Changeset 718 for trunk/src/nest/simulator.py

Timestamp:

03/02/10 10:37:15 (2 years ago)

Author:

apdavison

Message:

Fixed ticket:158. Added a more helpful error message for the common case that NEST has been compiled without GSL support (see ticket:159).

Files:

• trunk/src/nest/simulator.py (modified) (4 diffs)

trunk/src/nest/simulator.py

@@ -35 +35 @@
 CHECK_CONNECTIONS = False
 recorder_list = []
+connection_managers = []
 
 logger = logging.getLogger("PyNN")
@@ -158 +159 @@
     try:
         cell_gids = nest.Create(nest_model, n)
-    except nest.NESTError, errmsg:
-        raise errors.InvalidModelError(errmsg)
+    except nest.NESTError, err:
+        if "UnknownModelName" in err.message and "cond" in err.message:
+            raise errors.InvalidModelError("%s Have you compiled NEST with the GSL (Gnu Scientific Library)?" % err)
+        raise errors.InvalidModelError(err)
     if cell_parameters:
         try:
@@ -257 +260 @@
         `parent` -- the parent `Projection`, if any.
         """
+        global connection_managers
         self.sources = []
         if synapse_model is None:
@@ -268 +272 @@
             assert parent.plasticity_name == self.synapse_model
         self._connections = None
+        connection_managers.append(self)
 
     def __getitem__(self, i):