synapse-old/synapse/util/stringutils.py

47 lines
1.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014, 2015 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import random
import string
_string_with_symbols = (
string.digits + string.ascii_letters + ".,;:^&*-_+=#~@"
)
def origin_from_ucid(ucid):
return ucid.split("@", 1)[1]
def random_string(length):
return ''.join(random.choice(string.ascii_letters) for _ in xrange(length))
def random_string_with_symbols(length):
return ''.join(
random.choice(_string_with_symbols) for _ in xrange(length)
)
def is_ascii(s):
try:
s.encode("ascii")
except UnicodeEncodeError:
return False
except UnicodeDecodeError:
return False
else:
return True