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# -*- coding: UTF-8 -*-
#
# main.py
#
# Copyright 2009-2012 Giuseppe Penone <giuspen@gmail.com>
#
# 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.
import gtk, gobject
import sys, os, gettext, socket, threading
import cons, core
HOST = "127.0.0.1"
PORT = 63891
class ServerThread(threading.Thread):
"""Server listening for requests to open new documents"""
def __init__(self, semaphore, msg_server_to_core):
super(ServerThread, self).__init__()
self.semaphore = semaphore
self.msg_server_to_core = msg_server_to_core
def run(self):
sock_srv = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try: sock_srv.bind((HOST, PORT))
except:
print "port %s busy => cherrytree multiple instances centralized control disabled" % PORT
return
sock_srv.listen(1)
while True:
try: conn, addr = sock_srv.accept()
except: continue
print "connected with", addr
while True:
data = conn.recv(1024)
if not data: break
if len(data) < 4 or data[:4] != "ct*=":
print "bad data =", data
break
conn.send("okz")
filepath = filepath_fix(data[4:])
self.semaphore.acquire()
self.msg_server_to_core['p'] = filepath
self.msg_server_to_core['f'] = 1
self.semaphore.release()
conn.close()
class CherryTreeHandler():
def __init__(self, filepath, semaphore, msg_server_to_core, lang_str):
self.semaphore = semaphore
self.msg_server_to_core = msg_server_to_core
self.lang_str = lang_str
self.running_windows = []
filepath = filepath_fix(filepath)
self.window_open_new(filepath)
self.server_check_timer_id = gobject.timeout_add(1000, self.server_periodic_check) # 1 sec
def window_open_new(self, filepath):
"""Open a new top level Window"""
window = core.CherryTree(self.lang_str, filepath, self)
self.running_windows.append(window)
self.curr_win_idx = -1
def on_window_destroy_event(self, widget):
"""Before close the application (from the window top right X)..."""
self.running_windows.pop(self.curr_win_idx)
self.curr_win_idx = -1
if not self.running_windows: gtk.main_quit()
def server_periodic_check(self):
"""Check Whether the server posted messages"""
self.semaphore.acquire()
#print "check '%s'" % self.msg_server_to_core['f']
if self.msg_server_to_core['f']:
self.msg_server_to_core['f'] = 0
# 0) debug
for i, runn_win in enumerate(self.running_windows):
print "already running '%s' - '%s'" % (runn_win.file_dir, runn_win.file_name)
# 1) check for opened window with same filepath
for i, runn_win in enumerate(self.running_windows):
if self.msg_server_to_core['p']\
and runn_win.file_name\
and self.msg_server_to_core['p'] == os.path.join(runn_win.file_dir, runn_win.file_name):
print "1 rise existing '%s'" % self.msg_server_to_core['p']
self.curr_win_idx = i
runn_win.window.present()
break
else:
# 2) check for opened window with empty path
for i, runn_win in enumerate(self.running_windows):
if not runn_win.file_name:
print "2 rise existing '%s'" % self.msg_server_to_core['p']
self.curr_win_idx = i
runn_win.window.present()
runn_win.file_startup_load(self.msg_server_to_core['p'])
break
else:
# 3) run new window
print "3 run '%s'" % self.msg_server_to_core['p']
self.window_open_new(self.msg_server_to_core['p'])
self.semaphore.release()
return True # this way we keep the timer alive
def initializations():
"""Initializations"""
if sys.platform[0:3] == "win":
import warnings
warnings.filterwarnings("ignore")
else:
# config dir check
all_apps_config_dir = os.path.join(os.path.expanduser('~'), '.config')
if not os.path.isdir(all_apps_config_dir): os.mkdir(all_apps_config_dir)
cherrytree_config_dir = os.path.join(all_apps_config_dir, 'cherrytree')
if not os.path.isdir(cherrytree_config_dir): os.mkdir(cherrytree_config_dir)
try:
# change process name
import ctypes, ctypes.util
libc = ctypes.cdll.LoadLibrary(ctypes.util.find_library("libc"))
libc.prctl(15, cons.APP_NAME, 0, 0, 0)
except:
print "libc.prctl not available, the process name will be python and not cherrytree"
try:
# change locale text domain
import locale
locale.bindtextdomain(cons.APP_NAME, cons.LOCALE_PATH)
except:
try:
from ctypes import cdll
libintl = cdll.intl
libintl.bindtextdomain(cons.APP_NAME, cons.LOCALE_PATH)
except:
print "ctypes.cdll.intl.bindtextdomain not available, the glade i18n will not work properly"
try:
from ctypes import windll
lcid = windll.kernel32.GetUserDefaultUILanguage()
os.environ["LANGUAGE"] = cons.MICROSOFT_WINDOWS_LCID_to_ISO_LANG[lcid]
except:
print "ctypes.windll.kernel32.GetUserDefaultUILanguage, the i18n may not work properly"
# language installation
if os.path.isfile(cons.LANG_PATH):
lang_file_descriptor = file(cons.LANG_PATH, 'r')
lang_str = lang_file_descriptor.read()
lang_file_descriptor.close()
if lang_str != 'default': os.environ["LANGUAGE"] = lang_str
else: lang_str = 'default'
try: gettext.translation(cons.APP_NAME, cons.LOCALE_PATH).install()
except:
import __builtin__
def _(transl_str):
return transl_str
__builtin__._ = _
return lang_str
def filepath_fix(filepath):
"""Fix a FilePath to an Absolute Path"""
if not filepath: return ""
if not os.path.dirname(filepath): filepath = os.path.join(os.getcwd(), filepath)
else: filepath = os.path.abspath(filepath)
return filepath
def main(OPEN_WITH_FILE):
"""Everything Starts from Here"""
try:
# client
sock_cln = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock_cln.connect((HOST, PORT))
sock_cln.send("ct*=%s" % OPEN_WITH_FILE)
data = sock_cln.recv(1024)
sock_cln.close()
if data != "okz": raise
except:
# server + core
lang_str = initializations()
gobject.threads_init()
semaphore = threading.Semaphore()
msg_server_to_core = {'f':0, 'p':""}
server_thread = ServerThread(semaphore, msg_server_to_core)
server_thread.start()
CherryTreeHandler(OPEN_WITH_FILE, semaphore, msg_server_to_core, lang_str)
gtk.main() # start the gtk main loop
# quit thread
if sys.platform[0:3] == "win":
import ctypes
PROCESS_TERMINATE = 1
handle = ctypes.windll.kernel32.OpenProcess(PROCESS_TERMINATE, False, os.getpid())
ctypes.windll.kernel32.TerminateProcess(handle, -1)
ctypes.windll.kernel32.CloseHandle(handle)
else:
import signal
os.kill(os.getpid(), signal.SIGALRM)
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