Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/checkpyc.py @ 74006:88198b93ff2f

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Issue #13560: Add PyUnicode_EncodeLocale() * Use PyUnicode_EncodeLocale() in time.strftime() if wcsftime() is not available * Document my last changes in Misc/NEWS
author Victor Stinner <victor.stinner@haypocalc.com>
date Sat, 17 Dec 2011 04:13:41 +0100
parents 5c0d5de56fdf
children 6cfe2982de42
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Benjamin Peterson <benjamin@python.org>
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1 #! /usr/bin/env python3
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2 # Check that all ".pyc" files exist and are up-to-date
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3 # Uses module 'os'
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4
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5 import sys
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6 import os
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7 from stat import ST_MTIME
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8 import imp
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9
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Florent Xicluna <florent.xicluna@gmail.com>
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10 # PEP 3147 compatibility (PYC Repository Directories)
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11 cache_from_source = (imp.cache_from_source if hasattr(imp, 'get_tag') else
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12 lambda path: path + 'c')
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13
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14
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15 def main():
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16 if len(sys.argv) > 1:
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17 verbose = (sys.argv[1] == '-v')
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18 silent = (sys.argv[1] == '-s')
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19 else:
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20 verbose = silent = False
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21 MAGIC = imp.get_magic()
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22 if not silent:
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Collin Winter <collinw@gmail.com>
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23 print('Using MAGIC word', repr(MAGIC))
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24 for dirname in sys.path:
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25 try:
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26 names = os.listdir(dirname)
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27 except os.error:
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28 print('Cannot list directory', repr(dirname))
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29 continue
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30 if not silent:
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31 print('Checking ', repr(dirname), '...')
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32 for name in sorted(names):
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33 if name.endswith('.py'):
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34 name = os.path.join(dirname, name)
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35 try:
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36 st = os.stat(name)
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37 except os.error:
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38 print('Cannot stat', repr(name))
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39 continue
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40 if verbose:
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41 print('Check', repr(name), '...')
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42 name_c = cache_from_source(name)
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43 try:
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44 with open(name_c, 'rb') as f:
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Florent Xicluna <florent.xicluna@gmail.com>
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45 magic_str = f.read(4)
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46 mtime_str = f.read(4)
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47 except IOError:
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48 print('Cannot open', repr(name_c))
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49 continue
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50 if magic_str != MAGIC:
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51 print('Bad MAGIC word in ".pyc" file', end=' ')
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52 print(repr(name_c))
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53 continue
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54 mtime = get_long(mtime_str)
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55 if mtime in {0, -1}:
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56 print('Bad ".pyc" file', repr(name_c))
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57 elif mtime != st[ST_MTIME]:
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Collin Winter <collinw@gmail.com>
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58 print('Out-of-date ".pyc" file', end=' ')
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59 print(repr(name_c))
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60
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61
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62 def get_long(s):
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63 if len(s) != 4:
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64 return -1
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65 return s[0] + (s[1] << 8) + (s[2] << 16) + (s[3] << 24)
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66
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67
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68 if __name__ == '__main__':
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69 main()