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72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
"""Tornado handlers for kernel specifications."""
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# Copyright (c) IPython Development Team.
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# Distributed under the terms of the Modified BSD License.
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from tornado import web
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from zmq.utils import jsonapi
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from ...base.handlers import IPythonHandler, json_errors
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class MainKernelSpecHandler(IPythonHandler):
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SUPPORTED_METHODS = ('GET',)
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@web.authenticated
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@json_errors
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def get(self):
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ksm = self.kernel_spec_manager
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results = []
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for kernel_name in ksm.find_kernel_specs():
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results.append(dict(name=kernel_name,
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display_name=ksm.get_kernel_spec(kernel_name).display_name))
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self.set_header("Content-Type", 'application/json')
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self.finish(jsonapi.dumps(results))
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class KernelSpecHandler(IPythonHandler):
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SUPPORTED_METHODS = ('GET',)
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@web.authenticated
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@json_errors
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def get(self, kernel_name):
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ksm = self.kernel_spec_manager
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try:
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kernelspec = ksm.get_kernel_spec(kernel_name)
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except KeyError:
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raise web.HTTPError(404, u'Kernel spec %s not found' % kernel_name)
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self.set_header("Content-Type", 'application/json')
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self.finish(kernelspec.to_json())
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class KernelSpecResourceHandler(web.StaticFileHandler, IPythonHandler):
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SUPPORTED_METHODS = ('GET', 'HEAD')
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def initialize(self):
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web.StaticFileHandler.initialize(self, path='')
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def get(self, kernel_name, path, include_body=True):
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ksm = self.kernel_spec_manager
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try:
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self.root = ksm.get_kernel_spec(kernel_name).resource_dir
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except KeyError:
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raise web.HTTPError(404, u'Kernel spec %s not found' % kernel_name)
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self.log.debug("Serving kernel resource from: %s", self.root)
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return web.StaticFileHandler.get(self, path, include_body=include_body)
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def head(self, kernel_name, path):
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self.get(kernel_name, path, include_body=False)
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# URL to handler mappings
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_kernel_name_regex = r"(?P<kernel_name>\w+)"
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default_handlers = [
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(r"/api/kernelspecs", MainKernelSpecHandler),
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(r"/api/kernelspecs/%s" % _kernel_name_regex, KernelSpecHandler),
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(r"/api/kernelspecs/%s/(?P<path>.*)" % _kernel_name_regex, KernelSpecResourceHandler),
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]
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