class PyExecutor(pyexecutor_pb2_grpc.PyExecutorServicer):
def __init__(self):
self.manager = MultiKernelManager()
kernel_id = self.manager.start_kernel()
self.kernel = self.manager.get_kernel(kernel_id)
self.client = BlockingKernelClient()
self.client.load_connection_file(self.kernel.connection_file)
def Execute(self, request, context):
response = self.client.execute_interactive(
code=request.command,
user_expressions={'test': request.expression})
expression = response['content']['user_expressions']['test']['data']
result = expression[
'text/html'] if 'text/html' in expression else expression[
'text/plain']
return pyexecutor_pb2.ExecuteResponse(result=result)
def kernel(kernel_name):
"""Start a kernel and provide a client to the kernel.
Clean up afterward."""
# Connect to the kernel
multimanager = MultiKernelManager()
uid = multimanager.start_kernel(kernel_name)
manager = multimanager.get_kernel(uid)
client = manager.client()
# Prepare the client; don't do anything until it's ready!
client.start_channels()
client.wait_for_ready()
try:
yield client
finally:
# Remove the connection file
os.remove(client.connection_file)
# Make sure all kernels turn off.
multimanager.shutdown_all()
def do_ipython(self,code):
global km
global km
global remote_id
global remote
global kernelmanager
# python=True
if km==None:
kernelmanager = MultiKernelManager()
remote_id = kernelmanager.start_kernel('python2')
remote_kernel = kernelmanager.get_kernel(remote_id)
remote = remote_kernel.client()
km=remote.blocking_client()
km.start_channels()
if km.shell_channel.msg_ready():
km.shell_channel.get_msg()
km.iopub_channel.get_msg()
#if km.shell_channel.msg_ready():
# km.shell_channel.get_msg()
#if km.iopub_channel.msg_ready():
# km.iopub_channel.get_msg()
km.execute(code)
display_data=[]
msgS=km.shell_channel.get_msg(block=True,timeout=-1)
msg=km.iopub_channel.get_msg(block=True,timeout=-1)
msgs=km.iopub_channel.get_msgs()
for m in msgs:
if m['msg_type']=='error':
output=m['content']['text'] #.__repr__()#+msg+id
display_data.append({'text/plain':output})
break
if m['msg_type']=='stream':
output=m['content']['text'] #.__repr__()#+msg+id
display_data.append({'text/plain':output})
if m['msg_type']=='display_data':
display_data.append(m['content']['data'])
return display_data
def do_ipython(self, code):
global km
global km
global remote_id
global remote
global kernelmanager
# python=True
if km == None:
kernelmanager = MultiKernelManager()
remote_id = kernelmanager.start_kernel('python2')
remote_kernel = kernelmanager.get_kernel(remote_id)
remote = remote_kernel.client()
km = remote.blocking_client()
km.start_channels()
if km.shell_channel.msg_ready():
km.shell_channel.get_msg()
km.iopub_channel.get_msg()
#if km.shell_channel.msg_ready():
# km.shell_channel.get_msg()
#if km.iopub_channel.msg_ready():
# km.iopub_channel.get_msg()
km.execute(code)
display_data = []
msgS = km.shell_channel.get_msg(block=True, timeout=-1)
msg = km.iopub_channel.get_msg(block=True, timeout=-1)
msgs = km.iopub_channel.get_msgs()
for m in msgs:
if m['msg_type'] == 'error':
output = m['content']['text'] #.__repr__()#+msg+id
display_data.append({'text/plain': output})
break
if m['msg_type'] == 'stream':
output = m['content']['text'] #.__repr__()#+msg+id
display_data.append({'text/plain': output})
if m['msg_type'] == 'display_data':
display_data.append(m['content']['data'])
return display_data
from jupyter_client import MultiKernelManager mkm = MultiKernelManager() mkm.start_kernel(kernel_id=88472) import notebook.notebookapp as nbapp app = nbapp.NotebookApp(kernel_manager=mkm, kernel_id=88472) app.launch_instance( ) # this launches a notebook, but the kernel manager is not actually passed down in the constructor app.kernel_manager = mkm app.launch_instance() # no effect. need to