ftplib doesn't follow standard

[ods]

BPO	1576598
Nosy	@phdru, @ods, @giampaolo, @devdanzin, @merwok
Superseder	bpo-821862: ftplib: Strict RFC 959 (telnet in command channel)

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2010-08-24.22:19:52.822>
created_at = <Date 2006-10-13.14:46:33.000>
labels = ['type-bug', 'library']
title = "ftplib doesn't follow standard"
updated_at = <Date 2010-08-24.22:22:15.811>
user = 'https://github.com/ods'

bugs.python.org fields:

activity = <Date 2010-08-24.22:22:15.811>
actor = 'eric.araujo'
assignee = 'none'
closed = True
closed_date = <Date 2010-08-24.22:19:52.822>
closer = 'BreamoreBoy'
components = ['Library (Lib)']
creation = <Date 2006-10-13.14:46:33.000>
creator = 'ods'
dependencies = []
files = []
hgrepos = []
issue_num = 1576598
keywords = []
message_count = 7.0
messages = ['61021', '64111', '84527', '84536', '84538', '114839', '114841']
nosy_count = 6.0
nosy_names = ['phd', 'ods', 'giampaolo.rodola', 'ajaksu2', 'eric.araujo', 'BreamoreBoy']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = 'test needed'
status = 'closed'
superseder = '821862'
type = 'behavior'
url = 'https://bugs.python.org/issue1576598'
versions = ['Python 3.1', 'Python 2.7', 'Python 3.2']

[ods]

According to RFC 959 communication for the exchange of
commands and replies must follow telnet protocol, but
ftplib doesn't. This causes "550 No such file or
directory" replies when path contains '\xFF' character
(which is quite widely used in some languages).

The bug applies to all versions of Python.

[giampaolo]

I think the problem you described is up to the FTP server implementation
which does not have unicode support.
The telnet protocol is used in FTP only when dealing with ABOR and STAT
commands. It has nothing to do with pathnames.

[devdanzin]

Denis, can you confirm this is a Python issue? I'll close this otherwise.

[phdru]

This is a duplicate of the issue http://bugs.python.org/issue821862

[ods]

Yes, it's a problem in Python library. I believe the patch proposed by
Oleg in the bpo-821862 is the best solution to it.

[BreamoreBoy]

There's a patch on bpo-821862.

[merwok]

Mark, it’s helpful to set the superseder field when closing as duplicate. Thanks in advance :)