[Zope] Re: Ape 0.7 - prob. installing

[Larry J. C. Prikockis]

On Wed, 13 Aug 2003 15:24:24 -0400, Larry J. C. Prikockis wrote:

> I'm no doubt missing something silly, but Ape 0.6 worked and now 0.7 is
> giving me troubles.
> 
> Here's the specifics:   Zope 2.6.2b4 on RH Linux 9.  I have Ape 0.7 and
> DBTab 1.2 installed.  and actually, Zope starts up fine if I remove the
> DBTab.conf and custom_zodb.py files from my instance root.
> 
> WITH those files configured according to the instructions (pretty much
> the defaults) though, I get the following traceback when starting Zope:
> 
> 2003-08-13T15:22:49 PANIC(300) z2 Startup exception Traceback (innermost
> last):
>   File /usr/local/zope/Zope/z2.py, line 585, in ? File
>   /usr/local/zope/Zope/lib/python/Zope/__init__.py, line 46, in startup
>     (Object: startup)
>   File /usr/local/zope/Zope/lib/python/Zope/App/startup.py, line 56, in
>   startup File /usr/local/zope/Zope/custom_zodb.py, line 19, in ? File
>   /usr/local/zope/Zope/lib/python/Products/DBTab/MainConfiguration.py,
>   line 29, in ? File
>   /usr/local/zope/Zope/lib/python/Products/DBTab/DBTab.py, line 260, in
>   __init__ File /usr/local/zope/Zope/lib/python/Products/DBTab/DBTab.py,
>   line 392, in _readConfig File
>   /usr/local/zope/Zope/lib/python/Products/DBTab/DBTab.py, line 93, in
>   setStorageParams File
>   /usr/local/zope/Zope/lib/python/Products/Ape/lib/apelib/zope2/setup/dbtab.py,
>   line 24, in convertApeStorageArgs File
>   /usr/local/zope/Zope/lib/python/Products/Ape/lib/apelib/zodb3/db.py,
>   line 42, in callMapperFactory File
>   /usr/local/zope/Zope/lib/python/Products/Ape/lib/apelib/zope2/mapper.py,
>   line 52, in createFSMapper File
>   /usr/local/zope/Zope/lib/python/Products/Ape/lib/apelib/zope2/mapper.py,
>   line 38, in createMapper File
>   /usr/local/zope/Zope/lib/python/Products/Ape/lib/apelib/config/apeconf.py,
>   line 485, in wireMapper File
>   /usr/local/zope/Zope/lib/python/Products/Ape/lib/apelib/config/common.py,
>   line 112, in read File
>   /usr/local/zope/Zope/lib/python2.1/site-packages/_xmlplus/sax/__init__.py,
>   line 31, in parse File
>   /usr/local/zope/Zope/lib/python2.1/site-packages/_xmlplus/sax/expatreader.py,
>   line 109, in parse File
>   /usr/local/zope/Zope/lib/python2.1/site-packages/_xmlplus/sax/xmlreader.py,
>   line 123, in parse File
>   /usr/local/zope/Zope/lib/python2.1/site-packages/_xmlplus/sax/expatreader.py,
>   line 216, in feed File
>   /usr/local/zope/Zope/lib/python2.1/site-packages/_xmlplus/sax/expatreader.py,
>   line 312, in start_element File
>   /usr/local/zope/Zope/lib/python/Products/Ape/lib/apelib/config/common.py,
>   line 97, in startElement File
>   /usr/local/zope/Zope/lib/python/Products/Ape/lib/apelib/config/apeconf.py,
>   line 192, in handle_serializer
> NameError: global name 'handle_component' is not defined
> 
> anyone have a clue what I managed to break? thanks- Larry
> 
> 
well, I answered my own question this time... turns out the problem
relates to statically nested scopes... apeconf.py apparently works just
fine in python 2.2+, but fails in 2.1.x unless the nest_scope option is
turned on (it's standard in 2.2).

An addition of "from __future__ import nested_scope"
to the top of apeconf.py fixes it nicely for 2.1.

works like a charm now!

-Larry