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36 lines
887 B
Python
Executable file
36 lines
887 B
Python
Executable file
#!/usr/bin/env python3
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"""
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Filter program for transforming the Pandoc AST
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"""
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import json
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import sys
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TITLE = "Documentation"
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def main():
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data = json.load(sys.stdin)
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# Check and remove level 1 header
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level1_header = [
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(i, content) for i, (level, _, content)
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in ((i, b["c"]) for i, b in enumerate(data["blocks"])
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if b["t"] == "Header")
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if level == 1]
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if (len(level1_header) != 1
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or level1_header[0][1] != [{"t": "Str", "c": TITLE}]):
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print("ERROR: Document must contain single level 1 heading %r" % TITLE,
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file=sys.stderr)
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sys.exit(1)
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for i, _ in reversed(level1_header):
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del data["blocks"][i]
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# Use level 1 heading as title
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data["meta"]["title"] = {"t": "MetaInlines", "c": level1_header[0][1]}
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json.dump(data, sys.stdout)
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if __name__ == "__main__":
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main()
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