python代码运行助手可以让你在线输入python代码，然后通过本机运行的一个python脚本来执行代码。原理如下：
在网页输入代码：
点击run按钮，代码被发送到本机正在运行的python代码运行助手；
python代码运行助手将代码保存为临时文件，然后调用python解释器执行代码；
网页显示代码执行结果：
下载
点击右键，目标另存为：learning.py
备用下载地址：learning.py
完整代码：
#!/usr/bin/env python3# -*- coding: utf-8 -*-r'''learning.pya python 3 tutorial from http://www.liaoxuefeng.comusage:python3 learning.py'''import sysdef check_version(): v = sys.version_info if v.major == 3 and v.minor >= 4: return true print('your current python is %d.%d. please use python 3.4.' % (v.major, v.minor)) return falseif not check_version(): exit(1)import os, io, json, subprocess, tempfilefrom urllib import parsefrom wsgiref.simple_server import make_serverexec = sys.executableport = 39093host = 'local.liaoxuefeng.com:%d' % porttemp = tempfile.mkdtemp(suffix='_py', prefix='learn_python_')index = 0def main(): httpd = make_server('127.0.0.1', port, application) print('ready for python code on port %d...' % port) httpd.serve_forever()def get_name(): global index index = index + 1 return 'test_%d' % indexdef write_py(name, code): fpath = os.path.join(temp, '%s.py' % name) with open(fpath, 'w', encoding='utf-8') as f: f.write(code) print('code wrote to: %s' % fpath) return fpathdef decode(s): try: return s.decode('utf-8') except unicodedecodeerror: return s.decode('gbk')def application(environ, start_response): host = environ.get('http_host') method = environ.get('request_method') path = environ.get('path_info') if method == 'get' and path == '/': start_response('200 ok', [('content-type', 'text/html')]) return [b'learning pythonrun
'] if method == 'get' and path == '/env': start_response('200 ok', [('content-type', 'text/html')]) l = [b'env'] for k, v in environ.items(): p = '%s = %s' % (k, str(v)) l.append(p.encode('utf-8')) l.append(b'') return l if host != host or method != 'post' or path != '/run' or not environ.get('content_type', '').lower().startswith('application/x-www-form-urlencoded'): start_response('400 bad request', [('content-type', 'application/json')]) return [b'{error:bad_request}'] s = environ['wsgi.input'].read(int(environ['content_length'])) qs = parse.parse_qs(s.decode('utf-8')) if not 'code' in qs: start_response('400 bad request', [('content-type', 'application/json')]) return [b'{error:invalid_params}'] name = qs['name'][0] if 'name' in qs else get_name() code = qs['code'][0] headers = [('content-type', 'application/json')] origin = environ.get('http_origin', '') if origin.find('.liaoxuefeng.com') == -1: start_response('400 bad request', [('content-type', 'application/json')]) return [b'{error:invalid_origin}'] headers.append(('access-control-allow-origin', origin)) start_response('200 ok', headers) r = dict() try: fpath = write_py(name, code) print('execute: %s %s' % (exec, fpath)) r['output'] = decode(subprocess.check_output([exec, fpath], stderr=subprocess.stdout, timeout=5)) except subprocess.calledprocesserror as e: r = dict(error='exception', output=decode(e.output)) except subprocess.timeoutexpired as e: r = dict(error='timeout', output='执行超时') except subprocess.calledprocesserror as e: r = dict(error='error', output='执行错误') print('execute done.') return [json.dumps(r).encode('utf-8')]if __name__ == '__main__': main()
运行
在存放learning.py的目录下运行命令：
复制代码 代码如下:
c:\users\michael\downloads> python learning.py
如果看到ready for python code on port 39093...表示运行成功，不要关闭命令行窗口，最小化放到后台运行即可：
试试效果
需要支持html5的浏览器：
ie >= 9
firefox
chrome
sarafi