macos – Tips on how to decide which one course of owns explicit window

This script will print data(proudly owning PID) about seen home windows.
And data for the window that modified place inside a 5 second interval.
Credit score goes to superuser reply

#!/usr/bin/env python
    
import Quartz
import time
from Basis import NSSet, NSMutableSet
def transformWindowData(knowledge):
    list1 = []
    for v in knowledge:
        if not v.valueForKey_('kCGWindowIsOnscreen'):
            proceed
        

        row = ( 
            str(v.valueForKey_('kCGWindowOwnerPID') or '?').rjust(7) + 
            ' ' + str(v.valueForKey_('kCGWindowNumber') or '?').rjust(5) + 
            ' {' + ('' if v.valueForKey_('kCGWindowBounds') is None else 
                ( 
                    str(int(v.valueForKey_('kCGWindowBounds').valueForKey_('X')))     + ',' + 
                    str(int(v.valueForKey_('kCGWindowBounds').valueForKey_('Y')))     + ',' + 
                    str(int(v.valueForKey_('kCGWindowBounds').valueForKey_('Width'))) + ',' + 
                    str(int(v.valueForKey_('kCGWindowBounds').valueForKey_('Top'))) 
                ) 
                ).ljust(21) + 
            '}' + 
            't[' + ((v.valueForKey_('kCGWindowOwnerName') or '') + ']') + 
            ('' if v.valueForKey_('kCGWindowName') is None else (' ' + v.valueForKey_('kCGWindowName') or '')) 
        ).encode('utf8')
        list1.append(row)

    return list1;

def printBeautifully(dataSet):
    print 'PID'.rjust(7) + ' ' + 'WinID'.rjust(5) + '  ' + 'x,y,w,h'.ljust(21) + ' ' + 't[Title] SubTitle'
    print '-'.rjust(7,'-') + ' ' + '-'.rjust(5,'-') + '  ' + '-'.ljust(21,'-') + ' ' + 't-------------------------------------------'

    # print textList1
    for v in dataSet:
        print v;

#seize preliminary set
wl = Quartz.CGWindowListCopyWindowInfo( Quartz.kCGWindowListOptionAll, Quartz.kCGNullWindowID)
wl = sorted(wl, key=lambda ok: ok.valueForKey_('kCGWindowOwnerPID'))

#convert into readable format
textList1 = transformWindowData(wl);

#print every thing we've got on the display
print 'all home windows:'
printBeautifully(textList1)

print 'Transfer goal window'
time.sleep(5)

#seize window knowledge the second time
wl2 = Quartz.CGWindowListCopyWindowInfo(Quartz.kCGWindowListOptionAll, Quartz.kCGNullWindowID)
textList2 = transformWindowData(wl2)

#examine the distinction
w = NSMutableSet.setWithArray_(textList1)
w.minusSet_(NSSet.setWithArray_(textList2))

#print the distinction
printBeautifully(w)

Output:

all home windows:
    PID WinID  x,y,w,h                  [Title] SubTitle
------- -----  ---------------------    -------------------------------------------
    204     2 {0,0,1280,800         }   [Window Server] Desktop
    479    36 {0,0,1280,800         }   [Dock] Desktop Image - DefaultDesktop.jpg
    731  2893 {640,0,640,800        }   [Finder] /Customers/wolf/Downloads
    731   260 {-608,-1440,2560,1440 }   [Finder]
    731   259 {0,0,1280,800         }   [Finder]
   1301   321 {0,366,1280,411       }   [Audio Hijack] Utility Audio
Transfer goal window
    PID WinID  x,y,w,h                  [Title] SubTitle
------- -----  ---------------------    -------------------------------------------
   1301   321 {0,366,1280,411       }   [Audio Hijack] Utility Audio