Add mail management when an error occur in a component.

src/jflow/workflow.py

@@ -847,19 +847,19 @@ class Workflow(threading.Thread):
                     self._postprocess_status = self.STATUS_PENDING
                     self._serialize()
                     self.wf_execution_wrapper()
+                    self.component_nameids_is_init = True
+                    if self.dynamic_component_present:
+                        self.__step = 2
+                    else:
+                        self._execute_weaver()
+                        self.__step = 3
                 except:
                     self._status = self.STATUS_FAILED
                     self.end_time = time.time()
-                    self._serialize()
                     self._send_email()
                     raise
-                self.component_nameids_is_init = True
-                if self.dynamic_component_present:
-                    self.__step = 2
-                else:
-                    self._execute_weaver()
-                    self.__step = 3
-                self._serialize()
+                finally:
+                    self._serialize()
             # if the workflow was a dynamic one
             if self.__step == 2:
                 try:
@@ -869,16 +869,16 @@ class Workflow(threading.Thread):
                     self._postprocess_status = self.STATUS_PENDING
                     self._serialize()
                     self.wf_execution_wrapper()
+                    if len(self.components_to_exec) > 0:
+                        self._execute_weaver()
+                    self.__step = 3
                 except:
                     self._status = self.STATUS_FAILED
                     self.end_time = time.time()
-                    self._serialize()
                     self._send_email()
                     raise
-                if len(self.components_to_exec) > 0:
-                    self._execute_weaver()
-                self.__step = 3
-                self._serialize()
+                finally:
+                    self._serialize()
             # if post processing has ne been done yet
             if self.__step == 3:
                 try: