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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 typing import BinaryIO
from typing import Dict
from typing import List
from typing import Optional
from typing import Union
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from selenium.webdriver.common.options import ArgOptions
class ChromiumOptions(ArgOptions):
KEY = "goog:chromeOptions"
def __init__(self) -> None:
super().__init__()
self._binary_location: str = ""
self._extension_files: List[str] = []
self._extensions: List[str] = []
self._experimental_options: Dict[str, Union[str, int, dict, List[str]]] = {}
self._debugger_address: Optional[str] = None
@property
def binary_location(self) -> str:
""":Returns: The location of the binary, otherwise an empty string."""
return self._binary_location
@binary_location.setter
def binary_location(self, value: str) -> None:
"""Allows you to set where the chromium binary lives.
:Args:
- value: path to the Chromium binary
"""
if not isinstance(value, str):
raise TypeError(self.BINARY_LOCATION_ERROR)
self._binary_location = value
@property
def debugger_address(self) -> Optional[str]:
""":Returns: The address of the remote devtools instance."""
return self._debugger_address
@debugger_address.setter
def debugger_address(self, value: str) -> None:
"""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])
"""
if not isinstance(value, str):
raise TypeError("Debugger Address must be a string")
self._debugger_address = value
@property
def extensions(self) -> List[str]:
""":Returns: A list of encoded extensions that will be loaded."""
def _decode(file_data: BinaryIO) -> str:
# 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.
return base64.b64encode(file_data.read()).decode("utf-8")
encoded_extensions = []
for extension in self._extension_files:
with open(extension, "rb") as f:
encoded_extensions.append(_decode(f))
return encoded_extensions + self._extensions
def add_extension(self, extension: str) -> None:
"""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 OSError("Path to the extension doesn't exist")
else:
raise ValueError("argument can not be null")
def add_encoded_extension(self, extension: str) -> None:
"""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) -> dict:
""":Returns: A dictionary of experimental options for chromium."""
return self._experimental_options
def add_experimental_option(self, name: str, value: Union[str, int, dict, List[str]]) -> None:
"""Adds an experimental option which is passed to chromium.
:Args:
name: The experimental option name.
value: The option value.
"""
self._experimental_options[name] = value
def to_capabilities(self) -> dict:
"""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()
if self.mobile_options:
chrome_options.update(self.mobile_options)
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) -> dict:
return DesiredCapabilities.CHROME.copy()
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