26 lines
728 B
Python
26 lines
728 B
Python
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from __future__ import annotations
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import re
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from datetime import date
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from pathlib import Path
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def parse_dates_text(text: str) -> list[date]:
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dates: list[date] = []
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for line in text.splitlines():
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line = line.strip()
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if not line or line.startswith("#"):
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continue
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for token in re.split(r"[\s,;]+", line):
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token = token.strip()
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if token:
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dates.append(date.fromisoformat(token))
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return sorted(set(dates))
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def parse_dates_file(path: str | Path) -> list[date]:
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content = Path(path).read_text(encoding="utf-8")
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dates = parse_dates_text(content)
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if not dates:
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raise ValueError(f"No dates found in {path}")
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return dates
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