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#!/usr/bin/env python
#
# inspect_plwm.py -- PLWM inspect client
#
# Copyright (C) 2001 Peter Liljenberg <petli@ctrl-c.liu.se>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import sys
import os
from Xlib import display, rdb
import readline
import socket
import struct
import string
class InspectError(Exception): pass
class Inspect:
def __init__(self, disp):
# Get property containing inspect port and cookie
self.PLWM_INSPECT_SERVER = disp.intern_atom('_PLWM_INSPECT_SERVER')
p = disp.screen().root.get_property(self.PLWM_INSPECT_SERVER,
self.PLWM_INSPECT_SERVER,
0, 2)
if not p or p.format != 32 or len(p.value) != 2:
raise InspectError('valid _PLWM_INSPECT_SERVER property not found')
port = int(p.value[0])
cookie = int(p.value[1])
# Connect to the same host as the display
host = string.split(disp.get_display_name(), ':')[0]
if host == '':
host = '127.0.0.1'
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.connect((host, port))
self.recv_buf = ''
# Send cookie, little-endian coded
self.send_raw(struct.pack('>l', cookie))
# Recieve and print welcome message
sys.stdout.write(self.recv())
def send_raw(self, data):
while data:
n = self.socket.send(data)
data = data[n:]
def send(self, data):
self.send_raw(struct.pack('>l', len(data)) + data)
def recv(self):
length = None
while length is None or len(self.recv_buf) < length:
d = self.socket.recv(1000)
if not d:
raise InspectError('connection closed by server')
self.recv_buf = self.recv_buf + d
if length is None:
if len(self.recv_buf) < 4:
continue
length = struct.unpack('>l', self.recv_buf[:4])[0]
self.recv_buf = self.recv_buf[4:]
d = self.recv_buf[:length]
self.recv_buf = self.recv_buf[length:]
return d
def loop(self):
try:
while 1:
expr = raw_input('>>> ')
if expr:
# If first character of expr is a space,
# then this is a multiline statement.
# Read more lines until we get an empty one
if expr[0] == ' ':
lines = [expr[1:]]
while 1:
d = raw_input('... ')
lines.append(d[1:])
if not d:
break
expr = string.join(lines, '\n')
self.send(expr)
sys.stdout.write(self.recv())
except EOFError:
self.socket.close()
def main():
d, name, db, argv = rdb.get_display_opts(rdb.stdopts)
Inspect(d).loop()
if __name__ == '__main__':
main()
|
