17 import sys 18 19 def get_header_version_info(srcdir): 20 patchlevel_h = os.path.join(srcdir, '..', 'Include', 'patchlevel.h') 21 22 # This won't pick out all #defines, but it will pick up the ones we 23 # care about. 24 rx = re.compile(r'\s*#define\s+([a-zA-Z][a-zA-Z_0-9]*)\s+([a-zA-Z_0-9]+)') 25 26 d = {} 27 f = open(patchlevel_h) 28 try: 29 for line in f: 30 m = rx.match(line) 31 if m is not None: 32 name, value = m.group(1, 2) 33 d[name] = value 34 finally: 35 f.close() 36 37 release = version = '%s.%s' % (d['PY_MAJOR_VERSION'], d['PY_MINOR_VERSION']) 38 micro = int(d['PY_MICRO_VERSION']) 39 release += '.' + str(micro) 40 41 level = d['PY_RELEASE_LEVEL'] 42 suffixes = { 43 'PY_RELEASE_LEVEL_ALPHA': 'a', 44 'PY_RELEASE_LEVEL_BETA': 'b', 45 'PY_RELEASE_LEVEL_GAMMA': 'rc', 46 } 47 if level != 'PY_RELEASE_LEVEL_FINAL': 48 release += suffixes[level] + str(int(d['PY_RELEASE_SERIAL'])) 49 return version, release 50 51 52 def get_sys_version_info(): 53 major, minor, micro, level, serial = sys.version_info 54 release = version = '%s.%s' % (major, minor) 55 release += '.%s' % micro 56 if level != 'final': 57 release += '%s%s' % (level[0], serial) 58 return version, release 59 60 61 def get_version_info(): 62 try: 63 return get_header_version_info('.') 64 except (IOError, OSError): 65 version, release = get_sys_version_info() 66 print('Can\'t get version info from Include/patchlevel.h, ' \ 67 'using version of this interpreter (%s).' % release, file=sys.stderr) 68 return version, release 69 70 if __name__ == '__main__': 71 print(get_header_version_info('.')[1]) 72
