Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/checkpyc.py @ 66978:aed2bbafa550 3.1

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Blocked revisions 87324 via svnmerge ........ r87324 | r.david.murray | 2010-12-16 14:08:51 -0500 (Thu, 16 Dec 2010) | 9 lines #10719: restore messages generated on invalid compileall args Before the introduction of filename arguments to compileall it gave semi useful messages about not being able to 'list' names that weren't valid directories. This fix restores that behavior. In addition to the test for this case, the patch also adds a test for the default behavior of compileall when no arguments are provided, and fixes a bug in one of the previously added tests. ........
author R. David Murray <rdmurray@bitdance.com>
date Thu, 16 Dec 2010 19:10:16 +0000
parents 893a4dc17a91
children fcfe324663a6
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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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8 import imp
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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', end=' ')
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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', end=' ')
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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()