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#!/usr/bin/env python
#
# Natural Language Toolkit: substitute a pattern with
# a replacement in every file
# Copyright (C) 2001-2024 NLTK Project
# Author: Edward Loper <edloper@gmail.com>
# Steven Bird <stevenbird1@gmail.com>
# URL: <https://www.nltk.org/>
# For license information, see LICENSE.TXT
# NB Should work on all platforms,
# http://www.python.org/doc/2.5.2/lib/os-file-dir.html
import os
import stat
import sys
def update(file, pattern, replacement):
try:
# make sure we can write the file
old_perm = os.stat(file)[0]
if not os.access(file, os.W_OK):
os.chmod(file, old_perm | stat.S_IWRITE)
# write the file
s = open(file, "rb").read().decode("utf-8")
t = s.replace(pattern, replacement)
out = open(file, "wb")
out.write(t.encode("utf-8"))
out.close()
# restore permissions
os.chmod(file, old_perm)
return s != t
except Exception:
exc_type, exc_obj, exc_tb = sys.exc_info()
print(f"Unable to check {file:s} {str(exc_type):s}")
return 0
if __name__ == "__main__":
if len(sys.argv) != 3:
exit("Usage: %s <pattern> <replacement>" % sys.argv[0])
pattern = sys.argv[1]
replacement = sys.argv[2]
count = 0
for root, dirs, files in os.walk("."):
if not ("/.git" in root or "/.tox" in root):
for file in files:
path = os.path.join(root, file)
if update(path, pattern, replacement):
print("Updated:", path)
count += 1
print(f"Updated {count} files")
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