# Source code for scrapy.link

    """
    This module defines the Link object used in Link extractors.

    For actual link extractors implementation see scrapy.linkextractors, or
    its documentation in: docs/topics/link-extractors.rst
    """

    class Link:
        """Link objects represent an extracted link by the LinkExtractor.

        Using the anchor tag sample below to illustrate the parameters::

                <a href="https://example.com/nofollow.html#foo" rel="nofollow">Dont follow this one</a>

        :param url: the absolute url being linked to in the anchor tag.
                    From the sample, this is ``https://example.com/nofollow.html``.

        :param text: the text in the anchor tag. From the sample, this is ``Dont follow this one``.

        :param fragment: the part of the url after the hash symbol. From the sample, this is ``foo``.

        :param nofollow: an indication of the presence or absence of a nofollow value in the ``rel`` attribute
                        of the anchor tag.
        """

        __slots__ = ["fragment", "nofollow", "text", "url"]

        def __init__(
            self, url: str, text: str = "", fragment: str = "", nofollow: bool = False
        ):
            if not isinstance(url, str):
                got = url.__class__.__name__
                raise TypeError(f"Link urls must be str objects, got {got}")
            self.url: str = url
            self.text: str = text
            self.fragment: str = fragment
            self.nofollow: bool = nofollow

        def __eq__(self, other: object) -> bool:
            if not isinstance(other, Link):
                raise NotImplementedError
            return (
                self.url == other.url
                and self.text == other.text
                and self.fragment == other.fragment
                and self.nofollow == other.nofollow
            )

        def __hash__(self) -> int:
            return (
                hash(self.url) ^ hash(self.text) ^ hash(self.fragment) ^ hash(self.nofollow)
            )

        def __repr__(self) -> str:
            return (
                f"Link(url={self.url!r}, text={self.text!r}, "
                f"fragment={self.fragment!r}, nofollow={self.nofollow!r})"
            )