This script removes unused header comments.

remove_comments.py

#!/usr/bin/python
# This script removes unused header comments. Notice that the file locations are hard coded,
# so change that.


import subprocess as sp
import re
import os

def main():
  args = ['find', '../gporca', '-name', '*.cpp']
  findcmd = sp.Popen(args, stderr=sp.STDOUT, stdout=sp.PIPE)
  fout = findcmd.communicate()
  cpp_files = fout[0].split()
  args = ['find', '../gporca', '-name', '*.h']
  findcmd = sp.Popen(args, stderr=sp.STDOUT, stdout=sp.PIPE)
  fout = findcmd.communicate()
  h_files = fout[0].split()
  all_files = h_files + cpp_files

  pattern = re.compile(ur'(?P<block>(\/\/\s+){2}@owner:(\s*\n\/\/)*\s+@test:(\s*\n\/\/){3})', re.MULTILINE)

  f_contains = []

  for f in all_files:


    if len(f_contains) % 100 == 0:
      print "on file {}".format(len(f_contains))


    file_contents = ""
    with open(f, 'r') as codefile:
      file_contents = codefile.read()
      matches = re.findall(pattern, file_contents)
      if matches:
        file_contents = re.sub(pattern, "//", file_contents)
        f_contains.append(f)
    if file_contents != "":
      os.remove(f)
      with open(f, 'w') as codefile:
        codefile.write(file_contents)

  print "replaced {}".format(len(f_contains))

if __name__ == '__main__':
  main()