class Sample(object):
"""Show how to add support for abbreviated long names to an object.
>>> sample = Sample()
>>> sample.__dict__
{'x': 1, 'xylophone': 2, 'verylongname': 20}
>>> sample.x
1
>>> sample.xylophone
2
>>> sample.xy
2
>>> sample.v
20
>>> sample.z
Traceback (most recent call last):
AttributeError
"""
def __init__(self):
self.x = 1
self.xylophone = 2
self.verylongname = 20
def __getattr__(self,attr):
if attr in self.__dict__:
return self.__dict__[attr]
else:
choices = [a for a in self.__dict__ if a.startswith(attr)]
if len(choices)==1:
return self.__dict__[choices[0]]
else:
raise AttributeError
if __name__=="__main__":
import doctest,recipe
doctest.testmod(recipe)
