Initial commit
Initial UI, popup popping
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commit
1a0e7850e7
232
caster.py
Executable file
232
caster.py
Executable file
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#!/usr/bin/env python3
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import sys
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import string
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import re
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import urwid
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import pychromecast
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import asyncio
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import nest_asyncio
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import weakref
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from pprint import pprint
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from dataclasses import dataclass
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def eprint(*args, **kwargs):
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sys.stderr.flush()
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print(*args, file=sys.stderr, **kwargs)
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sys.stderr.flush()
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# ----------
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class CommandPopUpLauncher(urwid.PopUpLauncher):
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def __init__(self, wgt):
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self.__super.__init__(wgt)
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self.app = None
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urwid.connect_signal(wgt, 'sel_dev_pu',
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lambda button: self.popup())
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def popup(self):
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eprint(u"Got signal: sel_dev_pu")
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self.open_pop_up()
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def create_pop_up(self):
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eprint(u"Opening pop up for: sel_dev_pu")
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self.app.get_cast_devs()
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body = [urwid.Text('Cast Device'), urwid.Divider()]
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for d in self.app.get_cast_devs():
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button = urwid.Button(d.device.friendly_name)
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body.append(urwid.AttrMap(button, None, focus_map='selble'))
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popup = CastDeviceChoiceBox(urwid.BoxAdapter(urwid.ListBox(urwid.SimpleFocusListWalker(body)), 10))
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# popup = urwid.ListBox(urwid.SimpleFocusListWalker(body))
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urwid.connect_signal(popup, 'sel_dev',
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lambda button: self.select_and_close())
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return popup
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def select_and_close(self):
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eprint(u"Got signal: sel_dev")
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self.close_pop_up()
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def get_pop_up_parameters(self):
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return {'left':2, 'top':2, 'overlay_width':50, 'overlay_height':10}
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# -----------
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class CastDeviceChoiceBox(urwid.WidgetWrap):
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signals = ['sel_dev']
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def __init__(self, box):
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# super(CastDeviceChoiceBox, self).__init__(urwid.SolidFill(u" "))
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self.__super.__init__(urwid.AttrWrap(urwid.Filler(box), 'popbg'))
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eprint(u"Opened popup")
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# self.open_box(box)
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# def open_box(self, box):
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# self.original_widget = urwid.Overlay(urwid.LineBox(box),
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# self.original_widget,
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# align='center', width=('relative', 30),
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# valign='middle', height=('relative', 30),
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# min_width=30, min_height=5)
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def keypress(self, size, key):
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if key == 'enter':
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self._emit("sel_dev")
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eprint(u"Emit signal: sel_dev")
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return super(CastDeviceChoiceBox, self).keypress(size, key)
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# -----------
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class CommandBox(urwid.Edit):
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signals = ['sel_dev_pu']
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def __init__(self):
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super().__init__()
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self.app = None
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def keypress(self, size, key):
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eprint(key)
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if key == 'enter':
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self.app.execute_command()
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if key == 'tab':
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eprint(["Hit tab> ", self.app.cmd_state])
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if self.app.cmd_state == 'cast_on':
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self._emit("sel_dev_pu")
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else:
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return super(CommandBox, self).keypress(size, key)
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# -----------
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class CasterApp(object):
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def __init__(self):
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self.colors = [
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('head', 'black', 'white', '', '#F47', '#000'),
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('body', 'black', 'white', '', '#233', '#000'),
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('foot', 'black', 'white', '', '#233', '#000'),
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('bg', 'black', 'white', '', '#eee', '#000'),
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('normal', 'black', 'white', '', '#eee', '#000'),
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('assist', 'black', 'dark gray', '', '#777', '#000'),
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('selble', 'light gray', 'black', '', '#000', '#eee'),
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('popbg', 'white', 'dark gray', '', '#000', '#777'),
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]
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self.cc_fut = asyncio.Future()
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nest_asyncio.apply()
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self.cmd_state = ''
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self.have_devs = False
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def task_load_cast_devices(self):
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eprint("Getting chromecasts")
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(self.cast_devs,zc) = pychromecast.get_chromecasts()
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self.have_devs = True
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eprint("Got chromecasts")
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async def load_cast_devices(self):
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th = asyncio.to_thread(self.task_load_cast_devices)
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await th
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async def initial_tasks(self):
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eprint("Starting Init tasks")
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self.body_sts.set_text(u"Getting chromecast devices...")
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await self.load_cast_devices()
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self.body_sts.set_text(u"Got chromecast devies")
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self.body_out.set_text(u"Type a command for assistance.\nSupported commands: cast, list, status, q")
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eprint("Done Init tasks")
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def handle_global_input(self,key):
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if key in ('q', 'Q'):
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raise urwid.ExitMainLoop()
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def execute_command(self):
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self.body_sts.set_text(u"Executing: " + self.body_entry.edit_text)
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if re.search("^\s*q\s*$", self.body_entry.edit_text,flags=re.IGNORECASE):
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raise urwid.ExitMainLoop()
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def get_cast_devs(self):
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return self.cast_devs
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def show_dev_choice(self):
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body = [urwid.Text('Cast Device'), urwid.Divider()]
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for d in self.cast_devs:
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button = urwid.Button(d.device.friendly_name)
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body.append(urwid.AttrMap(button, None, focus_map='selble'))
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popup = CastDeviceChoiceBox(urwid.ListBox(urwid.SimpleFocusListWalker(body)))
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urwid.connect_signal(popup, 'sel_dev',
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lambda button: self.close_pop_up())
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self.body_sts.set_text(u"Choose cast device to cast on")
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return popup
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def handle_body_entry(self,edit,edit_txt):
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if (re.search("^\s*cast\s+on\s*$", edit_txt,flags=re.IGNORECASE)):
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if self.have_devs:
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devs = ""
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self.cmd_state = 'cast_on'
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for d in self.cast_devs:
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devs += " - " + d.device.friendly_name + "\n"
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self.body_out.set_text([u"[Cast command] ", ('foot', u"cast on "), ('bold', "<device>"), u"\n" + devs])
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else:
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self.body_out.set_text(u"Waiting for cast device information...")
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elif (re.search("^\s*cast\s*(o)?$", edit_txt,flags=re.IGNORECASE)):
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self.cmd_state = 'cast'
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self.body_out.set_text([u"[Cast command] ", ('foot', u"cast"), ('bold', " on <device>")])
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elif (re.search("^\s*q\s*$", edit_txt,flags=re.IGNORECASE)):
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self.body_out.set_text(u"[Quit command] Hit <enter> to quit")
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self.cmd_state = 'quit'
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else:
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self.cmd_state = 'none'
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self.body_out.set_text("Type a command for assistance.\nSupported commands: cast, list, status, q")
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def setup_ui(self):
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self.base_layer = urwid.SolidFill()
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self.head_txt = urwid.Text(('head', u"Media Cast v0.1"), align='left')
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self.foot_txt = urwid.Text(('foot', u"2020 © HeshApps"), align='right')
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self.body_entry = CommandBox()
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self.body_entry.app = self
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self.cbox = CommandPopUpLauncher(self.body_entry)
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self.cbox.app = self
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body_entry_box = urwid.AttrMap(urwid.LineBox(
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urwid.AttrMap(self.cbox, 'normal'), 'Command'), 'body')
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# urwid.AttrMap(self.body_entry, 'normal'), 'Command'), 'body')
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self.body_out = urwid.Text(('body', ""), align='left')
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body_out_box = urwid.AttrMap(urwid.LineBox(
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urwid.Filler(urwid.AttrMap(self.body_out, 'assist'), valign='top'),
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'Assist'), 'body')
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self.body_sts = urwid.Text(('assist', "Initializing..."), align='left')
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body_sts_box = urwid.AttrMap(urwid.LineBox(
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urwid.AttrMap(self.body_sts, 'assist'), 'Status'), 'body')
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self.body_cont = urwid.Frame(body_out_box, header=body_entry_box,
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footer=body_sts_box, focus_part = 'header')
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urwid.connect_signal(self.body_entry, 'change', self.handle_body_entry)
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evl = urwid.AsyncioEventLoop(loop=asyncio.get_event_loop())
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self.loop = urwid.MainLoop(self.base_layer, self.colors,
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unhandled_input=self.handle_global_input, event_loop=evl, pop_ups=True)
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self.loop.screen.set_terminal_properties(colors=256)
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self.loop.widget = urwid.AttrMap(self.base_layer, 'bg')
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self.loop.widget.original_widget = urwid.Frame(self.body_cont, header=self.head_txt,
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footer=self.foot_txt, focus_part = 'body')
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async def start_ui(self):
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eprint("Starting UI tasks")
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self.loop.run()
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async def start(self):
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self.setup_ui()
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eprint("Starting tasks")
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await asyncio.gather(
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self.initial_tasks(),
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self.start_ui()
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)
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eprint("All tasks done")
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# -----------
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def main():
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app = CasterApp()
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asyncio.run(app.start())
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# -----------
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if __name__ == "__main__":
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main()
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