Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/checkpyc.py @ 49955:878d40468c4e legacy-trunk

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Issue #4384: Added logging integration with warnings module using captureWarnings(). This change includes a NullHandler which does nothing; it will be of use to library developers who want to avoid the "No handlers could be found for logger XXX" message which can appear if the library user doesn't configure logging.
author Vinay Sajip <vinay_sajip@yahoo.co.uk>
date Wed, 03 Dec 2008 23:22:58 +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
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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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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()