add http://codereview.tryton.org/1371002/http://codereview.tryton.org/1371002/ adaptet to 3.0 to validate only modified and dependant fields on model write

issue1371002_130001.diff

@@ -0,0 +1,38 @@
+diff -r 08d7eb612ae4 trytond/model/modelsql.py
+--- a/trytond/trytond/model/modelsql.py	Sun Feb 09 23:53:10 2014 +0100
++++ b/trytond/trytond/model/modelsql.py	Thu Feb 27 12:42:28 2014 +0100
+@@ -712,7 +712,7 @@
+                 field.set(ids, cls, fname, value)
+ 
+         cls.__insert_history(ids)
+-        cls._validate(records)
++        cls._validate(records, field_names=values.keys())
+ 
+         field_names = cls._fields.keys()
+         cls._update_mptt(field_names, [ids] * len(field_names), values)
+diff -r 08d7eb612ae4 trytond/model/modelstorage.py
+--- a/trytond/trytond/model/modelstorage.py	Sun Feb 09 23:53:10 2014 +0100
++++ b/trytond/trytond/model/modelstorage.py	Thu Feb 27 12:42:28 2014 +0100
+@@ -880,7 +880,7 @@
+         pass
+ 
+     @classmethod
+-    def _validate(cls, records):
++    def _validate(cls, records, field_names=None):
+         pool = Pool()
+         # Ensure that records are readable
+         with Transaction().set_user(0, set_context=True):
+@@ -927,8 +927,13 @@
+             return False
+ 
+         ctx_pref['active_test'] = False
++        field_names = set(field_names or [])
+         with Transaction().set_context(ctx_pref):
+             for field_name, field in cls._fields.iteritems():
++                if (field_names
++                        and field_name not in field_names
++                        and not (set(field.depends) & field_names)):
++                    continue
+                 if isinstance(field, fields.Function) and \
+                         not field.setter:
+                     continue

series

@@ -1,3 +1,4 @@
+issue1371002_130001.diff
 issue136_416.diff
 issue971002_217001.diff
 #issue2341002_1_10001.diff