poezio.py 2.6 KB
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#!/usr/bin/env python3
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#
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# Copyright 2010 Le Coz Florent <louiz@louiz.org>
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#
# This file is part of Poezio.
#
# Poezio 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, version 3 of the License.
#
# Poezio 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 Poezio.  If not, see <http://www.gnu.org/licenses/>.

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"""
Starting point of poezio. Launches both the Connection and Gui
"""
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import os
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# chdir in the source directory, to import the modules
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# also, no need to use a sh script to "cd" in this directoy
# before launching poezio.
os.chdir(os.path.dirname(os.path.abspath(__file__)))

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import curses
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import sys
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import traceback
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class MyStdErr(object):
    def __init__(self, fd):
        """
        Change sys.stderr to something like /dev/null
        to disable any printout on the screen that would
        mess everything
        """
        self.old_stderr = sys.stderr
        sys.stderr = fd
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    def restore(self):
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        """
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        Restore the good ol' sys.stderr, because we need
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        it in order to print the tracebacks
        """
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        sys.stderr.close()
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        sys.stderr = self.old_stderr

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# my_stderr = MyStdErr(open('/dev/null', 'a'))
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def exception_handler(type_, value, trace):
    """
    on any traceback: exit ncurses and print the traceback
    then exit the program
    """
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    my_stderr.restore()
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    try:
        curses.endwin()
        curses.echo()
    except: # if an exception is raised but initscr has never been called yet
        pass
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    traceback.print_exception(type_, value, trace, None, sys.stderr)
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    import os                   # used to quit the program even from a thread
    os.abort()
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# sys.excepthook = exception_handler
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import signal
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from connection import Connection
from config import config
from gui import Gui

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signal.signal(signal.SIGINT, signal.SIG_IGN) # ignore ctrl-c
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def main():
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    """
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    The main function consist of the Connection initialization
    then the gui (ncurses) init, connection handlers and then the
    connection is "started"
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    """
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    xmpp = Connection()         # Connection init
    gui = Gui(xmpp)             # Gui init.
    xmpp.start()                # Connect to remote server
    gui.main_loop()             # Refresh the screen, wait for user events etc
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if __name__ == '__main__':
    main()