42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
# 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 fields
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from trytond.pool import PoolMeta
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from trytond.pyson import Eval
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class Sale(metaclass=PoolMeta):
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__name__ = 'sale.sale'
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@classmethod
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def __setup__(cls):
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super().__setup__()
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for field in (cls.shipment_party, cls.shipment_address, cls.warehouse):
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field.states['readonly'] |= (
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Eval('lines', [0]) & Eval('shipment_address'))
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class Line(metaclass=PoolMeta):
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__name__ = 'sale.line'
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@fields.depends('sale', 'warehouse', '_parent_sale.shipment_address')
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def _get_tax_rule_pattern(self):
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pattern = super()._get_tax_rule_pattern()
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from_country = from_subdivision = to_country = to_subdivision = None
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if self.warehouse and self.warehouse.address:
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from_country = self.warehouse.address.country
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from_subdivision = self.warehouse.address.subdivision
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if self.sale and self.sale.shipment_address:
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to_country = self.sale.shipment_address.country
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to_subdivision = self.sale.shipment_address.subdivision
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pattern['from_country'] = from_country.id if from_country else None
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pattern['from_subdivision'] = (
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from_subdivision.id if from_subdivision else None)
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pattern['to_country'] = to_country.id if to_country else None
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pattern['to_subdivision'] = (
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to_subdivision.id if to_subdivision else None)
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return pattern
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