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Add Restart In Place API Support #1314

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Add Restart In Place API Support #1314

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d68dbe8
Added restart_in_place flag
Aug 14, 2023
5424408
Revert formatting changes
Aug 14, 2023
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6 changes: 3 additions & 3 deletions jupyter_server/services/kernels/handlers.py
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Expand Up @@ -94,9 +94,9 @@ async def post(self, kernel_id, action):
if action == "interrupt":
await ensure_async(km.interrupt_kernel(kernel_id))
self.set_status(204)
if action == "restart":
if action == "restart" or action == "restart-in-place":
try:
await km.restart_kernel(kernel_id)
await km.restart_kernel(kernel_id, restart_in_place=action == "restart-in-place")
except Exception as e:
message = "Exception restarting kernel"
self.log.error(message, exc_info=True)
Expand All @@ -113,7 +113,7 @@ async def post(self, kernel_id, action):
# URL to handler mappings
# -----------------------------------------------------------------------------
_kernel_id_regex = r"(?P<kernel_id>\w+-\w+-\w+-\w+-\w+)"
_kernel_action_regex = r"(?P<action>restart|interrupt)"
_kernel_action_regex = r"(?P<action>restart|interrupt|restart-in-place)"

default_handlers = [
(r"/api/kernels", MainKernelHandler),
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6 changes: 4 additions & 2 deletions jupyter_server/services/kernels/kernelmanager.py
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Expand Up @@ -434,10 +434,12 @@ async def _async_shutdown_kernel(self, kernel_id, now=False, restart=False):

shutdown_kernel = _async_shutdown_kernel

async def _async_restart_kernel(self, kernel_id, now=False):
async def _async_restart_kernel(self, kernel_id, now=False, restart_in_place=False):
"""Restart a kernel by kernel_id"""
self._check_kernel_id(kernel_id)
await self.pinned_superclass._async_restart_kernel(self, kernel_id, now=now)
await self.pinned_superclass._async_restart_kernel(
self, kernel_id, now=now, restart_in_place=restart_in_place
)
kernel = self.get_kernel(kernel_id)
# return a Future that will resolve when the kernel has successfully restarted
channel = kernel.connect_shell()
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