Question

我正在尝试使用Python Web服务器响应HTTP GET请求来提供大文件。我已成功覆盖了do_GET（self），一切都适用于发送小型zip文件，但是对于较大的文件，我只能将大约137MB写入wfile输出流，然后才会出现管道错误，因为BaseHTTPServer在我写完之前调用了完成

self.send_header("Content-Type", "application/octet-stream")
self.end_headers()
f = open(filename, 'rb')
fullyWritten = False
count = 0
while not fullyWritten:
        tmp = f.read(32768)
        count = count + len(tmp) 
        print count # always a different number before crash
        if not tmp:
            fullyWritten = True
        else:
            self.wfile.write(tmp) # never finishes writing large files
            print "wrote to http body"

... ... wrote to http body 137134080 wrote to http body 137166848 wrote to http body 137199616 ----------------------------------------

Exception happened during processing of request from ('127.0.0.1', 43644) Traceback (most recent call last): File "/usr/lib/python2.7/SocketServer.py", line 295, in _handle_request_noblock self.process_request(request, client_address) File "/usr/lib/python2.7/SocketServer.py", line 321, in process_request self.finish_request(request, client_address) File "/usr/lib/python2.7/SocketServer.py", line 334, in finish_request self.RequestHandlerClass(request, client_address, self) File "/usr/lib/python2.7/SocketServer.py", line 651, in __init__ self.finish() File "/usr/lib/python2.7/SocketServer.py", line 710, in finish self.wfile.close() File "/usr/lib/python2.7/socket.py", line 279, in close self.flush() File "/usr/lib/python2.7/socket.py", line 303, in flush self._sock.sendall(view[write_offset:write_offset+buffer_size]) error: [Errno 32] Broken pipe ----------------------------------------

GO代码正在调用终点：

res, err := http.Get(remoteUri) if err != nil { return err } defer res.Body.Close() bodyBytesBuffer := new(bytes.Buffer) _, err = io.Copy(bodyBytesBuffer, res.Body) if err != nil { return err } urlReader := bytes.NewReader(bodyBytesBuffer.Bytes()) var zipReader *zip.Reader zipReader, err = zip.NewReader(urlReader, int64(urlReader.Len()))

在我写完wfile输出流之前，Python BaseHTTPServer调用Finish（）

0 个答案: