test/fixture/myrewrite.py

   1 # SPDX-License-Identifier: MIT
   2 #
   3 # Copyright The SCons Foundation
   4
   5 r"""
   6 Phony tool to modify a file in place for testing SCons.
   7
   8 Drops lines that match a pattern.  Currently used to test
   9 ranlib and ar behavior without actually invoking those tools.
  10 """
  11
  12 import sys
  13
  14 def rewrite():
  15     line = ('/*' + sys.argv[1] + '*/\n').encode('utf-8')
  16     with open(sys.argv[2], 'rb') as ifp:
  17         lines = [ln for ln in ifp if ln != line]
  18     with open(sys.argv[2], 'wb') as ofp:
  19         ofp.writelines(lines)
  20
  21
  22 if __name__ == '__main__':
  23     rewrite()
  24     sys.exit(0)