Re: [Zope-dev] zope.component: calling an Interface and calling queryAdapter give differing results

19 Aug 2008


      Chris Withers wrote:
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From a user's perspective, this makes no sense:
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from zope.interface import implements,Interface
from zope.component import queryAdapter
class ISomething(Interface): pass
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class MyClass: implements(ISomething)
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m = MyClass()
Right, so this does make sense:
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ISomething(m)
<__main__.MyClass instance at 0x00BED6E8>
This does not:
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repr(queryAdapter(m,ISomething))
'None'
Looks like a bug to me.  If the object passed as the first argument to 
queryAdapter() implements the interface passed as the second argument, I 
believe queryAdapter() should return the object, regardless of any 
component registrations.

Shane

Re: [Zope-dev] zope.component: calling an Interface and calling queryAdapter give differing results

Shane Hathaway