Bugs item #1367183, was opened at 2005-11-26 12:42
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Category: Python Library
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Drew Perttula (drewp)
Assigned to: Nobody/Anonymous (nobody)
Summary: inspect.getdoc fails on objs that use property for __doc__
Initial Comment:
inspect.getdoc has these lines:
if not isinstance(doc, types.StringTypes):
return None
which interfere with the case where __doc__ is some
other thing that has a good __str__. I wanted to make a
lazy __doc__ that did an expensive lookup of some
external documentation only when it was str()'d, but
since doc displayers often (correctly) use
inspect.getdoc, they were getting None.
I think the intention of the test in getdoc() is to
avoid trying string operations on a __doc__ that is
None. I think that a more lenient version would allow
me to do my fancy docstrings but still solve the
'__doc__ is None' problem. Please consider the
following patch:
if doc is None:
return None
doc = str(doc)
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