dicking around with sudobangbang. looking at different implementations of sean gillies proposed `__geo_interface__` https://gist.github.com/sgillies/2217756

gistfile1.txt

>>> from shapely.geometry import mapping, shape
>>> from shapely.geometry import Point

# Create a class that has a __geo_interface__
>>> class MattPoint(object):
...     __geo_interface__ = {'type': 'Point', 'coordinates': (0.0, 0.0)}
...
>>> myPoint = MattPoint()
>>> myPoint.__geo_interface__
{'type': 'Point', 'coordinates': (0.0, 0.0)}
>>> shape(myPoint).buffer(5.0).area
78.41371226364848

# Create a class w/ the same value assigned to a different variable name
>>> class ModPoint(object):
...     __mod_geo_interface__ = {'type': 'Point', 'coordinates': (0.0, 0.0)}
...
>>> myModPoint = ModPoint()
>>> myModPoint.__mod_geo_interface__
{'type': 'Point', 'coordinates': (0.0, 0.0)}
>>> shape(myModPoint).buffer(5.0).area
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/rdi/virtualenvs/gpstracker/local/lib/python2.7/site-packages/shapely/geometry/geo.py", line 28, in shape
    geom_type = ob.get("type").lower()
AttributeError: 'ModPoint' object has no attribute 'get'

# Multiple Inheritance, get both methods
>>> class MergedPoint(MattPoint, ModPoint):
...     pass
>>> myMergedPoint = MergedPoint()
>>> shape(myMergedPoint).buffer(5.0).area
78.41371226364848