类型错误：“bytearray”对象不能解释为整数

Question

我想通过 HTTP 发送音频数据，但我不明白为什么会出现此异常：

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给wfile.write.

我该如何解决这个问题？

这是我的代码：

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

Answer 1

尽管它的名字，如果你想一次将多个元素附加到 Python 中的类似列表的对象，你不能使用该append方法。Abytearray就像一个字节列表，因此将另一个附加或连接bytearray到它的extend方法是使用方法，或者+=：

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

事实上，如果您添加的任何bytearray内容已经可以传递到bytearray()构造函数中，那么您可能不需要将它包装在bytearray(). 例如，可以直接添加bytes对象（如b'something'）：

data += b'something'

一旦您修复了该行代码，您可能会在其他行上遇到问题。例如，如果wfile.writetake bytes，那么向它发送一个 unicode 字符串'0\r\n\r\n'可能会出错；看起来你打算写b'0\r\n\r\n'.