http_server.py 文件源码

def parse(self, data):
        state = "init"
        for line in data.splitlines():
            if state == "init":
                self.parseRequest(line)
                state = "host"
                continue
            if state == "host":
                match = re.match("host: (.*)$", line, re.IGNORECASE)
                if match:
                    self.host = match.group(1)
                    state = "keys"
                    continue
            if not line:
                continue
            line = line.split(":", 1)
            if len(line) == 1:
                raise SyntaxError("Unable to parse client header: %r" % line[0])
            key, value = line
            self.headers.append( (key, value) )