From 559843258e2955edd0a7081eb5bc1f4c438a74fb Mon Sep 17 00:00:00 2001
From: Numerigraphe - Lionel Sausin <ls@numerigraphe.fr>
Date: Mon, 5 Mar 2012 18:53:10 +0100
Subject: [PATCH] [FIX] unmutable default in stock

bzr revid: ls@numerigraphe.fr-20120305175310-l3jcpsf3u0jtf2id
---
 addons/stock/report/product_stock.py     |  4 +++-
 addons/stock/report/report_stock.py      |  4 ++--
 addons/stock/report/stock_by_location.py |  2 +-
 addons/stock/stock.py                    | 14 ++++++++++----
 4 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/addons/stock/report/product_stock.py b/addons/stock/report/product_stock.py
index b7dd254234c..1d882ad632b 100644
--- a/addons/stock/report/product_stock.py
+++ b/addons/stock/report/product_stock.py
@@ -42,7 +42,9 @@ class external_pdf(render):
 
 
 class report_stock(report_int):
-    def create(self, cr, uid, ids, datas, context={}):
+    def create(self, cr, uid, ids, datas, context=None):
+        if context is None:
+            context = {}
         product_ids = ids
         if 'location_id' in context:
             location_id = context['location_id']
diff --git a/addons/stock/report/report_stock.py b/addons/stock/report/report_stock.py
index 37e4f28c858..d11589ae462 100644
--- a/addons/stock/report/report_stock.py
+++ b/addons/stock/report/report_stock.py
@@ -74,7 +74,7 @@ class stock_report_prodlots(osv.osv):
                 group by location_id, product_id, prodlot_id
             )""")
 
-    def unlink(self, cr, uid, ids, context={}):
+    def unlink(self, cr, uid, ids, context=None):
         raise osv.except_osv(_('Error !'), _('You cannot delete any record!'))
 
 
@@ -131,7 +131,7 @@ class stock_report_tracklots(osv.osv):
                 group by location_id, product_id, tracking_id
             )""")
         
-    def unlink(self, cr, uid, ids, context={}):
+    def unlink(self, cr, uid, ids, context=None):
         raise osv.except_osv(_('Error !'), _('You cannot delete any record!'))
 
 stock_report_tracklots()
diff --git a/addons/stock/report/stock_by_location.py b/addons/stock/report/stock_by_location.py
index 2dbe03a347e..8ed8800fb29 100644
--- a/addons/stock/report/stock_by_location.py
+++ b/addons/stock/report/stock_by_location.py
@@ -26,7 +26,7 @@ from report.interface import toxml
 #FIXME: we should use toxml
 
 class report_custom(report_rml):
-    def create_xml(self, cr, uid, ids, datas, context={}):
+    def create_xml(self, cr, uid, ids, datas, context=None):
         config = """
         <config>
             <date>09/09/2005</date>
diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index 885f7cd2077..9a0bc8ebfd2 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -345,22 +345,28 @@ class stock_location(osv.osv):
         })
         return product_obj.get_product_available(cr, uid, product_ids, context=context)
 
-    def _product_get(self, cr, uid, id, product_ids=False, context=None, states=['done']):
+    def _product_get(self, cr, uid, id, product_ids=False, context=None, states=None):
         """
         @param product_ids:
         @param states:
         @return:
         """
+        if states is None:
+            states = ['done']
         ids = id and [id] or []
         return self._product_get_multi_location(cr, uid, ids, product_ids, context=context, states=states)
 
-    def _product_all_get(self, cr, uid, id, product_ids=False, context=None, states=['done']):
+    def _product_all_get(self, cr, uid, id, product_ids=False, context=None, states=None):
+        if states is None:
+            states = ['done']
         # build the list of ids of children of the location given by id
         ids = id and [id] or []
         location_ids = self.search(cr, uid, [('location_id', 'child_of', ids)])
         return self._product_get_multi_location(cr, uid, location_ids, product_ids, context, states)
 
-    def _product_virtual_get(self, cr, uid, id, product_ids=False, context=None, states=['done']):
+    def _product_virtual_get(self, cr, uid, id, product_ids=False, context=None, states=None):
+        if states is None:
+            states = ['done']
         return self._product_all_get(cr, uid, id, product_ids, context, ['confirmed', 'waiting', 'assigned', 'done'])
 
     def _product_reserve(self, cr, uid, ids, product_id, product_qty, context=None, lock=False):
@@ -518,7 +524,7 @@ class stock_tracking(osv.osv):
     def unlink(self, cr, uid, ids, context=None):
         raise osv.except_osv(_('Error'), _('You can not remove a lot line !'))
 
-    def action_traceability(self, cr, uid, ids, context={}):
+    def action_traceability(self, cr, uid, ids, context=None):
         """ It traces the information of a product
         @param self: The object pointer.
         @param cr: A database cursor