__init__.py 文件源码

def __init__(self, uri):
    # type: (Union[Text, SplitResult]) -> None
    super(HttpAdapter, self).__init__()

    if isinstance(uri, text_type):
      uri = compat.urllib_parse.urlsplit(uri) # type: SplitResult

    if uri.scheme not in self.supported_protocols:
      raise with_context(
        exc = InvalidUri('Unsupported protocol {protocol!r}.'.format(
          protocol = uri.scheme,
        )),

        context = {
          'uri': uri,
        },
      )

    if not uri.hostname:
      raise with_context(
        exc = InvalidUri(
          'Empty hostname in URI {uri!r}.'.format(
            uri = uri.geturl(),
          ),
        ),

        context = {
          'uri': uri,
        },
      )

    try:
      # noinspection PyStatementEffect
      uri.port
    except ValueError:
      raise with_context(
        exc = InvalidUri(
          'Non-numeric port in URI {uri!r}.'.format(
            uri = uri.geturl(),
          ),
        ),

        context = {
          'uri': uri,
        },
      )

    self.uri = uri