from tornado import web from ..base.handlers import IPythonHandler from ..services.kernelspecs.handlers import kernel_name_regex class KernelSpecResourceHandler(web.StaticFileHandler, IPythonHandler): SUPPORTED_METHODS = ('GET', 'HEAD') def initialize(self): web.StaticFileHandler.initialize(self, path='') @web.authenticated def get(self, kernel_name, path, include_body=True): ksm = self.kernel_spec_manager try: self.root = ksm.get_kernel_spec(kernel_name).resource_dir except KeyError: raise web.HTTPError(404, u'Kernel spec %s not found' % kernel_name) self.log.debug("Serving kernel resource from: %s", self.root) return web.StaticFileHandler.get(self, path, include_body=include_body) @web.authenticated def head(self, kernel_name, path): self.get(kernel_name, path, include_body=False) default_handlers = [ (r"/kernelspecs/%s/(?P.*)" % kernel_name_regex, KernelSpecResourceHandler), ]