TypeError:'bytearray'对象不能解释为整数

问题描述 投票:0回答:1

我想通过HTTP发送音频数据,但我不明白为什么会收到此异常:

Exception happened during processing of request from ('127.0.0.1', 59976)
Traceback (most recent call last):
  File "/usr/lib/python3.6/socketserver.py", line 654, in process_request_thread
    self.finish_request(request, client_address)
  File "/usr/lib/python3.6/socketserver.py", line 364, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/python3.6/socketserver.py", line 724, in __init__
    self.handle()
  File "/usr/lib/python3.6/http/server.py", line 418, in handle
    self.handle_one_request()
  File "/usr/lib/python3.6/http/server.py", line 406, in handle_one_request
    method()
  File "/home/vivanov/temp.py", line 113, in do_GET
    data.append(bytearray(stream.read(CHUNK)))
TypeError: 'bytearray' object cannot be interpreted as an integer

问题似乎与将值传递到wfile.write有关。

我该如何解决此问题?

这是我的代码:

class ChunkingRequestHandler(BaseHTTPRequestHandler):
    ALWAYS_SEND_SOME = False
    ALLOW_GZIP = False
    protocol_version = 'HTTP/1.1'
    def do_GET(self):
        ae = self.headers.get('accept-encoding') or ''

        # send some headers
        self.send_response(200)
        self.send_header('Transfer-Encoding', 'chunked')
        self.send_header('Content-type', 'audio/x-wav')

        self.end_headers()

        data = bytearray(wav_header)
        data.append(bytearray(stream.read(CHUNK)))
        print(data)
        self.wfile.write(b"%X\r\n%s\r\n" % (len(data), data))

        while True:
            data = bytearray(stream.read(CHUNK))
            self.wfile.write(b"%X\r\n%s\r\n" % (len(data), data))

        # send the chunked trailer
        self.wfile.write('0\r\n\r\n')
python python-3.x http python-bytearray
1个回答
0
投票

尽管有其名称,但是如果您想一次在Python中的一个类似列表的对象上追加一个以上的元素,则不能使用append方法。 bytearray的行为就像一个字节列表,因此在其上附加或连接另一个bytearray的方法是使用extend方法或+=

data += bytearray(...)
#  OR
data.extend(bytearray(...))

实际上,如果您要添加到bytearray的内容已经可以传递到bytearray()构造函数中,则可能不需要将其包装在bytearray()中。例如,可以直接添加bytes对象(例如b'something'):

data += b'something'

一旦修复了该行代码,您可能在其他行上遇到问题。例如,如果wfile.writebytes,则向其发送诸如'0\r\n\r\n'的Unicode字符串可能会出错;看来您打算写b'0\r\n\r\n'

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