U j@sUdZddlmZddlmZddlmZddlmZm Z ddl m Z ddl m Z erfddlmZmZe d Zeed d Zd ed <ed krd neejZdddddZdd dddZdd dddZeeZded<ddddZee jddd d!d"ZdddgZd S)#zThis module identifies timezones. Normally, timezones have ids. This is a way to access the ids if you have a datetime.tzinfo object. ) annotations) defaultdict)Path) TYPE_CHECKINGOptional)tz)equivalent_timezone_ids_result)datetimetzinfoUTC _filenameNz Optional[str]DATEUTIL_UTC_PATHzOptional[tzinfo]z tuple[str])r returncCs|dkr dSt|dr t|jSt|dr4t|jSt|tjrJt|jSt|tjr`t|j St|drt dk r|j }| t t rt t|t }t|St|St|tjrtdSdS)apGet several timezone ids if we can identify the timezone. >>> import zoneinfo >>> from icalendar.timezone.tzid import tzids_from_tzinfo >>> tzids_from_tzinfo(zoneinfo.ZoneInfo("Arctic/Longyearbyen")) ('Arctic/Longyearbyen', 'Atlantic/Jan_Mayen', 'Europe/Berlin', 'Europe/Budapest', 'Europe/Copenhagen', 'Europe/Oslo', 'Europe/Stockholm', 'Europe/Vienna') >>> from dateutil.tz import gettz >>> tzids_from_tzinfo(gettz("Europe/Berlin")) ('Europe/Berlin', 'Arctic/Longyearbyen', 'Atlantic/Jan_Mayen', 'Europe/Budapest', 'Europe/Copenhagen', 'Europe/Oslo', 'Europe/Stockholm', 'Europe/Vienna') Nzonekeyr r )hasattrget_equivalent_tzidsrr isinstancerZ _tzicalvtzZ_tzidZtzstrZ_sDATEUTIL_ZONEINFO_PATHr startswithstrr relative_toZtzutc)r pathtzidrr;/tmp/pip-unpacked-wheel-g40nyxg1/icalendar/timezone/tzid.pytzids_from_tzinfos(           rcCs$t|}d|krdS|sdS|dS)zRetrieve the timezone id from the tzinfo object. Some timezones are equivalent. Thus, we might return one ID that is equivelant to others. r Nr)r)r Ztzidsrrrtzid_from_tzinfo>s rr )dtrcCst|j}|dkr|S|S)z2Retrieve the timezone id from the datetime object.N)rr tzname)rrrrr tzid_from_dtLs r zdict[str, set[str]]_EQUIVALENT_IDSztuple | dict | set)valuecCszt|tr$|D]}t||qnRt|trs(      #