Compare two php.ini files using Python

compare_php_ini.py

#!/usr/bin/python

import re
import argparse

def main():
	parser = argparse.ArgumentParser(description='Compare two php.ini files')

	parser.add_argument('file1', metavar='first_php_ini', type=str, help='First file to compare')
	parser.add_argument('file2', metavar='second_php_ini', type=str, help='Second file to compare')

	args = parser.parse_args()

	print(" ========================================================= ")
	print("                   Comparing PHP ini files                 ")
	print(" ========================================================= ")
	print(" ")

	file1_path = args.file1
	file1_map = dict()
	filter_regex = re.compile(r"\[.*\]|(;.*)")
	with open(file1_path) as f:
		print("Reading file "+file1_path)
		for line in f:
			if not line.isspace() and not filter_regex.match(line):
				splitted = line.strip().split("=",1)
				key = splitted[0]
				value = splitted[1]
				if key in file1_map:
					if file1_map[key].__class__.__name__ == [].__class__.__name__:
						file1_map[key].append(value)
					else:
						file1_map[key] = [file1_map[key], value]
				else:
					file1_map[key] = value

	file2_path = args.file2
	file2_map = dict()
	filter_regex = re.compile(r"\[.*\]|(;.*)")
	with open(file2_path) as f:
		print("Reading file "+file2_path)
		for line in f:
			if not line.isspace() and not filter_regex.match(line):
				splitted = line.strip().split("=",1)
				key = splitted[0]
				value = splitted[1]
				if key in file2_map:
					if file2_map[key].__class__.__name__ == [].__class__.__name__:
						file2_map[key].append(value)
					else:
						file2_map[key] = [file2_map[key], value]
				else:
					file2_map[key] = value

	file1_keys = set(file1_map.keys())
	file2_keys = set(file2_map.keys())

	print(" ")
	print(" ========================================================= ")
	print("                     Common keys                           ")
	print(" ========================================================= ")
	print(" ")

	for key in (file1_keys & file2_keys):
		if file1_map[key] != file2_map[key]:
			print(" {}".format(key))
			print("  {}".format(file1_map[key]))
			print("  {}".format(file2_map[key]))

	print(" ")
	print(" ========================================================= ")
	print("     Keys unique to "+file1_path)
	print(" ========================================================= ")
	print(" ")

	for key in (file1_keys - file2_keys):
		print(" {} = {}".format(key,str(file1_map[key])))

	print(" ")
	print(" ========================================================= ")
	print("     Keys unique to "+file2_path)
	print(" ========================================================= ")
	print(" ")

	for key in (file2_keys - file1_keys):
		print(" {} = {}".format(key,str(file2_map[key])))

	print(" ")
	print(" ========================================================= ")
	print("                    Summary                                ")
	print(" ========================================================= ")
	print(" ")
	print(" Commons keys:   "+str(len(file1_keys & file2_keys)))
	print(" Extra in file1: "+str(len(file1_keys - file2_keys)))
	print(" Extra in file2: "+str(len(file2_keys - file1_keys)))
	print(" ")

if __name__ == "__main__":
	main()