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# Licensed to the Software Freedom Conservancy (SFC) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The SFC licenses this file
# to you 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 abc
import os
from selenium.webdriver.common.utils import keys_to_typing
class FileDetector(object):
"""
Used for identifying whether a sequence of chars represents the path to a
file.
"""
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def is_local_file(self, *keys):
return
class UselessFileDetector(FileDetector):
"""
A file detector that never finds anything.
"""
def is_local_file(self, *keys):
return None
class LocalFileDetector(FileDetector):
"""
Detects files on the local disk.
"""
def is_local_file(self, *keys):
file_path = ''.join(keys_to_typing(keys))
if not file_path:
return None
try:
if os.path.isfile(file_path):
return file_path
except Exception:
pass
return None
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