60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
# Copyright 2019 Red Hat
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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import contextlib
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import os
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import tempfile
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from oslo_log import log
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from tobiko.common import _exception
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LOG = log.getLogger(__name__)
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def makedirs(name, mode=0o777, exist_ok=True):
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"""Creates directory and its parents if directory doesn't exists.
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This emulates Python3 os.makedirs behavior[1]
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[1] https://docs.python.org/3/library/os.html#os.makedirs)
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"""
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try:
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os.makedirs(name, mode)
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except Exception:
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if not exist_ok or not os.path.isdir(name):
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raise
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@contextlib.contextmanager
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def open_output_file(filename, mode='w', temp_dir=None, text=False):
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basename = os.path.basename(filename)
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dirname = os.path.dirname(filename)
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prefix, suffix = os.path.splitext(basename)
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prefix += '-'
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temp_fd, temp_filename = tempfile.mkstemp(prefix=prefix,
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suffix=suffix,
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dir=temp_dir or dirname,
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text=text)
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try:
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with os.fdopen(temp_fd, mode) as temp_stream:
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yield temp_stream
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os.rename(temp_filename, filename)
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finally:
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with _exception.exc_info():
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if os.path.isfile(temp_filename):
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os.remove(temp_filename)
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