str_repl.py

# Replaces all strings in all files with given encoding and extension recursively in all sub directories.
# Strings to replace are given by .def file, every line should look like before_string:after_string

import os

subs_file = 'subs.def'
encoding = 'utf-8'
extension = '.vcxproj'

subs = {}

f = open(subs_file)
for line in f.readlines():
  (before, after) = line.split(':')
  after = after.rstrip()
  subs[before] = after

for root, dirs, files in os.walk('.'):
  for fname in files:
    if not fname.endswith(extension): continue
    path = os.path.join(root, fname)
    print("Processing " + path)
    f = open(path, "rb")
    content_str = f.read().decode(encoding)
    f.close()
    for before in subs: content_str = content_str.replace(before, subs[before])
    f = open(path, "wb")
    f.write(content_str.encode(encoding))
    f.close()