def knit_chunk(chunk_lines, param_eggs):
output = []
for line in chunk_lines:
code = line
with run_kernel() as kc:
msg_id = kc.execute(code)
reply = kc.get_shell_msg(msg_id)
print(reply['content'])
print()
n = 0
while True:
n += 1
try:
io_msg = kc.get_iopub_msg(timeout=1)
if 'content' not in io_msg:
continue
content = io_msg['content']
print("{:d}:\t{}".format(n, content))
if 'text' in content:
output.append(content['text'])
if 'data' in content:
data = content['data']
if 'execution_state' in content:
state = content['execution_state']
except queue.Empty:
print('timeout kc.get_iopub_msg')
break
return output
def new_kernel(argv=None):
"""Context manager for a new kernel in a subprocess
Should only be used for tests where the kernel must not be re-used.
Returns
-------
kernel_client: connected KernelClient instance
"""
stdout = getattr(nose, 'iptest_stdstreams_fileno', open(os.devnull))
kwargs = dict(stdout=stdout, stderr=STDOUT)
if argv is not None:
kwargs['extra_arguments'] = argv
return manager.run_kernel(**kwargs)
def new_kernel(argv=None):
"""Context manager for a new kernel in a subprocess
Should only be used for tests where the kernel must not be re-used.
Returns
-------
kernel_client: connected KernelClient instance
"""
kwargs = dict(stdout=nose.iptest_stdstreams_fileno(),
stderr=STDOUT,
startup_timeout=STARTUP_TIMEOUT)
if argv is not None:
kwargs['extra_arguments'] = argv
return manager.run_kernel(**kwargs)
def new_kernel(argv=None):
"""Context manager for a new kernel in a subprocess
Should only be used for tests where the kernel must not be re-used.
Returns
-------
kernel_client: connected KernelClient instance
"""
kwargs = dict(
stdout=nose.iptest_stdstreams_fileno(), stderr=STDOUT,
startup_timeout=STARTUP_TIMEOUT)
if argv is not None:
kwargs['extra_arguments'] = argv
return manager.run_kernel(**kwargs)
def run_code(self, code):
print("executing code: " + code)
with run_kernel() as kc:
msg_id = kc.execute("print(1+2)")
reply = kc.get_shell_msg(msg_id)
print(reply['content'])
print()
while True:
try:
io_msg = kc.get_iopub_msg(timeout=1)
print(io_msg['content'])
except queue.Empty:
print('timeout kc.get_iopub_msg')
break
def new_kernel(argv=None):
"""Context manager for a new kernel in a subprocess
Should only be used for tests where the kernel must not be re-used.
Returns
-------
kernel_client: connected KernelClient instance
"""
kwargs = {'stderr': STDOUT}
try:
kwargs['stdout'] = nose.iptest_stdstreams_fileno()
except AttributeError:
pass
if argv is not None:
kwargs['extra_arguments'] = argv
return manager.run_kernel(**kwargs)
import logging
from jupyter_client.manager import run_kernel
logging.basicConfig(level=logging.DEBUG)
codes = [
"x = 1 + 1",
"print('hello', x)",
]
with run_kernel(kernel_name="python") as c:
for code in codes:
# https://jupyter-client.readthedocs.io/en/stable/messaging.html?highlight=idle#kernel-status
# state = busy, idle, starting
state = "busy"
msg_id = c.execute(code)
while state != "idle" and c.is_alive():
msg = c.get_iopub_msg(timeout=1)
content = msg.get('content')
if content is None:
continue
if 'execution_state' in content:
state = content['execution_state']
print(f"{state}> content: {content}")
import logging
from jupyter_client.manager import run_kernel
logging.basicConfig(level=logging.DEBUG)
codes = [
"x = 1 + 1",
"print('hello', x)",
]
with run_kernel(kernel_name="python") as c:
for code in codes:
# https://jupyter-client.readthedocs.io/en/stable/messaging.html?highlight=idle#kernel-status
# state = busy, idle, starting
state = "busy"
msg_id = c.execute(code)
while state != "idle" and c.is_alive():
msg = c.get_iopub_msg(timeout=1)
content = msg.get('content')
if content is None:
continue
if 'execution_state' in content:
state = content['execution_state']
print(f"{state}> content: {content}")
"""
DEBUG:traitlets:Starting kernel: ['VENV/bin/python', '-m', 'ipykernel_launcher', '-f', '/tmp/tmp0btfwzuf.json']
DEBUG:traitlets:Connecting to: tcp://127.0.0.1:40589
DEBUG:traitlets:connecting shell channel to tcp://127.0.0.1:47581