first commit

purchase.py

@@ -0,0 +1,61 @@
+# 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.pool import Pool, PoolMeta
+from trytond.model import ModelView, ModelSQL, fields
+from trytond.pyson import Eval
+
+from trytond.exceptions import UserError
+
+class Purchase(metaclass=PoolMeta):
+    'Purchase Analytic Operation'
+    __name__ = 'purchase.purchase'
+
+    account_analytic = fields.Many2One('analytic_account.account',
+                                       'Analytic Account', required=True,
+                                       domain=[
+                                           ('type', '=', 'normal'),
+                                       ])
+class PurchaseLine(metaclass=PoolMeta):
+    'Purchase Line Analytic Operation'
+    __name__ =  'purchase.line'
+
+    @fields.depends('product', 'unit', 'purchase',
+        '_parent_purchase.party', '_parent_purchase.invoice_party',
+        '_parent_purchase.account_analytic', 'product_supplier',
+        'analytic_accounts', methods=['compute_taxes', 'compute_unit_price',
+                                     '_get_product_supplier_pattern'])
+    def on_change_product(self):
+        if not self.product:
+            return
+
+        party = None
+        if self.purchase:
+            party = self.purchase.invoice_party or self.purchase.party
+
+        # Set taxes before unit_price to have taxes in context of purchase
+        # price
+        self.taxes = self.compute_taxes(party)
+
+        category = self.product.purchase_uom.category
+        if not self.unit or self.unit.category != category:
+            self.unit = self.product.purchase_uom
+
+        product_suppliers = list(self.product.product_suppliers_used(
+                **self._get_product_supplier_pattern()))
+        if len(product_suppliers) == 1:
+            self.product_supplier, = product_suppliers
+        elif (self.product_supplier
+                and self.product_supplier not in product_suppliers):
+            self.product_supplier = None
+
+        self.unit_price = self.compute_unit_price()
+
+        self.type = 'line'
+        self.amount = self.on_change_with_amount()
+
+        self.analytic_accounts = tuple()
+        try:
+            self.analytic_accounts += ({'root': self.purchase.account_analytic.root,
+                                        'account': self.purchase.account_analytic},) 
+        except:
+            pass