[ADD] stock_picking_zip module

stock_picking_zip/stock.py

@@ -0,0 +1,24 @@
+# coding: utf-8
+# © 2016 David BEAL @ Akretion <david.beal@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from openerp import models, fields, api
+
+
+class StockPicking(models.Model):
+    _inherit = 'stock.picking'
+
+    short_zip = fields.Char(
+        string='Zip', compute='_compute_short_zip', store=True,
+        help="Troncated zip code to a limited chars number allowing group by")
+
+    def _set_short_zip_size(self):
+        """ if zip is 69100, then short zip is 69 """
+        return 2
+
+    @api.depends('partner_id')
+    @api.multi
+    def _compute_short_zip(self):
+        for rec in self:
+            if rec.partner_id and rec.partner_id.zip:
+                rec.short_zip = rec.partner_id.zip[:self._set_short_zip_size()]