74 lines
1.9 KiB
Python
Executable File
74 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Verify the text maps and dictionaries consumed by strans."""
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import argparse
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import sys
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from pathlib import Path
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def verify(path):
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errors = []
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try:
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data = path.read_bytes()
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except OSError as error:
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return [f"{path}: {error.strerror}"]
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try:
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text = data.decode("utf-8")
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except UnicodeDecodeError as error:
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return [f"{path}: invalid UTF-8: {error}"]
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keys = {}
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for lineno, line in enumerate(text.split("\n"), 1):
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where = f"{path}:{lineno}"
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if "\r" in line:
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errors.append(f"{where}: carriage return is not canonical")
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line = line.replace("\r", "")
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if not line or line.startswith(";"):
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continue
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if "\0" in line:
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errors.append(f"{where}: embedded NUL")
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if line.count("\t") != 1:
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errors.append(f"{where}: expected exactly one tab")
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continue
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key, value = line.split("\t")
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if not key:
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errors.append(f"{where}: empty key")
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if len(key) > 64:
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errors.append(f"{where}: key has {len(key)} runes; maximum is 64")
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if key in keys:
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errors.append(f"{where}: duplicate key; first defined on line {keys[key]}")
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else:
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keys[key] = lineno
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if not value:
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errors.append(f"{where}: empty value")
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continue
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if value != " ".join(value.split(" ")):
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errors.append(f"{where}: noncanonical candidate spacing")
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values = value.split(" ")
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if path.name.endswith(".map"):
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if len(value) > 64:
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errors.append(f"{where}: value exceeds 64 runes")
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else:
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for candidate in values:
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if len(candidate) > 64:
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errors.append(f"{where}: candidate exceeds 64 runes")
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if len(values) != len(set(values)):
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errors.append(f"{where}: duplicate candidate")
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return errors
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("file", nargs="+", type=Path)
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args = parser.parse_args()
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errors = []
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for path in args.file:
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errors.extend(verify(path))
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for error in errors:
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print(error, file=sys.stderr)
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return bool(errors)
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if __name__ == "__main__":
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raise SystemExit(main())
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