|
| 1 | +import React from 'react'; |
| 2 | +import ReactDOM from 'react-dom'; |
| 3 | +import { RouteHandler, Link, State } from 'react-router'; |
| 4 | +import CodeMirror from 'codemirror'; |
| 5 | +import { graphql } from 'graphql'; |
| 6 | +import GraphiQL from 'graphiql'; |
| 7 | +import schema from './schema'; |
| 8 | +import pypyjs_vm from 'pypyjs'; |
| 9 | + |
| 10 | +import 'codemirror/mode/python/python'; |
| 11 | +import 'codemirror/addon/lint/lint'; |
| 12 | +import '../css/playground.styl'; |
| 13 | + |
| 14 | +if (typeof PUBLIC_PATH === "undefined") { |
| 15 | + var PUBLIC_PATH = ''; |
| 16 | +} |
| 17 | + |
| 18 | +pypyjs_vm.rootURL = `${PUBLIC_PATH}/playground/lib/`; |
| 19 | +pypyjs_vm.cacheKey = 'graphene'; |
| 20 | + |
| 21 | +CodeMirror.registerHelper('lint', 'python', function (text, options, editor) { |
| 22 | + return (options.errors || []).map((error) => { |
| 23 | + var tokens = editor.getLineTokens(error.line - 1); |
| 24 | + tokens = tokens.filter((token, pos) => { |
| 25 | + return !!token.type || token.string.trim().length > 0; |
| 26 | + }); |
| 27 | + if (!tokens) return []; |
| 28 | + return { |
| 29 | + message: `${error.name}: ${error.message}`, |
| 30 | + severity: 'error', |
| 31 | + type: 'syntax', |
| 32 | + from: CodeMirror.Pos(error.line - 1, tokens[0].start), |
| 33 | + to: CodeMirror.Pos(error.line - 1, tokens[tokens.length-1].end), |
| 34 | + }; |
| 35 | + }); |
| 36 | +}); |
| 37 | + |
| 38 | +function graphQLFetcher(graphQLParams) { |
| 39 | + return graphql(schema, graphQLParams.query); |
| 40 | +} |
| 41 | + |
| 42 | +var default_interpreter; |
| 43 | +class Playground extends React.Component { |
| 44 | + constructor() { |
| 45 | + super(); |
| 46 | + this.state = {pypyjs: false, stdout: '', response:''}; |
| 47 | + } |
| 48 | + stdout() { |
| 49 | + console.log('stdout', arguments); |
| 50 | + } |
| 51 | + componentDidMount() { |
| 52 | + if (default_interpreter) { |
| 53 | + this.pypy_interpreter = default_interpreter; |
| 54 | + this.pypy_interpreter.stdout = this.stdout.bind(this); |
| 55 | + } |
| 56 | + else { |
| 57 | + this.pypy_interpreter = new pypyjs_vm({ |
| 58 | + stdin: function(){}, |
| 59 | + stdout: this.stdout.bind(this), |
| 60 | + stderr: function(){}, |
| 61 | + rootURL: `${PUBLIC_PATH}/playground/lib/` |
| 62 | + }); |
| 63 | + default_interpreter = this.pypy_interpreter; |
| 64 | + } |
| 65 | + |
| 66 | + this.pypyjs = this.pypy_interpreter.ready().then(() => { |
| 67 | + return this.pypy_interpreter.exec(` |
| 68 | +import graphene |
| 69 | +import js |
| 70 | +from collections import OrderedDict |
| 71 | +from graphql.core.execution.executor import Executor |
| 72 | +from graphql.core.execution.middlewares.sync import SynchronousExecutionMiddleware |
| 73 | +from graphql.core.error import GraphQLError, format_error |
| 74 | +
|
| 75 | +def get_wrapped(f): |
| 76 | + if hasattr(f, 'func_closure') and f.func_closure: |
| 77 | + return get_wrapped(f.func_closure[0].cell_contents) |
| 78 | + return f |
| 79 | +
|
| 80 | +class TrackResolver(SynchronousExecutionMiddleware): |
| 81 | + @staticmethod |
| 82 | + def run_resolve_fn(resolver, original_resolver): |
| 83 | + if resolver.func.__module__ == '__main__': |
| 84 | + line = get_wrapped(resolver.func).resolver.func_code.co_firstlineno |
| 85 | + js.globals.markLine(line-3) |
| 86 | + return SynchronousExecutionMiddleware.run_resolve_fn(resolver, original_resolver) |
| 87 | +
|
| 88 | +__graphene_executor = Executor([TrackResolver()], map_type=OrderedDict) |
| 89 | +`); |
| 90 | + }).then(() => { |
| 91 | + this.createSchema(this.props.initialSchema); |
| 92 | + }).then(() => { |
| 93 | + this.setState({pypyjs: true, response:'"Execute the query for see the results"'}); |
| 94 | + }); |
| 95 | + |
| 96 | + window.markLine = (lineNo) => { |
| 97 | + this.markLine(lineNo); |
| 98 | + } |
| 99 | + |
| 100 | + this.editor = CodeMirror(ReactDOM.findDOMNode(this.refs.schemaCode), { |
| 101 | + value: this.props.initialSchema, |
| 102 | + mode: "python", |
| 103 | + theme: "graphene", |
| 104 | + lineNumbers: true, |
| 105 | + tabSize: 4, |
| 106 | + indentUnit: 4, |
| 107 | + gutters: ["CodeMirror-linenumbers", "breakpoints"], |
| 108 | + lint: { |
| 109 | + errors: [], |
| 110 | + }, |
| 111 | + }); |
| 112 | + this.editor.on("change", this.onEditorChange.bind(this)); |
| 113 | + } |
| 114 | + onEditorChange() { |
| 115 | + if (this.changeTimeout) { |
| 116 | + clearTimeout(this.changeTimeout); |
| 117 | + } |
| 118 | + if (this.props.onEditSchema) { |
| 119 | + var value = this.editor.getValue(); |
| 120 | + if (value != this.props.initialSchema) { |
| 121 | + this.props.onEditSchema(value) |
| 122 | + } |
| 123 | + } |
| 124 | + |
| 125 | + this.changeTimeout = setTimeout(() => |
| 126 | + this.updateSchema() |
| 127 | + , 300); |
| 128 | + } |
| 129 | + updateSchema() { |
| 130 | + this.createSchema(this.editor.getValue()); |
| 131 | + } |
| 132 | + createSchema(code) { |
| 133 | + if (this.previousCode == code) return; |
| 134 | + console.log('createSchema'); |
| 135 | + this.validSchema = null; |
| 136 | + this.pypyjs.then(() => { |
| 137 | + return this.pypy_interpreter.exec(` |
| 138 | +schema = None |
| 139 | +${code} |
| 140 | +assert schema, 'You have to define a schema' |
| 141 | +`) |
| 142 | + }).then(() => { |
| 143 | + console.log('NO ERRORS'); |
| 144 | + this.removeErrors(); |
| 145 | + this.validSchema = true; |
| 146 | + }, (err) => { |
| 147 | + this.editor.options.lint.errors = []; |
| 148 | + console.log('ERRORS', err); |
| 149 | + this.logError(err); |
| 150 | + this.validSchema = false; |
| 151 | + }).then(this.updateGraphiQL.bind(this)); |
| 152 | + this.previousCode = code; |
| 153 | + } |
| 154 | + updateGraphiQL() { |
| 155 | + if (this.validSchema) { |
| 156 | + this.refs.graphiql.state.schema = null; |
| 157 | + this.refs.graphiql.componentDidMount(); |
| 158 | + this.refs.graphiql.forceUpdate(); |
| 159 | + this.refs.graphiql.refs.docExplorer.forceUpdate(); |
| 160 | + } |
| 161 | + } |
| 162 | + logError(error) { |
| 163 | + var lines = error.trace.split('\n'); |
| 164 | + var file_errors = lines.map((errorLine) => { |
| 165 | + return errorLine.match(/File "<string>", line (\d+)/); |
| 166 | + }).filter((x) => !! x); |
| 167 | + if (!file_errors.length) return; |
| 168 | + var line = parseInt(file_errors[file_errors.length-1][1]); |
| 169 | + error.line = line-2; |
| 170 | + if (error.name == "ImportError" && error.message == "No module named django") { |
| 171 | + error.message = "Django is not supported yet in Playground editor"; |
| 172 | + } |
| 173 | + this.editor.options.lint.errors.push(error); |
| 174 | + CodeMirror.signal(this.editor, 'change', this.editor); |
| 175 | + } |
| 176 | + removeErrors() { |
| 177 | + this.editor.options.lint.errors = []; |
| 178 | + CodeMirror.signal(this.editor, 'change', this.editor); |
| 179 | + } |
| 180 | + fetcher (graphQLParams) { |
| 181 | + if (!this.validSchema) { |
| 182 | + return graphQLFetcher(arguments); |
| 183 | + } |
| 184 | + return this.execute(graphQLParams.query); |
| 185 | + } |
| 186 | + execute(query) { |
| 187 | + // console.log('execute', query); |
| 188 | + return this.pypyjs.then(() => { |
| 189 | + var x = ` |
| 190 | +import json |
| 191 | +result = __graphene_executor.execute(schema.schema, '''${query}''') |
| 192 | +result_dict = {}; |
| 193 | +if result.errors: |
| 194 | + result_dict['errors'] = [format_error(e) for e in result.errors] |
| 195 | +if result.data: |
| 196 | + result_dict['data'] = result.data |
| 197 | +result_json = json.dumps(result_dict) |
| 198 | +`; |
| 199 | + return this.pypy_interpreter.exec(x) |
| 200 | + } |
| 201 | + ).then(() => |
| 202 | + this.pypy_interpreter.get(`result_json`) |
| 203 | + ).then((data) => { |
| 204 | + var json_data = JSON.parse(data); |
| 205 | + return json_data; |
| 206 | + }); |
| 207 | + } |
| 208 | + markLine(lineNo) { |
| 209 | + console.log(lineNo); |
| 210 | + var hlLine = this.editor.addLineClass(lineNo, "text", "activeline"); |
| 211 | + // var mark = this.editor.markText({line: lineNo, ch: 0}, {line: lineNo, ch: 10}, {className: "called-function"}); |
| 212 | + setTimeout(() => { |
| 213 | + this.editor.removeLineClass(lineNo, "text", "activeline"); |
| 214 | + }, 1200); |
| 215 | + } |
| 216 | + render() { |
| 217 | + return ( |
| 218 | + <div className="playground"> |
| 219 | + {!this.state.pypyjs?<div className="loading" />:null} |
| 220 | + <div className="playground-schema"> |
| 221 | + <header className="playground-schema-header"> |
| 222 | + Schema |
| 223 | + </header> |
| 224 | + <div className="playground-schema-editor" ref="schemaCode" /> |
| 225 | + </div> |
| 226 | + <div className="playground-graphiql"> |
| 227 | + <GraphiQL ref="graphiql" fetcher={this.fetcher.bind(this)} response={this.state.response} onEditQuery={this.props.onEditQuery} query={this.props.initialQuery}/> |
| 228 | + </div> |
| 229 | + </div> |
| 230 | + ); |
| 231 | + } |
| 232 | +} |
| 233 | + |
| 234 | +module.exports = Playground; |
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