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52 lines
1.4 KiB
52 lines
1.4 KiB
#!/usr/bin/python -B
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# Copyright 2017 The Android Open Source Project
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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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"""Utility methods to work with Zip archives."""
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try:
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import itertools.izip as zip
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except ImportError:
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pass
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from operator import attrgetter
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from zipfile import ZipFile
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import os
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def ZipCompare(path_a, path_b):
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"""Compares the contents of two Zip archives, returns True if equal."""
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if not os.path.isfile(path_a) or not os.path.isfile(path_b):
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return False
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with ZipFile(path_a, 'r') as zip_a:
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info_a = zip_a.infolist()
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with ZipFile(path_b, 'r') as zip_b:
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info_b = zip_b.infolist()
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if len(info_a) != len(info_b):
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return False
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info_a.sort(key=attrgetter('filename'))
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info_b.sort(key=attrgetter('filename'))
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return all(
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a.filename == b.filename and
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a.file_size == b.file_size and
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a.CRC == b.CRC
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for a, b in zip(info_a, info_b))
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