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# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
from trytond.model import fields
from trytond.pool import Pool, PoolMeta
sale_invoice_grouping_method = fields.Selection(
'get_sale_invoice_grouping_methods', "Sale Invoice Grouping Method",
help="The default invoice grouping method for new customers.")
@classmethod
def get_sale_invoice_grouping_methods(cls):
pool = Pool()
Party = pool.get('party.party')
field_name = 'sale_invoice_grouping_method'
return Party.fields_get([field_name])[field_name]['selection']
class Configuration(metaclass=PoolMeta):
__name__ = 'sale.configuration'
sale_invoice_grouping_method = fields.MultiValue(
sale_invoice_grouping_method)
get_sale_invoice_grouping_methods = get_sale_invoice_grouping_methods
@classmethod
def multivalue_model(cls, field):
pool = Pool()
if field == 'sale_invoice_grouping_method':
return pool.get('sale.configuration.sale_method')
return super(Configuration, cls).multivalue_model(field)
class ConfigurationSaleMethod(metaclass=PoolMeta):
__name__ = 'sale.configuration.sale_method'
sale_invoice_grouping_method = sale_invoice_grouping_method
get_sale_invoice_grouping_methods = get_sale_invoice_grouping_methods
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