formations/python/python2/formation/snippets/patrons.py

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class NotFoundError(Exception):
pass
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class MaClasse:
pass
class MaClasseDeux:
pass
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binding = dict(un=MaClasse, deux=MaClasseDeux)
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def ma_factory(key):
if key in binding:
return binding[key]()
else:
return NotFoundError("keskece?")