aria/utils/file.py

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.

"""
File utilities.
"""

import errno
import os
import shutil


def makedirs(path):
    """
    Enhancement of :func:`os.makedirs` that doesn't fail if the directory already exists.
    """
    if os.path.isdir(path):
        return
    try:
        os.makedirs(path)
    except IOError as e:
        if e.errno != errno.EEXIST:
            raise

def remove_if_exists(path):
    try:
        if os.path.isfile(path):
            os.remove(path)
        if os.path.isdir(path):
            shutil.rmtree(path)

    except OSError as e:
        if e.errno != errno.ENOENT:  # errno.ENOENT = no such file or directory
            raise  # re-raise exception if a different error occurred