Custom Decorator for View Method in Pyramid 1.3

gistfile1.py

import sys
from pyramid.view import view_config
from venusian import ATTACH_ATTR      # view_config() uses 'venusian' module internally


##
## utility
##
def view_method(fn, **kwargs):
    # get frame of class definition
    classdef_frame = sys._getframe(2)
    classdef_globals = classdef_frame.f_globals
    classdef_locals  = classdef_frame.f_locals
    # set '__module__' var (necessary for 'venusian' module)
    __module__ = classdef_globals.get('__name__')
    # set hidden local var (necessary for 'venusian' module)
    k = ATTACH_ATTR
    if k in classdef_locals:
        locals()[k] = classdef_locals[k]
    #
    kwargs['attr'] = fn.__name__
    fn = view_config(**kwargs)(fn)
    # set hidden local var (necessary for 'venusian' module)
    if k not in classdef_locals:
        classdef_locals[k] = locals()[k]
    return fn


##
## custom decorator for view method
##
def GET(route_name, template):
    request_method = 'GET'
    def deco(func):
        def fn(self):
            # ... do something here ...
            return func(self)
        fn.__name__ = func.__name__     # IMPORTANT!
        fn.__doc__  = func.__doc__
        #
        return view_method(fn,
                           route_name=route_name, request_method=request_method,
                           renderer='templates/'+template)
    return deco


##
## example of view method
##
class HelloView(object):

    def __init__(self, request):
        self.request = request

    #@view_config(route_name='hello', renderer='templates/hello.pt')
    @GET('hello', 'hello.pt')
    def hello(self):
        return {'title': 'Hello!'}