cpython/Tools/scripts/findlinksto.py at 2.7 · python-emscripten/cpython · GitHub

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#! /usr/bin/env python

# findlinksto

# find symbolic links to a path matching a regular expression

import os

import sys

import re

import getopt

def main():

try:

opts, args = getopt.getopt(sys.argv[1:], '')

if len(args) < 2:

raise getopt.GetoptError('not enough arguments', None)

except getopt.GetoptError, msg:

sys.stdout = sys.stderr

print msg

print 'usage: findlinksto pattern directory ...'

sys.exit(2)

pat, dirs = args[0], args[1:]

prog = re.compile(pat)

for dirname in dirs:

os.path.walk(dirname, visit, prog)

def visit(prog, dirname, names):

if os.path.islink(dirname):

names[:] = []

return

if os.path.ismount(dirname):

print 'descend into', dirname

for name in names:

name = os.path.join(dirname, name)

try:

linkto = os.readlink(name)

if prog.search(linkto) is not None:

print name, '->', linkto

except os.error:

pass

if __name__ == '__main__':

main()

cpython/Tools/scripts/findlinksto.py at 2.7 · python-emscripten/cpython · GitHub

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