72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
# Copyright 2014-2015 Canonical Limited.
|
|
#
|
|
# 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 os
|
|
import tarfile
|
|
import zipfile
|
|
from charmhelpers.core import (
|
|
host,
|
|
hookenv,
|
|
)
|
|
|
|
|
|
class ArchiveError(Exception):
|
|
pass
|
|
|
|
|
|
def get_archive_handler(archive_name):
|
|
if os.path.isfile(archive_name):
|
|
if tarfile.is_tarfile(archive_name):
|
|
return extract_tarfile
|
|
elif zipfile.is_zipfile(archive_name):
|
|
return extract_zipfile
|
|
else:
|
|
# look at the file name
|
|
for ext in ('.tar', '.tar.gz', '.tgz', 'tar.bz2', '.tbz2', '.tbz'):
|
|
if archive_name.endswith(ext):
|
|
return extract_tarfile
|
|
for ext in ('.zip', '.jar'):
|
|
if archive_name.endswith(ext):
|
|
return extract_zipfile
|
|
|
|
|
|
def archive_dest_default(archive_name):
|
|
archive_file = os.path.basename(archive_name)
|
|
return os.path.join(hookenv.charm_dir(), "archives", archive_file)
|
|
|
|
|
|
def extract(archive_name, destpath=None):
|
|
handler = get_archive_handler(archive_name)
|
|
if handler:
|
|
if not destpath:
|
|
destpath = archive_dest_default(archive_name)
|
|
if not os.path.isdir(destpath):
|
|
host.mkdir(destpath)
|
|
handler(archive_name, destpath)
|
|
return destpath
|
|
else:
|
|
raise ArchiveError("No handler for archive")
|
|
|
|
|
|
def extract_tarfile(archive_name, destpath):
|
|
"Unpack a tar archive, optionally compressed"
|
|
archive = tarfile.open(archive_name)
|
|
archive.extractall(destpath)
|
|
|
|
|
|
def extract_zipfile(archive_name, destpath):
|
|
"Unpack a zip file"
|
|
archive = zipfile.ZipFile(archive_name)
|
|
archive.extractall(destpath)
|