Solver: Minor change.

src/Solver/ASolver.py

@@ -3,7 +3,6 @@
 import os
 
 from signal import SIGTERM, SIGSTOP, SIGCONT
-from subprocess import Popen, PIPE, STDOUT, TimeoutExpired
 from enum import Enum
 
 from Model.Except import NotImplementedMethodeError
@@ -12,9 +11,6 @@ class STATUS(Enum):
     NOT_LAUNCHED = -1
     STOPED = 0
     RUNNING = 1
-    FAILED = 2
-    CONF_ERROR = 3
-    KILLED = 4
     PAUSED = 5
 
 class AbstractSolver(object):
@@ -90,6 +86,15 @@ class AbstractSolver(object):
     def status(self, status):
         self._status = status
 
+    def is_running(self):
+        return self._status == STATUS.RUNNING
+
+    def is_paused(self):
+        return self._status == STATUS.PAUSED
+
+    def is_stoped(self):
+        return self._status == STATUS.STOPED
+
     @name.setter
     def name(self, name):
         self._name = name
@@ -137,6 +142,7 @@ class AbstractSolver(object):
         self._process.readyRead.connect(self._data_ready)
         self._process.finished.connect(self._finished)
 
+        self._status = STATUS.RUNNING
         return True
 
     def run_output_data_fomater(self):
@@ -153,6 +159,7 @@ class AbstractSolver(object):
     def _finished(self, exit_code, exit_status):
         if self._output is not None:
             self._output.put(exit_code)
+        self._status = STATUS.STOPED
 
     def run(self, process, output_queue):
         self._process = process
@@ -167,12 +174,12 @@ class AbstractSolver(object):
             return True
 
         self._process.kill()
-        self._status = STATUS.KILLED
+        self._status = STATUS.STOPED
         return True
 
-    def start(self):
-        if self._process is None:
-            return False
+    def start(self, process = None):
+        if process is not None:
+            self._process = process
 
         if self._status == STATUS.PAUSED:
             os.kill(self._process.pid(), SIGCONT)