python 实现指定目录的web server

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#!/usr/bin/env python3
import os
from http.server import HTTPServer as BaseHTTPServer, SimpleHTTPRequestHandler
class HTTPHandler(SimpleHTTPRequestHandler):
    """This handler uses server.base_path instead of always using os.getcwd()"""

    def translate_path(self, path):
        path = SimpleHTTPRequestHandler.translate_path(self, path)
        # # getcwd() returns current working directory of a process
        # # method in Python is used to get a relative filepath to the given path either from the current working directory or from the given directory.
        relpath = os.path.relpath(path, os.getcwd())
        fullpath = os.path.join(self.server.base_path, relpath)
        return fullpath

    def end_headers(self):
        self.send_header('Access-Control-Allow-Origin', '*')
        SimpleHTTPRequestHandler.end_headers(self)


class HTTPServer(BaseHTTPServer):
    """The main server, you pass in base_path which is the path you want to serve requests from"""
    def __init__(self, base_path, server_address, RequestHandlerClass=HTTPHandler):
        self.base_path = base_path
        BaseHTTPServer.__init__(self, server_address, RequestHandlerClass)

if __name__ == '__main__':
    PORT = 8008
    web_dir = "/speed/data/pdf_transed"
    httpd = HTTPServer(web_dir, ("", PORT))
    httpd.serve_forever()

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