Mercurial > cpython-lru_cache-weakref

annotate Doc/tools/sphinxext/patchlevel.py @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents 26f8ae6f037d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # -*- coding: utf-8 -*-
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2 """
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3 patchlevel.py
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4 ~~~~~~~~~~~~~
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5
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6 Extract version info from Include/patchlevel.h.
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7 Adapted from Doc/tools/getversioninfo.
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8
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9 :copyright: 2007-2008 by Georg Brandl.
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10 :license: Python license.
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11 """
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12
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13 import os
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14 import re
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15 import sys
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16
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17 def get_header_version_info(srcdir):
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18 patchlevel_h = os.path.join(srcdir, '..', 'Include', 'patchlevel.h')
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19
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20 # This won't pick out all #defines, but it will pick up the ones we
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21 # care about.
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22 rx = re.compile(r'\s*#define\s+([a-zA-Z][a-zA-Z_0-9]*)\s+([a-zA-Z_0-9]+)')
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23
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24 d = {}
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25 f = open(patchlevel_h)
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26 try:
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27 for line in f:
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28 m = rx.match(line)
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29 if m is not None:
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30 name, value = m.group(1, 2)
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31 d[name] = value
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32 finally:
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33 f.close()
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34
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35 release = version = '%s.%s' % (d['PY_MAJOR_VERSION'], d['PY_MINOR_VERSION'])
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36 micro = int(d['PY_MICRO_VERSION'])
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37 if micro != 0:
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38 release += '.' + str(micro)
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39
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40 level = d['PY_RELEASE_LEVEL']
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41 suffixes = {
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42 'PY_RELEASE_LEVEL_ALPHA': 'a',
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43 'PY_RELEASE_LEVEL_BETA': 'b',
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44 'PY_RELEASE_LEVEL_GAMMA': 'rc',
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45 }
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46 if level != 'PY_RELEASE_LEVEL_FINAL':
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47 release += suffixes[level] + str(int(d['PY_RELEASE_SERIAL']))
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48 return version, release
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49
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50
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51 def get_sys_version_info():
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52 major, minor, micro, level, serial = sys.version_info
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53 release = version = '%s.%s' % (major, minor)
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54 if micro:
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55 release += '.%s' % micro
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56 if level != 'final':
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57 release += '%s%s' % (level[0], serial)
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58 return version, release
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59
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60
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61 def get_version_info():
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62 try:
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63 return get_header_version_info('.')
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64 except (IOError, OSError):
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65 version, release = get_sys_version_info()
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66 print >>sys.stderr, 'Can\'t get version info from Include/patchlevel.h, ' \
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67 'using version of this interpreter (%s).' % release
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68 return version, release
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69
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70 if __name__ == '__main__':
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71 print get_header_version_info('.')[1]