openerp-india team mailing list archive

["Guewen Baconnier @ Camptocamp" <1281558@xxxxxxxxxxxxxxxxxx>]

** Also affects: ocb-addons
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1281558

Title:
  When duplicating a picking, the default values of the new moves should
  be done in stock_move.copy_data

Status in OpenERP Community Backports (Addons):
  New
Status in OpenERP Addons (modules):
  New

Bug description:
  As you can see here:
  http://bazaar.launchpad.net/~openerp/openobject-addons/7.0/view/head:/stock/stock.py#L716

  `stock_picking.copy()` writes on all the copied stock moves in order
  to empty the fields 'tracking_id', 'prodlot_id', 'move_history_ids2',
  'move_history_ids'.

  It should be replaced by a correct inheritance of the
  `stock_move.copy_data` method.

  The current implementation has possible side effects, as the moves are
  first copied with the fields, and then they are emptied. Even if this
  happens in the same transaction, code could not work as we would
  expect with the copy method.

  A good demonstration is to add such a constraint that ensures that a
  pack cannot be shared between pickings:

      class stock_move(orm.Model):
          _inherit = 'stock.move'

          def _check_tracking(self, cr, uid, ids, context=None):
              for move in self.browse(cr, uid, ids, context=context):
                  if not move.tracking_id:
                      continue
                  picking = move.picking_id
                  if any(tm.picking_id != picking for
                              tm in move.tracking_id.move_ids):
                      return False
              return True

          _constraints = [
              (_check_tracking,
              'The tracking cannot be shared accross '
              'different Delivery Orders / Shipments.',
              ['tracking_id']),
          ]

  Now f I create a picking OUT/00015 with:
   - move 1
   - move 2

  And put the moves in new packs:
   - 1: 00000017
   - 2: 00000024

  And I duplicate the picking OUT/00015, `stock_picking.copy()` creates a picking OUT/00016 with:
   - 1copy: 00000017
   - 2copy: 00000024

  ***

  And then it empties the `tracking_id` field so we have:
   - 1copy:
   - 2copy:

  But we never reach this final state, because the constraint is raised
  where I wrote ***.

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