Moving from Python 2 -> 3 and hit snag with webob and JSON serializer, pickle works about webob HOT 5 CLOSED

from pyramid.config import Configurator

# Cookie only session, not encrypted but signed to prevent tampering.
from pyramid.session import SignedCookieSessionFactory

from miscutils import get_children_settings


def session_serializer(serializer_name):
    if serializer_name == "json":
        import json
        return json
    import pickle
    return pickle


def main(global_config, **settings):
    """This function returns a Pyramid WSGI application."""

    # setup session factory to use unencrypted but signed cookies
    session_settings = get_children_settings(settings, "session")
    session_settings["serializer"] = session_serializer(
        session_settings.get("serializer")
    )
    session_factory = SignedCookieSessionFactory(**session_settings)

    with Configurator(settings=settings, session_factory=session_factory) as config:
        # all of the models for persisting data into our database.
        config.include(".models")
        # all of the web application routes.
        config.include(".routes")
        # all of the data we attach to each inbound request.
        config.include(".request_methods")
        # enable jinja2 templating engine.
        config.include(".config_jinja2")
        # scan each of these includes for additional configuration.
        config.scan()

    return config.make_wsgi_app()

import json

loads = json.loads

def dumps(obj, *args, skipkeys=False, ensure_ascii=True, check_circular=True, allow_nan=True, cls=None, indent=None, separators=None, default=None, sort_keys=False, **kw):
    result = json.dumps(obj, *args, skipkeys=False, ensure_ascii=True, check_circular=True, allow_nan=True, cls=None, indent=None, separators=None, default=None, sort_keys=False, **kw)
    return result.encode("utf-8")

def session_serializer(serializer_name):
    if serializer_name == "json":
        import make_post_sell.lib.json_session_serializer as json_serializer
        return json_serializer
    import pickle
    return pickle

def session_serializer(serializer_name):
    if serializer_name == "json":
        from pyramid.session import JSONSerializer
        return JSONSerializer()

    from pyramid.session import PickleSerializer
    return PickleSerializer()