212 lines
6.4 KiB
Python
212 lines
6.4 KiB
Python
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# 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 base64
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import os
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import platform
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import warnings
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from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
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class Options(object):
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KEY = "goog:chromeOptions"
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def __init__(self):
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self._binary_location = ''
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self._arguments = []
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self._extension_files = []
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self._extensions = []
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self._experimental_options = {}
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self._debugger_address = None
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self._caps = DesiredCapabilities.CHROME.copy()
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@property
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def binary_location(self):
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"""
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Returns the location of the binary otherwise an empty string
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"""
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return self._binary_location
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@binary_location.setter
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def binary_location(self, value):
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"""
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Allows you to set where the chromium binary lives
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:Args:
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- value: path to the Chromium binary
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"""
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self._binary_location = value
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@property
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def capabilities(self):
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return self._caps
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def set_capability(self, name, value):
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"""Sets a capability."""
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self._caps[name] = value
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@property
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def debugger_address(self):
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"""
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Returns the address of the remote devtools instance
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"""
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return self._debugger_address
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@debugger_address.setter
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def debugger_address(self, value):
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"""
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Allows you to set the address of the remote devtools instance
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that the ChromeDriver instance will try to connect to during an
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active wait.
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:Args:
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- value: address of remote devtools instance if any (hostname[:port])
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"""
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self._debugger_address = value
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@property
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def arguments(self):
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"""
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Returns a list of arguments needed for the browser
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"""
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return self._arguments
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def add_argument(self, argument):
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"""
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Adds an argument to the list
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:Args:
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- Sets the arguments
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"""
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if argument:
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self._arguments.append(argument)
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else:
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raise ValueError("argument can not be null")
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@property
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def extensions(self):
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"""
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Returns a list of encoded extensions that will be loaded into chrome
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"""
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encoded_extensions = []
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for ext in self._extension_files:
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file_ = open(ext, 'rb')
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# Should not use base64.encodestring() which inserts newlines every
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# 76 characters (per RFC 1521). Chromedriver has to remove those
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# unnecessary newlines before decoding, causing performance hit.
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encoded_extensions.append(base64.b64encode(file_.read()).decode('UTF-8'))
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file_.close()
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return encoded_extensions + self._extensions
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def add_extension(self, extension):
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"""
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Adds the path to the extension to a list that will be used to extract it
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to the ChromeDriver
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:Args:
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- extension: path to the \*.crx file
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"""
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if extension:
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extension_to_add = os.path.abspath(os.path.expanduser(extension))
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if os.path.exists(extension_to_add):
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self._extension_files.append(extension_to_add)
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else:
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raise IOError("Path to the extension doesn't exist")
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else:
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raise ValueError("argument can not be null")
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def add_encoded_extension(self, extension):
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"""
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Adds Base64 encoded string with extension data to a list that will be used to extract it
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to the ChromeDriver
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:Args:
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- extension: Base64 encoded string with extension data
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"""
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if extension:
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self._extensions.append(extension)
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else:
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raise ValueError("argument can not be null")
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@property
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def experimental_options(self):
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"""
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Returns a dictionary of experimental options for chrome.
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"""
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return self._experimental_options
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def add_experimental_option(self, name, value):
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"""
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Adds an experimental option which is passed to chrome.
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Args:
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name: The experimental option name.
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value: The option value.
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"""
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self._experimental_options[name] = value
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@property
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def headless(self):
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"""
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Returns whether or not the headless argument is set
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"""
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return '--headless' in self._arguments
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@headless.setter
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def headless(self, value):
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"""
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Sets the headless argument
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Args:
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value: boolean value indicating to set the headless option
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"""
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args = {'--headless'}
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if platform.system().lower() == 'windows':
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args.add('--disable-gpu')
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if value is True:
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self._arguments.extend(args)
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else:
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self._arguments = list(set(self._arguments) - args)
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def set_headless(self, headless=True):
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""" Deprecated, options.headless = True """
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warnings.warn('use setter for headless property instead of set_headless',
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DeprecationWarning, stacklevel=2)
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self.headless = headless
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def to_capabilities(self):
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"""
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Creates a capabilities with all the options that have been set and
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returns a dictionary with everything
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"""
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caps = self._caps
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chrome_options = self.experimental_options.copy()
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chrome_options["extensions"] = self.extensions
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if self.binary_location:
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chrome_options["binary"] = self.binary_location
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chrome_options["args"] = self.arguments
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if self.debugger_address:
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chrome_options["debuggerAddress"] = self.debugger_address
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caps[self.KEY] = chrome_options
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return caps
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