##// END OF EJS Templates
Adding kernel/notebook associations.
Adding kernel/notebook associations.

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kernel.js
106 lines | 2.8 KiB | application/javascript | JavascriptLexer
//============================================================================
// Kernel
//============================================================================
var IPython = (function (IPython) {
var utils = IPython.utils;
var Kernel = function () {
this.kernel_id = null;
this.base_url = "/kernels";
this.kernel_url = null;
};
Kernel.prototype.get_msg = function (msg_type, content) {
var msg = {
header : {
msg_id : utils.uuid(),
username : "username",
session: this.session_id,
msg_type : msg_type
},
content : content,
parent_header : {}
};
return msg;
}
Kernel.prototype.start_kernel = function (notebook_id, callback) {
var that = this;
var qs = $.param({notebook:notebook_id});
$.post(this.base_url + '?' + qs,
function (kernel_id) {
that._handle_start_kernel(kernel_id, callback);
},
'json'
);
};
Kernel.prototype._handle_start_kernel = function (kernel_id, callback) {
this.kernel_id = kernel_id;
this.kernel_url = this.base_url + "/" + this.kernel_id;
this._start_channels();
callback();
};
Kernel.prototype._start_channels = function () {
var ws_url = "ws://127.0.0.1:8888" + this.kernel_url;
this.shell_channel = new WebSocket(ws_url + "/shell");
this.iopub_channel = new WebSocket(ws_url + "/iopub");
}
Kernel.prototype.execute = function (code) {
var content = {
code : code,
silent : false,
user_variables : [],
user_expressions : {}
};
var msg = this.get_msg("execute_request", content);
this.shell_channel.send(JSON.stringify(msg));
return msg.header.msg_id;
}
Kernel.prototype.complete = function (line, cursor_pos) {
var content = {
text : '',
line : line,
cursor_pos : cursor_pos
};
var msg = this.get_msg("complete_request", content);
this.shell_channel.send(JSON.stringify(msg));
return msg.header.msg_id;
}
Kernel.prototype.interrupt = function () {
$.post(this.kernel_url + "/interrupt");
};
Kernel.prototype.restart = function () {
IPython.kernel_status_widget.status_restarting();
url = this.kernel_url + "/restart"
var that = this;
$.post(url, function (kernel_id) {
console.log("Kernel restarted: " + kernel_id);
that.kernel_id = kernel_id;
that.kernel_url = that.base_url + "/" + that.kernel_id;
IPython.kernel_status_widget.status_idle();
}, 'json');
};
IPython.Kernel = Kernel;
return IPython;
}(IPython));