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suspend_process.py
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suspend_process.py
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# currently case-sensitive
import psutil, time, colorama, sys, os
import get_process
import win32gui, win32con, win32api
import threading
import argparse
# script path
g_dir = os.path.dirname( os.path.realpath( __file__ ) ) + '\\'
def show_window( hwnd, op ):
win32gui.ShowWindow( hwnd, op )
#print( 'Last err:', win32api.GetLastError() )
if op > 0:
win32gui.SetForegroundWindow( hwnd )
def toggle_window( bHide, pid, title ):
#return
if not title:
return
hwnds = get_process.get_hwnds_for_pid( pid )
if len(hwnds) == 0:
return
ts = []
for i, hwnd in enumerate(hwnds):
# first only
if 0 and i != 0:
break
# top; doesn't filter anything
if 1 and win32gui.GetWindow( hwnd, win32con.GW_OWNER ) != 0:
continue
# title
title2 = win32gui.GetWindowText( hwnd )
print( f'HWND={hex( hwnd )}, title="{title2}"' )
if 1 and title and not title in title2:
continue
op = 0 if bHide else 1
print( f' Found: HWND={hwnd}, title="{title2}", sending ShowWindow({op})' )
if 0:
win32gui.ShowWindow( hwnd, op )
else:
t = threading.Thread( target=show_window, args=[hwnd, op] )
t.start()
ts.append( t )
for t in ts:
t.join()
def toggle_suspend( pname, title, delay ):
# get latest process
bSuspend = 0
proc = []
field = -1
for proc2 in psutil.process_iter( attrs=['pid', 'name'] ):
#print(proc2.info)
if proc2.name() == pname:
#field2 = proc2.create_time()
mem = proc2.memory_info() #'wset'
field2 = mem.rss
#if field == -1 or field2 < field:
if field2 > field:
proc = proc2
field = field2
if not proc:
msg = "There's no process '%s'" % pname
print( msg )
win32api.MessageBox( 0, msg, 'suspend_process.py', 48 )
#input()
return bSuspend, proc
bSuspend = not proc.status() == psutil.STATUS_STOPPED
print( f" '{pname}' was found (pid={proc.pid}), bSuspend={bSuspend}" )
if not bSuspend: # resume
if delay > 0:
print( f"Waiting for {delay}min:" )
for i in range( delay ):
print( "%d " % (delay - i), end = '', flush=True )
time.sleep( 60 )
print('')
if 1:
# resume doesn't always work; using an external util
cmd = g_dir + '\pssuspend.exe -nobanner -r %d' % proc.pid
os.system( cmd )
else:
proc.resume()
print( colorama.Fore.GREEN + colorama.Style.BRIGHT + "resumed" + colorama.Style.RESET_ALL )
if proc.status() != psutil.STATUS_RUNNING:
print( f"'{pname}'", colorama.Fore.YELLOW + colorama.Style.BRIGHT + f"The process hasn't resumed; status={proc.status()}" + colorama.Style.RESET_ALL )
input()
print()
toggle_window( bSuspend, proc.pid, title )
print()
# check activity
while 0:
cp = proc.cpu_percent( interval=1 ) # delay
if cp < 5:
print( "cpu_percent=%f" % cp )
time.sleep( 1 )
else:
break
else: # suspend
print()
toggle_window( bSuspend, proc.pid, title )
print()
proc.suspend()
print( colorama.Fore.RED + colorama.Style.BRIGHT + "suspended" + colorama.Style.RESET_ALL )
time.sleep( 1 )
while 0 and proc.status() != psutil.STATUS_STOPPED:
print( f"'{pname}'", colorama.Fore.YELLOW + colorama.Style.BRIGHT + f"The process hasn't stopped; status={proc.status()}" + colorama.Style.RESET_ALL )
time.sleep( 1 )
return bSuspend, proc
def main():
parser = argparse.ArgumentParser()
parser.add_argument( 'pname', nargs='+' )
parser.add_argument( '--title', '-t', nargs='+' )
parser.add_argument( '--delay', '-d', type=int, default=0 )
p = parser.parse_args()
pname = ' '.join( p.pname ) + '.exe'
title = ''
if p.title:
title = ' '.join( p.title )
print( f'pname="{pname}", title="{title}", delay={p.delay}', flush=True )
bSuspend, proc = toggle_suspend( pname, title, p.delay )
if __name__ == "__main__":
main()