Min RK
13 years ago
commit
0aaafce4af
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//----------------------------------------------------------------------------
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// Copyright (C) 2013 The IPython Development Team
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//
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// Distributed under the terms of the BSD License. The full license is in
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// the file COPYING, distributed as part of this software.
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//----------------------------------------------------------------------------
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//============================================================================
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// Comm and CommManager bases
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//============================================================================
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/**
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* Base Comm classes
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* @module IPython
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* @namespace IPython
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* @submodule comm
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*/
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var IPython = (function (IPython) {
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"use strict";
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//-----------------------------------------------------------------------
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// CommManager class
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//-----------------------------------------------------------------------
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var CommManager = function (kernel) {
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this.comms = {};
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this.targets = {};
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if (kernel !== undefined) {
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this.init_kernel(kernel);
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}
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};
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CommManager.prototype.init_kernel = function (kernel) {
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// connect the kernel, and register message handlers
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this.kernel = kernel;
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var msg_types = ['comm_open', 'comm_msg', 'comm_close'];
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for (var i = 0; i < msg_types.length; i++) {
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var msg_type = msg_types[i];
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kernel.register_iopub_handler(msg_type, $.proxy(this[msg_type], this));
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}
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};
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CommManager.prototype.new_comm = function (target_name, data, callbacks, metadata) {
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// Create a new Comm, register it, and open its Kernel-side counterpart
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// Mimics the auto-registration in `Comm.__init__` in the IPython Comm
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var comm = new Comm(target_name);
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this.register_comm(comm);
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comm.open(data, callbacks, metadata);
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return comm;
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};
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CommManager.prototype.register_target = function (target_name, f) {
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// Register a target function for a given target name
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this.targets[target_name] = f;
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};
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CommManager.prototype.unregister_target = function (target_name, f) {
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// Unregister a target function for a given target name
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delete this.targets[target_name];
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};
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CommManager.prototype.register_comm = function (comm) {
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// Register a comm in the mapping
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this.comms[comm.comm_id] = comm;
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comm.kernel = this.kernel;
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return comm.comm_id;
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};
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CommManager.prototype.unregister_comm = function (comm_id) {
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// Remove a comm from the mapping
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delete this.comms[comm_id];
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};
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// comm message handlers
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CommManager.prototype.comm_open = function (msg) {
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var content = msg.content;
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var f = this.targets[content.target_name];
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if (f === undefined) {
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console.log("No such target registered: ", content.target_name);
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console.log("Available targets are: ", this.targets);
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return;
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}
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var comm = new Comm(content.target_name, content.comm_id);
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this.register_comm(comm);
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try {
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f(comm, msg);
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} catch (e) {
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console.log("Exception opening new comm:", e, msg);
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comm.close();
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this.unregister_comm(comm);
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}
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};
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CommManager.prototype.comm_close = function (msg) {
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var content = msg.content;
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var comm = this.comms[content.comm_id];
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if (comm === undefined) {
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return;
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}
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delete this.comms[content.comm_id];
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try {
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comm.handle_close(msg);
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} catch (e) {
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console.log("Exception closing comm: ", e, msg);
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}
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};
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CommManager.prototype.comm_msg = function (msg) {
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var content = msg.content;
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var comm = this.comms[content.comm_id];
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if (comm === undefined) {
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return;
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}
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try {
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comm.handle_msg(msg);
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} catch (e) {
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console.log("Exception handling comm msg: ", e, msg);
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}
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};
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//-----------------------------------------------------------------------
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// Comm base class
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//-----------------------------------------------------------------------
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var Comm = function (target_name, comm_id) {
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this.target_name = target_name;
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this.comm_id = comm_id || IPython.utils.uuid();
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this._msg_callback = this._close_callback = null;
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};
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// methods for sending messages
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Comm.prototype.open = function (data, callbacks, metadata) {
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var content = {
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comm_id : this.comm_id,
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target_name : this.target_name,
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data : data || {},
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};
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return this.kernel.send_shell_message("comm_open", content, callbacks, metadata);
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};
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Comm.prototype.send = function (data, callbacks, metadata) {
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var content = {
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comm_id : this.comm_id,
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data : data || {},
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};
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return this.kernel.send_shell_message("comm_msg", content, callbacks, metadata);
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};
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Comm.prototype.close = function (data, callbacks, metadata) {
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var content = {
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comm_id : this.comm_id,
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data : data || {},
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};
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return this.kernel.send_shell_message("comm_close", content, callbacks, metadata);
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};
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// methods for registering callbacks for incoming messages
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Comm.prototype._register_callback = function (key, callback) {
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this['_' + key + '_callback'] = callback;
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};
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Comm.prototype.on_msg = function (callback) {
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this._register_callback('msg', callback);
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};
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Comm.prototype.on_close = function (callback) {
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this._register_callback('close', callback);
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};
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// methods for handling incoming messages
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Comm.prototype._maybe_callback = function (key, msg) {
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var callback = this['_' + key + '_callback'];
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if (callback) {
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try {
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callback(msg);
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} catch (e) {
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console.log("Exception in Comm callback", e, msg);
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}
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}
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};
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Comm.prototype.handle_msg = function (msg) {
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this._maybe_callback('msg', msg);
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};
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Comm.prototype.handle_close = function (msg) {
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this._maybe_callback('close', msg);
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};
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IPython.CommManager = CommManager;
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IPython.Comm = Comm;
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return IPython;
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}(IPython));
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@ -0,0 +1,269 @@
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{
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"metadata": {
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"name": ""
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},
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"nbformat": 3,
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"nbformat_minor": 0,
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"worksheets": [
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{
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"cells": [
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{
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"cell_type": "heading",
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"level": 1,
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"metadata": {},
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"source": [
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"Basic Output"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"from IPython.display import display"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"print 'hi'"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"display('hi')"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"1"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"%matplotlib inline\n",
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"import matplotlib.pyplot as plt\n",
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"plt.plot([1,3,2])"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"%%javascript\n",
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"console.log(\"I ran!\");"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"%%html\n",
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"<b>bold</b>"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"%%latex\n",
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"$$\n",
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"a = 5\n",
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"$$"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "heading",
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"level": 1,
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"metadata": {},
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"source": [
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"input_request"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"raw_input(\"prompt > \")"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "heading",
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"level": 1,
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"metadata": {},
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"source": [
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"set_next_input"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"%%writefile tst.py\n",
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"def foo():\n",
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" pass\n"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"%load tst.py"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "heading",
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"level": 1,
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"metadata": {},
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"source": [
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"Pager in execute_reply"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"plt?"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "heading",
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"level": 1,
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"metadata": {},
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"source": [
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"object_info"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"# press tab after parentheses\n",
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"int("
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "heading",
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"level": 1,
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"metadata": {},
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"source": [
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"complete"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"# pres tab after f\n",
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"f"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "heading",
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"level": 1,
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"metadata": {},
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"source": [
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"clear_output"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"import sys\n",
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"from IPython.display import clear_output"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"for i in range(10):\n",
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" clear_output()\n",
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" time.sleep(0.25)\n",
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" print i\n",
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" sys.stdout.flush()\n",
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" time.sleep(0.25)\n"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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||||
},
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||||
{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"for i in range(10):\n",
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" clear_output(wait=True)\n",
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" time.sleep(0.25)\n",
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" print i\n",
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" sys.stdout.flush()\n"
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],
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"language": "python",
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"metadata": {},
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"outputs": []
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||||
},
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||||
{
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||||
"cell_type": "code",
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||||
"collapsed": false,
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||||
"input": [],
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||||
"language": "python",
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||||
"metadata": {},
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||||
"outputs": []
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||||
}
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||||
],
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||||
"metadata": {}
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||||
}
|
||||
]
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}
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Loading…
Reference in new issue