def fix_urls(el: Element, base_url: str, broken_urls: List[str],
urls_to_change: dict) -> Tuple[Callable, List[str]]:
"""
Given an HTML element, turns all ``href`` parameters of ``a`` elements
inside it into fully-qualified absolute URLs instead of the relative paths
that are common in the tips content.
:arg Element el: ``lxml.html.Element`` object, the content to change.
:arg str base_url: The URL for the page, which serves as the absolute
point with which to calculate the absolute paths.
:arg list broken_urls: The list of broken URLs to add to as we find them.
:arg dict[str, str] urls_to_change: Known broken URLs and their
replacements.
:rtype: tuple[Element, list]
:returns: The Element with its ``a`` elements altered, and the list of
broken URLs.
"""
tested_urls = [] # type: List[str]
for desc in el.iterdescendants():
if desc.tag == "a" and "href" in desc.attrib:
fixed_url, tested_urls, broken_urls = fix_url(
base_url, desc.attrib["href"], tested_urls, broken_urls,
urls_to_change)
desc.attrib["href"] = fixed_url
return (el, broken_urls)
def inner_html(node: Element) -> str:
return ''.join([
etree.tostring(child, encoding="utf-8").decode("utf-8")
for child in node.iterdescendants()
])
