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"""
Adds 'target="_blank"' to links, so they open in a new tab.
Filter base urls can be added so that every absolute path link containing the filter is ignored by the extension.
Usage:
MyExtension = get_new_tab_links(["example.org"])
"""
import marko.inline
from marko.helpers import MarkoExtension
def __create_new_tab_links(filters: list[str]):
class NewTabLinks:
FILTERS = filters
def render_link(self, element: marko.inline.Link) -> str:
dest_lower = element.dest.lower()
if (dest_lower.startswith("http://") or dest_lower.startswith("https://")) and not any((elem in dest_lower for elem in NewTabLinks.FILTERS)):
return f"<a href=\"{element.dest}\" target=\"_blank\">{self.render_children(element)}</a>"
return super().render_link(element)
return NewTabLinks
def get_new_tab_links(filters: list[str] = None):
if filters is None:
filters = []
return MarkoExtension(
renderer_mixins=[__create_new_tab_links(filters)]
)
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