David,
Maybe I'm missing something, but doesn't XP take awhile to launch and kill Notepad?
Does it work a bit better if you launch a process every 10 seconds?
Thanks,
Tom
| "David S." <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED] 03/20/2006 09:42 AM |
|
Hello,
I decided to attempt to use python's win32 extensions as a method to
monitor and control process for my python application. It's working
well in the short term, but, as this app is intended to be very
low-maintenance, and probably high-uptimes without restarting, I want to
put it to the test. I set a loop similar to below to run every second
for the weekend. It wasn't very pretty. I didn't get any process
information (couldn't - system was /almost/ unresponsive) - the most i
could do was alt-tab around, though it wouldn't paint the window, move
the mouse pointer and turn the num lock light on and off. Can anyone
provide some guidance or perhaps point out a problem in my code?
For what it's worth, I think I can poll process /ad infinitum/ without
any lockups.
Thank you,
-David S.
---------------------------------------------------------------------------
def weekendprocesstest():
print 1
Processes.StartProcess("notepad")
print 2
Processes.KillName("notepad")
print 3
---and the functions....
def StartProcess(self, RunCmd):
#not going to bother with win32 for this
#output=os.System(RunCmd).read()
StartupInfo = win32process.STARTUPINFO()
win32process.CreateProcess(
None, # program
RunCmd, # command line
None, # process security attributes
None, # thread attributes
1, # inherit handles, or USESTDHANDLES won't work.
# creation flags. Don't access the console.
0, # Don't need anything here.
# If you're in a GUI app, you should use
# CREATE_NEW_CONSOLE here, or any subprocesses
# might fall victim to the problem described in:
# KB article: Q156755, cmd.exe requires
# an NT console in order to perform redirection..
None, # new environment
None, # new directory
StartupInfo)
self.ProcessTableRefresh()
def KillName(self, matchstring):
#get PIDS that have the supplied substring
self.ProcessTableRefresh()
ProcessList=self.GetProcessList()
for process in ProcessList:
if process[2].lower().find(matchstring.lower())!=-1:
win32process.TerminateProcess(process[0],0)
self.ProcessTableRefresh()
def ProcessTableRefresh(self):
processes = win32process.EnumProcesses()
pnamepidlist=list()
for pid in processes:
try:
handle =
win32api.OpenProcess(win32con.PROCESS_ALL_ACCESS,False, pid)
exe = win32process.GetModuleFileNameEx(handle, 0)
pnamepidlist.append((handle, pid, exe))
except:
pass
self.lProcessTable.acquire()
self.ProcessList=pnamepidlist
self.ProcessTableAge=0
self.lProcessTable.release()
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