| #! /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| print 'Out-of-date ".pyc" file', | |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() |