def do_POST()

in WebApp.py [0:0]
24 lines of code
3 McCabe index (conditional complexity)

    def do_POST(self):
        """Serve a POST request."""
        r, info = self.deal_post_data()
        print(r, info, "by: ", self.client_address)
        f = StringIO()
        f.write('<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">')
        f.write("<html>\n<title>Upload Result Page</title>\n")
        f.write("<body>\n<h2>Upload Result Page</h2>\n")
        f.write("<hr>\n")
        if r:
            f.write("<strong><font color=\"red\">Success: </font></strong>")
        else:
            f.write("<strong>Failed:</strong>")
        f.write(info)
        f.write("<br><a href=\"%s\">back </a>" % self.headers['referer'])
        f.write("here</a>.</small></body>\n</html>\n")
        length = f.tell()
        f.seek(0)
        self.send_response(200)
        self.send_header("Content-type", "text/html")
        self.send_header("Content-Length", str(length))
        self.end_headers()
        if f:
            self.copyfile(f, self.wfile)
            f.close()