def __init__(self, path, defaultType="text/html", ignoredExts=(), registry=None, allowExt=0):
        """
        Create a file with the given path.

        @param path: The filename of the file from which this L{File} will
            serve data.
        @type path: C{str}

        @param defaultType: A I{major/minor}-style MIME type specifier
            indicating the I{Content-Type} with which this L{File}'s data
            will be served if a MIME type cannot be determined based on
            C{path}'s extension.
        @type defaultType: C{str}

        @param ignoredExts: A sequence giving the extensions of paths in the
            filesystem which will be ignored for the purposes of child
            lookup.  For example, if C{ignoredExts} is C{(".bar",)} and
            C{path} is a directory containing a file named C{"foo.bar"}, a
            request for the C{"foo"} child of this resource will succeed
            with a L{File} pointing to C{"foo.bar"}.

        @param registry: The registry object being used to handle this
            request.  If L{None}, one will be created.
        @type registry: L{Registry}

        @param allowExt: Ignored parameter, only present for backwards
            compatibility.  Do not pass a value for this parameter.
        """
        resource.Resource.__init__(self)
        filepath.FilePath.__init__(self, path)
        self.defaultType = defaultType
        if ignoredExts in (0, 1) or allowExt:
            warnings.warn("ignoredExts should receive a list, not a boolean")
            if ignoredExts or allowExt:
                self.ignoredExts = ['*']
            else:
                self.ignoredExts = []
        else:
            self.ignoredExts = list(ignoredExts)
        self.registry = registry or Registry()

        Create a file with the given path.

        @param path: The filename of the file from which this L{File} will
            serve data.
        @type path: C{str}

        @param defaultType: A I{major/minor}-style MIME type specifier
            indicating the I{Content-Type} with which this L{File}'s data
            will be served if a MIME type cannot be determined based on
            C{path}'s extension.
        @type defaultType: C{str}

        @param ignoredExts: A sequence giving the extensions of paths in the
            filesystem which will be ignored for the purposes of child
            lookup.  For example, if C{ignoredExts} is C{(".bar",)} and
            C{path} is a directory containing a file named C{"foo.bar"}, a
            request for the C{"foo"} child of this resource will succeed
            with a L{File} pointing to C{"foo.bar"}.

        @param registry: The registry object being used to handle this
            request.  If L{None}, one will be created.
        @type registry: L{Registry}

        @param allowExt: Ignored parameter, only present for backwards
            compatibility.  Do not pass a value for this parameter.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/web/static.py