check NSNotificationCenter with python

NSNotificationCenterChecker

import os

def check_file(file_path):
    file = open(file_path, "r")

    haveNotification = False
    haveRemoveNotification = False

    lines = file.readlines()
    for line in lines:
        if line.find('[NSNotificationCenter defaultCenter] addObserver') != -1:
            haveNotification = True

    for line in lines:
        if line.find('removeObserver') != -1:
            haveRemoveNotification = True

    if haveNotification:
        if haveRemoveNotification == False:
            print(file_path)


    file.close()

def check(path):
    if not os.path.isdir(path):
        print("NOT a PATH")
        return
    for root, dirs, list in os.walk(path):
        for i in list:
            dir = os.path.join(root, i)
            if dir[-2:] == ".m":
                check_file(dir)


check("path to your project folder")