257 lines
8.9 KiB
Python
257 lines
8.9 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 ModelView, ModelSQL, fields
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from trytond.pyson import Eval
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from trytond.transaction import Transaction
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from trytond.pool import Pool
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from trytond import backend
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from trytond.const import OPERATORS
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__all__ = ['Template', 'Product']
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STATES = {
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'readonly': ~Eval('active', True),
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}
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DEPENDS = ['active']
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TYPES = [
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('goods', 'Goods'),
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('assets', 'Assets'),
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('service', 'Service'),
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]
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class Template(ModelSQL, ModelView):
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"Product Template"
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__name__ = "product.template"
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name = fields.Char('Name', size=None, required=True, translate=True,
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select=True, states=STATES, depends=DEPENDS)
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type = fields.Selection(TYPES, 'Type', required=True, states=STATES,
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depends=DEPENDS)
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consumable = fields.Boolean('Consumable',
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states={
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'readonly': ~Eval('active', True),
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'invisible': Eval('type', 'goods') != 'goods',
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},
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depends=['active', 'type'])
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category = fields.Many2One('product.category', 'Category',
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states=STATES, depends=DEPENDS)
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list_price = fields.Property(fields.Numeric('List Price', states=STATES,
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digits=(16, 4), depends=DEPENDS, required=True))
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cost_price = fields.Property(fields.Numeric('Cost Price',
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states=STATES, digits=(16, 4), depends=DEPENDS, required=True))
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cost_price_method = fields.Property(fields.Selection([
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("fixed", "Fixed"),
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("average", "Average")
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], 'Cost Method', required=True, states=STATES,
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depends=DEPENDS))
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default_uom = fields.Many2One('product.uom', 'Default UOM', required=True,
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states=STATES, depends=DEPENDS)
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default_uom_category = fields.Function(
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fields.Many2One('product.uom.category', 'Default UOM Category'),
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'on_change_with_default_uom_category',
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searcher='search_default_uom_category')
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active = fields.Boolean('Active', select=True)
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products = fields.One2Many('product.product', 'template', 'Variants',
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states=STATES, depends=DEPENDS)
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@classmethod
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def __register__(cls, module_name):
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TableHandler = backend.get('TableHandler')
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cursor = Transaction().cursor
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sql_table = cls.__table__()
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super(Template, cls).__register__(module_name)
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table = TableHandler(cursor, cls, module_name)
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# Migration from 2.2: category is no more required
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table.not_null_action('category', 'remove')
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# Migration from 2.2: new types
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cursor.execute(*sql_table.update(
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columns=[sql_table.consumable],
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values=[True],
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where=sql_table.type == 'consumable'))
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cursor.execute(*sql_table.update(
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columns=[sql_table.type],
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values=['goods'],
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where=sql_table.type.in_(['stockable', 'consumable'])))
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@staticmethod
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def default_active():
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return True
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@staticmethod
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def default_type():
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return 'goods'
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@staticmethod
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def default_consumable():
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return False
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@staticmethod
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def default_cost_price_method():
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return 'fixed'
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@staticmethod
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def default_products():
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pool = Pool()
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Product = pool.get('product.product')
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if Transaction().user == 0:
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return []
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fields_names = list(f for f in Product._fields.keys()
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if f not in ('id', 'create_uid', 'create_date',
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'write_uid', 'write_date'))
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return [Product.default_get(fields_names)]
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@fields.depends('default_uom')
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def on_change_with_default_uom_category(self, name=None):
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if self.default_uom:
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return self.default_uom.category.id
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@classmethod
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def search_default_uom_category(cls, name, clause):
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return [('default_uom.category',) + tuple(clause[1:])]
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@classmethod
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def create(cls, vlist):
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vlist = [v.copy() for v in vlist]
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for values in vlist:
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values.setdefault('products', None)
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return super(Template, cls).create(vlist)
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@classmethod
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def search_global(cls, text):
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for id_, rec_name, icon in super(Template, cls).search_global(text):
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icon = icon or 'tryton-product'
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yield id_, rec_name, icon
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class Product(ModelSQL, ModelView):
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"Product Variant"
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__name__ = "product.product"
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_order_name = 'rec_name'
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template = fields.Many2One('product.template', 'Product Template',
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required=True, ondelete='CASCADE', select=True, states=STATES,
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depends=DEPENDS)
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code = fields.Char("Code", size=None, select=True, states=STATES,
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depends=DEPENDS)
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description = fields.Text("Description", translate=True, states=STATES,
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depends=DEPENDS)
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active = fields.Boolean('Active', select=True)
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default_uom = fields.Function(fields.Many2One('product.uom',
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'Default UOM'), 'get_default_uom', searcher='search_default_uom')
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type = fields.Function(fields.Selection(TYPES, 'Type'),
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'on_change_with_type', searcher='search_type')
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list_price_uom = fields.Function(fields.Numeric('List Price',
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digits=(16, 4)), 'get_price_uom')
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cost_price_uom = fields.Function(fields.Numeric('Cost Price',
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digits=(16, 4)), 'get_price_uom')
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@classmethod
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def order_rec_name(cls, tables):
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pool = Pool()
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Template = pool.get('product.template')
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product, _ = tables[None]
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if 'template' not in tables:
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template = Template.__table__()
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tables['template'] = {
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None: (template, product.template == template.id),
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}
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else:
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template = tables['template']
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return [product.code] + Template.name.convert_order('name',
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tables['template'], Template)
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@staticmethod
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def default_active():
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return True
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def __getattr__(self, name):
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try:
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return super(Product, self).__getattr__(name)
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except AttributeError:
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pass
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return getattr(self.template, name)
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def get_rec_name(self, name):
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if self.code:
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return '[' + self.code + '] ' + self.name
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else:
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return self.name
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@classmethod
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def search_rec_name(cls, name, clause):
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return ['OR',
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('code',) + tuple(clause[1:]),
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('template.name',) + tuple(clause[1:]),
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]
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def get_default_uom(self, name):
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return self.template.default_uom.id
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@classmethod
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def search_default_uom(cls, name, clause):
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return [('template.default_uom',) + tuple(clause[1:])]
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@fields.depends('template')
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def on_change_with_type(self, name=None):
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if self.template:
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return self.template.type
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@classmethod
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def search_type(cls, name, clause):
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return [('template.type',) + tuple(clause[1:])]
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@staticmethod
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def get_price_uom(products, name):
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Uom = Pool().get('product.uom')
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res = {}
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field = name[:-4]
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if Transaction().context.get('uom'):
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to_uom = Uom(Transaction().context['uom'])
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for product in products:
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res[product.id] = Uom.compute_price(
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product.default_uom, getattr(product, field), to_uom)
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else:
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for product in products:
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res[product.id] = getattr(product, field)
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return res
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@classmethod
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def search_global(cls, text):
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for id_, rec_name, icon in super(Product, cls).search_global(text):
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icon = icon or 'tryton-product'
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yield id_, rec_name, icon
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@classmethod
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def search_domain(cls, domain, active_test=True):
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def convert_domain(domain):
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'Replace missing product field by the template one'
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if not domain:
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return []
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operator = 'AND'
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if isinstance(domain[0], basestring):
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operator = domain[0]
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domain = domain[1:]
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result = [operator]
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for arg in domain:
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if (isinstance(arg, (list, tuple))
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and len(arg) > 2
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and isinstance(arg[1], basestring)
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and arg[1] in OPERATORS):
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# clause
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field = arg[0].split('.', 1)[0]
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if not getattr(cls, field, None):
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field = 'template.' + arg[0]
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result.append((field,) + tuple(arg[1:]))
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else:
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result.append(arg)
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elif isinstance(arg, list):
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# sub-domain
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result.append(convert_domain(arg))
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else:
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result.append(arg)
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return result
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return super(Product, cls).search_domain(convert_domain(domain),
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active_test=active_test)
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