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