def demo1():
"""Plain old urwid app. Just happens to be run atop asyncio as the event
loop.
Note that the clock is updated using the asyncio loop directly, not via any
of urwid's facilities.
"""
main_widget = build_widgets()
urwid_loop = urwid.MainLoop(
main_widget,
event_loop=urwid.AsyncioEventLoop(loop=loop),
unhandled_input=unhandled,
)
urwid_loop.run()
# -----------------------------------------------------------------------------
# Demo 2
python类AsyncioEventLoop()的实例源码
def connection_made(self, transport):
print("Got a client!")
self.transport = transport
# StreamReader is super convenient here; it has a regular method on our
# end (feed_data), and a coroutine on the other end that will
# faux-block until there's data to be read. We could also just call a
# method directly on the screen, but this keeps the screen somewhat
# separate from the protocol.
self.reader = asyncio.StreamReader(loop=loop)
screen = AsyncScreen(self.reader, transport)
main_widget = build_widgets()
self.urwid_loop = urwid.MainLoop(
main_widget,
event_loop=urwid.AsyncioEventLoop(loop=loop),
screen=screen,
unhandled_input=unhandled,
)
self.urwid_loop.start()
def __init__(self, pubpen, cli_args):
super().__init__(pubpen, cli_args)
# Note: We don't have any extra command line args
# Windows
self.title_card = TitleScreen(pubpen)
self.login_screen = LoginScreen(pubpen)
self.main_window = MainScreen(pubpen)
self.root_win = urwid.Frame(urwid.SolidFill(' '))
# Arrange the widgets
self.show_title_card()
# Connect to UI events
urwid.connect_signal(self.title_card, 'close_title_card', self.show_login_screen)
urwid.connect_signal(self.login_screen, 'logged_in', self.show_main_window)
# Setup the main loop
self.urwid_loop = urwid.MainLoop(self.root_win,
event_loop=urwid.AsyncioEventLoop(loop=self.pubpen.loop),
palette=(('reversed', 'standout', ''),),)
def setUp(self):
self.evl = urwid.AsyncioEventLoop()
def __init__(self, discord_client):
self.discord = discord_client
self.tabs = {}
self.w_tabs = TabSelector(self)
self.frame = urwid.Frame(
urwid.Filler(
urwid.Text(
"????????????????????????????????????\n"
"????????????????????????????????????\n"
"????????????????????????????????????\n"
" v0.2.4\n"
" \n"
" \n"
" < Logging in... Hang tight! > \n"
" --------------------------- \n"
" \ ^__^ \n"
" \ (oo)\_______ \n"
" (__)\ )\/\ \n"
" ||----w | \n"
" || || \n"
" \n"
" \n"
" \n",
align=urwid.CENTER)),
header=self.w_tabs)
HasModal.__init__(self, self.frame)
self.urwid_loop = urwid.MainLoop(
self.w_placeholder,
palette=MainUI.palette,
unhandled_input=lambda key: self._keypress(None, key),
event_loop=urwid.AsyncioEventLoop(loop=self.discord.loop),
pop_ups=True)
def refresh(_loop, _data):
_loop.draw_screen()
_loop.set_alarm_in(2, refresh)
self.urwid_loop.set_alarm_in(0.2, refresh)
self.urwid_loop.start()
