def startLoop():
"""
Use nested asyncio event loop for Jupyter notebooks.
This is not needed anymore in Jupyter versions 5 or higher.
"""
def _ipython_loop_asyncio(kernel):
"""Use asyncio event loop for the given IPython kernel."""
loop = asyncio.get_event_loop()
def kernel_handler():
kernel.do_one_iteration()
loop.call_later(kernel._poll_interval, kernel_handler)
loop.call_soon(kernel_handler)
try:
if not loop.is_running():
loop.run_forever()
finally:
if not loop.is_running():
loop.run_until_complete(loop.shutdown_asyncgens())
loop.close()
patchAsyncio()
loop = asyncio.get_event_loop()
if not loop.is_running():
from ipykernel.eventloops import register_integration, enable_gui
register_integration('asyncio')(_ipython_loop_asyncio)
enable_gui('asyncio')
def startLoop():
"""
Use asyncio event loop for Jupyter notebooks.
"""
patchAsyncio()
from ipykernel.eventloops import register_integration, enable_gui
register_integration('asyncio')(_ipython_loop_asyncio)
enable_gui('asyncio')
def startLoop():
"""
Use asyncio event loop for Jupyter notebooks.
"""
patchAsyncio()
loop = asyncio.get_event_loop()
if not loop.is_running():
from ipykernel.eventloops import register_integration, enable_gui
register_integration('asyncio')(_ipython_loop_asyncio)
enable_gui('asyncio')
def enable_jupyter():
''' Set up Jupyter event loop integration. '''
from ipykernel.eventloops import register_integration
def loop_asyncio(kernel):
loop = asyncio.get_event_loop()
def kernel_handler():
loop.call_soon(kernel.do_one_iteration)
loop.call_later(kernel._poll_interval, kernel_handler)
loop.call_soon(kernel_handler)
try:
if not loop.is_running():
loop.run_forever()
finally:
loop.run_until_complete(loop.shutdown_asyncgens())
loop.close()
register_integration(loop_asyncio, 'asyncio')
