You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
126 lines
3.6 KiB
126 lines
3.6 KiB
#
|
|
# Copyright (C) 2017 The Android Open Source Project
|
|
#
|
|
# 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 logging
|
|
import os
|
|
import shutil
|
|
import tempfile
|
|
|
|
|
|
def FindFile(directory, filename):
|
|
'''Find a file under directory given the filename.
|
|
|
|
Args:
|
|
directory: string, directory path
|
|
filename: string, file name to find
|
|
|
|
Returns:
|
|
String, path to the file found. None if not found.
|
|
'''
|
|
for (dirpath, dirnames, filenames) in os.walk(
|
|
directory, followlinks=False):
|
|
for fn in filenames:
|
|
if fn == filename:
|
|
return os.path.join(dirpath, filename)
|
|
|
|
return None
|
|
|
|
|
|
def Rmdirs(path, ignore_errors=False):
|
|
'''Remove the given directory and its contents recursively.
|
|
|
|
Args:
|
|
path: string, directory to delete
|
|
ignore_errors: bool, whether to ignore errors. Defaults to False
|
|
|
|
Returns:
|
|
bool, True if directory is deleted.
|
|
False if errors occur or directory does not exist.
|
|
'''
|
|
return_value = False
|
|
if os.path.exists(path):
|
|
try:
|
|
shutil.rmtree(path, ignore_errors=ignore_errors)
|
|
return_value = True
|
|
except OSError as e:
|
|
logging.exception(e)
|
|
return return_value
|
|
|
|
|
|
def Mkdir(path, skip_if_exists=True):
|
|
"""Make a leaf directory.
|
|
|
|
This method only makes the leaf directory. This means if the parent directory
|
|
doesn't exist, the method will catch an OSError and return False.
|
|
|
|
Args:
|
|
path: string, directory to make
|
|
skip_if_exists: bool, True for ignoring exisitng dir. False for throwing
|
|
error from os.mkdir. Defaults to True
|
|
|
|
Returns:
|
|
bool, True if directory is created or directory already exists
|
|
(with skip_if_exists being True).
|
|
False if errors occur or directory already exists (with skip_if_exists being False).
|
|
"""
|
|
if skip_if_exists and os.path.exists(path):
|
|
return True
|
|
|
|
try:
|
|
os.mkdir(path)
|
|
return True
|
|
except OSError as e:
|
|
logging.exception(e)
|
|
return False
|
|
|
|
|
|
def Makedirs(path, skip_if_exists=True):
|
|
'''Make directories lead to the given path.
|
|
|
|
This method makes all parent directories if they don't exist.
|
|
|
|
Args:
|
|
path: string, directory to make
|
|
skip_if_exists: bool, True for ignoring exisitng dir. False for throwing
|
|
error from os.makedirs. Defaults to True
|
|
|
|
Returns:
|
|
bool, True if directory is created or directory already exists
|
|
(with skip_if_exists being True).
|
|
False if errors occur or directory already exists (with skip_if_exists being False).
|
|
'''
|
|
if skip_if_exists and os.path.exists(path):
|
|
return True
|
|
|
|
try:
|
|
os.makedirs(path)
|
|
return True
|
|
except OSError as e:
|
|
logging.exception(e)
|
|
return False
|
|
|
|
|
|
def MakeTempDir(base_dir):
|
|
"""Make a temp directory based on the given path and return its path.
|
|
|
|
Args:
|
|
base_dir: string, base directory to make temp directory.
|
|
|
|
Returns:
|
|
string, relative path to created temp directory
|
|
"""
|
|
Makedirs(base_dir)
|
|
return tempfile.mkdtemp(dir=base_dir) |