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"""
The tool to check the availability or syntax of domain, IP or URL.
::
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██╔═══╝ ╚██╔╝ ██╔══╝ ██║ ██║██║╚██╗██║██║ ██╔══╝ ██╔══██╗██║ ██╔══╝
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╚═╝ ╚═╝ ╚═╝ ╚═════╝ ╚═╝ ╚═══╝ ╚═════╝╚══════╝╚═════╝ ╚══════╝╚══════╝
Provides an interface which let us interact with the IPv4 reputation database.
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://docs.pyfunceble.com
Project homepage:
https://pyfunceble.github.io/
License:
::
Copyright 2017, 2018, 2019, 2020, 2022, 2023, 2024, 2025 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
https://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.
"""
from typing import Any, Optional
from PyFunceble.dataset.base import DatasetBase
from PyFunceble.downloader.ipv4_reputation import IPV4ReputationDownloader
from PyFunceble.helpers.file import FileHelper
class IPV4ReputationDataset(DatasetBase):
"""
Provides the interface for the lookup of the IPv4 reputation.
"""
STORAGE_INDEX: Optional[str] = None
downloader: Optional[IPV4ReputationDownloader] = None
def __init__(self) -> None:
self.downloader = IPV4ReputationDownloader()
self.source_file = self.downloader.destination
def __contains__(self, value: Any) -> bool:
with self.get_content() as file_stream:
for line in file_stream:
line = line.strip()
if line.startswith(f"{value}#"):
return True
return False
@DatasetBase.ensure_source_file_exists
def get_content(self) -> open:
"""
Provides a file handler which does let you read the content line by
line.
:raise FileNotFoundError:
When the declared file does not exists.
"""
file_helper = FileHelper(self.source_file)
if not file_helper.exists() and bool(self.downloader): # pragma: no cover
## pragma reason: Safety.
self.downloader.start()
if not file_helper.exists():
raise FileNotFoundError(file_helper.path)
return file_helper.open("r", encoding="utf-8")
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