kolla/kolla/hacking/checks.py
Jeffrey Zhang 4e154f0018 Introduce the hacking module to kolla
Implements: blueprint add-hacking

Change-Id: Ia24a263555b9c1eb11e61b9d3fe89612a89daed6
2016-03-03 04:40:16 +00:00

27 lines
871 B
Python

# 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 re
mutable_default_args = re.compile(r"^\s*def .+\((.+=\{\}|.+=\[\])")
def no_mutable_default_args(logical_line):
msg = "N301: Method's default argument shouldn't be mutable!"
if mutable_default_args.match(logical_line):
yield (0, msg)
def factory(register):
register(no_mutable_default_args)