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"Parsing" weird iCal timezones and converting them to standard timezones with GPT-3.5-turbo
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# An iCal VTIMEZOME component looks like this: | |
# | |
# BEGIN:VTIMEZONE | |
# TZID:Romance Standard Time | |
# BEGIN:STANDARD | |
# DTSTART:16010101T030000 | |
# TZOFFSETFROM:+0200 | |
# TZOFFSETTO:+0100 | |
# RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=10 | |
# END:STANDARD | |
# BEGIN:DAYLIGHT | |
# DTSTART:16010101T020000 | |
# TZOFFSETFROM:+0100 | |
# TZOFFSETTO:+0200 | |
# RRULE:FREQ=YEARLY;INTERVAL=1;BYDAY=-1SU;BYMONTH=3 | |
# END:DAYLIGHT | |
# END:VTIMEZONE | |
vtimezones = {str(vtimezone.get('TZID')): vtimezone.to_ical().decode('utf-8') for vtimezone in cal.walk('VTIMEZONE')} | |
for vtimezone in cal.walk('VTIMEZONE'): | |
cal.subcomponents.remove(vtimezone) | |
class TZMapping(BaseModel): | |
ical_tz: str | |
pytz_tz: str | |
class TZMappings(BaseModel): | |
mappings: List[TZMapping] | |
result = ai.chat.completions.create( | |
model="gpt-3.5-turbo", | |
response_model=TZMappings, | |
messages=[ | |
{ | |
"role": "system", | |
"content": ( | |
"Inspect the provided iCal timezones and provide the corresponding pytz timezones. " + | |
"Return a mapping from the key of the user-provided iCal timezone to the value of the corresponding pytz timezone.") | |
}, | |
{ | |
"role": "user", | |
"content": json.dumps(vtimezones) | |
} | |
] | |
) | |
tzmap = {tzm.ical_tz: tzm.pytz_tz for tzm in result.mappings} | |
# tzmap looks like this: | |
# {'Romance Standard Time': 'Europe/Paris', ...} |
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