[Mailman-Developers] 3.0.0b1 fails bootstrap.py on Mountain Lion

[Terri Oda]

I haven't upgraded to Mountain Lion yet myself so I can't test, but if 
it's helpful, I can at least confirm that I did a new install on Lion 
about two weeks ago and it worked, so it's probably something specific 
to Mountain Lion or your machine's setup, not a problem with macos more 
generally.

The weird thing is that it looks like it's actually barfing on parsing 
the version number itself, which makes me wonder if maybe mountain 
lion's reporting the version in a slightly different syntax than 
expected or something doesn't think it's available for that version 
number.

It might be worth installing a fresh version of python in case there's 
just something up with the version macos provides, and I *did* have some 
problem with the wrong version of setuptools that required me to clear 
/Library/Python/2.7/site-packages/ before bootstrap.py would behave 
properly (See http://terriko.dreamwidth.org/104072.html for my note to 
self on what went wrong with bootstrap.py in my case).  The latter seems 
unlikely on a fresh install, but trying it doesn't hurt anything since 
bootstrap will just redownload those packages.

  Terri

On 09/06/2012 12:11 PM, G B wrote:
> I initially posted this to mailman-users, but it was suggested that this would be a better list.
>
> I'm installing Mailman for the first time, and chose to try the beta.  I'm installing on a Mountain Lion Server, that was cleanly installed.   I've since updated the OS to 10.8.1
>
> I got as far as 'python bootstrap.py' and it failed immediately with the following traceback:
>
> ————————————————————————--
> Traceback (most recent call last):
>   File "bootstrap.py", line 157, in <module>
>     import pkg_resources
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/../../Extras/lib/python/pkg_resources.py", line 698, in <module>
>     class Environment(object):
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/../../Extras/lib/python/pkg_resources.py", line 701, in Environment
>     def __init__(self, search_path=None, platform=get_supported_platform(), python=PY_MAJOR):
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/../../Extras/lib/python/pkg_resources.py", line 99, in get_supported_platform
>     plat = 'macosx-%s-%s' % ('.'.join(_macosx_vers()[:2]), m.group(3))
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/../../Extras/lib/python/pkg_resources.py", line 209, in _macosx_vers
>     _cache.append(mac_ver()[0].split('.'))
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/platform.py", line 803, in mac_ver
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/platform.py", line 780, in _mac_ver_xml
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plistlib.py", line 78, in readPlist
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plistlib.py", line 406, in parse
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plistlib.py", line 418, in handleEndElement
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plistlib.py", line 452, in end_key
>   File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plistlib.py", line 436, in getData
> LookupError: unknown encoding: ascii
> ——————————————————————————
>
> FWIW, I can open an interactive Python session and execute "import pkg_resources"  from the command line without error.
>
> Any ideas?
>
> Thanks—
> Greg
>
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