Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/checkpyc.py @ 58765:2ba7677bfa95 legacy-trunk

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testCopysign was defined twice in test_math; combine the definitions
author Mark Dickinson <dickinsm@gmail.com>
date Sat, 06 Feb 2010 23:11:25 +0000
parents 981fff7363b9
children 46625e6122e9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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73758db2f464 /usr/local/bin/python -> /usr/bin/env python
Guido van Rossum <guido@python.org>
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1 #! /usr/bin/env python
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2 # Check that all ".pyc" files exist and are up-to-date
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bfc655074523 posix -> os
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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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0de662cecacf Use the imp module to get the magic word.
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8 import imp
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9
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10 def main():
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11 silent = 0
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12 verbose = 0
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13 if sys.argv[1:]:
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14 if sys.argv[1] == '-v':
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15 verbose = 1
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16 elif sys.argv[1] == '-s':
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17 silent = 1
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18 MAGIC = imp.get_magic()
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19 if not silent:
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20 print 'Using MAGIC word', repr(MAGIC)
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21 for dirname in sys.path:
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22 try:
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23 names = os.listdir(dirname)
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24 except os.error:
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25 print 'Cannot list directory', repr(dirname)
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26 continue
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27 if not silent:
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28 print 'Checking ', repr(dirname), '...'
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29 names.sort()
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30 for name in names:
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31 if name[-3:] == '.py':
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32 name = os.path.join(dirname, name)
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33 try:
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34 st = os.stat(name)
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35 except os.error:
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36 print 'Cannot stat', repr(name)
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37 continue
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38 if verbose:
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39 print 'Check', repr(name), '...'
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40 name_c = name + 'c'
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41 try:
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42 f = open(name_c, 'r')
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43 except IOError:
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44 print 'Cannot open', repr(name_c)
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45 continue
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46 magic_str = f.read(4)
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47 mtime_str = f.read(4)
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48 f.close()
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49 if magic_str <> MAGIC:
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50 print 'Bad MAGIC word in ".pyc" file',
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51 print repr(name_c)
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52 continue
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53 mtime = get_long(mtime_str)
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54 if mtime == 0 or mtime == -1:
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55 print 'Bad ".pyc" file', repr(name_c)
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56 elif mtime <> st[ST_MTIME]:
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57 print 'Out-of-date ".pyc" file',
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58 print repr(name_c)
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59
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60 def get_long(s):
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61 if len(s) <> 4:
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62 return -1
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63 return ord(s[0]) + (ord(s[1])<<8) + (ord(s[2])<<16) + (ord(s[3])<<24)
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64
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65 if __name__ == '__main__':
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66 main()