Move signal handling to new module

solvable/src/event_handler_main.py

@@ -1,12 +1,10 @@
 import logging
 from sys import stderr
 from functools import partial
-from signal import signal, SIGTERM, SIGINT
 
 from tornado.ioloop import IOLoop
 
 from tfw.fsm import YamlFSM
-from tfw.builtins import EventHandler
 from tfw.builtins import IdeEventHandler, TerminalEventHandler, FrontendEventHandler
 from tfw.builtins import LogMonitoringEventHandler, ProcessManagingEventHandler
 from tfw.builtins import DirectorySnapshottingEventHandler, FSMManagingEventHandler
@@ -16,6 +14,7 @@ from tao.config import TAOENV
 
 from custom_event_handlers import MessageFSMStepsEventHandler
 from custom_event_handlers import TerminalCallbackEventHandler, TestCommands
+from signal_handling import setup_signal_handlers
 
 LOG = logging.getLogger(__name__)
 
@@ -72,12 +71,7 @@ def main():
         key='test'
     )
 
-    def stop(*_):
+    setup_signal_handlers()
-        EventHandler.stop_all_instances()
-        exit(0)
-    signal(SIGTERM, stop)
-    signal(SIGINT, stop)
-
     IOLoop.instance().start()
 
 

solvable/src/pipe_io_main.py

@@ -1,10 +1,8 @@
 import logging
 from sys import stderr
-from signal import signal, SIGTERM, SIGINT
 
 from tornado.ioloop import IOLoop
 
-from tfw.builtins import EventHandler
 from tfw.builtins import PipeIOEventHandler
 from tfw.config import TFWENV
 from tfw.logging import Log, Logger, LogFormatter, VerboseLogFormatter
@@ -15,6 +13,7 @@ from pipe_io_auxlib import (
         DeployPipeIOEventHandler, IdePipeIOEventHandler,
         FSMPipeIOEventHandler
 )
+from signal_handling import setup_signal_handlers
 
 LOG = logging.getLogger(__name__)
 
@@ -67,12 +66,7 @@ def main():
         '/tmp/tfw_fsm_recv'
     )
 
-    def stop(*_): 
+    setup_signal_handlers()
-        EventHandler.stop_all_instances()
-        exit(0)
-    signal(SIGTERM, stop)
-    signal(SIGINT, stop)
-
     IOLoop.instance().start()
 
 

solvable/src/signal_handling.py

@@ -0,0 +1,11 @@
+from signal import signal, SIGTERM, SIGINT
+
+from tfw.builtins import EventHandler
+
+
+def setup_signal_handlers():
+    def stop(*_):
+        EventHandler.stop_all_instances()
+        exit(0)
+    signal(SIGTERM, stop)
+    signal(SIGINT, stop)