def test_subclass_mutate_before_providedBy(self):
from pyramid.interfaces import IRequest
from pyramid.request import Request
from pyramid.util import InstancePropertyHelper
class RequestSub(Request):
pass
req = RequestSub({})
helper = InstancePropertyHelper()
helper.apply_properties(req, {'b': 'b'})
self.assertTrue(IRequest.providedBy(req))
self.assertTrue(IRequest.implementedBy(RequestSub))
def test_subclass_mutate_before_providedBy(self):
from pyramid.interfaces import IRequest
from pyramid.request import Request
from pyramid.util import InstancePropertyHelper
class RequestSub(Request):
pass
req = RequestSub({})
helper = InstancePropertyHelper()
helper.apply_properties(req, {'b': 'b'})
self.assertTrue(IRequest.providedBy(req))
self.assertTrue(IRequest.implementedBy(RequestSub))
def apply_request_extensions(request, extensions=None):
"""Apply request extensions (methods and properties) to an instance of
:class:`pyramid.interfaces.IRequest`. This method is dependent on the
``request`` containing a properly initialized registry.
After invoking this method, the ``request`` should have the methods
and properties that were defined using
:meth:`pyramid.config.Configurator.add_request_method`.
"""
if extensions is None:
extensions = request.registry.queryUtility(IRequestExtensions)
if extensions is not None:
for name, fn in iteritems_(extensions.methods):
method = fn.__get__(request, request.__class__)
setattr(request, name, method)
InstancePropertyHelper.apply_properties(request,
extensions.descriptors)
def apply_request_extensions(request, extensions=None):
"""Apply request extensions (methods and properties) to an instance of
:class:`pyramid.interfaces.IRequest`. This method is dependent on the
``request`` containing a properly initialized registry.
After invoking this method, the ``request`` should have the methods
and properties that were defined using
:meth:`pyramid.config.Configurator.add_request_method`.
"""
if extensions is None:
extensions = request.registry.queryUtility(IRequestExtensions)
if extensions is not None:
for name, fn in iteritems_(extensions.methods):
method = fn.__get__(request, request.__class__)
setattr(request, name, method)
InstancePropertyHelper.apply_properties(
request, extensions.descriptors)
def test_subclass_with_implementer(self):
from pyramid.interfaces import IRequest
from pyramid.request import Request
from pyramid.util import InstancePropertyHelper
from zope.interface import implementer
@implementer(IRequest)
class RequestSub(Request):
pass
self.assertTrue(hasattr(Request, '__provides__'))
self.assertTrue(hasattr(Request, '__implemented__'))
self.assertTrue(hasattr(Request, '__providedBy__'))
self.assertTrue(hasattr(RequestSub, '__provides__'))
self.assertTrue(hasattr(RequestSub, '__providedBy__'))
self.assertTrue(hasattr(RequestSub, '__implemented__'))
req = RequestSub({})
helper = InstancePropertyHelper()
helper.apply_properties(req, {'b': 'b'})
self.assertTrue(IRequest.providedBy(req))
self.assertTrue(IRequest.implementedBy(RequestSub))
def test_subclass_with_implementer(self):
from pyramid.interfaces import IRequest
from pyramid.request import Request
from pyramid.util import InstancePropertyHelper
from zope.interface import implementer
@implementer(IRequest)
class RequestSub(Request):
pass
self.assertTrue(hasattr(Request, '__provides__'))
self.assertTrue(hasattr(Request, '__implemented__'))
self.assertTrue(hasattr(Request, '__providedBy__'))
self.assertTrue(hasattr(RequestSub, '__provides__'))
self.assertTrue(hasattr(RequestSub, '__providedBy__'))
self.assertTrue(hasattr(RequestSub, '__implemented__'))
req = RequestSub({})
helper = InstancePropertyHelper()
helper.apply_properties(req, {'b': 'b'})
self.assertTrue(IRequest.providedBy(req))
self.assertTrue(IRequest.implementedBy(RequestSub))
