fix(ftrack): signals for linux

pype/ftrack/events/event_sync_to_avalon.py

@@ -101,6 +101,8 @@ class Sync_to_Avalon(BaseEvent):
                         avalon_project = result['project']
 
         except Exception as e:
+            session.reset() # reset session to clear it
+
             message = str(e)
             title = 'Hey You! Unknown Error has been raised! (*look below*)'
             ftrack_message = (

pype/ftrack/ftrack_server/event_server_cli.py

@@ -533,7 +533,9 @@ if __name__ == "__main__":
 
     signal.signal(signal.SIGINT, signal_handler)
     signal.signal(signal.SIGTERM, signal_handler)
-    if hasattr(signal, "SIGKILL"):
-        signal.signal(signal.SIGKILL, signal_handler)
 
+    try:
+        signal.signal(signal.SIGKILL, signal_handler)
+    except OSError:
+        pass
     sys.exit(main(sys.argv))

pype/ftrack/ftrack_server/sub_event_processor.py

@@ -47,7 +47,8 @@ if __name__ == "__main__":
 
     signal.signal(signal.SIGINT, signal_handler)
     signal.signal(signal.SIGTERM, signal_handler)
-    if hasattr(signal, "SIGKILL"):
+    try:
         signal.signal(signal.SIGKILL, signal_handler)
-
+    except OSError:
+        pass
     sys.exit(main(sys.argv))

pype/ftrack/ftrack_server/sub_event_storer.py

@@ -112,7 +112,8 @@ if __name__ == "__main__":
 
     signal.signal(signal.SIGINT, signal_handler)
     signal.signal(signal.SIGTERM, signal_handler)
-    if hasattr(signal, "SIGKILL"):
+    try:
         signal.signal(signal.SIGKILL, signal_handler)
-
+    except OSError:
+        pass
     sys.exit(main(sys.argv))

pype/ftrack/ftrack_server/sub_legacy_server.py

@@ -94,7 +94,8 @@ if __name__ == "__main__":
 
     signal.signal(signal.SIGINT, signal_handler)
     signal.signal(signal.SIGTERM, signal_handler)
-    if hasattr(signal, "SIGKILL"):
+    try:
         signal.signal(signal.SIGKILL, signal_handler)
-
+    except OSError:
+        pass
     sys.exit(main(sys.argv))