wifipumpkin3/tests/urwid/new2.py
2018-09-22 14:15:41 -03:00

101 lines
3.0 KiB
Python

import logging, queue, sys, threading, time
import urwid
logging.basicConfig(
level=logging.DEBUG,
format="%(asctime)-4s %(threadName)s %(message)s",
datefmt="%H:%M:%S",
filename='trace.log',
)
class Interface:
palette = [
('body', 'white', ''),
('ext', 'white', 'dark blue'),
('ext_hi', 'light cyan', 'dark blue', 'bold'),
]
header_text = [
('ext_hi', 'ESC'), ':quit ',
('ext_hi', 'UP'), ',', ('ext_hi', 'DOWN'), ':scroll',
]
def __init__(self, msg_queue):
self.header = urwid.AttrWrap(urwid.Text(self.header_text), 'ext')
self.flowWalker = urwid.SimpleListWalker([])
self.body = urwid.ListBox(self.flowWalker)
self.flowWalker2 = urwid.SimpleListWalker([])
self.body2 = urwid.ListBox(self.flowWalker2)
self.footer = urwid.AttrWrap(urwid.Edit("Edit: "), 'ext')
self.view = urwid.Frame(
urwid.AttrWrap(self.body, 'body'),
header = self.header,
footer = self.footer)
blank = urwid.Divider()
self.main_box = urwid.LineBox(self.body)
self.main_box2 = urwid.LineBox(self.body2)
self.columns = urwid.Columns([self.main_box], dividechars=1)
self.columns2 = urwid.Columns([self.main_box2], dividechars=1)
self.main_layout = urwid.Pile([
self.columns,
self.columns2,
])
self.view = urwid.Frame(
urwid.AttrWrap(self.main_layout, 'body'),
header = self.header,
footer = self.footer)
self.loop = urwid.MainLoop(self.view, self.palette,
unhandled_input = self.unhandled_input)
self.msg_queue = msg_queue
self.check_messages(self.loop, None)
def unhandled_input(self, k):
if k == 'esc':
raise urwid.ExitMainLoop()
def check_messages(self, loop, *_args):
"""add message to bottom of screen"""
loop.set_alarm_in(
sec=0.5,
callback=self.check_messages,
)
try:
msg = self.msg_queue.get_nowait()
except :
return
self.flowWalker.append(
urwid.Text(('body', msg))
)
self.body.set_focus(
len(self.flowWalker)-1, 'above'
)
def update_time(stop_event, msg_queue):
"""send timestamp to queue every second"""
logging.info('start')
while not stop_event.wait(timeout=1.0):
msg_queue.put( time.strftime('time %X') )
logging.info('stop')
if __name__ == '__main__':
stop_ev = threading.Event()
message_q = queue.Queue()
threading.Thread(
target=update_time, args=[stop_ev, message_q],
name='update_time',
).start()
logging.info('start')
Interface(message_q).loop.run()
logging.info('stop')
# after interface exits, signal threads to exit, wait for them
logging.info('stopping threads')
stop_ev.set()
for th in threading.enumerate():
if th != threading.current_thread():
th.join()