Method __init__

mypy/dmypy_server.py:176–206

Initialize the server with the desired mypy flags.

(self, options: Options, status_file: str, timeout: int | None = None)

    # serve() is called in the grandchild (by daemonize()).

    def __init__(self, options: Options, status_file: str, timeout: int | None = None) -> None:
        """Initialize the server with the desired mypy flags."""
        self.options = options
        # Snapshot the options info before we muck with it, to detect changes
        self.options_snapshot = options.snapshot()
        self.timeout = timeout
        self.fine_grained_manager: FineGrainedBuildManager | None = None

        if os.path.isfile(status_file):
            os.unlink(status_file)

        self.fscache = FileSystemCache()

        options.raise_exceptions = True
        options.incremental = True
        options.fine_grained_incremental = True
        options.show_traceback = True
        if options.use_fine_grained_cache:
            # Using fine_grained_cache implies generating and caring
            # about the fine grained cache
            options.cache_fine_grained = True
        else:
            options.cache_dir = os.devnull
        # Fine-grained incremental doesn't support general partial types
        # (details in https://github.com/python/mypy/issues/4492)
        options.local_partial_types = True
        self.status_file = status_file

        # Since the object is created in the parent process we can check
        # the output terminal options here.
        self.formatter = FancyFormatter(sys.stdout, sys.stderr, options.hide_error_codes)

    def _response_metadata(self) -> dict[str, str]:
        py_version = f"{self.options.python_version[0]}_{self.options.python_version[1]}"