[tahoe-dev] startup error after upgrade

[Greg Troxel]

"Daira Hopwood (formerly David-Sarah)" <david-sarah at jacaranda.org>
writes:

>> * The build incorrectly reaches into installed eggs.  While the bad-mode
>>   version is installed, I went to rebuild and got:
>> 
>>   File "/usr/ANONCVS/pkgsrc/filesystems/tahoe-lafs/work/allmydata-tahoe-1.10a1/setuptools-0.6c16dev4.egg/pkg_resources.py", line 1315, in _get
>>     stream = open(path, 'rb')
>>   IOError: [Errno 13] Permission denied: '/usr/pkg/lib/python2.7/site-packages/allmydata_tahoe-1.10a1-py2.7.egg-info/entry_points.txt'
>> *** Error code 1
>> 
>>   This is a serious bug because the previously-installed version affects
>>   the build.
>
> This is ticket #1258. It's a design flaw in setuptools and/or the
> Python import mechanism; the cause is explained at
> <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1246#comment:6> and
> subsequent comments. Unfortunately it's rather difficult to fix, even
> knowing the cause.

I see, and now I dimly remember.  I put a note in the pkgsrc control
file (to be committed with 1.10) to remind myself and others.
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