zopefoundation / grokcore.view / 16248935885

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/src/grokcore/view/tests/base/contentprovider/contentprovider_references.py
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"""A grok.ContentProvider instance has references to the components it was
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registered for::
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  >>> grok.testing.grok(__name__)
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  >>> from zope import component
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  >>> from zope.contentprovider.interfaces import IContentProvider
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  >>> from zope.publisher.browser import TestRequest
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  >>> ctxt = AContext()
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  >>> request = TestRequest()
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  >>> view = component.getMultiAdapter((ctxt, request), name='a_view')
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  >>> provider = component.getMultiAdapter(
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  ...     (ctxt, request, view), IContentProvider, name='a_content_provider')
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  >>> provider.context is ctxt
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  True
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  >>> provider.view is view
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  True
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  >>> provider.request is request
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  True
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  >>> print(provider.render())
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  I provide some content for a view
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You can use the helper method render_provider to directly find and
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render it:
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  >>> print(grok.render_provider(ctxt, request, view, 'a_content_provider'))
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  I provide some content for a view
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"""
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import grokcore.view as grok




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class AContext(grok.Context):




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    pass




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class AView(grok.View):




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    grok.name('a_view')




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    def render(self):




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        return ""




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class AContentProvider(grok.ContentProvider):




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    grok.name('a_content_provider')




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    def render(self):




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        return "I provide some content for a view"




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