class GUI(object):
def __init__(self):
self.screen = Screen()
self.screen.set_input_timeouts(max_wait=0)
self.steps = GridFlow([], 20, 2, 1, 'left')
self.progress = SimpleFocusListWalker([])
self.log = SimpleFocusListWalker([])
self.widget = AttrMap(
LineBox(Pile([
('fixed', 6, AttrMap(Filler(self.steps), 'default')),
('fixed', 1, Filler(Divider('\u2500'))),
('fixed', 3, ListBox(self.progress)),
AttrMap(LineBox(ListBox(self.log), title='Message log'),
'default')
]),
title='Indico 1.2 -> 2.0 migration'), 'global_frame')
self.screen.register_palette(
[('green', 'light green', ''), ('white', 'white', ''),
('red', 'dark red', ''), ('yellow', 'yellow', ''),
('progress_empty', 'black',
'light gray'), ('progress_progress', 'light cyan', 'light gray'),
('progress_done', 'black', 'light cyan'),
('box', 'white', 'dark gray'), ('step_done', 'light green', ''),
('step_working', 'dark gray',
''), ('global_frame', 'light cyan',
''), ('fill', 'light cyan', 'dark cyan'),
('done', 'white', 'dark green'), ('eta', 'yellow', 'dark gray')] +
generate_urwid_palette(PALETTE))
def print_log(self, icon, message, prefix='', event_id=''):
self.log.append(
Text([
color_segments(icon), ' ',
color_segments(prefix), ' ' if prefix else '',
color_segments(
'%[cyan][%[cyan!]{}%[cyan]]%[reset]'.format(event_id))
if event_id else '', ' ' if event_id else '',
color_segments(message)
]))
self.log.set_focus(len(self.log) - 1)
self.redraw()
def start(self):
# don't let Python warnings ruin the GUI
warnings.filterwarnings('ignore')
self.screen.start()
self.redraw()
def stop(self):
self.screen.stop()
warnings.filterwarnings('default')
def create_progress_bar(self, description):
if self.progress:
del self.progress[:]
return StepProgressBar(self, description)
def set_success(self):
if self.progress:
del self.progress[:]
self.progress.append(
AttrMap(Text('Migration finished!', align='center'), 'done'))
self.progress.append(
AttrMap(Text('Please press any key...', align='center'), 'done'))
self.redraw()
self.wait_for_input()
def wait_for_input(self):
self.screen._getch(None)
def set_step_banner(self, msg):
if self.progress:
del self.progress[:]
self.progress.append(BoxAdapter(AttrMap(SolidFill('#'), 'fill'), 3))
def redraw(self):
screen_size = self.screen.get_cols_rows()
canvas = self.widget.render(screen_size, focus=True)
self.screen.get_input()
self.screen.draw_screen(screen_size, canvas)
class Client(Component):
channel = "client"
def init(self, host, port=6667, opts=None):
self.host = host
self.port = port
self.opts = opts
self.hostname = gethostname()
self.nick = opts.nick
self.ircchannel = opts.channel
# Add TCPClient and IRC to the system.
TCPClient(channel=self.channel).register(self)
IRC(channel=self.channel).register(self)
self.create_interface()
def create_interface(self):
self.screen = Screen()
self.screen.start()
self.screen.register_palette([
("title", "white", "dark blue", "standout"),
("line", "light gray", "black"),
("help", "white", "dark blue")]
)
self.body = ListBox(SimpleListWalker([]))
self.lines = self.body.body
self.title = Text(MAIN_TITLE)
self.header = AttrWrap(self.title, "title")
self.help = AttrWrap(
Text(HELP_STRINGS["main"]),
"help"
)
self.input = Edit(caption="%s> " % self.ircchannel)
self.footer = Pile([self.help, self.input])
self.top = Frame(self.body, self.header, self.footer)
def ready(self, component):
"""Ready Event
This event is triggered by the underlying ``TCPClient`` Component
when it is ready to start making a new connection.
"""
self.fire(connect(self.host, self.port))
def connected(self, host, port):
"""connected Event
This event is triggered by the underlying ``TCPClient`` Component
when a successfully connection has been made.
"""
nick = self.nick
hostname = self.hostname
name = "%s on %s using circuits/%s" % (nick, hostname, systemVersion)
self.fire(NICK(nick))
self.fire(USER(nick, hostname, host, name))
def numeric(self, source, numeric, *args):
"""Numeric Event
This event is triggered by the ``IRC`` Protocol Component when we have
received an IRC Numberic Event from server we are connected to.
"""
if numeric == ERR_NICKNAMEINUSE:
self.fire(NICK("{0:s}_".format(args[0])))
elif numeric in (RPL_ENDOFMOTD, ERR_NOMOTD):
self.fire(JOIN(self.ircchannel))
@handler("stopped", channel="*")
def _on_stopped(self, component):
self.screen.stop()
@handler("generate_events")
def _on_generate_events(self, event):
event.reduce_time_left(0)
size = self.screen.get_cols_rows()
if not select(
self.screen.get_input_descriptors(), [], [], 0.1)[0] == []:
timeout, keys, raw = self.screen.get_input_nonblocking()
for k in keys:
if k == "window resize":
size = self.screen.get_cols_rows()
continue
elif k == "enter":
self.processCommand(self.input.get_edit_text())
self.input.set_edit_text("")
continue
self.top.keypress(size, k)
self.input.set_edit_text(self.input.get_edit_text() + k)
self.update_screen(size)
def unknownCommand(self, command):
self.lines.append(Text("Unknown command: %s" % command))
def syntaxError(self, command, args, expected):
self.lines.append(
Text("Syntax error ({0:s}): {1:s} Expected: {2:s}".format(
command, args, expected)
)
)
def processCommand(self, s): # noqa
match = CMD_REGEX.match(s)
if match is not None:
command = match.groupdict()["command"]
if not match.groupdict()["args"] == "":
tokens = match.groupdict()["args"].split(" ")
else:
tokens = []
fn = "cmd" + command.upper()
if hasattr(self, fn):
f = getattr(self, fn)
if callable(f):
args, vargs, kwargs, default = getargspec(f)
args.remove("self")
if len(args) == len(tokens):
if len(args) == 0:
f()
else:
f(*tokens)
else:
if len(tokens) > len(args):
if vargs is None:
if len(args) > 0:
factor = len(tokens) - len(args) + 1
f(*back_merge(tokens, factor))
else:
self.syntaxError(
command, " ".join(tokens),
" ".join(
x for x in args + [vargs]
if x is not None
)
)
else:
f(*tokens)
elif default is not None and \
len(args) == (
len(tokens) + len(default)):
f(*(tokens + list(default)))
else:
self.syntaxError(
command,
" ".join(tokens),
" ".join(
x for x in args + [vargs]
if x is not None
)
)
else:
if self.ircchannel is not None:
self.lines.append(Text("<%s> %s" % (self.nick, s)))
self.fire(PRIVMSG(self.ircchannel, s))
else:
self.lines.append(Text(
"No channel joined. Try /join #<channel>"))
def cmdEXIT(self, message=""):
self.fire(QUIT(message))
raise SystemExit(0)
def cmdSERVER(self, host, port=6667):
self.fire(connect(host, port))
def cmdSSLSERVER(self, host, port=6697):
self.fire(connect(host, port, secure=True))
def cmdJOIN(self, channel):
if self.ircchannel is not None:
self.cmdPART(self.ircchannel, "Joining %s" % channel)
self.fire(JOIN(channel))
self.ircchannel = channel
def cmdPART(self, channel=None, message="Leaving"):
if channel is None:
channel = self.ircchannel
if channel is not None:
self.fire(PART(channel, message))
self.ircchannel = None
def cmdQUOTE(self, message):
self.fire(request(Message(message)))
def cmdQUIT(self, message="Bye"):
self.fire(QUIT(message))
def update_screen(self, size):
canvas = self.top.render(size, focus=True)
self.screen.draw_screen(size, canvas)
@handler("notice", "privmsg")
def _on_notice_or_privmsg(self, event, source, target, message):
nick, ident, host = source
if event.name == "notice":
self.lines.append(Text("-%s- %s" % (nick, message)))
else:
self.lines.append(Text("<%s> %s" % (nick, message)))
class Client(Component):
channel = "client"
def init(self, host, port=6667, opts=None):
self.host = host
self.port = port
self.opts = opts
self.hostname = gethostname()
self.nick = opts.nick
self.ircchannel = opts.channel
# Add TCPClient and IRC to the system.
TCPClient(channel=self.channel).register(self)
IRC(channel=self.channel).register(self)
self.create_interface()
def create_interface(self):
self.screen = Screen()
self.screen.start()
self.screen.register_palette([
("title", "white", "dark blue", "standout"),
("line", "light gray", "black"),
("help", "white", "dark blue")]
)
self.body = ListBox(SimpleListWalker([]))
self.lines = self.body.body
self.title = Text(MAIN_TITLE)
self.header = AttrWrap(self.title, "title")
self.help = AttrWrap(
Text(HELP_STRINGS["main"]),
"help"
)
self.input = Edit(caption="%s> " % self.ircchannel)
self.footer = Pile([self.help, self.input])
self.top = Frame(self.body, self.header, self.footer)
def ready(self, component):
"""Ready Event
This event is triggered by the underlying ``TCPClient`` Component
when it is ready to start making a new connection.
"""
self.fire(connect(self.host, self.port))
def connected(self, host, port):
"""connected Event
This event is triggered by the underlying ``TCPClient`` Component
when a successfully connection has been made.
"""
nick = self.nick
hostname = self.hostname
name = "%s on %s using circuits/%s" % (nick, hostname, systemVersion)
self.fire(NICK(nick))
self.fire(USER(nick, hostname, host, name))
def numeric(self, source, numeric, *args):
"""Numeric Event
This event is triggered by the ``IRC`` Protocol Component when we have
received an IRC Numberic Event from server we are connected to.
"""
if numeric == ERR_NICKNAMEINUSE:
self.fire(NICK("{0:s}_".format(args[0])))
elif numeric in (RPL_ENDOFMOTD, ERR_NOMOTD):
self.fire(JOIN(self.ircchannel))
@handler("stopped", channel="*")
def _on_stopped(self, component):
self.screen.stop()
@handler("generate_events")
def _on_generate_events(self, event):
event.reduce_time_left(0)
size = self.screen.get_cols_rows()
if not select(
self.screen.get_input_descriptors(), [], [], 0.1)[0] == []:
timeout, keys, raw = self.screen.get_input_nonblocking()
for k in keys:
if k == "window resize":
size = self.screen.get_cols_rows()
continue
elif k == "enter":
self.processCommand(self.input.get_edit_text())
self.input.set_edit_text("")
continue
self.top.keypress(size, k)
self.input.set_edit_text(self.input.get_edit_text() + k)
self.update_screen(size)
def unknownCommand(self, command):
self.lines.append(Text("Unknown command: %s" % command))
def syntaxError(self, command, args, expected):
self.lines.append(
Text("Syntax error ({0:s}): {1:s} Expected: {2:s}".format(
command, args, expected)
)
)
def processCommand(self, s): # noqa
match = CMD_REGEX.match(s)
if match is not None:
command = match.groupdict()["command"]
if not match.groupdict()["args"] == "":
tokens = match.groupdict()["args"].split(" ")
else:
tokens = []
fn = "cmd" + command.upper()
if hasattr(self, fn):
f = getattr(self, fn)
if callable(f):
args, vargs, kwargs, default = getargspec(f)
args.remove("self")
if len(args) == len(tokens):
if len(args) == 0:
f()
else:
f(*tokens)
else:
if len(tokens) > len(args):
if vargs is None:
if len(args) > 0:
factor = len(tokens) - len(args) + 1
f(*back_merge(tokens, factor))
else:
self.syntaxError(
command, " ".join(tokens),
" ".join(
x for x in args + [vargs]
if x is not None
)
)
else:
f(*tokens)
elif default is not None and \
len(args) == (
len(tokens) + len(default)):
f(*(tokens + list(default)))
else:
self.syntaxError(
command,
" ".join(tokens),
" ".join(
x for x in args + [vargs]
if x is not None
)
)
else:
if self.ircchannel is not None:
self.lines.append(Text("<%s> %s" % (self.nick, s)))
self.fire(PRIVMSG(self.ircchannel, s))
else:
self.lines.append(Text(
"No channel joined. Try /join #<channel>"))
def cmdEXIT(self, message=""):
self.fire(QUIT(message))
raise SystemExit(0)
def cmdSERVER(self, host, port=6667):
self.fire(connect(host, port))
def cmdSSLSERVER(self, host, port=6697):
self.fire(connect(host, port, secure=True))
def cmdJOIN(self, channel):
if self.ircchannel is not None:
self.cmdPART(self.ircchannel, "Joining %s" % channel)
self.fire(JOIN(channel))
self.ircchannel = channel
def cmdPART(self, channel=None, message="Leaving"):
if channel is None:
channel = self.ircchannel
if channel is not None:
self.fire(PART(channel, message))
self.ircchannel = None
def cmdQUOTE(self, message):
self.fire(request(Message(message)))
def cmdQUIT(self, message="Bye"):
self.fire(QUIT(message))
def update_screen(self, size):
canvas = self.top.render(size, focus=True)
self.screen.draw_screen(size, canvas)
@handler("notice", "privmsg")
def _on_notice_or_privmsg(self, event, source, target, message):
nick, ident, host = source
if event.name == "notice":
self.lines.append(Text("-%s- %s" % (nick, message)))
else:
self.lines.append(Text("<%s> %s" % (nick, message)))
