"""
The tool to check the availability or syntax of domain, IP or URL.
::
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Provides an interface which let us interact with the Public Suffix List.
Author:
Nissar Chababy, @funilrys, contactTATAfunilrysTODTODcom
Special thanks:
https://pyfunceble.github.io/#/special-thanks
Contributors:
https://pyfunceble.github.io/#/contributors
Project link:
https://github.com/funilrys/PyFunceble
Project documentation:
https://pyfunceble.readthedocs.io/en/latest/
Project homepage:
https://pyfunceble.github.io/
License:
::
Copyright 2017, 2018, 2019, 2020, 2021 Nissar Chababy
Licensed 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 os
from typing import Any
import PyFunceble.storage
from PyFunceble.dataset.base import DatasetBase
from PyFunceble.downloader.user_agents import UserAgentsDownloader
[docs]class UserAgentDataset(DatasetBase):
"""
Provides the dataset and infrastructure for the User Agent navigation
"""
STORAGE_INDEX: str = "USER_AGENTS"
DOWNLOADER: UserAgentsDownloader = UserAgentsDownloader()
prefered_browser: str = "chrome"
prefered_platform: str = "linux"
def __init__(self) -> None:
self.source_file = os.path.join(
PyFunceble.storage.CONFIG_DIRECTORY,
PyFunceble.storage.USER_AGENT_FILENAME,
)
def __contains__(self, value: Any) -> bool:
return value in self.get_content()
def __getattr__(self, value: Any) -> dict:
if value in self:
return self.get_content()[value]
return dict() # pylint: disable=use-dict-literal
def __getitem__(self, value: Any) -> dict:
return self.__getattr__(value)
[docs] def set_prefered(
self, browser_short_name: str, platform: str
) -> "UserAgentDataset":
"""
Sets the prefered browser to work with.
:param browser_short_name:
The name of the browser to select.
:pram platform:
The name of the platform to select.
:raise TypeError:
When the given :code:`name` is not a :py:class:`str`.
:raise ValueError:
When the given :code:`value` is not supported.
"""
if not self.is_supported(browser_short_name, platform):
raise ValueError(
f"The given name ({browser_short_name!r}) or platform "
f"({platform!r}) is not supported."
)
self.prefered_browser = browser_short_name.lower()
self.prefered_platform = platform.lower()
return self
[docs] def is_supported_browser(self, browser_short_name: str) -> bool:
"""
Checks if the given browser is supported.
:raise TypeError:
When :code:`browser_short_name` is not a :py:class:`str`.
"""
if not isinstance(browser_short_name, str):
raise TypeError(
f"<browser_short_name> should be {str}, "
f"{type(browser_short_name)} given."
)
return bool(browser_short_name.lower() in self) and bool(
self[browser_short_name.lower()]
)
[docs] def is_supported(self, browser_short_name: str, platform: str) -> bool:
"""
Checks if the given browser and platform is supported.
:param browser_short_name:
The short name of the browser.
:param platform:
The platform name.
:raise TypeError:
When :code:`browser_short_name` or :code:`platform` are not :py:class:`str`.
"""
if not isinstance(browser_short_name, str):
raise TypeError(
f"<browser_short_name> should be {str}, "
f"{type(browser_short_name)} given."
)
if not isinstance(platform, str):
raise TypeError(f"<platform> should be {str}, {type(platform)} given.")
return (
self.is_supported_browser(browser_short_name)
and bool(platform.lower() in self[browser_short_name.lower()])
and bool(self[browser_short_name.lower()][platform.lower()])
)
[docs] def get_latest(self) -> str:
"""
Provides the latest user agent for the given platform.
Side Effect:
It tries to get the platform and browser from the configuration
(if exists).
"""
if PyFunceble.storage.CONFIGURATION:
if (
PyFunceble.storage.CONFIGURATION.user_agent
and PyFunceble.storage.CONFIGURATION.user_agent.custom
):
return PyFunceble.storage.CONFIGURATION.user_agent.custom
self.set_prefered(
PyFunceble.storage.CONFIGURATION.user_agent.browser,
PyFunceble.storage.CONFIGURATION.user_agent.platform,
)
return self[self.prefered_browser][self.prefered_platform]