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little improvements in processManager class

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Bastian Schroll 2019-03-08 07:43:19 +01:00
parent 5bc5fae9b2
commit bb1fd118f5
2 changed files with 33 additions and 19 deletions
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30
boswatch/processManager.py
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@ -32,15 +32,12 @@ class ProcessManager:
self._processHandle = None
self._textMode = textMode
def __del__(self):
self.stop()
def addArgument(self, arg):
"""!add a new argument
@param arg: argument to add as string"""
logging.debug("add argument to process: %s -> %s", self._args[0], arg)
self._args.append(arg)
self._args.append(arg.split())
def clearArguments(self):
"""!clear all arguments"""
@ -48,25 +45,24 @@ class ProcessManager:
def start(self):
"""!start the new process"""
logging.debug("start new process: %s", self._args[0])
self._processHandle = subprocess.Popen(self._args,
stdin=self._stdin,
stdout=self._stdout,
stderr=self._stderr,
universal_newlines=self._textMode)
logging.debug("start new process: %s", self._args)
try:
self._processHandle = subprocess.Popen(self._args,
stdin=self._stdin,
stdout=self._stdout,
stderr=self._stderr,
universal_newlines=self._textMode)
except FileNotFoundError:
logging.error("File not found: %s", self._args[0])
def stop(self):
"""!Stop the process by sending SIGTERM and wait for ending
@return return code of process"""
"""!Stop the process by sending SIGTERM and wait for ending"""
if self._processHandle and self.isRunning:
logging.debug("stopping process: %s", self._args[0])
self._processHandle.terminate()
while self.isRunning:
pass
return self._processHandle.returnCode
logging.debug("process not running: %s", self._args[0])
return 0
logging.debug("cannot stop - process not running: %s", self._args[0])
def readline(self):
"""!Read one line from stdout stream
@ -112,4 +108,4 @@ class ProcessManager:
if self._processHandle.poll() is None:
return True
return False