On 2014-05-14 19:06, Antoon Pardon wrote:
op 14-05-14 18:24, Akira Li schreef:
Antoon Pardon <antoon.par...@rece.vub.ac.be> writes:

This is the code I run (python 3.3)

host = ...
user = ...
passwd = ...

from ftplib import FTP

ftp = FTP(host, user, passwd)

This is the traceback

Traceback (most recent call last):
  File "ftp-problem", line 9, in <module>
  File "/usr/lib/python3.3/ftplib.py", line 612, in mkd
    resp = self.voidcmd('MKD ' + dirname)
TypeError: Can't convert 'bytes' object to str implicitly

The problem is that I do something like this in a backup program.
I don't know the locales that other people use. So I manipulate
all file and directory names as bytes.

Am I doing something wrong?

The error message shows that ftplib expects a string here, not bytes.
You could use `ftp.mkd(some_bytes.decode(ftp.encoding))` as a

Sure but what I like to know: Can this be considered a failing of
ftplib. Since python3 generally allows paths to be strings as
well as bytes can't we expect the same of ftplib?

Especially as I assume that path will be converted to bytes anyway
in order to send it over the network.

From studying the code, I see that it uses the Latin-1 encoding.

On another note, I find it interesting that the default for the timeout
argument uses the 'magic' value -999 rather than, say, None!


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