def create_asyncio_event_loop(loop=None):
"""
Returns an asyncio :class:`~prompt_toolkit.eventloop.EventLoop` instance
for usage in a :class:`~prompt_toolkit.application.Application`. It is a
wrapper around an asyncio loop.
:param loop: The asyncio eventloop (or `None` if the default asyncioloop
should be used.)
"""
AsyncioEventLoop = _get_asyncio_loop_cls()
return AsyncioEventLoop(loop)
def create_asyncio_eventloop(loop=None):
"""
Returns an asyncio `Eventloop` instance for usage in a
`CommandLineInterface`. It is a wrapper around an asyncio loop.
:param loop: The asyncio eventloop (or `None` if the default asyncioloop
should be used.)
"""
# Inline import, to make sure the rest doesn't break on Python 2. (Where
# asyncio is not available.)
if is_windows():
from prompt_toolkit.eventloop.asyncio_win32 import Win32AsyncioEventLoop as AsyncioEventLoop
else:
from prompt_toolkit.eventloop.asyncio_posix import PosixAsyncioEventLoop as AsyncioEventLoop
return AsyncioEventLoop(loop)
def read_input_async(self,
on_abort=AbortAction.RETRY, on_exit=AbortAction.IGNORE):
"""
Same as `read_input`, but this returns an asyncio coroutine.
Warning: this will only work on Python >3.3
"""
# Inline import, to make sure the rest doesn't break on Python 2
if sys.platform == 'win32':
from prompt_toolkit.eventloop.asyncio_win32 import Win32AsyncioEventLoop as AsyncioEventLoop
else:
from prompt_toolkit.eventloop.asyncio_posix import PosixAsyncioEventLoop as AsyncioEventLoop
eventloop = AsyncioEventLoop(self.input_processor, self.stdin)
return self._read_input(on_abort=on_abort,
on_exit=on_exit,
eventloop=eventloop,
return_corountine=True)