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from marko import inline
from marko.helpers import MarkoExtension
class ExtendedImage(inline.InlineElement):
pattern = r'!\[(.*)\]\(((?:[^"\s\\]|\\.)+|"(?:[^"\\]|\\.)*")\s((?:[^"\s\\]|\\.)+|"(?:[^"\\]|\\.)*")\s((?:[^"\s\\]|\\.)+|"(?:[^"\\]|\\.)*")\s((?:[^"\s\\]|\\.)+|"(?:[^"\\]|\\.)*")\)'
parse_children = True
def __init__(self, match):
self.alt = self.__strip_quotes(match.group(1))
self.src = self.__strip_quotes(match.group(2))
self.title = self.__strip_quotes(match.group(3))
self.href = self.__strip_quotes(match.group(4))
self.figcaption = self.__strip_quotes(match.group(5))
@staticmethod
def __strip_quotes(text: str) -> str:
if text.startswith('"'):
return text[1:-1]
return text
class ExtendedImageRenderer:
def render_extended_image(self, element):
img = f'<img src="{element.src}" title="{element.title}" alt="{element.alt}" />'
if element.href != "":
img = f'<a href="{element.href}">{img}</a>'
if element.figcaption != "":
img = f"<figure>{img}<figcaption>{element.figcaption}</figcaption></figure>"
return img
ExtendedImage = MarkoExtension(
elements=[ExtendedImage],
renderer_mixins=[ExtendedImageRenderer]
)
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