Nikolay Tatarinov
d02d0a1835
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- Introduced a new `normalize_lang` function to standardize language codes across the application, ensuring consistent handling of user language preferences. - Refactored date handling utilities by adding `parse_utc_iso` and `parse_utc_iso_naive` functions for better parsing of ISO 8601 date strings, enhancing timezone awareness. - Updated various modules to utilize the new language normalization and date parsing functions, improving code clarity and maintainability. - Enhanced error handling in date validation to raise specific `DateRangeValidationError` exceptions, providing clearer feedback on validation issues. - Improved test coverage for date range validation and language normalization functionalities, ensuring robustness and reliability.
33 lines
1011 B
Python
33 lines
1011 B
Python
"""Handover time parsing for duty schedule import."""
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import re
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from datetime import datetime, timezone
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# HH:MM or HH:MM:SS, optional space + timezone (IANA or "UTC")
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HANDOVER_TIME_RE = re.compile(
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r"^\s*(\d{1,2}):(\d{2})(?::(\d{2}))?\s*(?:\s+(\S+))?\s*$", re.IGNORECASE
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)
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def parse_handover_time(text: str) -> tuple[int, int] | None:
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"""Parse handover time string to (hour_utc, minute_utc). Returns None on failure."""
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m = HANDOVER_TIME_RE.match(text)
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if not m:
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return None
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hour = int(m.group(1))
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minute = int(m.group(2))
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# second = m.group(3) ignored
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tz_str = (m.group(4) or "").strip()
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if not tz_str or tz_str.upper() == "UTC":
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return (hour % 24, minute)
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from zoneinfo import ZoneInfo
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try:
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tz = ZoneInfo(tz_str)
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except Exception:
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return None
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# Build datetime in that tz and convert to UTC
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dt = datetime(2000, 1, 1, hour, minute, 0, tzinfo=tz)
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utc = dt.astimezone(timezone.utc)
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return (utc.hour, utc.minute)
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