44 lines
1.4 KiB
Python
44 lines
1.4 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.pool import PoolMeta
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from trytond.model import fields
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from trytond.pyson import Eval
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__all__ = ['Purchase', 'PurchaseLine']
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class Purchase:
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__metaclass__ = PoolMeta
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__name__ = 'purchase.purchase'
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@classmethod
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def __setup__(cls):
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super(Purchase, cls).__setup__()
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for field in (cls.invoice_address, cls.warehouse):
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field.states['readonly'] |= (
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Eval('lines', [0]) & Eval('invoice_address'))
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field.depends.extend(['invoice_address'])
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class PurchaseLine:
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__metaclass__ = PoolMeta
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__name__ = 'purchase.line'
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@fields.depends('purchase', '_parent_purchase.warehouse',
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'_parent_purchase.invoice_address')
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def _get_tax_rule_pattern(self):
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pattern = super(PurchaseLine, self)._get_tax_rule_pattern()
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from_country, to_country = None, None
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if self.purchase:
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if self.purchase.invoice_address:
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from_country = self.purchase.invoice_address.country
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warehouse = self.purchase.warehouse
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if warehouse and warehouse.address:
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to_country = warehouse.address.country
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pattern['from_country'] = from_country.id if from_country else None
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pattern['to_country'] = to_country.id if to_country else None
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return pattern
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