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Direktori : /usr/lib64/python2.7/Tools/scripts/ |
Current File : //usr/lib64/python2.7/Tools/scripts/checkpyc.py |
#! /usr/bin/env python # Check that all ".pyc" files exist and are up-to-date # Uses module 'os' import sys import os from stat import ST_MTIME import imp def main(): silent = 0 verbose = 0 if sys.argv[1:]: if sys.argv[1] == '-v': verbose = 1 elif sys.argv[1] == '-s': silent = 1 MAGIC = imp.get_magic() if not silent: print 'Using MAGIC word', repr(MAGIC) for dirname in sys.path: try: names = os.listdir(dirname) except os.error: print 'Cannot list directory', repr(dirname) continue if not silent: print 'Checking ', repr(dirname), '...' names.sort() for name in names: if name[-3:] == '.py': name = os.path.join(dirname, name) try: st = os.stat(name) except os.error: print 'Cannot stat', repr(name) continue if verbose: print 'Check', repr(name), '...' name_c = name + 'c' try: f = open(name_c, 'r') except IOError: print 'Cannot open', repr(name_c) continue magic_str = f.read(4) mtime_str = f.read(4) f.close() if magic_str <> MAGIC: print 'Bad MAGIC word in ".pyc" file', print repr(name_c) continue mtime = get_long(mtime_str) if mtime == 0 or mtime == -1: print 'Bad ".pyc" file', repr(name_c) elif mtime <> st[ST_MTIME]: print 'Out-of-date ".pyc" file', print repr(name_c) def get_long(s): if len(s) <> 4: return -1 return ord(s[0]) + (ord(s[1])<<8) + (ord(s[2])<<16) + (ord(s[3])<<24) if __name__ == '__main__': main()