#34214: Bug in default for TimeField when using a timezone
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Reporter: PierreAnquetil | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 4.1
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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Hi !
In Python, a datetime.time instance can have a timezone.
For a Timefield model in Django, which represents a datetime.time
instance, it should be logic to use a datetime.time to set a default.
In fact, it's partially possible :
models.TimeField(null=False,blank=False,default=time(18,30,0,0,None)) or
models.TimeField(null=False,blank=False,default=time(18,30,0,0)) works
But when you want to use a timezone on your default, it does not work :
models.TimeField(null=False,blank=False,default=time(18,30,0,0,tz.gettz('Europe/Paris')))
dont works.
In Django 3.1, the error was that it was not possible to use <= between
timefieldand Datetimefield. So i guess the error was that when setting a
timezone on a time, when the default of timefield had a timezone set,
django was converting it in a datetimefield.
In Django 4.1, the error message changed : NameError : name 'tzfile' is
not defined.
In my models.py, i use :
from dateutil import tz
...
heure_midi=models.TimeField(null=False,blank=False,default=time(18,30,0,0,tz.gettz('Europe/Paris')))
It's transformed in the migration in :
import datetime
...
migrations.AddField(
model_name='restaurant',
name='heure_soir',
field=models.TimeField(default=datetime.time(18, 30,
tzinfo=tzfile('Europe/Paris'))),
),
the import datetime works, but there is no import tz or anything, and the
tz.gettz has been changed in "tzfile"
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Ticket URL: <https://code.djangoproject.com/ticket/34214>
Django <https://code.djangoproject.com/>
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