[ python-Bugs-1281692 ] urllib violates rfc 959

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Bugs item #1281692, was opened at 2005-09-04 18:30
Message generated for change (Comment added) made by jjlee
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Category: Python Library
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Matthias Klose (doko)
Assigned to: Nobody/Anonymous (nobody)
Summary: urllib violates rfc 959

Initial Comment:
[forwarded from http://bugs.debian.org/324023]

python's urllib does the following things "on the line"
when retrieving
a file by ftp:
send(3, "PASV\r\n", 6, 0)               = 6
send(3, "NLST ftp-master.debian.org\r\n", 28, 0) = 28

But RFC 959 states:
  This command [NLST] causes a directory listing to be
sent from server
  to user site.  The pathname should specify a
directory or other
  system-specific file group descriptor

So, according to the robustness principle, it is wrong
that python
aborts file transfer if the server refuses to support
NLST on files.


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Comment By: John J Lee (jjlee)
Date: 2006-04-15 21:06

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Patch 1470976 fixes this bug.

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Comment By: John J Lee (jjlee)
Date: 2006-02-06 01:16

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Bug 1357260 reports the same issue for both urllib and urllib2.

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Comment By: Josiah Carlson (josiahcarlson)
Date: 2005-09-08 07:18

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"The pathname should specify a directory or other
system-specific file group descriptor."

If the system (ftp server) does not support a particular
'file name' as a 'file group descriptor', it seems to me
that the system (ftp server) is braindead.

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