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Custom PYTHONPATH not being seen by -m

Hello,

I am running RHEL5, with Python 2.4.3. I do not experience this
problem on my other machines, which are 2.5.

The following should demonstrate my issue:

[16:38][vince:~]$ python -m srctools.symbol_replace -h
python: module srctools.symbol_replace not found
[16:40][vince:~]$ python
Python 2.4.3 (#1, Dec 11 2006, 11:38:52)
[GCC 4.1.1 20061130 (Red Hat 4.1.1-43)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>import srctools.symbol_replace
srctools.symbol_replace
<module 'srctools.symbol_replace' from '/usr/local/pymodules/srctools/
symbol_replace.py'>
>>>
[16:41][vince:~]$ echo $PYTHONPATH
/usr/local/pymodules
Thank you,
Vince

Sep 18 '07 #1
1 1139
Vince Castellano wrote:
Hello,

I am running RHEL5, with Python 2.4.3. I do not experience this
problem on my other machines, which are 2.5.

The following should demonstrate my issue:

[16:38][vince:~]$ python -m srctools.symbol_replace -h
python: module srctools.symbol_replace not found
[16:40][vince:~]$ python
Python 2.4.3 (#1, Dec 11 2006, 11:38:52)
[GCC 4.1.1 20061130 (Red Hat 4.1.1-43)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>import srctools.symbol_replace
srctools.symbol_replace
<module 'srctools.symbol_replace' from '/usr/local/pymodules/srctools/
symbol_replace.py'>
[16:41][vince:~]$ echo $PYTHONPATH
/usr/local/pymodules
I suspect if you read "What's new in Python 2.5" you will find that the
semantics of the -m option changed between the two releases. Let me see
.... right, here it is:

"""
The -m switch added in Python 2.4 to execute a module as a script gained
a few more abilities. Instead of being implemented in C code inside the
Python interpreter, the switch now uses an implementation in a new
module, runpy.

The runpy module implements a more sophisticated import mechanism so
that it's now possible to run modules in a package such as
pychecker.checker. The module also supports alternative import
mechanisms such as the zipimport module. This means you can add a .zip
archive's path to sys.path and then use the -m switch to execute code
from the archive.
"""

(from http://docs.python.org/whatsnew/pep-338.html).

In other words, 2.4 specifically didn't allow the command line import of
package submodules.

regards
Steve
--
Steve Holden +1 571 484 6266 +1 800 494 3119
Holden Web LLC/Ltd http://www.holdenweb.com
Skype: holdenweb http://del.icio.us/steve.holden

Sorry, the dog ate my .sigline

Sep 19 '07 #2

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