Class Reports

mypy/report.py:58–100

class Reports:
    def __init__(self, data_dir: str, report_dirs: dict[str, str]) -> None:
        self.data_dir = data_dir
        self.reporters: list[AbstractReporter] = []
        self.named_reporters: dict[str, AbstractReporter] = {}

        for report_type, report_dir in sorted(report_dirs.items()):
            self.add_report(report_type, report_dir)

    def add_report(self, report_type: str, report_dir: str) -> AbstractReporter:
        try:
            return self.named_reporters[report_type]
        except KeyError:
            pass
        reporter_cls, needs_lxml = reporter_classes[report_type]
        if needs_lxml and not LXML_INSTALLED:
            print(
                (
                    "You must install the lxml package before you can run mypy"
                    " with `--{}-report`.\n"
                    "You can do this with `python3 -m pip install lxml`."
                ).format(report_type),
                file=sys.stderr,
            )
            raise ImportError
        reporter = reporter_cls(self, report_dir)
        self.reporters.append(reporter)
        self.named_reporters[report_type] = reporter
        return reporter

    def file(
        self,
        tree: MypyFile,
        modules: dict[str, MypyFile],
        type_map: dict[Expression, Type],
        options: Options,
    ) -> None:
        for reporter in self.reporters:
            reporter.on_file(tree, modules, type_map, options)

    def finish(self) -> None:
        for reporter in self.reporters:
            reporter.on_finish()


class AbstractReporter(metaclass=ABCMeta):