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https://github.com/TinyTapeout/tt-support-tools.git
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55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
import math
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import os
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from typing import Any, Dict
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import mistune
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from mistune.renderers.markdown import MarkdownRenderer
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class HeadingsRenderer(MarkdownRenderer):
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def __init__(self, min_level: int):
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super().__init__()
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self.min_level = min_level
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self.initial_level = math.inf
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def heading(self, token: Dict[str, Any], state: Any):
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if self.initial_level == math.inf:
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self.initial_level = token["attrs"]["level"]
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token["attrs"]["level"] = self.min_level + max(
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token["attrs"]["level"] - self.initial_level, 0
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)
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return super().heading(token, state)
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def limit_markdown_headings(source: str, min_level: int) -> str:
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markdown = mistune.create_markdown(renderer=HeadingsRenderer(min_level))
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return str(markdown(source))
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def unescape_braces(text: str) -> str:
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return text.replace("%7B", "{").replace("%7D", "}")
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class ImagePathRewriterRenderer(MarkdownRenderer):
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def __init__(self, prefix: str):
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super().__init__()
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self.prefix = prefix
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def image(self, token, state):
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url = token["attrs"]["url"]
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if "%7B" in url:
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pass
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elif "://" not in url and not url.startswith("/"):
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url = os.path.join(self.prefix, url)
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elif ".." in url:
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url = ""
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elif url.startswith("/"):
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url = os.path.join(self.prefix, "../" + url[1:])
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token["attrs"]["url"] = url
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return super().image(token, state)
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def rewrite_image_paths(source: str, prefix: str) -> str:
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markdown = mistune.create_markdown(renderer=ImagePathRewriterRenderer(prefix))
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return unescape_braces(str(markdown(source)))
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