Re: pyobjc 2.3 install fails

On 9 Dec, 2010, at 17:09, Mark Sienkiewicz wrote:

> Thanks for the clarification on those un-important errors.
> 
>>>>>> import pyobjc
>>> Traceback (most recent call last):
>>> File "<stdin>", line 1, in <module>
>>> ImportError: No module named pyobjc
>> That's expected. Use 'import objc' instead.
> 
> Oh - sorry.  (I'm not the user of this package; I just install things.)

No need to apologize.
> 
> 
>> You seem the end up with a complete installation. Does 'import Foundation' or 'import AppKit' work?
> 
> I get this now from pyobjc 2.3:
> 
>>>> import objc
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_core-2.3-py2.7-macosx-10.4-i386.egg/objc/__init__.py", line 24, in <module>
>   _update()
> File "/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_core-2.3-py2.7-macosx-10.4-i386.egg/objc/__init__.py", line 21, in _update
>   import objc._objc as _objc
> ImportError: dlopen(/Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_core-2.3-py2.7-macosx-10.4-i386.egg/objc/_objc.so, 2): Symbol not found: _PyMac_Error
> Referenced from: /Users/sienkiew/py/lib/python2.7/site-packages/pyobjc_core-2.3-py2.7-macosx-10.4-i386.egg/objc/_objc.so
> Expected in: dynamic lookup
> 
> Foundation and AppKit both start to import, but they get this same exception when they try to import objc.

That's one error I hadn't expected.  Which python do you use?   Are you using a prebuilt binary from the python.org website or something else? 

What's the output of this code:

:>>> import sysconfig
:>>> print sysconfig.get_config_var('USE_TOOLBOX_OBJECT_GLUE')

I'd expect that this prints None on your system, which is a configuration I haven't tested in a long while. 

> 
> With pyobjc 2.2 it is a different symbol:
> 
>>>> import objc
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_core-2.2-py2.7-macosx-10.4-i386.egg/objc/__init__.py", line 22, in <module>
>   _update()
> File "/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_core-2.2-py2.7-macosx-10.4-i386.egg/objc/__init__.py", line 19, in _update
>   import _objc
> ImportError: dlopen(/Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_core-2.2-py2.7-macosx-10.4-i386.egg/objc/_objc.so, 2): Symbol not found: _CFMutableArrayRefObj_New
> Referenced from: /Users/sienkiew/py2/lib/python2.7/site-packages/pyobjc_core-2.2-py2.7-macosx-10.4-i386.egg/objc/_objc.so
> Expected in: dynamic lookup
> 
> 
> Normally, I would go hunting for the references to the missing symbols and I would look for where they came from, but as far as I can tell, easy_install does not leave any source code behind.  Is there a normal source distribution I can download, so I can see what the code does?
> 
> ( Actually, that hints at my next question:  Is it possible to install pyobjc from a local copy of the software -- e.g. while not connected to the internet?  Eventually, I have to take this to systems with more strict configuration control. )

There are source archives for all bits of pyobjc on PyPI.  I don't have an archive with all of PyObjC at this time.

The setup.py file for 'pyobjc' itself contains a list of subprojects, if you install the source archives for the subprojects in the order they are listed there you should be able to install without an internet connection. 

Ronald


> 
> Mark
>

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