diff --git a/IPython/html/services/kernels/handlers.py b/IPython/html/services/kernels/handlers.py
index 8f959f9..3f11771 100644
--- a/IPython/html/services/kernels/handlers.py
+++ b/IPython/html/services/kernels/handlers.py
@@ -36,22 +36,27 @@ class MainKernelHandler(IPythonHandler):
@web.authenticated
def get(self):
km = self.kernel_manager
- self.finish(jsonapi.dumps(km.list_kernel_ids()))
+ self.finish(jsonapi.dumps(km.list_kernels()))
@web.authenticated
def post(self):
km = self.kernel_manager
nbm = self.notebook_manager
- notebook_id = self.get_argument('notebook', default=None)
- kernel_id = km.start_kernel(notebook_id, cwd=nbm.notebook_dir)
- data = {'ws_url':self.ws_url,'kernel_id':kernel_id}
+ kernel_id = km.start_kernel(cwd=nbm.notebook_dir)
+ model = km.kernel_model(kernel_id, self.ws_url)
self.set_header('Location', '{0}kernels/{1}'.format(self.base_kernel_url, kernel_id))
- self.finish(jsonapi.dumps(data))
+ self.finish(jsonapi.dumps(model))
class KernelHandler(IPythonHandler):
- SUPPORTED_METHODS = ('DELETE')
+ SUPPORTED_METHODS = ('DELETE', 'GET')
+
+ @web.authenticated
+ def get(self, kernel_id):
+ km = self.kernel_manager
+ model = km.kernel_model(kernel_id,self.ws_url)
+ self.finish(jsonapi.dumps(model))
@web.authenticated
def delete(self, kernel_id):
@@ -71,9 +76,9 @@ class KernelActionHandler(IPythonHandler):
self.set_status(204)
if action == 'restart':
km.restart_kernel(kernel_id)
- data = {'ws_url':self.ws_url, 'kernel_id':kernel_id}
+ model = km.kernel_model(kernel_id,self.ws_url)
self.set_header('Location', '{0}kernels/{1}'.format(self.base_kernel_url, kernel_id))
- self.write(jsonapi.dumps(data))
+ self.write(jsonapi.dumps(model))
self.finish()
@@ -173,10 +178,10 @@ _kernel_id_regex = r"(?P\w+-\w+-\w+-\w+-\w+)"
_kernel_action_regex = r"(?Prestart|interrupt)"
default_handlers = [
- (r"/kernels", MainKernelHandler),
- (r"/kernels/%s" % _kernel_id_regex, KernelHandler),
- (r"/kernels/%s/%s" % (_kernel_id_regex, _kernel_action_regex), KernelActionHandler),
- (r"/kernels/%s/iopub" % _kernel_id_regex, IOPubHandler),
- (r"/kernels/%s/shell" % _kernel_id_regex, ShellHandler),
- (r"/kernels/%s/stdin" % _kernel_id_regex, StdinHandler)
+ (r"/api/kernels", MainKernelHandler),
+ (r"/api/kernels/%s" % _kernel_id_regex, KernelHandler),
+ (r"/api/kernels/%s/%s" % (_kernel_id_regex, _kernel_action_regex), KernelActionHandler),
+ (r"/api/kernels/%s/iopub" % _kernel_id_regex, IOPubHandler),
+ (r"/api/kernels/%s/shell" % _kernel_id_regex, ShellHandler),
+ (r"/api/kernels/%s/stdin" % _kernel_id_regex, StdinHandler)
]
diff --git a/IPython/html/services/kernels/kernelmanager.py b/IPython/html/services/kernels/kernelmanager.py
index 93ba04d..a797a98 100644
--- a/IPython/html/services/kernels/kernelmanager.py
+++ b/IPython/html/services/kernels/kernelmanager.py
@@ -35,56 +35,31 @@ class MappingKernelManager(MultiKernelManager):
return "IPython.kernel.ioloop.IOLoopKernelManager"
kernel_argv = List(Unicode)
-
- _notebook_mapping = Dict()
+ kernels = []
#-------------------------------------------------------------------------
# Methods for managing kernels and sessions
#-------------------------------------------------------------------------
- def kernel_for_notebook(self, notebook_id):
- """Return the kernel_id for a notebook_id or None."""
- return self._notebook_mapping.get(notebook_id)
-
- def set_kernel_for_notebook(self, notebook_id, kernel_id):
- """Associate a notebook with a kernel."""
- if notebook_id is not None:
- self._notebook_mapping[notebook_id] = kernel_id
-
- def notebook_for_kernel(self, kernel_id):
- """Return the notebook_id for a kernel_id or None."""
- for notebook_id, kid in self._notebook_mapping.iteritems():
- if kernel_id == kid:
- return notebook_id
- return None
-
- def delete_mapping_for_kernel(self, kernel_id):
- """Remove the kernel/notebook mapping for kernel_id."""
- notebook_id = self.notebook_for_kernel(kernel_id)
- if notebook_id is not None:
- del self._notebook_mapping[notebook_id]
-
def _handle_kernel_died(self, kernel_id):
"""notice that a kernel died"""
self.log.warn("Kernel %s died, removing from map.", kernel_id)
- self.delete_mapping_for_kernel(kernel_id)
self.remove_kernel(kernel_id)
- def start_kernel(self, notebook_id=None, **kwargs):
- """Start a kernel for a notebook an return its kernel_id.
+ def start_kernel(self, **kwargs):
+ """Start a kernel for a session an return its kernel_id.
Parameters
----------
- notebook_id : uuid
- The uuid of the notebook to associate the new kernel with. If this
- is not None, this kernel will be persistent whenever the notebook
+ session_id : uuid
+ The uuid of the session to associate the new kernel with. If this
+ is not None, this kernel will be persistent whenever the session
requests a kernel.
"""
- kernel_id = self.kernel_for_notebook(notebook_id)
+ kernel_id = None
if kernel_id is None:
kwargs['extra_arguments'] = self.kernel_argv
kernel_id = super(MappingKernelManager, self).start_kernel(**kwargs)
- self.set_kernel_for_notebook(notebook_id, kernel_id)
self.log.info("Kernel started: %s" % kernel_id)
self.log.debug("Kernel args: %r" % kwargs)
# register callback for failed auto-restart
@@ -99,12 +74,23 @@ class MappingKernelManager(MultiKernelManager):
def shutdown_kernel(self, kernel_id, now=False):
"""Shutdown a kernel by kernel_id"""
+ i = 0
+ for kernel in self.kernels:
+ if kernel['kernel_id'] == kernel_id:
+ del self.kernels[i]
+ i = i+1
super(MappingKernelManager, self).shutdown_kernel(kernel_id, now=now)
- self.delete_mapping_for_kernel(kernel_id)
+
+ def kernel_model(self, kernel_id, ws_url):
+ model = {"kernel_id":kernel_id, "ws_url": ws_url}
+ self.kernels.append(model)
+ return model
+
+ def list_kernels(self):
+ return self.kernels
# override _check_kernel_id to raise 404 instead of KeyError
def _check_kernel_id(self, kernel_id):
"""Check a that a kernel_id exists and raise 404 if not."""
if kernel_id not in self:
raise web.HTTPError(404, u'Kernel does not exist: %s' % kernel_id)
-