BOSWatch/BW3-Core
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some improves and add example

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This commit is contained in:
Bastian Schroll 2019-09-19 10:48:27 +02:00
parent f5c60d2814
commit 34dd0172cf
2 changed files with 71 additions and 6 deletions
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14
boswatch/processManager.py
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@ -44,20 +44,22 @@ class ProcessManager:
"""!clear all arguments"""
self._args = self._args[0:1] # kept first element (process name)
def start(self):
def start(self, startAsShell=False):
"""!start the new process
@return: True or False"""
logging.debug("start new process: %s", self._args)
logging.debug("start new process: %s %s", self._args[0], self._args[1:])
try:
self._processHandle = subprocess.Popen(self._args,
stdin=self._stdin,
stdout=self._stdout,
stderr=self._stderr,
universal_newlines=self._textMode)
universal_newlines=self._textMode,
shell=startAsShell)
if not self.isRunning:
logging.error("cannot start")
return False
logging.debug("process started with PID %d", self._processHandle.pid)
return True
except FileNotFoundError:
@ -73,6 +75,7 @@ class ProcessManager:
pass
else:
logging.debug("process not running: %s", self._args[0])
logging.debug("process %s returned %d", self._args[0], self._processHandle.returncode)
def readline(self):
"""!Read one line from stdout stream
@ -83,8 +86,8 @@ class ProcessManager:
line = self._processHandle.stdout.readline().strip()
except UnicodeDecodeError:
return None
if line != "":
return line
return line
return None
def setStdin(self, stdin):
@ -118,4 +121,3 @@ class ProcessManager:
if self._processHandle.poll() is None:
return True
return False