##// END OF EJS Templates
Backport PR #4163: Fix for incorrect default encoding on Windows....
Backport PR #4163: Fix for incorrect default encoding on Windows. Whilst trying out rendering notebooks in a flask app under Apache on Windows I got the below error when simply trying to import `SlidesExporter` ```python mod_wsgi (pid=6260): Exception occurred processing WSGI script 'flask_test.wsgi'. Traceback (most recent call last): File "flask_test.py", line 81, in render_notebook from IPython.nbconvert.exporters import SlidesExporter File "c:\\dev\\code\\ipython\\IPython\\__init__.py", line 47, in <module> from .terminal.embed import embed File "c:\\dev\\code\\ipython\\IPython\\terminal\\embed.py", line 32, in <module> from IPython.terminal.interactiveshell import TerminalInteractiveShell File "c:\\dev\\code\\ipython\\IPython\\terminal\\interactiveshell.py", line 25, in <module> from IPython.core.interactiveshell import InteractiveShell, InteractiveShellABC File "c:\\dev\\code\\ipython\\IPython\\core\\interactiveshell.py", line 59, in <module> from IPython.core.prompts import PromptManager File "c:\\dev\\code\\ipython\\IPython\\core\\prompts.py", line 138, in <module> HOME = py3compat.str_to_unicode(os.environ.get("HOME","//////:::::ZZZZZ,,,~~~")) File "c:\\dev\\code\\ipython\\IPython\\utils\\py3compat.py", line 18, in decode return s.decode(encoding, "replace") LookupError: unknown encoding: cp0 ``` A little bit of [googling](http://bugs.python.org/issue6501) suggests that Windows returns 'cp0' to indicate there is no code page. This fix simply looks for this invalid value and replaces it with something valid. With this change it works for me.

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quickhelp.js
75 lines | 3.0 KiB | application/javascript | JavascriptLexer
//----------------------------------------------------------------------------
// Copyright (C) 2008-2011 The IPython Development Team
//
// Distributed under the terms of the BSD License. The full license is in
// the file COPYING, distributed as part of this software.
//----------------------------------------------------------------------------
//============================================================================
// QuickHelp button
//============================================================================
var IPython = (function (IPython) {
var QuickHelp = function (selector) {
};
QuickHelp.prototype.show_keyboard_shortcuts = function () {
// toggles display of keyboard shortcut dialog
var that = this;
if ( this.shortcut_dialog ){
// if dialog is already shown, close it
$(this.shortcut_dialog).modal("toggle");
return;
}
var body = $('<div/>');
var shortcuts = [
{key: 'Shift-Enter', help: 'run cell'},
{key: 'Ctrl-Enter', help: 'run cell in-place'},
{key: 'Alt-Enter', help: 'run cell, insert below'},
{key: 'Ctrl-m x', help: 'cut cell'},
{key: 'Ctrl-m c', help: 'copy cell'},
{key: 'Ctrl-m v', help: 'paste cell'},
{key: 'Ctrl-m d', help: 'delete cell'},
{key: 'Ctrl-m z', help: 'undo last cell deletion'},
{key: 'Ctrl-m -', help: 'split cell'},
{key: 'Ctrl-m a', help: 'insert cell above'},
{key: 'Ctrl-m b', help: 'insert cell below'},
{key: 'Ctrl-m o', help: 'toggle output'},
{key: 'Ctrl-m O', help: 'toggle output scroll'},
{key: 'Ctrl-m l', help: 'toggle line numbers'},
{key: 'Ctrl-m s', help: 'save notebook'},
{key: 'Ctrl-m j', help: 'move cell down'},
{key: 'Ctrl-m k', help: 'move cell up'},
{key: 'Ctrl-m y', help: 'code cell'},
{key: 'Ctrl-m m', help: 'markdown cell'},
{key: 'Ctrl-m t', help: 'raw cell'},
{key: 'Ctrl-m 1-6', help: 'heading 1-6 cell'},
{key: 'Ctrl-m p', help: 'select previous'},
{key: 'Ctrl-m n', help: 'select next'},
{key: 'Ctrl-m i', help: 'interrupt kernel'},
{key: 'Ctrl-m .', help: 'restart kernel'},
{key: 'Ctrl-m h', help: 'show keyboard shortcuts'}
];
for (var i=0; i<shortcuts.length; i++) {
body.append($('<div>').addClass('quickhelp').
append($('<span/>').addClass('shortcut_key').html(shortcuts[i].key)).
append($('<span/>').addClass('shortcut_descr').html(' : ' + shortcuts[i].help))
);
};
this.shortcut_dialog = IPython.dialog.modal({
title : "Keyboard shortcuts",
body : body,
destroy : false,
buttons : {
Close : {}
}
});
};
// Set module variables
IPython.QuickHelp = QuickHelp;
return IPython;
}(IPython));