53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
"""Logging utilities for NFOguard"""
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from datetime import datetime, timezone
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import os
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def _get_local_timezone():
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"""Get the local timezone, respecting TZ environment variable"""
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tz_name = os.environ.get('TZ', 'UTC')
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try:
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# Try zoneinfo first (Python 3.9+)
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from zoneinfo import ZoneInfo
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return ZoneInfo(tz_name)
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except ImportError:
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# Fallback for older Python versions
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try:
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import pytz
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return pytz.timezone(tz_name)
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except:
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# Final fallback to UTC
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return timezone.utc
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except:
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# If zone name is invalid, fallback to UTC
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return timezone.utc
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def _log(level: str, msg: str):
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"""Basic logging function that writes to console"""
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tz = _get_local_timezone()
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print(f"[{datetime.now(tz).isoformat(timespec='seconds')}] {level}: {msg}")
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def convert_utc_to_local(utc_iso_string: str) -> str:
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"""Convert UTC ISO timestamp to local timezone timestamp"""
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if not utc_iso_string:
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return utc_iso_string
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try:
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# Parse UTC timestamp
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if utc_iso_string.endswith('Z'):
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dt_utc = datetime.fromisoformat(utc_iso_string.replace('Z', '+00:00'))
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elif '+00:00' in utc_iso_string:
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dt_utc = datetime.fromisoformat(utc_iso_string)
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else:
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# Assume UTC if no timezone info
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dt_utc = datetime.fromisoformat(utc_iso_string).replace(tzinfo=timezone.utc)
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# Convert to local timezone
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local_tz = _get_local_timezone()
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dt_local = dt_utc.astimezone(local_tz)
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return dt_local.isoformat(timespec='seconds')
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except Exception:
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# If conversion fails, return original
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return utc_iso_string |