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#!/usr/bin/env python
# -*- Mode: python; c-basic-offset: 4 -*-
#
# Interactive PyGtk Console, Johan Dahlin 2002
#
import os
import signal
import sys
import string
import socket, select
from code import InteractiveInterpreter, InteractiveConsole
import gtk
from gtk import TRUE, FALSE
# For compatibility, instead of using GDK.INPUT_READ or
# gtk.gdk.INPUT_READ depending on the PyGtk version
GDK_INPUT_READ = 1
class Mainloop(InteractiveInterpreter):
def __init__(self, read_fd, sock):
InteractiveInterpreter.__init__(self)
self._rfd = os.fdopen(read_fd, 'r')
self._sock = sock
gtk.input_add(read_fd, GDK_INPUT_READ, self.input_func)
def read_message(self):
length = ord(self._rfd.read(1))
return self._rfd.read(length)
def input_func(self, fd, cond):
data = self.read_message()
more = self.runsource(data)
self._sock.send(chr(more))
return TRUE
def run(self):
gtk.main()
class Console(InteractiveConsole):
def __init__(self, write_fd, sock, pid):
InteractiveConsole.__init__(self)
self._wfd = os.fdopen(write_fd, 'w')
self._sock = sock
self.pid = pid
def send_message(self, message):
self._wfd.write('%c%s' % (len(message), message))
self._wfd.flush()
def interact(self, banner=None):
InteractiveConsole.interact(self, banner)
# Die child die
os.kill(self.pid, 9)
def runsource(self, source, filename):
self.send_message(source)
# wait for notification from parent
select.select([self._sock],[],[])
more = ord(self._sock.recv(1))
return more
class GtkInterpreter(Console):
def __init__(self):
rfd, wfd = os.pipe()
# set up socket for returning command result
sigsock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock_addr = None
for port in range(4321,5321):
try:
sigsock.bind(('', port))
sock_addr = ('', port)
except:
pass
if not sock_addr:
print "Can't open socket"
sigsock.listen(1)
parent_pid = os.getpid()
child_pid = os.fork()
if not child_pid:
# connect to command return socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(sock_addr)
g = Mainloop(rfd, sock)
g.run()
else:
# Wait for command return socket connection
sock, addr = sigsock.accept()
Console.__init__(self, wfd, sock, child_pid)
def interact():
try:
import readline
import rlcompleter
readline.parse_and_bind('tab: complete')
except ImportError:
pass
gi = GtkInterpreter()
gi.push("from gtk import *")
python_version = string.split(sys.version)[0]
try:
pygtk_version = string.join(map(str, gtk.pygtk_version), '.')
gtk_version = string.join(map(str, gtk.gtk_version), '.')
except:
pygtk_version = '0.6.x'
gtk_version = '1.2.x'
banner = """Python %s, PyGTK %s (Gtk+ %s)
Interactive console to manipulate GTK+ widgets.""" % (python_version,
pygtk_version,
gtk_version)
gi.interact(banner)
if __name__ == '__main__':
interact()
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