[Zope3-Users] Re: ZCML directives/InterfaceField?

[Andreas Jung]

Tnx, works like a charm.

-aj

--On 2. September 2007 13:08:57 +0200 Philipp von Weitershausen 
<philipp at weitershausen.de> wrote:

> Andreas Jung wrote:
>> I need to write a custom ZCML directive that takes a list of interfaces
>> - something like
>>
>>   interfaces="Products.Foo.intefaces.IXXX,
>> Products.Foo.interfaces.IYYY,..."
>
> We usually do it without the comma, just separated by whitespace.
>
>> What is the recommended way to specify 'interfaces' within the schema
>> definition (as InterfaceField or as TextLine)?
>>
>> InterfaceField did not work out-of-the-box complaining about a missing
>> fromUnicode attribute.
>>
>> With a TextLine: what is the recommended way to get hold of the interface
>> represented by a string? Is there some magic available somewhere in Zope
>> 3?
>
> You won't ever have to resolve an interface name yourself. We have fields
> for this. Here's the field definition for your use case above (multiple
> interfaces separated by whitespace):
>
>
>      interfaces = zope.configuration.fields.Tokens(
>          title=...,
>          description=...,
>          required=True,
>          value_type=zope.configuration.fields.GlobalInterface()
>          )
>
>
>
> --
> http://worldcookery.com -- Professional Zope documentation and training



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