def bind(self, _class, **kwargs):
key = Key(interface=_class, annotation=kwargs.get('annotated_with'))
binding = Binding()
binding.key = key
binding.scope = kwargs.get('in_scope', scopes.NO_SCOPE)
if key in self._binding_map:
self.add_error('baseclass %r already bound' % _class)
if 'to' in kwargs:
if not isinstance(kwargs['to'], type):
self.add_error('to requires a new-style class')
binding.provider = providers.create_simple_provider(kwargs['to'])
elif 'to_provider' in kwargs:
#TODO: add some validation
provider = kwargs['to_provider']
binding.provider = provider
elif 'to_instance' in kwargs:
if not isinstance(kwargs['to_instance'], object):
self.add_error('to_instance requires an instance of a '
'new-style class')
provider = kwargs['to_instance']
binding.provider = providers.create_instance_provider(provider)
self._binding_map[key] = binding
def scope(self, key, provider):
cached_provider = self._cached_provider_map.get(key)
if not cached_provider:
instance = provider.get()
cached_provider = self._cached_provider_map[key] = \
providers.create_instance_provider(instance)
return cached_provider
def bind(self, _class, **kwargs):
key = Key(interface=_class, annotation=kwargs.get('annotated_with'))
binding = Binding()
binding.key = key
binding.scope = kwargs.get('in_scope', scopes.NO_SCOPE)
if key in self._binding_map:
self.add_error('baseclass %r already bound' % _class)
if 'to' in kwargs:
if not isinstance(kwargs['to'], type):
self.add_error('to requires a new-style class')
binding.provider = providers.create_simple_provider(kwargs['to'])
elif 'to_provider' in kwargs:
#TODO: add some validation
provider = kwargs['to_provider']
binding.provider = provider
elif 'to_instance' in kwargs:
if not isinstance(kwargs['to_instance'], object):
self.add_error('to_instance requires an instance of a '
'new-style class')
provider = kwargs['to_instance']
binding.provider = providers.create_instance_provider(provider)
self._binding_map[key] = binding
def scope(self, key, provider):
class SessionProvider(object):
def get(self):
value = cherrypy.session.get(key)
if not value:
value = cherrypy.session[key] = provider.get()
return value
return create_instance_provider(SessionProvider())
def scope(self, key, provider):
class SessionProvider(object):
def get(self):
if not hasattr(cherrypy.request, '__guicy__'):
cherrypy.request.__guicy__ = {}
value = cherrypy.request.__guicy__.get(key)
if not value:
value = cherrypy.request.__guicy__[key] = provider.get()
return value
return create_instance_provider(SessionProvider())
def _dsl_to_provider(self, to, to_provider, to_instance):
if to:
#TODO: add some validation
return providers.create_simple_provider(to)
elif to_provider:
#TODO: add some validation
return to_provider
elif to_instance:
#TODO: add some validation
return providers.create_instance_provider(to_instance)
else:
raise MultiBindingError('incorrect arguments to %s.add_binding'
% self.__class__.__name__)
def bind(self, _class, **kwargs):
key = Key(interface=_class, annotation=kwargs.get('annotated_with'))
binding = Binding()
binding.key = key
scope = kwargs.get('in_scope')
if scope is not None:
if not self._scope_cache.has_key(scope):
raise errors.BindingError("'scope' has not been bound to this Binder via bind_scope")
scope = self._scope_cache[scope]
else:
scope = self._scope_cache[scopes.NO_SCOPE]
binding.scope = scope
if key in self._binding_map:
raise errors.BindingError('baseclass %r already bound' % _class)
if 'to' in kwargs:
if not isinstance(kwargs['to'], type):
raise errors.BindingError("'to' requires a new-style class")
binding.provider = providers.create_simple_provider(kwargs['to'])
elif 'to_provider' in kwargs:
#TODO: add some validation
provider = kwargs['to_provider']
binding.provider = provider
elif 'to_instance' in kwargs:
if not isinstance(kwargs['to_instance'], object):
raise errors.BindingError(
"'to_instance' requires an instance of a new-style class")
provider = kwargs['to_instance']
binding.provider = providers.create_instance_provider(provider)
self._binding_map[key] = binding
