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From Andi Vajda <va...@apache.org>
Subject Re: [VOTE] Release PyLucene 3.5.0 rc2
Date Thu, 08 Dec 2011 17:23:41 GMT

On Dec 8, 2011, at 9:11, Bill Janssen <janssen@parc.com> wrote:

> Andi Vajda <vajda@apache.org> wrote:
> 
>> 
>> On Wed, 7 Dec 2011, Bill Janssen wrote:
>> 
>>> This part of the PyLucene Makefile is still screwed up:
>>> 
>>> # Mac OS X 10.5 (32-bit Python 2.5, Java 1.5)
>>> #PREFIX_PYTHON=/usr
>>> #ANT=ant
>>> #PYTHON=$(PREFIX_PYTHON)/bin/python
>>> #JCC=$(PYTHON) -m jcc --shared
>>> #NUM_FILES=4
>>> 
>>> The way that jcc/__init__.py is now written, there's no way to invoke it
>>> with "-m jcc", even on Python versions where that's supposed to work.
>>> The last line, "_jcc.CLASSPATH = CLASSPATH" will always fail, because "_jcc"
>>> isn't imported anywhere.
>> 
>> I'm a bit confused about how this can or cannot work.
>> For whatever it's worth, with Python 2.7, running with -m jcc works
>> fine here.
>> 
>> That being said, I don't see how this statement:
>> _jcc.CLASSPATH = CLASSPATH
>> 
>> can work at all since there is nothing visibly importing _jcc.
>> Something puts it there, though, because it works.
>> 
>> Can you shed some light on this ?
>> 
>> ... debugging a bit further ... via pdb ...
>> 
>> Apparently, the statement:
>>   from _jcc import initVM
>> 
>> causes the _jcc symbol to appear.
> 
> That seems broken.  Certainly shouldn't work that way.
> 
>> This could be a side-effect of setuptools. I vaguely remember someone
>> saying that this didn't work with distutils only.
> 
> Yes, I could see that.  setuptools plays all kinds of games to achieve
> its ends, some of them broken.  Thank heaven for distutils2/packaging.

What ? another 'dist' thing ?
So that leaves us with distutils 1, 2, setuptools and distribute. My information may be incomplete,
out of date or incorrect, of course :-)

>> If you can reproduce the failure, does adding a line before if __name__ ...:
>>  import _jcc
>> 
>> solve the problem for you ?
> 
> No, I get an import error there -- apparently the relative import isn't
> seen/found:
> 
> Traceback (most recent call last):
>  File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/runpy.py",
line 95, in run_module
>    filename, loader, alter_sys)
>  File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/runpy.py",
line 52, in _run_module_code
>    mod_name, mod_fname, mod_loader)
>  File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/runpy.py",
line 32, in _run_code
>    exec code in run_globals
>  File "/Library/Python/2.5/site-packages/JCC-2.12-py2.5-macosx-10.5-i386.egg/jcc/__init__.py",
line 31, in <module>
>    import _jcc
> ImportError: No module named _jcc
> make: *** [compile] Error 255
> 
> 
> But using
> 
>  import jcc._jcc
> 
> does work.  Wonder if that works on Python 2.7, too?

Let me give this a try....

Andi..


> 
> Bill

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