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]uh|Kh}hhXIThis file gives more subscription examples using a cooking-based example:qh~hvh]q‘h‡XIThis file gives more subscription examples using a cooking-based example:q’…q“}q”(hhh~hŒubaubcdocutils.nodes
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>>> from zope.interface.adapter import AdapterRegistry
>>> registry = AdapterRegistry()

>>> import zope.interface
>>> class IAnimal(zope.interface.Interface):
...     pass
>>> class IPoultry(IAnimal):
...     pass
>>> class IChicken(IPoultry):
...     pass
>>> class ISeafood(IAnimal):
...     passh~hvh]qŸh‡X+
>>> from zope.interface.adapter import AdapterRegistry
>>> registry = AdapterRegistry()

>>> import zope.interface
>>> class IAnimal(zope.interface.Interface):
...     pass
>>> class IPoultry(IAnimal):
...     pass
>>> class IChicken(IPoultry):
...     pass
>>> class ISeafood(IAnimal):
...     passq …q¡}q¢(hUh~h–ubaubh‹)q£}q¤(hhhhŽh}q¥(h
]h	]h]h]h
]uh|Kh}hhXfAdapting to some other interface for which there is no
subscription adapter returns an empty sequence:q¦h~hvh]q§h‡XfAdapting to some other interface for which there is no
subscription adapter returns an empty sequence:q¨…q©}qª(hh¦h~h£ubaubh•)q«}q¬(hhhh˜h}q­(h	]hšh›h
]UtestnodetypeXdoctesth
]Ugroups]q®hah]hž}h]uh|Kh}hhXî>>> class IRecipe(zope.interface.Interface):
...     pass
>>> class ISausages(IRecipe):
...     pass
>>> class INoodles(IRecipe):
...     pass
>>> class IKFC(IRecipe):
...     pass

>>> list(registry.subscriptions([IPoultry], IRecipe))
[]h~hvh]q¯h‡Xî>>> class IRecipe(zope.interface.Interface):
...     pass
>>> class ISausages(IRecipe):
...     pass
>>> class INoodles(IRecipe):
...     pass
>>> class IKFC(IRecipe):
...     pass

>>> list(registry.subscriptions([IPoultry], IRecipe))
[]q°…q±}q²(hUh~h«ubaubh‹)q³}q´(hhhhŽh}qµ(h
]h	]h]h]h
]uh|K(h}hhX unless we define a subscription:q¶h~hvh]q·h‡X unless we define a subscription:q¸…q¹}qº(hh¶h~h³ubaubh•)q»}q¼(hhhh˜h}q½(h	]hšh›h
]UtestnodetypeXdoctesth
]Ugroups]q¾hah]hž}h]uh|K*h}hhX}>>> registry.subscribe([IAnimal], ISausages, 'sausages')
>>> list(registry.subscriptions([IPoultry], ISausages))
['sausages']h~hvh]q¿h‡X}>>> registry.subscribe([IAnimal], ISausages, 'sausages')
>>> list(registry.subscriptions([IPoultry], ISausages))
['sausages']qqÁ}qÂ(hUh~h»ubaubh‹)qÃ}qÄ(hhhhŽh}qÅ(h
]h	]h]h]h
]uh|K0h}hhX(And define another subscription adapter:qÆh~hvh]qÇh‡X(And define another subscription adapter:qȅqÉ}qÊ(hhÆh~hÃubaubh•)qË}qÌ(hhhh˜h}qÍ(h	]hšh›h
]UtestnodetypeXdoctesth
]Ugroups]qÎhah]hž}h]uh|K2h}hhXQ
>>> registry.subscribe([IPoultry], INoodles, 'noodles')
>>> meals = list(registry.subscriptions([IPoultry], IRecipe))
>>> meals.sort()
>>> meals
['noodles', 'sausages']

>>> registry.subscribe([IChicken], IKFC, 'kfc')
>>> meals = list(registry.subscriptions([IChicken], IRecipe))
>>> meals.sort()
>>> meals
['kfc', 'noodles', 'sausages']h~hvh]qÏh‡XQ
>>> registry.subscribe([IPoultry], INoodles, 'noodles')
>>> meals = list(registry.subscriptions([IPoultry], IRecipe))
>>> meals.sort()
>>> meals
['noodles', 'sausages']

>>> registry.subscribe([IChicken], IKFC, 'kfc')
>>> meals = list(registry.subscriptions([IChicken], IRecipe))
>>> meals.sort()
>>> meals
['kfc', 'noodles', 'sausages']qЅqÑ}qÒ(hUh~hËubaubh‹)qÓ}qÔ(hhhhŽh}qÕ(h
]h	]h]h]h
]uh|K@h}hhX*And the answer for poultry hasn't changed:qÖh~hvh]q×h‡X*And the answer for poultry hasn't changed:q؅qÙ}qÚ(hhÖh~hÓubaubh•)qÛ}qÜ(hhhh˜h}qÝ(h	]hšh›h
]UtestnodetypeXdoctesth
]Ugroups]qÞhah]hž}h]uh|KBh}hhXp>>> meals = list(registry.subscriptions([IPoultry], IRecipe))
>>> meals.sort()
>>> meals
['noodles', 'sausages']h~hvh]qßh‡Xp>>> meals = list(registry.subscriptions([IPoultry], IRecipe))
>>> meals.sort()
>>> meals
['noodles', 'sausages']qŁqá}qâ(hUh~hÛubaubeubsUsymbol_footnotesqã]qähhUindirect_targetsqå]qæUsubstitution_namesqç}qèUcurrent_lineqéNUsubstitution_defsqê}qëUsymbol_footnote_startqìKUautofootnote_startqíK
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