尽管文件上传完成，ftps.storlines socket.timeout [英] ftps.storlines socket.timeout despite file upload completing

问题描述

我正在尝试使用 ftplib.FTP_TLS 上传 CSV 文件，但是无论我设置的超时持续时间(5、10、60 秒)如何，代码总是超时并出现错误:

I'm trying to upload a CSV file using ftplib.FTP_TLS, however regardless of the timeout duration I set (5,10,60 seconds), the code always times out with the error:

File "/usr/lib/python3.4/ftplib.py", line 544, in storlines
  conn.unwrap()
File "/usr/lib/python3.4/ssl.py", line 788, in unwrap
  s = self._sslobj.shutdown()
socket.timeout: The read operation timed out

但是超时后，我通过Cyber​​duck查看目录，CSV文件在那里，完成.

However after the timeout, I check the directory through Cyberduck, and the CSV file is there, complete.

这是我的上传代码:

def upload_csv(filename):
    with FTP_TLS(timeout=5) as ftps:
        ftps.set_pasv(True)
        ftps.connect(ftps_server,ftps_port)
        ftps.login(ftps_username, ftps_password)
        ftps.prot_p()
        ftps.cwd('sales')
        ftps.storlines("STOR " + filename, open(filename,'rb'))

我也试过 storbinary(...) 但得到同样的错误.

I've also tried storbinary(...) but get the same error.

该文件肯定存在，并且确实是在服务器上完整创建的.ssl.py 中的 .shutdown() 似乎有问题，可能正在等待最终读取，但互联网似乎没有产生解决方案.

The file definitely exists, and does actually get created on the server in its entirety. It looks like it's a problem with .shutdown() in ssl.py maybe waiting for a final read, but the internet doesn't seem to yield a solution.

有人可以帮忙吗?

推荐答案

我能够通过覆盖来克服这个问题

I was able to overcome the problem by overwriting

ftplib._SSLSocket = None

这里有一个更完整的例子:

Here a more complete example:

def transfer_zip(dest_zipfile, host, host_path, user, password):
    os.chdir(dirname(dest_zipfile))
    with ftplib.FTP_TLS(host, timeout=10) as ftp:
        ftp.login(user, password)
        ftp.prot_p()
        ftp.cwd(host_path)
        ftplib._SSLSocket = None
        ftp.storbinary(f"STOR {basename(dest_zipfile)}", open(dest_zipfile, 'rb'))
        ftp.quit()
        ftp.close()

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