def clean(self, value):
value = super(LocalizedDateTimeField, self).clean(value)
if value is None: # field was likely not required
return None
if not hasattr(self.timezone, 'localize'):
self.timezone = pytz.timezone(smart_str(get_timezone()))
value = self.timezone.localize(value)
return value
def clean(self, value):
value = super(LocalizedDateTimeField, self).clean(value)
if value is None: # field was likely not required
return None
if not hasattr(self.timezone, 'localize'):
self.timezone = pytz.timezone(smart_str(get_timezone()))
value = self.timezone.localize(value)
return value
def get_timezone_for_instance(self, instance):
timezoneish = self.timezone
# 1. Callable?
if callable(timezoneish):
timezoneish = timezoneish(instance)
# 2. Attribute?
if isinstance(timezoneish, basestring) and hasattr(instance, timezoneish):
timezoneish = getattr(instance, timezoneish)
# Callable (i.e. object method) ?
if callable(timezoneish):
timezoneish = timezoneish()
# 3. At this point, timezoneish should be a string or a tzinfo-object
return get_timezone(timezoneish, default_tz)
def __init__(self, timezone=None, *args, **kwargs):
super(LocalizedDateTimeField, self).__init__(*args, **kwargs)
self.timezone = timezone or get_timezone()
from django.conf import settings
from django.db import models
from django.db.models import signals
from django.utils.encoding import smart_unicode, smart_str
import pytz
from timezones import zones
from timezones.utils import coerce_timezone_value, validate_timezone_max_length, get_timezone
MAX_TIMEZONE_LENGTH = getattr(settings, "MAX_TIMEZONE_LENGTH", 100)
default_tz = pytz.timezone(getattr(settings, "TIME_ZONE", "UTC"))
INTERNAL_TZ = get_timezone(getattr(settings, 'TIMEZONES_INTERNAL_TZ', pytz.utc))
class TimeZoneField(models.CharField):
__metaclass__ = models.SubfieldBase
def __init__(self, *args, **kwargs):
validate_timezone_max_length(MAX_TIMEZONE_LENGTH, zones.ALL_TIMEZONE_CHOICES)
defaults = {
"max_length": MAX_TIMEZONE_LENGTH,
"default": settings.TIME_ZONE,
"choices": zones.PRETTY_TIMEZONE_CHOICES
}
def __init__(self, timezone=None, *args, **kwargs):
super(LocalizedDateTimeField, self).__init__(*args, **kwargs)
self.timezone = timezone or get_timezone()