mirror of
https://github.com/liberatedsystems/openCom-Companion.git
synced 2024-11-30 01:00:37 +01:00
68 lines
1.5 KiB
Python
Executable File
68 lines
1.5 KiB
Python
Executable File
"""
|
|
asynckivy
|
|
=========
|
|
|
|
Copyright (c) 2019 Nattōsai Mitō
|
|
|
|
GitHub -
|
|
https://github.com/gottadiveintopython
|
|
GitHub Gist -
|
|
https://gist.github.com/gottadiveintopython/5f4a775849f9277081c396de65dc57c1
|
|
|
|
"""
|
|
|
|
__all__ = ("start", "sleep", "event")
|
|
|
|
import types
|
|
from collections import namedtuple
|
|
from functools import partial
|
|
|
|
from kivy.clock import Clock
|
|
|
|
CallbackParameter = namedtuple("CallbackParameter", ("args", "kwargs"))
|
|
|
|
|
|
def start(coro):
|
|
def step(*args, **kwargs):
|
|
try:
|
|
coro.send(CallbackParameter(args, kwargs))(step)
|
|
except StopIteration:
|
|
pass
|
|
|
|
try:
|
|
coro.send(None)(step)
|
|
except StopIteration:
|
|
pass
|
|
|
|
|
|
@types.coroutine
|
|
def sleep(duration):
|
|
# The partial() here looks meaningless. But this is needed in order
|
|
# to avoid weak reference.
|
|
param = yield lambda step_coro: Clock.schedule_once(
|
|
partial(step_coro), duration
|
|
)
|
|
return param.args[0]
|
|
|
|
|
|
class event:
|
|
def __init__(self, ed, name):
|
|
self.bind_id = None
|
|
self.ed = ed
|
|
self.name = name
|
|
|
|
def bind(self, step_coro):
|
|
self.bind_id = bind_id = self.ed.fbind(self.name, self.callback)
|
|
assert bind_id > 0 # check if binding succeeded
|
|
self.step_coro = step_coro
|
|
|
|
def callback(self, *args, **kwargs):
|
|
self.parameter = CallbackParameter(args, kwargs)
|
|
ed = self.ed
|
|
ed.unbind_uid(self.name, self.bind_id)
|
|
self.step_coro()
|
|
|
|
def __await__(self):
|
|
yield self.bind
|
|
return self.parameter
|