def compress(self, data_list):
if data_list:
# Raise a validation error if time or date is empty
# (possible if SplitDateTimeField has required=False).
if data_list[0] in validators.EMPTY_VALUES:
raise ValidationError(self.error_messages['invalid_date'])
if data_list[1] in validators.EMPTY_VALUES:
raise ValidationError(self.error_messages['invalid_time'])
result = datetime.datetime.combine(*data_list)
return from_current_timezone(result)
return None
def to_python(self, value):
"""
Validates that the input can be converted to a datetime. Returns a
Python datetime.datetime object.
"""
if value in validators.EMPTY_VALUES:
return None
if isinstance(value, datetime.datetime):
return from_current_timezone(value)
if isinstance(value, datetime.date):
result = datetime.datetime(value.year, value.month, value.day)
return from_current_timezone(result)
if isinstance(value, list):
# Input comes from a SplitDateTimeWidget, for example. So, it's two
# components: date and time.
if len(value) != 2:
raise ValidationError(self.error_messages['invalid'])
if value[0] in validators.EMPTY_VALUES and value[1] in validators.EMPTY_VALUES:
return None
value = '%s %s' % tuple(value)
result = super(DateTimeField, self).to_python(value)
return from_current_timezone(result)
