def check_user_exists(username, state):
stored_username = custom_hash(username)
file_path = instance_path(state)
open(file_path, 'a').close()
with open(file_path, 'r+') as file:
return re.search(
'^{0}'.format(re.escape(stored_username)), file.read(), flags=re.M)
def getpid(username):
file_path = instance_path(state)
if not os.path.isfile(file_path):
return
stored_username = custom_hash(username)
with open(file_path) as oldfile:
for line in oldfile:
if stored_username in line:
return line.split(':')[1].strip()
def add_new_user_instance(username):
file_path = instance_path(state)
if not check_user_exists(username):
stored_username = custom_hash(username)
with open(file_path, "a+") as instance_file:
redacted_list = [username]
instance_file = RedactedFile(instance_file, redacted_list)
instance_file.write("{0} : {1}\n".format(stored_username,
os.getpid()))
return True
return False
def welcome_message():
new_message = Message()
new_message \
.add("👋 Welcome to the Grade Notifier 🚨") \
.newline() \
.newline() \
.add("Your UID is: {0}".format(custom_hash(user.get_username()))) \
.newline() \
.add("You're all set up. You should see your current grades below!") \
.newline() \
.add("The notifier will message you whenever a grade changes (or is added)!") \
.newline()
return new_message
def remove_user_instance(username):
file_path = instance_path(state)
file = ""
if not os.path.isfile(file_path):
return
stored_username = custom_hash(username)
with open(file_path) as oldfile:
for line in oldfile:
if stored_username not in line:
file += line
with open(file_path, 'w+') as newfile:
redacted_list = [username]
newfile = RedactedFile(newfile, redacted_list)
newfile.writelines(file)
def kill(username):
stored_username = custom_hash(username)
pid = getpid(stored_username)
if pid:
subprocess.run(['kill', '-SIGINT', pid])
def test_custom_hash_different_users(self):
username1 = 'foo'
username2 = 'bar'
self.assertNotEqual(custom_hash(username1), custom_hash(username2))
def test_custom_hash_constant_results(self):
username = '******'
expected_hash = 'e4af8b9ab44a126630815144bc6412ad113f5dd94ac59e6aa1fef60b954bf5c9'
actual_hash = custom_hash(username)
self.assertEqual(expected_hash, actual_hash)
def test_custom_hash_case_insensitive(self):
username1 = 'FOO'
username2 = 'fOO'
self.assertEqual(custom_hash(username1), custom_hash(username2))
