58 行
1.8 KiB
Python
58 行
1.8 KiB
Python
# Licensed to the Software Freedom Conservancy (SFC) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The SFC licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import os
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from abc import ABCMeta
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from abc import abstractmethod
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from typing import Optional
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from selenium.types import AnyKey
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from selenium.webdriver.common.utils import keys_to_typing
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class FileDetector(metaclass=ABCMeta):
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"""Used for identifying whether a sequence of chars represents the path to
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a file."""
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@abstractmethod
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def is_local_file(self, *keys: AnyKey) -> Optional[str]:
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raise NotImplementedError
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class UselessFileDetector(FileDetector):
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"""A file detector that never finds anything."""
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def is_local_file(self, *keys: AnyKey) -> Optional[str]:
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return None
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class LocalFileDetector(FileDetector):
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"""Detects files on the local disk."""
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def is_local_file(self, *keys: AnyKey) -> Optional[str]:
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file_path = "".join(keys_to_typing(keys))
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if not file_path:
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return None
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try:
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if os.path.isfile(file_path):
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return file_path
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except Exception:
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pass
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return None
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