[cctbxbb] interpreting auto generated python interface documentation

[hari jayaram]

Hi ,
I am a few days into learning to use the cctbx libraries. My interests
are mostly to be able to write scripts that plot various statistics from mtz
files and use things like iotbx.pdb to manipulate coordinate files.  While I
have managed to write a few scripts and have read the very descriptive
examples in the newsletters and the few routines inside of phenix.I have a
problem with getting much out of the python interface documentation at the
sourceforge site.

Say , for a particular class say
http://cctbx.sourceforge.net/current/python/iotbx.pdb.atom_selection.html,
the documentation  gives me a "cache" class __init__ method that says

__init__(self, root, wildcard_escape_char=r'\')

How do I find out what "root" is in this example. Should I be looking at the
c++ code to find out the "types" of these arguments.

In addition a few of the auto-generated documentation pages such as
http://cctbx.sourceforge.net/current_cvs/python/iotbx.pdb.atom.html
return an error page.

I just want to know a good way of understanding the varrious interfaces when
writing code using cctbx in Python
Thanks in advance
hari
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