[FIX] models: partial loading of manual fields

Related and function manual fields may not be loadable during initial
setup (partial=True) due to dependencies being not loaded. Ignore
theses fields during partial loading.

openerp/models.py

@@ -3034,18 +3034,33 @@ class BaseModel(object):
         cls._setup_done = True
 
     @api.model
-    def _setup_fields(self):
+    def _setup_fields(self, partial):
         """ Setup the fields, except for recomputation triggers. """
         cls = type(self)
 
         # set up fields, and determine their corresponding column
         cls._columns = {}
+        bad_fields = []
         for name, field in cls._fields.iteritems():
-            field.setup_full(self)
+            try:
+                field.setup_full(self)
+            except Exception:
+                if partial and field.manual:
+                    # Something goes wrong when setup a manual field.
+                    # This can happen with related fields using another manual many2one field
+                    # that hasn't been loaded because the comodel does not exist yet.
+                    # This can also be a manual function field depending on not loaded fields yet.
+                    bad_fields.append(name)
+                    continue
+                raise
             column = field.to_column()
             if column:
                 cls._columns[name] = column
 
+        for name in bad_fields:
+            del cls._fields[name]
+            delattr(cls, name)
+
         # map each field to the fields computed with the same method
         groups = defaultdict(list)
         for field in cls._fields.itervalues():

openerp/modules/registry.py

@@ -197,7 +197,7 @@ class Registry(Mapping):
             model._setup_base(cr, SUPERUSER_ID, partial)
 
         for model in self.models.itervalues():
-            model._setup_fields(cr, SUPERUSER_ID)
+            model._setup_fields(cr, SUPERUSER_ID, partial)
 
         for model in self.models.itervalues():
             model._setup_complete(cr, SUPERUSER_ID)