[FIX] module loading: manual x2x fields can now refer to manual models

The fix consists in this: when setting up models, ignore manual fields that
refer to unknown models if all models have not been loaded yet.

openerp/fields.py

@@ -263,6 +263,7 @@ class Field(object):
 
     store = True                # whether the field is stored in database
     index = False               # whether the field is indexed in database
+    manual = False              # whether the field is a custom field
     copyable = True             # whether the field is copied over by BaseModel.copy()
     depends = ()                # collection of field dependencies
     recursive = False           # whether self depends on itself

openerp/models.py

@@ -2956,9 +2956,13 @@ class BaseModel(object):
             field.reset()
 
     @api.model
-    def _setup_fields(self):
+    def _setup_fields(self, partial=False):
         """ Setup the fields (dependency triggers, etc). """
         for field in self._fields.itervalues():
+            if partial and field.manual and \
+                    field.relational and field.comodel_name not in self.pool:
+                # do not set up manual fields that refer to unknown models
+                continue
             field.setup(self.env)
 
         # group fields by compute to determine field.computed_fields

openerp/modules/loading.py

@@ -159,7 +159,7 @@ def load_module_graph(cr, graph, status=None, perform_checks=True, skip_modules=
 
         loaded_modules.append(package.name)
         if hasattr(package, 'init') or hasattr(package, 'update') or package.state in ('to install', 'to upgrade'):
-            registry.setup_models(cr)
+            registry.setup_models(cr, partial=True)
             init_module_models(cr, package.name, models)
 
         # Can't put this line out of the loop: ir.module.module will be
@@ -225,7 +225,7 @@ def load_module_graph(cr, graph, status=None, perform_checks=True, skip_modules=
         registry._init_modules.add(package.name)
         cr.commit()
 
-    registry.setup_models(cr)
+    registry.setup_models(cr, partial=True)
 
     _logger.log(25, "%s modules loaded in %.2fs, %s queries", len(graph), time.time() - t0, openerp.sql_db.sql_counter - t0_sql)
 
@@ -360,6 +360,7 @@ def load_modules(db, force_demo=False, status=None, update_module=False):
         cr.execute('select model from ir_model where state=%s', ('manual',))
         for model in cr.dictfetchall():
             registry['ir.model'].instanciate(cr, SUPERUSER_ID, model['model'], {})
+        registry.setup_models(cr)
 
         # STEP 4: Finish and cleanup installations
         if processed_modules:

openerp/modules/registry.py

@@ -151,9 +151,11 @@ class Registry(Mapping):
 
         return [self.models[m] for m in models_to_load]
 
-    def setup_models(self, cr):
+    def setup_models(self, cr, partial=False):
         """ Complete the setup of models.
             This must be called after loading modules and before using the ORM.
+
+            :param partial: ``True`` if all models have not been loaded yet.
         """
         # prepare the setup on all models
         for model in self.models.itervalues():
@@ -162,7 +164,7 @@ class Registry(Mapping):
         # do the actual setup from a clean state
         self._m2m = {}
         for model in self.models.itervalues():
-            model._setup_fields(cr, SUPERUSER_ID)
+            model._setup_fields(cr, SUPERUSER_ID, partial=partial)
 
     def clear_caches(self):
         """ Clear the caches

openerp/osv/fields.py

@@ -134,6 +134,7 @@ class _column(object):
             ('_origin', self),                  # field interfaces self
             ('copy', self.copy),
             ('index', self.select),
+            ('manual', self.manual),
             ('string', self.string),
             ('help', self.help),
             ('readonly', self.readonly),