Re: Exception: Bad cache directory: 'cache' when trying to load bit pim on Mac OS X 10.3.9

>   File "com_brew.pyo", line 659, in _check_path

The code in that module doesn't make sense.  It is
initialised with <<self.config.Read('path', '')>> in
gui.py.

However for first time users the preferences haven't been
established yet when that code is called and so the '' part
gets used which uses whatever happens to be the current
working directory.  For this user things failed because
they were on a read only volume.  For other users, they
will end up with a directory named 'cache' somewhere.

The following changes should be made:

 - Include a do nothing version of the cache object and
   have that used by default

 - In the preferences code (which always runs on app init)
   create the cache object that does something.  That will
   also ensure the cache moves if the user changes where
   they point their data directory.

Roger


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