upstream/ipython Files · IPython/html/static/custom/custom.js

Prevent qtconsole frontend freeze on lots of output....

Prevent qtconsole frontend freeze on lots of output. The output from the kernel is now clipped to last `buffer_size` before displaying and a timer is used to flush the pending output text instead of attempting to display text on every stream output from kernel. The timer interval is adjusted based on actual time taken to append a screenful of text to widget. This throttles the widget repaints and avoids choking the Qt event loop leaving time to handle other Qt events. Test cases: In [1]: for i in xrange(1000000): print i In [2]: range(100000) Without this commit the first input causes the qtconsole frontend to freeze, not responding to `Ctrl+C`.

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                | application/javascript
            
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                JavascriptLexer
            
             / IPython / html / static / custom / custom.js
          
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      // leave at least 2 line with only a star on it below, or doc generation fails

      /**

       *

       *

       * Placeholder for custom user javascript

       * mainly to be overridden in profile/static/custom/custom.js

       * This will always be an empty file in IPython

       *

       * User could add any javascript in the `profile/static/custom/custom.js` file

       * (and should create it if it does not exist).

       * It will be executed by the ipython notebook at load time.

       *

       * Same thing with `profile/static/custom/custom.css` to inject custom css into the notebook.

       *

       * Example :

       *

       * Create a custom button in toolbar that execute `%qtconsole` in kernel

       * and hence open a qtconsole attached to the same kernel as the current notebook

       *

       *    $([IPython.events]).on('notebook_loaded.Notebook', function(){

       *        IPython.toolbar.add_buttons_group([

       *            {

       *                 'label'   : 'run qtconsole',

       *                 'icon'    : 'ui-icon-calculator', // select your icon from http://jqueryui.com/themeroller/

       *                 'callback': function(){IPython.notebook.kernel.execute('%qtconsole')}

       *            }

       *            // add more button here if needed.

       *            ]);

       *    });

       *

       * Example :

       *

       *  Use `jQuery.getScript(url [, success(script, textStatus, jqXHR)] );`

       *  to load custom script into the notebook.

       *

       *    // to load the metadata ui extension example.

       *    $.getScript('/static/notebook/js/celltoolbarpresets/example.js');

       *    // or

       *    // to load the metadata ui extension to control slideshow mode / reveal js for nbconvert

       *    $.getScript('/static/notebook/js/celltoolbarpresets/slideshow.js');

       *

       *

       * @module IPython

       * @namespace IPython

       * @class customjs

       * @static

       */

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				// leave at least 2 line with only a star on it below, or doc generation fails
				/**
				*
				*
				* Placeholder for custom user javascript
				* mainly to be overridden in profile/static/custom/custom.js
				* This will always be an empty file in IPython
				*
				* User could add any javascript in the `profile/static/custom/custom.js` file
				* (and should create it if it does not exist).
				* It will be executed by the ipython notebook at load time.
				*
				* Same thing with `profile/static/custom/custom.css` to inject custom css into the notebook.
				*
				* Example :
				*
				* Create a custom button in toolbar that execute `%qtconsole` in kernel
				* and hence open a qtconsole attached to the same kernel as the current notebook
				*
				* $([IPython.events]).on('notebook_loaded.Notebook', function(){
				* IPython.toolbar.add_buttons_group([
				* {
				* 'label' : 'run qtconsole',
				* 'icon' : 'ui-icon-calculator', // select your icon from http://jqueryui.com/themeroller/
				* 'callback': function(){IPython.notebook.kernel.execute('%qtconsole')}
				* }
				* // add more button here if needed.
				* ]);
				* });
				*
				* Example :
				*
				* Use `jQuery.getScript(url [, success(script, textStatus, jqXHR)] );`
				* to load custom script into the notebook.
				*
				* // to load the metadata ui extension example.
				* $.getScript('/static/notebook/js/celltoolbarpresets/example.js');
				* // or
				* // to load the metadata ui extension to control slideshow mode / reveal js for nbconvert
				* $.getScript('/static/notebook/js/celltoolbarpresets/slideshow.js');
				*
				*
				* @module IPython
				* @namespace IPython
				* @class customjs
				* @static
				*/