mirror of
https://github.com/python/cpython.git
synced 2025-11-04 03:44:55 +00:00
66 lines
2 KiB
Python
Executable file
66 lines
2 KiB
Python
Executable file
#! /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', end=' ')
|
|
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print('Out-of-date ".pyc" file', end=' ')
|
|
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()
|