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:param url: url of the resource pointed to (href of the link)
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file has been yanked, or None if the file hasn't been yanked.
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a simple repository HTML link. If the file has been yanked but
no reason was provided, this should be the empty string. See
PEP 592 for more information and the specification.
:param cache_link_parsing: A flag that is used elsewhere to determine
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