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Make redown handle code block options #3034

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Make redown handle code block options #3034

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17beaed
Make redown handle code block options
sciencewhiz May 13, 2025
515d4f3
Check if directive is a CodeBlock directive
sciencewhiz May 18, 2025
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22 changes: 20 additions & 2 deletions source/_extensions/redown.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
from pathlib import Path
from sphinx.application import Sphinx
from dataclasses import dataclass
from sphinx.directives.code import CodeBlock


LINK_CORE = r"""
Expand Down Expand Up @@ -67,13 +68,30 @@ def replace(match: re.Match) -> str:

ret = ""
ret += start
ret += btindent + f".. code-block:: {lang}\n\n"
ret += btindent + f".. code-block:: {lang}\n"
cindent = 3 * " "
firstCode = False

for line in code.splitlines(keepends=True):
if line.strip() == "":
if line.strip().startswith(":") and not firstCode:
colon_start = line.find(":")
colon_end = line.rfind(":")
if colon_start != -1 and colon_end != -1 and colon_start < colon_end:
option = line[colon_start + 1 : colon_end].strip()
if option in CodeBlock.option_spec:
ret += cindent + line
else:
ret += "\n" + cindent + line
firstCode = True
elif line.strip() == "":
if not firstCode:
firstCode = True
ret += "\n"
ret += "\n"
else:
if not firstCode:
firstCode = True
ret += "\n"
ret += cindent + line

return ret
Expand Down