106 lines
4.3 KiB
Python
106 lines
4.3 KiB
Python
#!/usr/bin/env python
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import sys
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import sys
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if sys.version_info[0] >= 3:
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import PySimpleGUI as sg
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else:
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import PySimpleGUI27 as sg
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import os
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import signal
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import psutil
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import operator
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"""
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Utility to show running processes, CPU usage and provides way to kill processes.
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Based on psutil package that is easily installed using pip
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"""
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def kill_proc_tree(pid, sig=signal.SIGTERM, include_parent=True,
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timeout=None, on_terminate=None):
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"""Kill a process tree (including grandchildren) with signal
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"sig" and return a (gone, still_alive) tuple.
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"on_terminate", if specified, is a callabck function which is
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called as soon as a child terminates.
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"""
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if pid == os.getpid():
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raise RuntimeError("I refuse to kill myself")
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parent = psutil.Process(pid)
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children = parent.children(recursive=True)
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if include_parent:
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children.append(parent)
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for p in children:
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p.send_signal(sig)
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gone, alive = psutil.wait_procs(children, timeout=timeout,
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callback=on_terminate)
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return (gone, alive)
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def main():
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# ---------------- Create Form ----------------
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# sg.ChangeLookAndFeel('Topanga')
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layout = [[sg.Text('Process Killer - Choose one or more processes',
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size=(45,1), font=('Helvetica', 15), text_color='red')],
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[sg.Listbox(values=[' '], size=(50, 30), select_mode=sg.SELECT_MODE_EXTENDED, font=('Courier', 12), key='_processes_')],
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[sg.Text('Click refresh once or twice.. once for list, second to get CPU usage')],
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[sg.T('Filter by typing name', font='ANY 14'), sg.In(size=(15,1), font='any 14', key='_filter_')],
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[sg.RButton('Sort by Name', ),
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sg.RButton('Sort by % CPU', button_color=('white', 'DarkOrange2')),
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sg.RButton('Kill', button_color=('white','red'), bind_return_key=True),
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sg.Exit(button_color=('white', 'sea green'))]]
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window = sg.Window('Process Killer',
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keep_on_top=True,
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auto_size_buttons=False,
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default_button_element_size=(12,1),
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return_keyboard_events=True,
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).Layout(layout)
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display_list = None
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# ---------------- main loop ----------------
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while (True):
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# --------- Read and update window --------
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button, values = window.Read()
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if 'Mouse' in button or 'Control' in button or 'Shift' in button:
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continue
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# --------- Do Button Operations --------
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if values is None or button == 'Exit':
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break
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if button == 'Sort by Name':
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psutil.cpu_percent(interval=1)
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procs = psutil.process_iter()
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all_procs = [[proc.cpu_percent(), proc.name(), proc.pid] for proc in procs]
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sorted_by_cpu_procs = sorted(all_procs, key=operator.itemgetter(1), reverse=False)
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display_list = []
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for process in sorted_by_cpu_procs:
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display_list.append('{:5d} {:5.2f} {}\n'.format(process[2], process[0]/10, process[1]))
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window.FindElement('_processes_').Update(display_list)
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elif button == 'Kill':
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processes_to_kill = values['_processes_']
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for proc in processes_to_kill:
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pid = int(proc[0:5])
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if sg.PopupYesNo('About to kill {} {}'.format(pid, proc[13:]), keep_on_top=True) == 'Yes':
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kill_proc_tree(pid=pid)
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elif button == 'Sort by % CPU':
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psutil.cpu_percent(interval=1)
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procs = psutil.process_iter()
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all_procs = [[proc.cpu_percent(), proc.name(), proc.pid] for proc in procs]
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sorted_by_cpu_procs = sorted(all_procs, key=operator.itemgetter(0), reverse=True)
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display_list = []
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for process in sorted_by_cpu_procs:
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display_list.append('{:5d} {:5.2f} {}\n'.format(process[2], process[0]/10, process[1]))
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window.FindElement('_processes_').Update(display_list)
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else:
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if display_list is not None:
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new_output = []
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for line in display_list:
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if values['_filter_'] in line.lower():
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new_output.append(line)
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window.FindElement('_processes_').Update(new_output)
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if __name__ == "__main__":
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main() |