[issue935117] pkgutil doesn't understand case-senseless filesystems

[Ankur Ankan]

Changes by Ankur Ankan :


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nosy: +Ankur.Ankan

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[issue935117] pkgutil doesn't understand case-senseless filesystems

[Éric Araujo]

Éric Araujo added the comment:

With the advent of implicit namespace packages in 3.3, I don’t know if anything 
in pkgutil will be done for this use case.

(BTW is it normal that pkgutil.extend_path is not at least doc-deprecated?)

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nosy: +eric.araujo, eric.smith

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[issue935117] pkgutil doesn't understand case-senseless filesystems

[Anthony Kong]

Changes by Anthony Kong :


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nosy: +Anthony.Kong

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[issue935117] pkgutil doesn't understand case-senseless filesystems

[Terry J. Reedy]

Changes by Terry J. Reedy :


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versions: +Python 3.3 -Python 2.7, Python 3.1, Python 3.2

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[issue935117] pkgutil doesn't understand case-senseless filesystems

[Éric Araujo]

Changes by Éric Araujo :


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versions: +Python 3.1, Python 3.2

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[issue935117] pkgutil doesn't understand case-senseless filesystems

[Fred L. Drake, Jr.]

Changes by Fred L. Drake, Jr. :


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[issue935117] pkgutil doesn't understand case-senseless filesystems

[Fred L. Drake, Jr.]

Fred L. Drake, Jr.  added the comment:

Antoine: I agree programmers shouldn't try to create situations like this.

Consider however an application assembled using a build tool like
zc.buildout, which installs each package into a separate installation
location (based on setuptools and easy_install).  If the application
uses several packages from the "foo" namespace (to keep with the
original names from the report), there will be directories matching the
first and third packages from the example.

Now, further development on the application may cause a 3rd-party
package named Foo to be used.  This name is not the application
programmer's to select, and the volume of code from the "foo" namespace
may be too large to modify; it may represent 3rd party code (for
example, the "zope" namespace package contains many widely used
examples; if used at all, many are likely to be used).

So I think the original use case stands, and may even be more important
than ever given the widespread use of "namespace" packages.

This also suggests that developers should check for the existence of
packages of similar name before releasing code, in order to avoid this
situation.

(I'm disassociating msg20510, since roundup doesn't screw up the tree in
the original report, so that message no longer adds anything useful.)

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[issue935117] pkgutil doesn't understand case-senseless filesystems

[Antoine Pitrou]

Antoine Pitrou  added the comment:

Perhaps it's just me, but Fred's use case looks horrible.
If you have three packages named "foo", "Foo" and "foo", all of which
reachable through sys.path on a case-insensitive filesystem, I'm not
sure how to expect Python to make sense out of the situation.
IMHO, the only reasonable solution is to fix the package names...

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[issue935117] pkgutil doesn't understand case-senseless filesystems

[Daniel Diniz]

Changes by Daniel Diniz :


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nosy: +tarek
stage:  -> test needed
versions: +Python 2.7 -Python 2.5, Python 2.6

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[issue935117] pkgutil doesn't understand case-senseless filesystems

[Christian Heimes]

Christian Heimes added the comment:

Fred, do you still want to fix the bug?

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type:  -> rfe
versions: +Python 2.5, Python 2.6 -Python 2.3


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