MockSet has 40 functions (exceeds 20 allowed). Consider refactoring.

Open

class MockSet(MagicMock, metaclass=MockSetMeta):
    EVENT_ADDED = 'added'
    EVENT_UPDATED = 'updated'
    EVENT_SAVED = 'saved'
    EVENT_DELETED = 'deleted'

Function get_attribute has a Cognitive Complexity of 33 (exceeds 5 allowed). Consider refactoring.

Open

def get_attribute(obj, attr, default=None):
    result = obj
    comparison = None
    if isinstance(attr, F):
        attr = attr.deconstruct()[1][0]

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File query.py has 371 lines of code (exceeds 250 allowed). Consider refactoring.

Open

import datetime
import random
from collections import OrderedDict, namedtuple
from unittest.mock import Mock, MagicMock, PropertyMock

File mocks.py has 360 lines of code (exceeds 250 allowed). Consider refactoring.

Open

import os
import sys
import django
import weakref
from django.apps import apps

Function mocked_relations has a Cognitive Complexity of 18 (exceeds 5 allowed). Consider refactoring.

Open

def mocked_relations(*models):
    """ Mock all related field managers to make pure unit tests possible.

    The resulting patcher can be used just like one from the mock module:
    As a test method decorator, a test class decorator, a context manager,

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File utils.py has 259 lines of code (exceeds 250 allowed). Consider refactoring.

Open

from datetime import datetime, date
from django.core.exceptions import FieldError
from django.db.models import F, Value, Case
from django.db.models.functions import Coalesce
from unittest.mock import Mock

Function aggregate has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

    def aggregate(self, *args, **kwargs):
        result = {}

        for expr in set(args):
            kwargs['{0}__{1}'.format(expr.source_expressions[0].name, expr.function).lower()] = expr

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Function _item_values has a Cognitive Complexity of 14 (exceeds 5 allowed). Consider refactoring.

Open

    def _item_values(self, item, fields):
        field_buckets = {}
        result_count = 1

        if len(fields) == 0:

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Function load_fields has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

    def load_fields(self, *field_names):
        fields = {name: MockField(name) for name in field_names}

        for key in ('_forward_fields_map', 'parents', 'fields_map'):
            self.__dict__[key] = {}

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Function filter_results has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

def filter_results(source, query):
    results = []

    for child in query.children:
        filtered = _filter_single_q(source, child, query.negated)

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Function compiler has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

    def compiler(queryset, using=None, connection=None, elide_empty=True, **kwargs):

Function find_field_names_from_meta has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

def find_field_names_from_meta(meta, annotated=None, **kwargs):
    field_names = {}
    annotated = annotated or []
    concrete_only = kwargs.get('concrete_only', False)

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Function find_all_models has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

def find_all_models(models):
    """ Yield all models and their parents. """
    for model in models:
        yield model
        # noinspection PyProtectedMember

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Function _get_order_fields has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

    def _get_order_fields(self, fields, field_name):
        if fields and field_name is not None:
            raise ValueError('Cannot use both positional arguments and the field_name keyword argument.')

        if field_name is not None:

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Function is_match has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

def is_match(first, second, comparison=None):
    if isinstance(first, django_mock_queries.query.MockSet):
        return is_match_in_children(comparison, first, second)
    if (isinstance(first, (int, str)) and isinstance(second, django_mock_queries.query.MockSet)):
        second = convert_to_pks(second)

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Avoid too many return statements within this function.

Open

    return result, comparison

Function is_disqualified has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

def is_disqualified(obj, attrs, negated):
    for attr_name, filter_value in attrs.items():
        attr_value, comparison = get_attribute(obj, attr_name)
        match = is_match(attr_value, filter_value, comparison)

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Function update_or_create has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def update_or_create(self, defaults=None, **attrs):
        if defaults is not None:
            validate_mock_set(self)
        defaults = defaults or {}
        lookup = attrs.copy()

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Function annotate has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def annotate(self, **kwargs):
        results = list(self.items)
        for key, value in kwargs.items():
            for row in results:
                if not hasattr(row, '_annotated_fields'):

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Function _values_row has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    def _values_row(self, values_dict, fields, **kwargs):
        flat = kwargs.pop('flat', False)
        named = kwargs.pop('named', False)

        if kwargs:

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