runner: make sup_process.py pylint compliant

slapos/runner/sup_process.py

+# pylint: disable-msg=W0311,C0103
+
 import os
 import signal
 import time
@@ -9,12 +11,19 @@ import xmlrpclib
 
 
 def isRunning(config, process):
+  """
+  Ask supervisor if given process is currently running
+  """
   server = xmlrpclib.Server(config['supervisord_server'])
   state = server.supervisor.getProcessInfo(process)['state']
   return (True if state in (10, 20) else False)
 
 
 def killRunningProcess(config, process, sig=signal.SIGTERM):
+  """
+  Send signal "sig" to given process.
+  Default signal sent is SIGTERM
+  """
   server = xmlrpclib.Server(config['supervisord_server'])
   pid = server.supervisor.getProcessInfo(process)['pid']
   if pid != 0:
@@ -22,21 +31,30 @@ def killRunningProcess(config, process, sig=signal.SIGTERM):
 
 
 def returnCode(config, process):
+  """
+  Get the returned code of the last run of given process
+  """
   server = xmlrpclib.Server(config['supervisord_server'])
   code = server.supervisor.getProcessInfo(process)['exitstatus']
   return code
 
 
 def runProcess(config, process):
+  """
+  Start a process registered by supervisor
+  """
   server = xmlrpclib.Server(config['supervisord_server'])
   server.supervisor.startProcess(process)
 
 
 def runProcesses(config, processes):
+  """
+  Start by supervisor a list of given processes, one by one
+  """
   server = xmlrpclib.Server(config['supervisord_server'])
   for proc in processes:
     server.supervisor.startProcess(proc)
-    waitForProcessEnd(proc)
+    waitForProcessEnd(config, proc)
 
 
 def stopProcess(config, process):
@@ -49,12 +67,18 @@ def stopProcess(config, process):
 
 
 def stopProcesses(config, processes):
+  """
+  Stop a list of processes
+  """
   server = xmlrpclib.Server(config['supervisord_server'])
   for proc in processes:
     server.supervisor.stopProcess(proc)
 
 
 def waitForProcessEnd(config, process):
+  """
+  Block program's execution until given process quits Running state
+  """
   server = xmlrpclib.Server(config['supervisord_server'])
   while True:
     state = server.supervisor.getProcessInfo(process)['state']