forked from platformio/platformio-core
127 lines
3.6 KiB
Python
127 lines
3.6 KiB
Python
# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from os import chmod
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from os.path import exists, islink, join
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from tarfile import open as tarfile_open
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from time import mktime
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from zipfile import ZipFile
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import click
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from platformio import exception, util
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class ArchiveBase(object):
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def __init__(self, arhfileobj):
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self._afo = arhfileobj
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def get_items(self):
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raise NotImplementedError()
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def get_item_filename(self, item):
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raise NotImplementedError()
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def extract_item(self, item, dest_dir):
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self._afo.extract(item, dest_dir)
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self.after_extract(item, dest_dir)
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def after_extract(self, item, dest_dir):
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pass
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def close(self):
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self._afo.close()
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class TARArchive(ArchiveBase):
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def __init__(self, archpath):
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ArchiveBase.__init__(self, tarfile_open(archpath))
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def get_items(self):
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return self._afo.getmembers()
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def get_item_filename(self, item):
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return item.name
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class ZIPArchive(ArchiveBase):
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def __init__(self, archpath):
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ArchiveBase.__init__(self, ZipFile(archpath))
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@staticmethod
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def preserve_permissions(item, dest_dir):
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attrs = item.external_attr >> 16L
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if attrs:
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chmod(join(dest_dir, item.filename), attrs)
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@staticmethod
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def preserve_mtime(item, dest_dir):
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util.change_filemtime(
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join(dest_dir, item.filename),
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mktime(list(item.date_time) + [0] * 3))
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def get_items(self):
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return self._afo.infolist()
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def get_item_filename(self, item):
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return item.filename
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def after_extract(self, item, dest_dir):
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self.preserve_permissions(item, dest_dir)
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self.preserve_mtime(item, dest_dir)
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class FileUnpacker(object):
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def __init__(self, archpath):
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self.archpath = archpath
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self._unpacker = None
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def __enter__(self):
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if self.archpath.lower().endswith((".gz", ".bz2")):
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self._unpacker = TARArchive(self.archpath)
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elif self.archpath.lower().endswith(".zip"):
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self._unpacker = ZIPArchive(self.archpath)
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if not self._unpacker:
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raise exception.UnsupportedArchiveType(self.archpath)
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return self
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def __exit__(self, *args):
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if self._unpacker:
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self._unpacker.close()
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def unpack(self, dest_dir=".", with_progress=True):
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assert self._unpacker
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if not with_progress:
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click.echo("Unpacking...")
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for item in self._unpacker.get_items():
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self._unpacker.extract_item(item, dest_dir)
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else:
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items = self._unpacker.get_items()
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with click.progressbar(items, label="Unpacking") as pb:
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for item in pb:
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self._unpacker.extract_item(item, dest_dir)
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# check on disk
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for item in self._unpacker.get_items():
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filename = self._unpacker.get_item_filename(item)
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item_path = join(dest_dir, filename)
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if not islink(item_path) and not exists(item_path):
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raise exception.ExtractArchiveItemError(filename, dest_dir)
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return True
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