def __call__(self, econtext):
name = StringExpr.__call__(self, econtext)
context = econtext.vars['context']
request = econtext.vars['request']
view = econtext.vars['view']
# Try to look up the provider.
provider = zope.component.queryMultiAdapter(
(context, request, view), interfaces.IContentProvider, name)
# Provide a useful error message, if the provider was not found.
if provider is None:
raise interfaces.ContentProviderLookupError(name)
if getattr(provider, '__of__', None) is not None:
provider = provider.__of__(context)
# Insert the data gotten from the context
addTALNamespaceData(provider, econtext)
# Stage 1: Do the state update.
provider.update()
# Stage 2: Render the HTML content.
return provider.render()
def __call__(self, econtext):
name = super(ProviderExpression, self).__call__(econtext)
view = econtext.vars['view']
context = view.context
request = view.request
# Try to look up the provider.
provider = zope.component.queryMultiAdapter(
(context, request, view), interfaces.IContentProvider, name)
# Provide a useful error message, if the provider was not found.
if provider is None:
raise interfaces.ContentProviderLookupError(name)
# add the __name__ attribute if it implements ILocation
if ILocation.providedBy(provider):
provider.__name__ = name
# Insert the data gotten from the context
addTALNamespaceData(provider, econtext)
# Stage 1: Do the state update.
zope.event.notify(interfaces.BeforeUpdateEvent(provider, request))
provider.update()
# Stage 2: Render the HTML content.
return provider.render()
def __call__(self, econtext):
name = super(Z2ProviderExpression, self).__call__(econtext)
context = econtext.vars['context']
request = econtext.vars['request']
view = econtext.vars['view']
# Try to look up the provider.
provider = zope.component.queryMultiAdapter(
(context, request, view), cp_interfaces.IContentProvider, name)
# Provide a useful error message, if the provider was not found.
if provider is None:
raise cp_interfaces.ContentProviderLookupError(name)
# XXX We can either wrap this in the context and have three test
# failures in directives.txt or wrap it in the view (aka our
# __parent__) and have one test failure in provider.txt which also
# happens when we don't wrap this at all anymore :(
# Removing all the AQ-wrapping is probably the way to go here.
if getattr(provider, '__of__', None) is not None:
provider = provider.__of__(context)
# Insert the data gotten from the context
addTALNamespaceData(provider, econtext)
# Stage 1: Do the state update.
provider.update()
# Stage 2: Render the HTML content.
return provider.render()
def render(self, scriptingContext, name, **kwargs):
"""
The code is took from Products.five.browser.providerexpression.
@param scriptingContext: Instance of collective.templateengines.interfaces.ITemplateContext
"""
# Get traversing context
mappings = scriptingContext.getMappings()
context = mappings["context"]
request = mappings["request"]
class Dummy(BrowserView):
pass
context = context
request = request
view = Dummy(context, request)
view = view.__of__(context)
# Try to look up the provider.
provider = zope.component.queryMultiAdapter(
(context, request, view), cp_interfaces.IContentProvider, name)
# Provide a useful error message, if the provider was not found.
if provider is None:
raise cp_interfaces.ContentProviderLookupError(
"Cannot find content provider:" + name)
if getattr(provider, '__of__', None) is not None:
provider = provider.__of__(context)
# Stage 1: Do the state update.
provider.update()
# Stage 2: Render the HTML content.
return provider.render()