Comply EventHandler changes

solvable/src/event_handler_main.py

@@ -6,9 +6,8 @@ from signal import signal, SIGTERM, SIGINT
 from tornado.ioloop import IOLoop
 
 from tfw.fsm import YamlFSM
-from tfw.event_handlers import EventHandlerBase, FSMAwareEventHandler, TFWServerUplinkConnector
-from tfw.builtins import FrontendEventHandler
-from tfw.builtins import IdeEventHandler, TerminalEventHandler
+from tfw.builtins import EventHandler, FSMAwareEventHandler, TFWServerUplinkConnector
+from tfw.builtins import IdeEventHandler, TerminalEventHandler, FrontendEventHandler
 from tfw.builtins import LogMonitoringEventHandler, ProcessManagingEventHandler
 from tfw.builtins import DirectorySnapshottingEventHandler, FSMManagingEventHandler, MessageSender
 from tfw.components import TerminalCommands
@@ -19,7 +18,7 @@ from tao.config import TAOENV
 LOG = logging.getLogger(__name__)
 
 
-class TerminalCallbackEventHandler(EventHandlerBase):
+class TerminalCallbackEventHandler(EventHandler):
     """
     Logs commands executed in terminal to messages and invokes an
     additional callback function to handle special commands.
@@ -162,8 +161,8 @@ def main():
         key='test'
     )
 
-    event_handlers = EventHandlerBase.get_local_instances()
-    def stop(sig, frame):
+    event_handlers = EventHandler.get_local_instances()
+    def stop(sig, frame):  # pylint: disable=unused-argument
         for eh in event_handlers:
             eh.stop()
         exit(0)

solvable/src/pipe_io_auxlib.py

@@ -14,7 +14,6 @@ class SignMessagePipeIOEventHandler(PipeIOEventHandlerBase):
     When forwarding is true, it will send the signed message to the TFW
     server before writing it into the output pipe.
     """
-    
     def __init__(
             self, in_pipe_path, out_pipe_path,
             permissions=DEFAULT_PERMISSIONS,

solvable/src/pipe_io_main.py

@@ -18,6 +18,8 @@ LOG = logging.getLogger(__name__)
 
 
 if __name__ == '__main__':
+    # pylint: disable=pointless-string-statement
+    TFWLog().start()
     """
     Creates general purpose pipes.
     The first parameter associates the receiving pipe with a key, which is
@@ -71,7 +73,7 @@ if __name__ == '__main__':
     )
 
     event_handlers = EventHandlerBase.get_local_instances()
-    def stop(sig, frame):
+    def stop(sig, frame):  # pylint: disable=unused-argument
         for eh in event_handlers:
             eh.stop()
         exit(0)

solvable/src/test_fsm.py

@@ -3,7 +3,7 @@
 from os.path import exists
 
 from tfw.fsm import LinearFSM
-from tfw.networking import MessageSender
+from tfw.builtins import MessageSender
 
 
 class TestFSM(LinearFSM):

solvable/src/webservice/user_ops.py

@@ -1,5 +1,3 @@
-from json import dumps
-
 from pipe_io import PipeWriter
 from crypto import PasswordHasher
 from model import User