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modules/stock_product_location_place/stock.py
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235
modules/stock_product_location_place/stock.py
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# This file is part of Tryton. The COPYRIGHT file at the top level of
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# this repository contains the full copyright notices and license terms.
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from trytond.model import ModelSQL, ModelView, Unique, fields
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from trytond.pool import Pool, PoolMeta
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from trytond.pyson import Eval, If
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class ProductLocationPlace(ModelSQL, ModelView):
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__name__ = 'stock.product.location.place'
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_rec_name = 'place'
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template = fields.Many2One(
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'product.template', "Product",
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required=True, ondelete='CASCADE',
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domain=[
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If(Eval('product'),
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('products', '=', Eval('product', -1)),
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()),
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])
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product = fields.Many2One(
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'product.product', "Variant", ondelete='CASCADE',
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domain=[
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If(Eval('template'),
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('template', '=', Eval('template', -1)),
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()),
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])
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location = fields.Many2One(
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'stock.location', "Storage Location",
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required=True, ondelete='CASCADE',
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domain=[
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('type', '=', 'storage'),
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])
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place = fields.Char(
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"Place", required=True,
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help="The place where the product is always stored in the location.")
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@classmethod
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def __setup__(cls):
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super().__setup__()
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t = cls.__table__()
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cls._sql_constraints += [
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('template_product_location_unique',
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Unique(t, t.template, t.product, t.location),
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'stock_product_location_place.'
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'msg_stock_product_location_unique'),
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]
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@fields.depends('product', '_parent_product.template')
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def on_change_product(self):
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if self.product:
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self.template = self.product.template
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@classmethod
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def default_location(cls):
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pool = Pool()
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Location = pool.get('stock.location')
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warehouse = Location.get_default_warehouse()
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if warehouse:
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warehouse = Location(warehouse)
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if (warehouse.storage_location
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and warehouse.storage_location.type == 'storage'):
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return warehouse.storage_location.id
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elif (warehouse.picking_location
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and warehouse.picking_location.type == 'storage'):
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return warehouse.picking_location.id
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class Move(metaclass=PoolMeta):
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__name__ = 'stock.move'
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from_place = fields.Many2One(
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'stock.product.location.place', "From Place", readonly=True,
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domain=[
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If(~Eval('state').in_(['done', 'cancelled']),
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['OR',
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('template.products', '=', Eval('product', -1)),
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('product', '=', Eval('product', -1)),
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],
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('location', '=', Eval('from_location', -1)),
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),
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])
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to_place = fields.Many2One(
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'stock.product.location.place', "To Place", readonly=True,
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domain=[
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If(~Eval('state').in_(['done', 'cancelled']),
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['OR',
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('template.products', '=', Eval('product', -1)),
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('product', '=', Eval('product', -1)),
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],
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('location', '=', Eval('to_location', -1)),
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),
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])
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@classmethod
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def __setup__(cls):
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super().__setup__()
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cls._allow_modify_closed_period |= {'from_place', 'to_place'}
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@fields.depends('from_location', 'product')
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def on_change_with_from_place(self):
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if self.product and self.from_location:
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return self.product.get_place(self.from_location)
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@fields.depends('to_location', 'product')
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def on_change_with_to_place(self):
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if self.product and self.to_location:
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return self.product.get_place(self.to_location)
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@fields.depends('from_place')
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def on_change_with_from_location_name(self, name=None):
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name = super().on_change_with_from_location_name(name=name)
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if self.from_place:
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name = ' @ '.join(
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filter(None, [name, self.from_place.rec_name])).strip()
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return name
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@fields.depends('to_place')
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def on_change_with_to_location_name(self, name=None):
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name = super().on_change_with_to_location_name(name=name)
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if self.to_place:
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name = ' @ '.join(
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filter(None, [name, self.to_place.rec_name])).strip()
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return name
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def compute_fields(self, field_names=None):
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cls = self.__class__
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values = super().compute_fields(field_names=field_names)
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if getattr(self, 'state', None) not in {'done', 'cancelled'}:
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if (field_names is None
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or cls.from_place.on_change_with & field_names):
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from_place = self.on_change_with_from_place()
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if getattr(self, 'from_place', None) != from_place:
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values['from_place'] = from_place
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if (field_names is None
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or cls.to_place.on_change_with & field_names):
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to_place = self.on_change_with_to_place()
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if getattr(self, 'to_place', None) != to_place:
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values['to_place'] = to_place
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return values
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@classmethod
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def write(cls, *args):
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# clean places as they maybe no more valid
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actions = iter(args)
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args = []
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for moves, values in zip(actions, actions):
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if {'product', 'from_location', 'to_location'} & values.keys():
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values = values.copy()
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values.setdefault('from_place')
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values.setdefault('to_place')
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args.extend((moves, values))
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super().write(*args)
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class ShipmentIn(metaclass=PoolMeta):
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__name__ = 'stock.shipment.in'
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@classmethod
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def __setup__(cls):
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super().__setup__()
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i = cls.inventory_moves.order.index(('to_location', 'ASC'))
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cls.inventory_moves.order.insert(i + 1, ('to_place', 'ASC'))
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class ShipmentInReturn(metaclass=PoolMeta):
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__name__ = 'stock.shipment.in.return'
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@classmethod
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def __setup__(cls):
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super().__setup__()
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i = cls.moves.order.index(('from_location', 'ASC'))
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cls.moves.order.insert(i + 1, ('from_place', 'ASC'))
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class ShipmentOut(metaclass=PoolMeta):
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__name__ = 'stock.shipment.out'
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@classmethod
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def __setup__(cls):
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super().__setup__()
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i = cls.inventory_moves.order.index(('from_location', 'ASC'))
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cls.inventory_moves.order.insert(i + 1, ('from_place', 'ASC'))
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class ShipmentOutReturn(metaclass=PoolMeta):
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__name__ = 'stock.shipment.out.return'
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@classmethod
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def __setup__(cls):
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super().__setup__()
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i = cls.inventory_moves.order.index(('to_location', 'ASC'))
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cls.inventory_moves.order.insert(i + 1, ('to_place', 'ASC'))
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class ShipmentInternal(metaclass=PoolMeta):
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__name__ = 'stock.shipment.internal'
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@classmethod
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def __setup__(cls):
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super().__setup__()
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i = cls.moves.order.index(('from_location', 'ASC'))
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cls.moves.order.insert(i + 1, ('from_place', 'ASC'))
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i = cls.outgoing_moves.order.index(('from_location', 'ASC'))
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cls.outgoing_moves.order.insert(i + 1, ('from_place', 'ASC'))
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i = cls.incoming_moves.order.index(('to_location', 'ASC'))
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cls.incoming_moves.order.insert(i + 1, ('to_place', 'ASC'))
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class InventoryLine(metaclass=PoolMeta):
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__name__ = 'stock.inventory.line'
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place = fields.Many2One(
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'stock.product.location.place', "Place",
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domain=['OR',
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('template.products', '=', Eval('product', -1)),
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('product', '=', Eval('product', -1)),
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])
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@fields.depends(
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'inventory_location', 'product',
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methods=['on_change_with_inventory_location'])
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def on_change_with_place(self):
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location = (self.inventory_location
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or self.on_change_with_inventory_location())
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if self.product and location:
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return self.product.get_place(location)
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@fields.depends(methods=['on_change_with_place'])
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def update_for_complete(self, quantity):
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super().update_for_complete(quantity)
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self.place = self.on_change_with_place()
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