Python verwendet http.server zum Erstellen von Diensten

Das http.server-Modul von Python3 kann einen einfachen http-Dienst erstellen.

Servercode

#! /usr/bin/env python3
# -*- coding:UTF-8 -*-
from http.server import HTTPServer, BaseHTTPRequestHandler
import json
import cgi
import datetime

# in:
# {'history':["q1", "a1", "q2", "a2"], 'query':"are you ok?"}
class RequestHandler(BaseHTTPRequestHandler):
    def do_POST(self):
        self.send_error(415, 'Only get is supported')

    def do_GET(self):
        ctype, pdict = cgi.parse_header(self.headers['content-type'])
        print(ctype, pdict)
        print(f"ctype:{
      
      ctype}")
        print(f"pdict:{
      
      pdict}")

        path = str(self.path)  # 获取请求的url
        print(f"path:{
      
      path}")

        length = int(self.headers['content-length'])  # 获取除头部后的请求参数的长度
        datas = self.rfile.read(length) # 获取请求参数数据，请求数据为json字符串
        print(f"datas:<<{
      
      datas}>>")
        rjson = json.loads(datas.decode())
        print(f"rjson:<<{
      
      rjson}>>, type<{
      
      type(rjson)}>")

        self.send_response(200)
        self.send_header('Content-type', 'application/json')
        self.end_headers()
        self.wfile.write(json.dumps({
    
    'ret':0}).encode())
                

if __name__ == '__main__':
    host = ('',8000)
    server = HTTPServer(host, RequestHandler)
    print("Starting server, listen at: %s:%s" % host)
    server.serve_forever()

Kundenanfrage

GET http://10.20.42.93:6000/ HTTP/1.1
content-type: application/json; charset=utf-8

{
    
    
    "name":"chatglm"
}

Serverseitiges Drucken

# python3 test_http.py
Starting server, listen at: :8000
application/json {
    
    'charset': 'utf-8'}
ctype:application/json
pdict:{
    
    'charset': 'utf-8'}
path:/
datas:<<b'{\r\n    "name":"chatglm"\r\n}'>>
rjson:<<{
    
    'name': 'chatglm'}>>, type<<class 'dict'>>
10.20.42.49 - - [17/Jul/2023 16:12:45] "GET / HTTP/1.1" 200 -

Verweise

BaseHTTPRequestHandler implementiert eine einfache API-Schnittstelle

Offizielles Handbuch: „http.server – HTTP-Server“