def __init__(self, storage):
self._lock = Lock()
self.storage = storage
self.log = []
self.password_cb = []
self.plugins = {}
self.commands = {}
self.connections = []
self.exiting = False
self.people = People()
self.chats = []
self.current_chat = None
self.print("This is ja version {}".format(version))
self.print("Copyright © 2012 Edward Toroshchin <*****@*****.**>")
class Ja(object):
def __init__(self, storage):
self._lock = Lock()
self.storage = storage
self.log = []
self.password_cb = []
self.plugins = {}
self.commands = {}
self.connections = []
self.exiting = False
self.people = People()
self.chats = []
self.current_chat = None
self.print("This is ja version {}".format(version))
self.print("Copyright © 2012 Edward Toroshchin <*****@*****.**>")
@threadprotect
def __input(self):
input = self.inputview.get_edit_text()
self.inputview.set_edit_text("")
return input
def __setup_ui(self):
self.sysview = SystemMessagesWidget(self)
self.inputview = Edit("> ")
self.view = Frame(self.sysview, footer=self.inputview, focus_part="footer")
self.loop = MainLoop(self.view, unhandled_input=self.keypress)
setupLogging(self)
self.__update_inputview()
def __setup_commands(self):
for p in dir(self):
if getattr(getattr(self, p), "__command", False):
self.add_command(p, getattr(self, p))
for pname in self.plugins:
plugin = self.plugins[pname]
self.__setup_plugin_commands(plugin, pname)
def __setup_plugin_commands(self, plugin, pname):
for cn in dir(plugin):
cc = getattr(plugin, cn)
if getattr(cc, "__command", False):
self.add_command("{}.{}".format(pname, cn), cc)
@threadprotect
@redraw_screen
def __refresh_sysview(self):
try:
self.sysview.update()
except AttributeError:
pass
@threadprotect
def __update_inputview(self):
if self.password_cb:
self.inputview.set_caption("{}: ".format(self.password_cb[-1][0]))
else:
self.inputview.set_caption("> ")
def add_command(self, name, proc):
if name in self.commands:
self.print("command {} conflicts with existing command".format(name))
else:
self.commands[name] = proc
def add_connection(self, connection):
self.connections.append(connection)
def add_contact(self, contact, connection):
self.people.add_contact(contact, connection)
def ask_password(self, question, callback):
self.password_cb.insert(0, (question, callback))
self.__update_inputview()
def execute(self, lines):
if self.password_cb:
question, cb = self.password_cb.pop()
cb(lines)
self.__update_inputview()
return
if lines.startswith("/"):
args = lines[1:].split(" ", 1)
command = args[0]
arg = args[1] if len(args) > 1 else None
if command in self.commands:
try:
self.commands[command](arg)
except Exception as e:
self.print("error executing command {}: {}".format(command, type(e)))
raise
else:
self.print("unknown command {}".format(command))
else:
if not self.current_chat:
self.print("this is not a chat window")
else:
self.current_chat.send(lines)
if self.exiting:
raise ExitMainLoop()
@command
def help(self, arg):
"""help on ja commands"""
self.print("available commands:")
maxlength = max(map(lambda x: len(x), self.commands.keys()))
for name in sorted(self.commands.keys()):
doc = self.commands[name].__doc__
if not doc:
doc = "no documentation available"
else:
doc = doc.split("\n", 1)[0]
self.print(" {} -- {}".format(name.ljust(maxlength), doc))
def keypress(self, key):
if key == "enter":
self.execute(self.__input())
else:
self.print("unhandled key press {}".format(key))
@command
def load(self, arg):
"""load ja plugin"""
if not arg:
self.print("load: specify a plugin to load")
return
args = arg.split(" ", 1)
modname = args[0]
arg = args[1] if len(args) > 1 else None
try:
__import__(modname)
plugin = sys.modules[modname].instance(self, arg)
if plugin:
name = plugin.name
if name in self.plugins:
self.print("plugin {} already loaded".format(name))
else:
self.plugins[name] = plugin
self.__setup_plugin_commands(plugin, name)
self.print("loaded plugin {} from {}".format(name, modname))
except ImportError as e:
self.print("cannot find plugin {}: {}".format(modname, e))
except AttributeError as e:
self.print("{} is not a ja plugin: {}".format(modname, e))
def print(self, text, level=TWITTER):
self.log.append((datetime.now(), level, text))
self.__refresh_sysview()
@command
def quit(self, arg):
"""quit ja"""
for c in self.connections:
c.disconnect()
del self.connections
self.exiting = True
@redraw_screen
def receive_message(self, message):
for chat in self.chats:
if chat.accept_message(message):
return
chat = Chat(ja=self, message=message)
chat.widget = ChatWidget(chat)
self.chats.append(chat)
self.print("created new window {} for chat with {}".format(len(self.chats) - 1, chat.contact))
def run(self, args):
self.__setup_ui()
self.__setup_commands()
return self.loop.run()
def select_connection(self, contact):
pass # TODO
@command
@redraw_screen
def window(self, arg):
"""switch to window with given number"""
if arg == "system":
self.view.set_body(self.sysview)
self.current_chat = None
else:
try:
wid = int(arg)
self.view.set_body(self.chats[wid].widget)
self.current_chat = self.chats[wid]
except (ValueError, IndexError):
self.print("{} is not a window".format(arg))