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[EDIT] FILE: reports_handler_mix_in.py

# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt

from __future__ import annotations

import collections
from collections.abc import MutableSequence
from typing import TYPE_CHECKING, DefaultDict, List, Tuple

from pylint.exceptions import EmptyReportError
from pylint.reporters.ureports.nodes import Section
from pylint.typing import ReportsCallable
from pylint.utils import LinterStats

if TYPE_CHECKING:
    from pylint.checkers import BaseChecker
    from pylint.lint.pylinter import PyLinter

ReportsDict = DefaultDict["BaseChecker", List[Tuple[str, str, ReportsCallable]]]

class ReportsHandlerMixIn:
    """A mix-in class containing all the reports and stats manipulation
    related methods for the main lint class.
    """

def __init__(self) -> None:
        self._reports: ReportsDict = collections.defaultdict(list)
        self._reports_state: dict[str, bool] = {}

def report_order(self) -> MutableSequence[BaseChecker]:
        """Return a list of reporters."""
        return list(self._reports)

def register_report(
        self, reportid: str, r_title: str, r_cb: ReportsCallable, checker: BaseChecker
    ) -> None:
        """Register a report.

:param reportid: The unique identifier for the report
        :param r_title: The report's title
        :param r_cb: The method to call to make the report
        :param checker: The checker defining the report
        """
        reportid = reportid.upper()
        self._reports[checker].append((reportid, r_title, r_cb))

def enable_report(self, reportid: str) -> None:
        """Enable the report of the given id."""
        reportid = reportid.upper()
        self._reports_state[reportid] = True

def disable_report(self, reportid: str) -> None:
        """Disable the report of the given id."""
        reportid = reportid.upper()
        self._reports_state[reportid] = False

def report_is_enabled(self, reportid: str) -> bool:
        """Is the report associated to the given identifier enabled ?"""
        return self._reports_state.get(reportid, True)

def make_reports(  # type: ignore[misc] # ReportsHandlerMixIn is always mixed with PyLinter
        self: PyLinter,
        stats: LinterStats,
        old_stats: LinterStats | None,
    ) -> Section:
        """Render registered reports."""
        sect = Section("Report", f"{self.stats.statement} statements analysed.")
        for checker in self.report_order():
            for reportid, r_title, r_cb in self._reports[checker]:
                if not self.report_is_enabled(reportid):
                    continue
                report_sect = Section(r_title)
                try:
                    r_cb(report_sect, stats, old_stats)
                except EmptyReportError:
                    continue
                report_sect.report_id = reportid
                sect.append(report_sect)
        return sect

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