[issue9933] os module does not have the documented EX_NOTFOUND attribute

[Georg Brandl]

Georg Brandl  added the comment:

I agree with Martin.

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resolution:  -> works for me
status: open -> closed

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[issue9933] os module does not have the documented EX_NOTFOUND attribute

[Martin v . Löwis]

Martin v. Löwis  added the comment:

I fail to see the issue. The documentation clearly says, above the block of all 
the EX_* constants:

Note

Some of these may not be available on all Unix platforms, since there is some 
variation. These constants are defined where they are defined by the underlying 
platform.

That seems to explain the situation well, no?

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[issue9933] os module does not have the documented EX_NOTFOUND attribute

[Kamil Kisiel]

Kamil Kisiel  added the comment:

I mostly wanted to just report the issue rather than propose a solution, so I'm 
in favor of whatever everyone feels is best.

As for how I came across the issue, it was mostly curiosity, I wanted to see 
the numerical value of all the os.EX_* constants and was printing them out on 
the screen when I stumbled upon this.

If there's no chance of it working, which seems to be the case, I agree it 
should probably be just removed from the documentation.

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[issue9933] os module does not have the documented EX_NOTFOUND attribute

[Brian Curtin]

Brian Curtin  added the comment:

+1 for removing it from the docs.

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[issue9933] os module does not have the documented EX_NOTFOUND attribute

[R. David Murray]

R. David Murray  added the comment:

s/linux/unix/

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[issue9933] os module does not have the documented EX_NOTFOUND attribute

[R. David Murray]

R. David Murray  added the comment:

Perhaps this constant existed at some point on some linux systems...google 
found one comment about it referencing posix.2.  I also found it mentioned in a 
specific version of sendmail, and in bash.  When it appears it seems to most 
often have the value 127.

I suspect the mention of this constant should just be deleted from the docs.  
Google code search finds no mention of it in any sysexits.h file anywhere it 
has searched, so the chances are this constant will never be defined by Python.

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assignee:  -> d...@python
components: +Documentation -Library (Lib)
nosy: +d...@python, r.david.murray
versions: +Python 2.7, Python 3.1, Python 3.2 -Python 2.6

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[issue9933] os module does not have the documented EX_NOTFOUND attribute

[Brian Curtin]

Brian Curtin  added the comment:

The following code exists in Modules/posixmodule.c

8167 /* These come from sysexits.h */
...
8216 #ifdef EX_NOTFOUND
8217 if (ins(d, "EX_NOTFOUND", (long)EX_NOTFOUND)) return -1;
8218 #endif /* EX_NOTFOUND */


sysexits.h on my Mac has no mention of EX_NOTFOUND. I'm guessing it was removed 
some time ago or maybe it never existed? I wasn't able to find anything after a 
quick Google search.

Was there any particular reason you need EX_NOTFOUND other than that it's 
documented? Just trying to trace where this thing came from and went.

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[issue9933] os module does not have the documented EX_NOTFOUND attribute

[Kamil Kisiel]

Kamil Kisiel  added the comment:

That should have read "Linux and OS X installs of *Python*".

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[issue9933] os module does not have the documented EX_NOTFOUND attribute

[Kamil Kisiel]

New submission from Kamil Kisiel :

The library documentation (http://docs.python.org/library/os.html) states:

"""
os.EX_NOTFOUND
Exit code that means something like “an entry was not found”.

Availability: Unix.

New in version 2.3.
"""

However, on both my Linux and OS X installs of OS X this happens:

python
Python 2.6.2 (r262:71600, Oct 24 2009, 03:15:21) 
[GCC 4.4.1 [gcc-4_4-branch revision 150839]] on linux2
Type "help", "copyright", "credits" or "license" for more information.
im>>> import os
>>> os.EX_NOTFOUND
Traceback (most recent call last):
  File "", line 1, in 
AttributeError: 'module' object has no attribute 'EX_NOTFOUND'
>>> 


Unfortunately I don't have another Python version available to test with at the 
moment so I'm not sure if this affects other versions as well.

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components: Library (Lib)
messages: 117245
nosy: kisielk
priority: normal
severity: normal
status: open
title: os module does not have the documented EX_NOTFOUND attribute
type: behavior
versions: Python 2.6

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