cpython/Demo/tkinter/guido/svkill.py

146 lines
4.1 KiB
Python
Executable File

#! /usr/local/bin/python
# Tkinter interface to SYSV `kill' command.
from Tkinter import *
from string import splitfields
from string import split
import commands
import os
user = os.environ['LOGNAME']
class BarButton(Menubutton):
_CNF = {Pack: {'side': 'left'}}
def __init__(self, master=None, cnf={}):
Menubutton.__init__(self, master, (self._CNF, cnf))
self.menu = Menu(self, {'name': 'menu'})
self['menu'] = self.menu
class Kill(Frame):
# List of (name, option, pid_column)
view_list = [
('Default', ''),
('Every (-e)', '-e'),
('Non process group leaders (-d)', '-d'),
('Non leaders with tty (-a)', '-a'),
('For this user (-u %s)' % user, '-u %s' % user),
]
format_list = [
('Default', '', 0),
('Long (-l)', '-l', 3),
('Full (-f)', '-f', 1),
('Full Long (-f -l)', '-l -f', 3),
('Session and group ID (-j)', '-j', 0),
('Scheduler properties (-c)', '-c', 0),
]
def kill(self, selected):
c = self.format_list[self.format.get()][2]
pid = split(selected)[c]
os.system('kill' + ' -9 ' + pid)
self.do_update()
def do_update(self):
format = self.format_list[self.format.get()][1]
view = self.view_list[self.view.get()][1]
s = commands.getoutput('ps %s %s' % (view, format))
list = splitfields(s, '\n')
self.header.set(list[0] + ' ')
del list[0]
y = self.frame.vscroll.get()[2]
self.frame.list.delete(0, AtEnd())
for line in list:
self.frame.list.insert(0, line)
self.frame.list.yview(y)
def do_motion(self, e):
e.widget.select_from(e.widget.nearest(e.y))
def do_leave(self, e):
e.widget.select_clear()
def do_1(self, e):
self.kill(e.widget.get(e.widget.nearest(e.y)))
def __init__(self, master=None, cnf={}):
Frame.__init__(self, master, cnf)
self.pack({'expand': 'yes', 'fill': 'both'})
self.bar = Frame(
self,
{'name': 'bar',
'relief': 'raised',
'bd': 2,
Pack: {'side': 'top',
'fill': 'x'}})
self.bar.file = BarButton(self.bar, {'text': 'File'})
self.bar.file.menu.add_command(
{'label': 'Quit', 'command': self.quit})
self.bar.view = BarButton(self.bar, {'text': 'View'})
self.bar.format = BarButton(self.bar, {'text': 'Format'})
self.view = IntVar(self)
self.view.set(0)
self.format = IntVar(self)
self.format.set(0)
for num in range(len(self.view_list)):
label, option = self.view_list[num]
self.bar.view.menu.add_radiobutton(
{'label': label,
'command': self.do_update,
'variable': self.view,
'value': num})
for num in range(len(self.format_list)):
label, option, col = self.format_list[num]
self.bar.format.menu.add_radiobutton(
{'label': label,
'command': self.do_update,
'variable': self.format,
'value': num})
self.bar.tk_menuBar(self.bar.file,
self.bar.view,
self.bar.format)
self.frame = Frame(
self,
{'relief': 'raised', 'bd': 2,
Pack: {'side': 'top',
'expand': 'yes',
'fill': 'both'}})
self.header = StringVar(self)
self.frame.label = Label(
self.frame,
{'relief': 'flat',
'anchor': 'nw',
'borderwidth': 0,
'font': '*-Courier-Bold-R-Normal-*-120-*',
'textvariable': self.header,
Pack: {'side': 'top',
'fill': 'y',
'anchor': 'w'}})
self.frame.vscroll = Scrollbar(
self.frame,
{'orient': 'vertical'})
self.frame.list = Listbox(
self.frame,
{'relief': 'sunken',
'font': '*-Courier-Medium-R-Normal-*-120-*',
'geometry': '40x10',
'selectbackground': '#eed5b7',
'selectborderwidth': 0,
'yscroll': self.frame.vscroll.set})
self.frame.vscroll['command'] = self.frame.list.yview
self.frame.vscroll.pack({'side': 'right', 'fill': 'y'})
self.frame.list.pack(
{'side': 'top',
'expand': 'yes',
'fill': 'both'})
self.update = Button(
self,
{'text': 'Update',
'command': self.do_update,
Pack: {'expand': 'no',
'fill': 'x'}})
self.frame.list.bind('<Motion>', self.do_motion)
self.frame.list.bind('<Leave>', self.do_leave)
self.frame.list.bind('<1>', self.do_1)
self.do_update()
if __name__ == '__main__':
kill = Kill(None, {'bd': 5})
kill.winfo_toplevel().title('Tkinter Process Killer (SYSV)')
kill.winfo_toplevel().minsize(1, 1)
kill.mainloop()