decorator.py

import venusian
from .structure import RENDERER


# view decorator
class csv_method:
    def __init__(self, **kw):
        self.kw = kw

    def __call__(self, wrapped):
        kw = self.kw.copy()
        depth = kw.pop('_depth', 0)

        def callback(context, name, ob):
            config = context.config.with_package(info.module)
            config.add_view(view=ob, renderer=RENDERER, **kw)

        info = venusian.attach(
                wrapped, callback, category='pyramid', depth=depth + 1)
        if info.scope == 'class':
            # ensure that attr is set if decorating a class method
            kw.setdefault('attr', wrapped.__name__)

        kw['_info'] = info.codeinfo  # fbo action_method
        return wrapped