Python allowed, and better support for transpile errors.

app/assets/lib/ace/mode-python.js

@@ -0,0 +1 @@
+ace.define("ace/mode/python",["require","exports","module","ace/lib/oop","ace/mode/text","ace/mode/python_highlight_rules","ace/mode/folding/pythonic","ace/range"],function(e,t,n){var r=e("../lib/oop"),i=e("./text").Mode,s=e("./python_highlight_rules").PythonHighlightRules,o=e("./folding/pythonic").FoldMode,u=e("../range").Range,a=function(){this.HighlightRules=s,this.foldingRules=new o("\\:")};r.inherits(a,i),function(){this.lineCommentStart="#",this.getNextLineIndent=function(e,t,n){var r=this.$getIndent(t),i=this.getTokenizer().getLineTokens(t,e),s=i.tokens;if(s.length&&s[s.length-1].type=="comment")return r;if(e=="start"){var o=t.match(/^.*[\{\(\[\:]\s*$/);o&&(r+=n)}return r};var e={pass:1,"return":1,raise:1,"break":1,"continue":1};this.checkOutdent=function(t,n,r){if(r!=="\r\n"&&r!=="\r"&&r!=="\n")return!1;var i=this.getTokenizer().getLineTokens(n.trim(),t).tokens;if(!i)return!1;do var s=i.pop();while(s&&(s.type=="comment"||s.type=="text"&&s.value.match(/^\s+$/)));return s?s.type=="keyword"&&e[s.value]:!1},this.autoOutdent=function(e,t,n){n+=1;var r=this.$getIndent(t.getLine(n)),i=t.getTabString();r.slice(-i.length)==i&&t.remove(new u(n,r.length-i.length,n,r.length))},this.$id="ace/mode/python"}.call(a.prototype),t.Mode=a}),ace.define("ace/mode/python_highlight_rules",["require","exports","module","ace/lib/oop","ace/mode/text_highlight_rules"],function(e,t,n){var r=e("../lib/oop"),i=e("./text_highlight_rules").TextHighlightRules,s=function(){var e="and|as|assert|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|not|or|pass|print|raise|return|try|while|with|yield",t="True|False|None|NotImplemented|Ellipsis|__debug__",n="abs|divmod|input|open|staticmethod|all|enumerate|int|ord|str|any|eval|isinstance|pow|sum|basestring|execfile|issubclass|print|super|binfile|iter|property|tuple|bool|filter|len|range|type|bytearray|float|list|raw_input|unichr|callable|format|locals|reduce|unicode|chr|frozenset|long|reload|vars|classmethod|getattr|map|repr|xrange|cmp|globals|max|reversed|zip|compile|hasattr|memoryview|round|__import__|complex|hash|min|set|apply|delattr|help|next|setattr|buffer|dict|hex|object|slice|coerce|dir|id|oct|sorted|intern",r=this.createKeywordMapper({"invalid.deprecated":"debugger","support.function":n,"constant.language":t,keyword:e},"identifier"),i="(?:r|u|ur|R|U|UR|Ur|uR)?",s="(?:(?:[1-9]\\d*)|(?:0))",o="(?:0[oO]?[0-7]+)",u="(?:0[xX][\\dA-Fa-f]+)",a="(?:0[bB][01]+)",f="(?:"+s+"|"+o+"|"+u+"|"+a+")",l="(?:[eE][+-]?\\d+)",c="(?:\\.\\d+)",h="(?:\\d+)",p="(?:(?:"+h+"?"+c+")|(?:"+h+"\\.))",d="(?:(?:"+p+"|"+h+")"+l+")",v="(?:"+d+"|"+p+")",m="\\\\(x[0-9A-Fa-f]{2}|[0-7]{3}|[\\\\abfnrtv'\"]|U[0-9A-Fa-f]{8}|u[0-9A-Fa-f]{4})";this.$rules={start:[{token:"comment",regex:"#.*$"},{token:"string",regex:i+'"{3}',next:"qqstring3"},{token:"string",regex:i+'"(?=.)',next:"qqstring"},{token:"string",regex:i+"'{3}",next:"qstring3"},{token:"string",regex:i+"'(?=.)",next:"qstring"},{token:"constant.numeric",regex:"(?:"+v+"|\\d+)[jJ]\\b"},{token:"constant.numeric",regex:v},{token:"constant.numeric",regex:f+"[lL]\\b"},{token:"constant.numeric",regex:f+"\\b"},{token:r,regex:"[a-zA-Z_$][a-zA-Z0-9_$]*\\b"},{token:"keyword.operator",regex:"\\+|\\-|\\*|\\*\\*|\\/|\\/\\/|%|<<|>>|&|\\||\\^|~|<|>|<=|=>|==|!=|<>|="},{token:"paren.lparen",regex:"[\\[\\(\\{]"},{token:"paren.rparen",regex:"[\\]\\)\\}]"},{token:"text",regex:"\\s+"}],qqstring3:[{token:"constant.language.escape",regex:m},{token:"string",regex:'"{3}',next:"start"},{defaultToken:"string"}],qstring3:[{token:"constant.language.escape",regex:m},{token:"string",regex:"'{3}",next:"start"},{defaultToken:"string"}],qqstring:[{token:"constant.language.escape",regex:m},{token:"string",regex:"\\\\$",next:"qqstring"},{token:"string",regex:'"|$',next:"start"},{defaultToken:"string"}],qstring:[{token:"constant.language.escape",regex:m},{token:"string",regex:"\\\\$",next:"qstring"},{token:"string",regex:"'|$",next:"start"},{defaultToken:"string"}]}};r.inherits(s,i),t.PythonHighlightRules=s}),ace.define("ace/mode/folding/pythonic",["require","exports","module","ace/lib/oop","ace/mode/folding/fold_mode"],function(e,t,n){var r=e("../../lib/oop"),i=e("./fold_mode").FoldMode,s=t.FoldMode=function(e){this.foldingStartMarker=new RegExp("([\\[{])(?:\\s*)$|("+e+")(?:\\s*)(?:#.*)?$")};r.inherits(s,i),function(){this.getFoldWidgetRange=function(e,t,n){var r=e.getLine(n),i=r.match(this.foldingStartMarker);if(i)return i[1]?this.openingBracketBlock(e,i[1],n,i.index):i[2]?this.indentationBlock(e,n,i.index+i[2].length):this.indentationBlock(e,n)}}.call(s.prototype)})

app/schemas/models/user.coffee

@@ -60,7 +60,7 @@ UserSchema = c.object {},
     colorConfig: c.object {additionalProperties: c.colorConfig()}
 
   aceConfig: c.object {},
-    language: {type: 'string', 'default': 'javascript', 'enum': ['javascript', 'coffeescript', 'clojure', 'lua']}
+    language: {type: 'string', 'default': 'javascript', 'enum': ['javascript', 'coffeescript', 'clojure', 'lua', 'python']}
     keyBindings: {type: 'string', 'default': 'default', 'enum': ['default', 'vim', 'emacs']}
     invisibles: {type: 'boolean', 'default': false}
     indentGuides: {type: 'boolean', 'default': false}

app/templates/play/level/modal/editor_config.jade

@@ -10,8 +10,9 @@ block modal-body-content
       select#tome-language(name="language")
         option(value="javascript" selected=(language === "javascript")) JavaScript
         option(value="coffeescript" selected=(language === "coffeescript")) CoffeeScript
+        option(value="python" selected=(language === "python")) Python (Experimental)
         option(value="clojure" selected=(language === "clojure")) Clojure (Experimental)
-        option(value="lua" selected=(language === "lua")) Lua (Soon)
+        option(value="lua" selected=(language === "lua")) Lua (Experimental)
       span.help-block(data-i18n="play_level.editor_config_language_description") Define the programming language you want to code in.
     .form-group.select-group
       label.control-label(for="tome-key-bindings" data-i18n="play_level.editor_config_keybindings_label") Key Bindings

app/views/play/level/tome/spell_view.coffee

@@ -20,6 +20,7 @@ module.exports = class SpellView extends View
     'coffeescript': 'ace/mode/coffee'
     'clojure': 'ace/mode/clojure'
     'lua': 'ace/mode/lua'
+    'python': 'ace/mode/lua'
 
   keyBindings:
     'default': null
@@ -359,6 +360,7 @@ module.exports = class SpellView extends View
   displayAether: (aether) ->
     @displayedAether = aether
     isCast = not _.isEmpty(aether.metrics) or _.some aether.problems.errors, {type: 'runtime'}
+    isCast = isCast or (me.get('aceConfig') ? {})['language'] isnt 'javascript'  # Since we don't have linting for other languages
     problem.destroy() for problem in @problems  # Just in case another problem was added since clearAetherDisplay() ran.
     @problems = []
     annotations = []