bandit/bandit/formatters/utils.py

44 lines
1.6 KiB
Python

# Copyright (c) 2016 Rackspace, Inc.
#
# 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.
"""Utility functions for formatting plugins for Bandit."""
import io
import six
def wrap_file_object(fileobj):
"""Handle differences in Python 2 and 3 around writing bytes."""
# If it's not an instance of IOBase, we're probably using Python 2 and
# that is less finnicky about writing text versus bytes to a file.
if not isinstance(fileobj, io.IOBase):
return fileobj
# At this point we're using Python 3 and that will mangle text written to
# a file written in bytes mode. So, let's check if the file can handle
# text as opposed to bytes.
if isinstance(fileobj, io.TextIOBase):
return fileobj
# Finally, we've determined that the fileobj passed in cannot handle text,
# so we use TextIOWrapper to handle the conversion for us.
return io.TextIOWrapper(fileobj)
def convert_file_contents(text):
"""Convert text to built-in strings on Python 2."""
if not six.PY2:
return text
return str(text.encode('utf-8'))