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How to use _many_to_one_pivot method in autotest

Best Python code snippet using autotest_python

model_logic.py

Source:model_logic.py

...196        # look for a field on related_model relating to this model197        for field in related_model._meta.fields:198            if self._is_relation_to(field, self.model):199                # many-to-one200                return self._many_to_one_pivot(base_objects_by_id,201                                               related_model, field)202        for field in related_model._meta.many_to_many:203            if self._is_relation_to(field, self.model):204                # many-to-many205                return self._many_to_many_pivot(206                    base_objects_by_id, related_model, field.m2m_db_table(),207                    field.m2m_reverse_name(), field.m2m_column_name())208        # maybe this model has the many-to-many field209        for field in self.model._meta.many_to_many:210            if self._is_relation_to(field, related_model):211                return self._many_to_many_pivot(212                    base_objects_by_id, related_model, field.m2m_db_table(),213                    field.m2m_column_name(), field.m2m_reverse_name())214        raise ValueError('%s has no relation to %s' %215                         (related_model, self.model))216    def _many_to_one_pivot(self, base_objects_by_id, related_model,217                           foreign_key_field):218        """219        @returns a pivot iterator - see _get_pivot_iterator()220        """221        filter_data = {foreign_key_field.name + '__pk__in':222                       base_objects_by_id.keys()}223        for related_object in related_model.objects.filter(**filter_data):224            fresh_base_object = getattr(related_object, foreign_key_field.name)225            # lookup base object in the dict -- we need to return instances from226            # the dict, not fresh instances of the same models227            base_object = base_objects_by_id[fresh_base_object._get_pk_val()]228            yield base_object, related_object229    def _query_pivot_table(self, base_objects_by_id, pivot_table,230                           pivot_from_field, pivot_to_field):...

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