utils.py 文件源码

def from_current_timezone(value):
    """
    When time zone support is enabled, convert naive datetimes
    entered in the current time zone to aware datetimes.
    """
    if settings.USE_TZ and value is not None and timezone.is_naive(value):
        current_timezone = timezone.get_current_timezone()
        try:
            return timezone.make_aware(value, current_timezone)
        except Exception:
            message = _(
                '%(datetime)s couldn\'t be interpreted '
                'in time zone %(current_timezone)s; it '
                'may be ambiguous or it may not exist.'
            )
            params = {'datetime': value, 'current_timezone': current_timezone}
            six.reraise(ValidationError, ValidationError(
                message,
                code='ambiguous_timezone',
                params=params,
            ), sys.exc_info()[2])
    return value