##// END OF EJS Templates
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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notebook.html
257 lines | 13.3 KiB | text/html | HtmlLexer
{% extends "page.html" %}
{% block stylesheet %}
{% if mathjax_url %}
<script type="text/javascript" src="{{mathjax_url}}?config=TeX-AMS_HTML-full&delayStartupUntil=configured" charset="utf-8"></script>
{% endif %}
<script type="text/javascript">
// MathJax disabled, set as null to distingish from *missing* MathJax,
// where it will be undefined, and should prompt a dialog later.
window.mathjax_url = "{{mathjax_url}}";
</script>
<link rel="stylesheet" href="{{ static_url("components/codemirror/lib/codemirror.css") }}">
{{super()}}
<link rel="stylesheet" href="{{ static_url("notebook/css/override.css") }}" type="text/css" />
{% endblock %}
{% block params %}
data-project={{project}}
data-base-project-url={{base_project_url}}
data-base-kernel-url={{base_kernel_url}}
data-read-only={{read_only and not logged_in}}
data-notebook-id={{notebook_id}}
class="notebook_app"
{% endblock %}
{% block header %}
<span id="save_widget" class="nav pull-left">
<span id="notebook_name"></span>
<span id="checkpoint_status"></span>
<span id="autosave_status"></span>
</span>
{% endblock %}
{% block site %}
<div id="menubar-container" class="container">
<div id="menubar">
<div class="navbar">
<div class="navbar-inner">
<div class="container">
<ul id="menus" class="nav">
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">File</a>
<ul class="dropdown-menu">
<li id="new_notebook"><a href="#">New</a></li>
<li id="open_notebook"><a href="#">Open...</a></li>
<!-- <hr/> -->
<li class="divider"></li>
<li id="copy_notebook"><a href="#">Make a Copy...</a></li>
<li id="rename_notebook"><a href="#">Rename...</a></li>
<li id="save_checkpoint"><a href="#">Save and Checkpoint</a></li>
<!-- <hr/> -->
<li class="divider"></li>
<li id="restore_checkpoint" class="dropdown-submenu"><a href="#">Revert to Checkpoint</a>
<ul class="dropdown-menu">
<li><a href="#"></a></li>
<li><a href="#"></a></li>
<li><a href="#"></a></li>
<li><a href="#"></a></li>
<li><a href="#"></a></li>
</ul>
</li>
<li class="divider"></li>
<li class="dropdown-submenu"><a href="#">Download as</a>
<ul class="dropdown-menu">
<li id="download_ipynb"><a href="#">IPython (.ipynb)</a></li>
<li id="download_py"><a href="#">Python (.py)</a></li>
</ul>
</li>
<li class="divider"></li>
<li id="kill_and_exit"><a href="#" >Close and halt</a></li>
</ul>
</li>
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">Edit</a>
<ul class="dropdown-menu">
<li id="cut_cell"><a href="#">Cut Cell</a></li>
<li id="copy_cell"><a href="#">Copy Cell</a></li>
<li id="paste_cell_above" class="disabled"><a href="#">Paste Cell Above</a></li>
<li id="paste_cell_below" class="disabled"><a href="#">Paste Cell Below</a></li>
<li id="paste_cell_replace" class="disabled"><a href="#">Paste Cell &amp; Replace</a></li>
<li id="delete_cell"><a href="#">Delete Cell</a></li>
<li id="undelete_cell" class="disabled"><a href="#">Undo Delete Cell</a></li>
<li class="divider"></li>
<li id="split_cell"><a href="#">Split Cell</a></li>
<li id="merge_cell_above"><a href="#">Merge Cell Above</a></li>
<li id="merge_cell_below"><a href="#">Merge Cell Below</a></li>
<li class="divider"></li>
<li id="move_cell_up"><a href="#">Move Cell Up</a></li>
<li id="move_cell_down"><a href="#">Move Cell Down</a></li>
<li class="divider"></li>
<li id="select_previous"><a href="#">Select Previous Cell</a></li>
<li id="select_next"><a href="#">Select Next Cell</a></li>
</ul>
</li>
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">View</a>
<ul class="dropdown-menu">
<li id="toggle_header"><a href="#">Toggle Header</a></li>
<li id="toggle_toolbar"><a href="#">Toggle Toolbar</a></li>
</ul>
</li>
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">Insert</a>
<ul class="dropdown-menu">
<li id="insert_cell_above"><a href="#">Insert Cell Above</a></li>
<li id="insert_cell_below"><a href="#">Insert Cell Below</a></li>
</ul>
</li>
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">Cell</a>
<ul class="dropdown-menu">
<li id="run_cell"><a href="#">Run</a></li>
<li id="run_cell_in_place"><a href="#">Run in Place</a></li>
<li id="run_all_cells"><a href="#">Run All</a></li>
<li id="run_all_cells_above"><a href="#">Run All Above</a></li>
<li id="run_all_cells_below"><a href="#">Run All Below</a></li>
<li class="divider"></li>
<li id="change_cell_type" class="dropdown-submenu"><a href="#">Cell Type</a>
<ul class="dropdown-menu">
<li id="to_code"><a href="#">Code</a></li>
<li id="to_markdown"><a href="#">Markdown </a></li>
<li id="to_raw"><a href="#">Raw Text</a></li>
<li id="to_heading1"><a href="#">Heading 1</a></li>
<li id="to_heading2"><a href="#">Heading 2</a></li>
<li id="to_heading3"><a href="#">Heading 3</a></li>
<li id="to_heading4"><a href="#">Heading 4</a></li>
<li id="to_heading5"><a href="#">Heading 5</a></li>
<li id="to_heading6"><a href="#">Heading 6</a></li>
</ul>
</li>
<li class="divider"></li>
<li id="toggle_output"><a href="#">Toggle Current Output</a></li>
<li id="all_outputs" class="dropdown-submenu"><a href="#">All Output</a>
<ul class="dropdown-menu">
<li id="expand_all_output"><a href="#">Expand</a></li>
<li id="scroll_all_output"><a href="#">Scroll Long</a></li>
<li id="collapse_all_output"><a href="#">Collapse</a></li>
<li id="clear_all_output"><a href="#">Clear</a></li>
</ul>
</li>
</ul>
</li>
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">Kernel</a>
<ul class="dropdown-menu">
<li id="int_kernel"><a href="#">Interrupt</a></li>
<li id="restart_kernel"><a href="#">Restart</a></li>
</ul>
</li>
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown">Help</a>
<ul class="dropdown-menu">
<li><a href="http://ipython.org/documentation.html" target="_blank">IPython Help</a></li>
<li><a href="http://ipython.org/ipython-doc/stable/interactive/htmlnotebook.html" target="_blank">Notebook Help</a></li>
<li id="keyboard_shortcuts"><a href="#">Keyboard Shortcuts</a></li>
<li class="divider"></li>
<li><a href="http://docs.python.org" target="_blank">Python</a></li>
<li><a href="http://docs.scipy.org/doc/numpy/reference/" target="_blank">NumPy</a></li>
<li><a href="http://docs.scipy.org/doc/scipy/reference/" target="_blank">SciPy</a></li>
<li><a href="http://docs.sympy.org/dev/index.html" target="_blank">SymPy</a></li>
<li><a href="http://matplotlib.sourceforge.net/" target="_blank">Matplotlib</a></li>
</ul>
</li>
</ul>
<div id="notification_area"></div>
</div>
</div>
</div>
</div>
<div id="maintoolbar" class="navbar">
<div class="toolbar-inner navbar-inner navbar-nobg">
<div id="maintoolbar-container" class="container"></div>
</div>
</div>
</div>
<div id="ipython-main-app">
<div id="notebook_panel">
<div id="notebook"></div>
<div id="pager_splitter"></div>
<div id="pager">
<div id='pager_button_area'>
</div>
<div id="pager-container" class="container"></div>
</div>
</div>
</div>
<div id='tooltip' class='ipython_tooltip' style='display:none'></div>
{% endblock %}
{% block script %}
{{super()}}
<script src="{{ static_url("components/codemirror/lib/codemirror.js") }}" charset="utf-8"></script>
<script type="text/javascript">
CodeMirror.modeURL = "{{ static_url("components/codemirror/mode/%N/%N.js") }}";
</script>
<script src="{{ static_url("components/codemirror/addon/mode/loadmode.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/addon/mode/multiplex.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/addon/mode/overlay.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/addon/edit/matchbrackets.js") }}" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/codemirror-ipython.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/mode/htmlmixed/htmlmixed.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/mode/xml/xml.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/mode/javascript/javascript.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/mode/css/css.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/mode/rst/rst.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/mode/markdown/markdown.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/codemirror/mode/gfm/gfm.js") }}" charset="utf-8"></script>
<script src="{{ static_url("components/highlight.js/build/highlight.pack.js") }}" charset="utf-8"></script>
<script src="{{ static_url("dateformat/date.format.js") }}" charset="utf-8"></script>
<script src="{{ static_url("base/js/events.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("base/js/utils.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("base/js/dialog.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/layoutmanager.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/mathjaxutils.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/outputarea.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/cell.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/celltoolbar.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/codecell.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/completer.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/textcell.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("services/kernels/js/kernel.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/savewidget.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/quickhelp.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/pager.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/menubar.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/toolbar.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/maintoolbar.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/notebook.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/notificationwidget.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/notificationarea.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/tooltip.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/config.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/main.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/contexthint.js") }}" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/celltoolbarpresets/default.js") }}" type="text/javascript" charset="utf-8"></script>
<script src="{{ static_url("notebook/js/celltoolbarpresets/slideshow.js") }}" type="text/javascript" charset="utf-8"></script>
{% endblock %}