81 lines
2.3 KiB
Python
Executable File
81 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Write hanja.dict from a one-Hanja-per-row UTF-8 source."""
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import sys
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from pathlib import Path
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SOURCE = Path(__file__).with_name("hanja.src")
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MAXCANDIDATES = 32
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def ishangul(s):
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return len(s) == 1 and 0xAC00 <= ord(s) <= 0xD7A3
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def ishanja(s):
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if len(s) != 1:
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return False
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c = ord(s)
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return (0x3400 <= c <= 0x4DBF
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or 0x4E00 <= c <= 0x9FFF
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or 0xF900 <= c <= 0xFAFF)
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def read(path):
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comments = []
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table = {}
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seen = set()
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leading = True
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with path.open(encoding="utf-8") as src:
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for lineno, raw in enumerate(src, 1):
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line = raw.rstrip("\r\n")
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if not line:
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continue
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if line.startswith("#"):
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if leading:
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comments.append(";;" + line[1:])
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continue
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leading = False
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fields = line.split("\t")
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if len(fields) != 2:
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raise ValueError(f"{path}:{lineno}: need Hanja<TAB>reading")
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hanja, reading = fields
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if not ishanja(hanja):
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raise ValueError(f"{path}:{lineno}: need one BMP Hanja character")
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if not ishangul(reading):
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raise ValueError(f"{path}:{lineno}: need one Hangul syllable")
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pair = (hanja, reading)
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if pair in seen:
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raise ValueError(f"{path}:{lineno}: duplicate Hanja reading")
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seen.add(pair)
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table.setdefault(reading, []).append(hanja)
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if not seen:
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raise ValueError(f"{path}: no Hanja readings")
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return comments, table
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def main():
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sys.stdout.reconfigure(encoding="utf-8")
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sys.stderr.reconfigure(encoding="utf-8")
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if len(sys.argv) > 2:
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print(f"usage: {sys.argv[0]} [hanja.src]", file=sys.stderr)
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return 2
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path = Path(sys.argv[1]) if len(sys.argv) == 2 else SOURCE
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try:
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comments, table = read(path)
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for line in comments:
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print(line)
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if comments:
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print()
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for reading, candidates in table.items():
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print(f"{reading}\t{' '.join(candidates[:MAXCANDIDATES])}")
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except (OSError, UnicodeError, ValueError) as error:
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print(error, file=sys.stderr)
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return 1
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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