rebecca.annotationmapper is viewmapper for pyramid web application. That processes annotations of view arguments.

$ pip install rebecca.annotationmapper

rebecca.annotationmapper provides include fook.

config.include('rebecca.annotationmapper')

Annotate arguments using rebecca.annotationmapper.annotations

def hello(context, request, nane: FromMatchDict):
    request.response.text = "Hello, {name}".format(name=name)
    return request.response

config.add_route("hello", "/hello/{name}")
config.add_view(hello, route_name="hello")

The argument name annotated by FromMatchDict is given value from request.matchdict['name'] by rebecca.annotationmapper.AnnotationViewMapper.

For example, you access 'http://localhost/hello/aodag' and you get message 'Hello, aodag'.

provides value from request.matchdict.

provides value from request.params.

provides value from request.session.

provides value from request.headers.

provides value from attribute of request.