Learning Python

#!/usr/bin/env python3 # -*- coding: utf-8 -*- r''' learning.py A Python 3 tutorial from https://www.liaoxuefeng.com Usage: python3 learning.py ''' # check ####################################################################### import sys from datetime import datetime CERT_EXPIRES = '2018-07-01' def check_version(): v = sys.version_info if v.major == 3 and v.minor >= 5: return print('Your current python is %d.%d. Please use Python 3.6.' % (v.major, v.minor)) exit(1) def check_cert(): today = datetime.now().strftime('%Y-%m-%d') if today >= CERT_EXPIRES: print('This learning.py is expired. Please download a newer version.') exit(1) check_version() check_cert() # start server ################################################################ import os, io, json, subprocess, tempfile, ssl from urllib import parse from http.server import HTTPServer, BaseHTTPRequestHandler, SimpleHTTPRequestHandler EXEC = sys.executable PORT = 39093 TEMP = tempfile.mkdtemp(suffix='_py', prefix='learn_python_') HTML_INDEX = r''' Learning Python ''' class LearningHTTPRequestHandler(BaseHTTPRequestHandler): def do_GET(self): self.close_connection = True if self.path != '/': return self.send_error(404) self._sendHttpHeader('text/html') self._sendHttpBody(HTML_INDEX) def do_POST(self): self.close_connection = True if self.path != '/run': return self.send_error(400) print('Prepare code...') body = self.rfile.read(int(self.headers['Content-length'])) qs = parse.parse_qs(body.decode('utf-8')) if not 'code' in qs: return self.send_error(400) code = qs['code'][0] r = dict() try: fpath = write_py(get_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.') self._sendHttpHeader() self._sendHttpBody(r) def _sendHttpHeader(self, contentType='application/json'): origin = self.headers['Origin'] or 'https://www.liaoxuefeng.com' self.send_response(200) self.send_header('Content-Type', contentType) self.send_header('Access-Control-Allow-Origin', origin) self.send_header('Access-Control-Allow-Methods', 'GET,POST') self.send_header('Access-Control-Max-Age', '86400') self.end_headers() def _sendHttpBody(self, data): body = b'' if isinstance(data, bytes): body = data elif isinstance(data, str): body = data.encode('utf-8', errors='ignore') else: body = json.dumps(data).encode('utf-8', errors='ignore') self.wfile.write(body) def main(): certfile = write_cert() httpd = HTTPServer(('127.0.0.1', PORT), LearningHTTPRequestHandler) httpd.socket = ssl.wrap_socket(httpd.socket, certfile=certfile, server_side=True) print('Ready for Python code on port %d...' % PORT) print('Press Ctrl + C to exit...') httpd.serve_forever() # functions ################################################################### INDEX = 0 def get_name(): global INDEX INDEX = INDEX + 1 return 'test_%d' % INDEX def 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 fpath def decode(s): try: return s.decode('utf-8') except UnicodeDecodeError: return s.decode('gbk') # certificate ################################################################# def write_cert(): fpath = os.path.join(TEMP, 'local.liaoxuefeng.com.pem') with open(fpath, 'w', encoding='utf-8') as f: f.write(CERT_DATA) return fpath CERT_DATA = r''' -----BEGIN RSA PRIVATE KEY----- MIIEpAIBAAKCAQEA5b3zv77bzN8JShoXkVjXFG9NK342wnfgye+NmuSoRfCMPrwL GToJZiwxokXGyVY8obmQA69WUgonpuotp0AhDK8bOvykKuX+7MyE36sh9TUVOiIw 6D3ODG2E1K5IIEytfGhuPmeJe3OapnL/lJytlLhonu63VEf+jpYh6I/gXD4hZu1N tx4rOeJLl3qSFgRgX4oBZtO0d4aHop/XW5XcdaeuJxIW5qw7PxXqlch4h9TUs0Og udko380DrO9pmTuVXr2rtk6Jy96wDAVwsAiSX85FF59Q3QmjDzM+fx8a/vyWkxOw 9dT0DzfZBJ9g/tPk13ir14U1vPpDMO1lIXjKZQIDAQABAoIBAEp+FwT7W8XII/j1 EOM+DS9BD6KkoBjaSfbwR9gLgEx9PNwymN6rJNUOS2G0gkpSPgKqannnZnPfew/y Kq9qacz1Ej1EIe8O+GPLxOHJWY9qkOFyqK0FLUR2VnWntRdUBYSrT+PIKpnu2BxU eW60hswMJ1AxUxxu46lUINaJoFQH7ANHzpCxXFiWDiVK8VCCFS3MaJfqz945zLdg orHMty+gCcaWRX9wanZ5k9RmX2qzqLAAhlnKIfmItpel8HTppOk1taVDopUgPGd+ 8IG7IANbRlykkeBvlA5soSk7RNM2+crHcdCz5ehoSjMHsY3e99EPoPjKQmb3Ak0p zgtjPpkCgYEA8p+eULq0OM2anLQeOqQe2QNxkTuriOI2qyobOnCYAJRFlxCLJ8K8 OIf+srIJUYzJsGmPSqo8iizM5V9bmBRihYnPwePUJS0af8G2vdeJARoAFBo4LZNi 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########################################################## if __name__ == '__main__': main()