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# Whois

The tool to check the availability or syntax of domain, IP or URL.

::

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Provides the our whois DB migrator.

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.

## `WhoisJSON2CSVMigrator`

Bases: `JSON2CSVMigratorBase`

The migrator of the inactive database dile.

Source code in `PyFunceble/cli/migrators/json2csv/whois.py`

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    class WhoisJSON2CSVMigrator(JSON2CSVMigratorBase):
        """
        The migrator of the inactive database dile.
        """

        dataset: Optional[CSVWhoisDataset] = CSVWhoisDataset()

        def __post_init__(self) -> None:
            self.source_file = os.path.join(
                self.config_dir,
                PyFunceble.cli.storage.WHOIS_DB_OLD_FILE,
            )

            self.dataset = CSVWhoisDataset()
            return super().__post_init__()

        def migrate(self) -> "WhoisJSON2CSVMigrator":
            """
            Provides the migration logic.
            """

            file_helper = FileHelper(self.source_file)

            if file_helper.exists():
                self.dataset.set_authorized(True)
                dataset = {
                    "subject": None,
                    "idna_subject": None,
                    "expiration_date": None,
                    "epoch": None,
                }

                delete_file = True

                with file_helper.open("r", encoding="utf-8") as file_stream:
                    for line in file_stream:
                        if (
                            self.continuous_integration
                            and self.continuous_integration.is_time_exceeded()
                        ):
                            delete_file = False
                            break

                        line = (
                            line.strip()
                            .replace('"', "")
                            .replace(",", "")
                            .replace(
                                "{",
                                "",
                            )
                            .replace("}", "")
                        )

                        if ":" not in line:
                            continue

                        index, value = [x.strip() for x in line.split(":")]

                        if not value:
                            dataset["subject"], dataset["idna_subject"] = (
                                index,
                                domain2idna.domain2idna(index),
                            )
                            continue

                        if index == "epoch":
                            dataset["epoch"] = float(value)
                        elif index == "expiration_date":
                            dataset["expiration_date"] = value
                        elif index == "state":
                            PyFunceble.facility.Logger.debug(
                                "Decoded dataset:\n%r.", dataset
                            )

                            self.dataset.update(dataset)

                            if self.print_action_to_stdout:
                                print_single_line()

                            PyFunceble.facility.Logger.info(
                                "Added %r into %r", dataset["idna_subject"], self.dataset
                            )

                if delete_file:
                    file_helper.delete()
                    self.done = True
            return self

### `migrate()`

Provides the migration logic.

Source code in `PyFunceble/cli/migrators/json2csv/whois.py`

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    def migrate(self) -> "WhoisJSON2CSVMigrator":
        """
        Provides the migration logic.
        """

        file_helper = FileHelper(self.source_file)

        if file_helper.exists():
            self.dataset.set_authorized(True)
            dataset = {
                "subject": None,
                "idna_subject": None,
                "expiration_date": None,
                "epoch": None,
            }

            delete_file = True

            with file_helper.open("r", encoding="utf-8") as file_stream:
                for line in file_stream:
                    if (
                        self.continuous_integration
                        and self.continuous_integration.is_time_exceeded()
                    ):
                        delete_file = False
                        break

                    line = (
                        line.strip()
                        .replace('"', "")
                        .replace(",", "")
                        .replace(
                            "{",
                            "",
                        )
                        .replace("}", "")
                    )

                    if ":" not in line:
                        continue

                    index, value = [x.strip() for x in line.split(":")]

                    if not value:
                        dataset["subject"], dataset["idna_subject"] = (
                            index,
                            domain2idna.domain2idna(index),
                        )
                        continue

                    if index == "epoch":
                        dataset["epoch"] = float(value)
                    elif index == "expiration_date":
                        dataset["expiration_date"] = value
                    elif index == "state":
                        PyFunceble.facility.Logger.debug(
                            "Decoded dataset:\n%r.", dataset
                        )

                        self.dataset.update(dataset)

                        if self.print_action_to_stdout:
                            print_single_line()

                        PyFunceble.facility.Logger.info(
                            "Added %r into %r", dataset["idna_subject"], self.dataset
                        )

            if delete_file:
                file_helper.delete()
                self.done = True
        return self