def _create_data_validation(self, field):
allow_blank = not util_model.is_mandatory(field)
dv = None
if util_model.is_lookup_field(field) and util_model.has_related_objects(field):
# here we expect that the lookup has been registered as named range.
# The name of the lookup is the lookup model name (see _write_lookups)
strict = util_model.is_strict_lookup_field(field)
lookup_name = util_model.get_field_lookup_model_name(field)
dv = util_xls.create_list_validation(lookup_name, strict=strict, allow_blank=allow_blank)
elif util_model.has_choices(field):
# Should we also add the choices in the Lookups sheet?
values = [str(choice[1]) for choice in util_model.get_field_choices(field)]
strict = True
dv = util_xls.create_list_validation(values, strict=strict, allow_blank=allow_blank)
elif util_model.is_boolean_field(field):
allow_blank = True # blank is False
values = ['Y', 'N']
strict = False
dv = util_xls.create_list_validation(values, strict=strict, allow_blank=allow_blank)
# species. Hack! Last minute update. We want species data validation on animals only
elif util_model.is_species_observation_field(field)\
and self.file_species is not None \
and field.model._meta.app_label == 'animals':
# we expect here that a range call species has been registered (see _write_species)
strict = False
dv = util_xls.create_list_validation('species', strict=strict, allow_blank=allow_blank)
return dv
def get_field_data(field_):
return {
'name': field_.name,
'is_datasheet_field': utils_model.is_template_field(field_),
'datasheet_name': utils_model.get_datasheet_field_name(field_),
'is_lookup': utils_model.is_lookup_field(field_),
'is_mandatory': utils_model.is_mandatory(field_),
'is_species_name': utils_model.is_species_observation_field(field_),
'is_strict_lookup': utils_model.is_strict_lookup_field(field_),
'is_boolean': utils_model.is_boolean_field(field_),
'is_extra_species_attribute': utils_model.is_species_observation_extra_attribute(field),
}
def to_field_value_raise(field, value, commit=True, site_visit=None, row_data=None):
if is_blank(value):
if util_model.is_mandatory(field):
message = "Mandatory field with no data {field}.".format(field=field.verbose_name)
raise ValidationException(message)
# Every next conversion functions should handle a blank/None value
if util_model.is_lookup_field(field):
return to_lookup_raise(field, value, commit=commit)
if util_model.has_choices(field):
return to_choice_raise(field, value)
if util_model.is_boolean_field(field):
return to_boolean_raise(value)
if util_model.is_integer_field(field):
return to_integer_raise(value)
if util_model.is_float_field(field):
return to_float_raise(value)
if util_model.is_date_field(field):
return to_date_raise(value)
if util_model.is_string_field(field):
return to_string(value)
if util_model.is_species_observation_field(field):
return to_species_observation_raise(value, site_visit, commit=commit, row_data=row_data)
return value