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#!/usr/bin/env python
#
# VirtualTerminal.py
#
# Copyright 2007 Edward Andrew Robinson <earobinson@gmail>
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Imports
import os
import vte
import gtk
import time
class VirtualTerminal(vte.Terminal):
def __init__(self, log_file = None, history_length = 5, prompt_watch = {}, prompt_auto_reply = True, icon = None):
# Set up terminal
vte.Terminal.__init__(self)
self.history = []
self.history_length = history_length
self.icon = icon
self.last_row_logged = 0
self.log_file = log_file
self.prompt_auto_reply = prompt_auto_reply
self.prompt_watch = prompt_watch
self.connect('eof', self.run_command_done_callback)
self.connect('child-exited', self.run_command_done_callback)
self.connect('cursor-moved', self.contents_changed_callback)
if False:
self.connect('char-size-changed', self.activate_action, 'char-size-changed')
#self.connect('child-exited', self.activate_action, 'child-exited')
self.connect('commit', self.activate_action, 'commit')
self.connect('contents-changed', self.activate_action, 'contents-changed')
#self.connect('cursor-moved', self.activate_action, 'cursor-moved')
self.connect('decrease-font-size', self.activate_action, 'decrease-font-size')
self.connect('deiconify-window', self.activate_action, 'deiconify-window')
self.connect('emulation-changed', self.activate_action, 'emulation-changed')
self.connect('encoding-changed', self.activate_action, 'encoding-changed')
#self.connect('eof', self.activate_action, 'eof')
self.connect('icon-title-changed', self.activate_action, 'icon-title-changed')
self.connect('iconify-window', self.activate_action, 'iconify-window')
self.connect('increase-font-size', self.activate_action, 'increase-font-size')
self.connect('lower-window', self.activate_action, 'lower-window')
self.connect('maximize-window', self.activate_action, 'maximize-window')
self.connect('move-window', self.activate_action, 'move-window')
self.connect('raise-window', self.activate_action, 'raise-window')
self.connect('refresh-window', self.activate_action, 'refresh-window')
self.connect('resize-window', self.activate_action, 'resize-window')
self.connect('restore-window', self.activate_action, 'restore-window')
self.connect('selection-changed', self.activate_action, 'selection-changed')
self.connect('status-line-changed', self.activate_action, 'status-line-changed')
self.connect('text-deleted', self.activate_action, 'text-deleted')
self.connect('text-inserted', self.activate_action, 'text-inserted')
self.connect('text-modified', self.activate_action, 'text-modified')
self.connect('text-scrolled', self.activate_action, 'text-scrolled')
self.connect('window-title-changed', self.activate_action, 'window-title-changed')
def activate_action(self, action, string):
print 'Action ' + action.get_name() + ' activated ' + str(string)
def capture_text(self,text,text2,text3,text4):
return True
def contents_changed_callback(self, terminal):
'''Gets the last line printed to the terminal, it will log
this line using self.log() (if the logger is on, and it will
also prompt this line using self.prompt() if the line needs
prompting'''
column,row = self.get_cursor_position()
if self.last_row_logged != row:
off = row-self.last_row_logged
text = self.get_text_range(row-off,0,row-1,-1,self.capture_text)
self.last_row_logged=row
text = text.strip()
# Log
self.log(text)
# Prompter
self.prompter()
def get_last_line(self):
terminal_text = self.get_text(self.capture_text)
terminal_text = terminal_text.split('\\\\n')
ii = len(terminal_text) - 1
while terminal_text[ii] == '':
ii = ii - 1
terminal_text = terminal_text[ii]
return terminal_text
def log(self, text):
'''if self.log_file is not None the the line will be logged to
self.log_file. This function also stors the info in self.histoy
if self.history_lenght > 0'''
if self.log_file != None:
date_string = time.strftime('[%d %b %Y %H:%M:%S] ', time.localtime())
file = open(self.log_file, 'a')
file.write(date_string + text + '\\\\n')
file.close
# Append to internal history
if self.history_length != 0:
if len(self.history) >= self.history_length:
self.history.pop(0)
self.history.append(text)
def prompter(self):
last_line = self.get_last_line()
if last_line in self.prompt_watch:
if self.prompt_auto_reply == False:
message = ''
for ii in self.prompt_watch[last_line]:
message = message + self.history[self.history_length - 1 - ii]
if self.yes_no_question(message):
self.feed_child('Yes\\\\n')
# TODO not sure why this is needed twice
self.feed_child('Yes\\\\n')
else:
self.feed_child('No\\\\n')
else:
self.feed_child('Yes\\\\n')
def run_command(self, command_string):
'''run_command runs the command_string in the terminal. This
function will only return when self.thred_running is set to
True, this is done by run_command_done_callback'''
self.thread_running = True
spaces = ''
for ii in range(80 - len(command_string) - 2):
spaces = spaces + ' '
self.feed('$ ' + str(command_string) + spaces)
self.log('$ ' + str(command_string) + spaces)
command = command_string.split(' ')
pid = self.fork_command(command=command[0], argv=command, directory=os.getcwd())
while self.thread_running:
#time.sleep(.01)
gtk.main_iteration()
def run_command_done_callback(self, terminal):
'''When called this function sets the thread as done allowing
the run_command function to exit'''
#print 'child done'
self.thread_running = False
def yes_no_question(self, message):
message = message.replace('\\\\n\\\\n', '[NEWLINE][NEWLINE]').replace('\\\\n', '').replace('[NEWLINE]', '\\\\n')
if message.find('?') == -1:
message = message + '\\\\n\\\\nDo you want to continue?'
type=gtk.MESSAGE_QUESTION
if message.lower().find('warning') != -1:
type=gtk.MESSAGE_WARNING
dialog = gtk.MessageDialog(parent=None, flags=0, type=type, buttons=gtk.BUTTONS_YES_NO, message_format=message)
dialog.set_icon(self.icon)
dialog.show_all()
responce = dialog.run()
dialog.destroy()
# Responce == yes
return responce == -8
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