# Source code for selenium.webdriver.chromium.options

    # 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()