gdiff.py

#!/usr/bin/env python
"""
Command line tool for google-diff-match-patch
"""

from diff_match_patch import diff_match_patch
import re
import sys
class bcolors:
    REMOVED = '\033[9;97;41m'
    ADDED = '\033[97;42m'
    ENDC = '\033[0m'

def main():
    args = sys.argv
    path1 = args[1]
    path2 = args[2]

    dmp = diff_match_patch()
    diffs = dmp.diff_main(file(path1).read(), file(path2).read())
    dmp.diff_cleanupSemantic(diffs)

    sb = []
    for match in diffs:
    	if match[0] == 0:
		sb.append(match[1])
		continue

    	if match[0] < 0:
		color = bcolors.REMOVED
	elif match[0] > 0:
		color = bcolors.ADDED

	s = ('\\n' + bcolors.ENDC + "\n" + color).join(match[1].split("\n"))
	s = ('\\t\t').join(s.split('\t'))
	sb.append(color)
	sb.append(s)
	sb.append(bcolors.ENDC)

    output = ''.join(sb)
    print output
	
if __name__ == '__main__':
    main()