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How to use many method in fMBT

Best Python code snippet using fMBT_python

test_stock_availability.py

Source:test_stock_availability.py

1import pytest2from ...core.exceptions import InsufficientStock3from ..availability import (4    _get_available_quantity,5    check_stock_quantity,6    check_stock_quantity_bulk,7)8COUNTRY_CODE = "US"9def test_check_stock_quantity(variant_with_many_stocks, channel_USD):10    assert (11        check_stock_quantity(12            variant_with_many_stocks, COUNTRY_CODE, channel_USD.slug, 713        )14        is None15    )16def test_check_stock_quantity_out_of_stock(variant_with_many_stocks, channel_USD):17    with pytest.raises(InsufficientStock):18        check_stock_quantity(19            variant_with_many_stocks, COUNTRY_CODE, channel_USD.slug, 820        )21def test_check_stock_quantity_with_allocations(22    variant_with_many_stocks,23    order_line_with_allocation_in_many_stocks,24    order_line_with_one_allocation,25    channel_USD,26):27    assert (28        check_stock_quantity(29            variant_with_many_stocks, COUNTRY_CODE, channel_USD.slug, 330        )31        is None32    )33def test_check_stock_quantity_with_allocations_out_of_stock(34    variant_with_many_stocks, order_line_with_allocation_in_many_stocks, channel_USD35):36    with pytest.raises(InsufficientStock):37        check_stock_quantity(38            variant_with_many_stocks, COUNTRY_CODE, channel_USD.slug, 539        )40def test_check_stock_quantity_without_stocks(variant_with_many_stocks, channel_USD):41    variant_with_many_stocks.stocks.all().delete()42    with pytest.raises(InsufficientStock):43        check_stock_quantity(44            variant_with_many_stocks, COUNTRY_CODE, channel_USD.slug, 145        )46def test_check_stock_quantity_without_one_stock(variant_with_many_stocks, channel_USD):47    variant_with_many_stocks.stocks.get(quantity=3).delete()48    assert (49        check_stock_quantity(50            variant_with_many_stocks, COUNTRY_CODE, channel_USD.slug, 451        )52        is None53    )54def test_check_stock_quantity_bulk(variant_with_many_stocks, channel_USD):55    variant = variant_with_many_stocks56    country_code = "US"57    available_quantity = _get_available_quantity(variant.stocks.all())58    # test that it doesn't raise error for available quantity59    assert (60        check_stock_quantity_bulk(61            [variant_with_many_stocks], country_code, [available_quantity], channel_USD62        )63        is None64    )65    # test that it raises an error for exceeded quantity66    with pytest.raises(InsufficientStock):67        check_stock_quantity_bulk(68            [variant_with_many_stocks],69            country_code,70            [available_quantity + 1],71            channel_USD,72        )73    # test that it raises an error if no stocks are found74    variant.stocks.all().delete()75    with pytest.raises(InsufficientStock):76        check_stock_quantity_bulk(77            [variant_with_many_stocks], country_code, [available_quantity], channel_USD78        )79def test_check_stock_quantity_bulk_no_channel_shipping_zones(80    variant_with_many_stocks, channel_USD81):82    variant = variant_with_many_stocks83    country_code = "US"84    available_quantity = _get_available_quantity(variant.stocks.all())85    channel_USD.shipping_zones.clear()86    with pytest.raises(InsufficientStock):87        check_stock_quantity_bulk(88            [variant_with_many_stocks], country_code, [available_quantity], channel_USD...

fields.py

Source:fields.py

1from functools import partial2from django.db import models3from django.db.models.fields.related import (4    RECURSIVE_RELATIONSHIP_CONSTANT, ManyToManyDescriptor, RelatedField,5    create_many_to_many_intermediary_model,6)7class CustomManyToManyField(RelatedField):8    """9    Ticket #24104 - Need to have a custom ManyToManyField,10    which is not an inheritor of ManyToManyField.11    """12    many_to_many = True13    def __init__(self, to, db_constraint=True, swappable=True, related_name=None, related_query_name=None,14                 limit_choices_to=None, symmetrical=None, through=None, through_fields=None, db_table=None, **kwargs):15        try:16            to._meta17        except AttributeError:18            to = str(to)19        kwargs['rel'] = models.ManyToManyRel(20            self, to,21            related_name=related_name,22            related_query_name=related_query_name,23            limit_choices_to=limit_choices_to,24            symmetrical=symmetrical if symmetrical is not None else (to == RECURSIVE_RELATIONSHIP_CONSTANT),25            through=through,26            through_fields=through_fields,27            db_constraint=db_constraint,28        )29        self.swappable = swappable30        self.db_table = db_table31        if kwargs['rel'].through is not None:32            assert self.db_table is None, "Cannot specify a db_table if an intermediary model is used."33        super().__init__(**kwargs)34    def contribute_to_class(self, cls, name, **kwargs):35        if self.remote_field.symmetrical and (36                self.remote_field.model == "self" or self.remote_field.model == cls._meta.object_name):37            self.remote_field.related_name = "%s_rel_+" % name38        super().contribute_to_class(cls, name, **kwargs)39        if not self.remote_field.through and not cls._meta.abstract and not cls._meta.swapped:40            self.remote_field.through = create_many_to_many_intermediary_model(self, cls)41        setattr(cls, self.name, ManyToManyDescriptor(self.remote_field))42        self.m2m_db_table = partial(self._get_m2m_db_table, cls._meta)43    def get_internal_type(self):44        return 'ManyToManyField'45    # Copy those methods from ManyToManyField because they don't call super() internally46    contribute_to_related_class = models.ManyToManyField.__dict__['contribute_to_related_class']47    _get_m2m_attr = models.ManyToManyField.__dict__['_get_m2m_attr']48    _get_m2m_reverse_attr = models.ManyToManyField.__dict__['_get_m2m_reverse_attr']49    _get_m2m_db_table = models.ManyToManyField.__dict__['_get_m2m_db_table']50class InheritedManyToManyField(models.ManyToManyField):51    pass52class MediumBlobField(models.BinaryField):53    """54    A MySQL BinaryField that uses a different blob size.55    """56    def db_type(self, connection):...

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