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44 lines
1.5 KiB
44 lines
1.5 KiB
#!/usr/bin/env python3
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#
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# Copyright 2021 - 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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"""File handler that reads target files."""
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from abstract_build_file_handler import *
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from zipfile import ZipFile
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class TargetFileHandler(AbstractBuildFileHandler):
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"""Reads file's content from target files."""
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def __init__(self, build_file):
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super().__init__(build_file)
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def get_file_hash(self, file_names, hash_func=None):
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"""See base class."""
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hash_dict = dict()
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with ZipFile(self.build_file) as zip_file:
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for file_name in file_names:
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# Convert top directory's name to upper case.
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idx = file_name[1:].find('/')+1
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real_file_name = file_name[1:idx].upper()+file_name[idx:]
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if real_file_name not in zip_file.namelist():
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continue
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with zip_file.open(real_file_name) as f:
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if hash_func:
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hash_dict[file_name] = hash_func(f.read())
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else:
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hash_dict[file_name] = hash(f.read())
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return hash_dict
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