Test traversal. Note "@view_config" and leave "name='' " to default view.

dict3-resources-test1.py

#!/usr/bin/env python
#encoding: utf-8
#__author__ = 'actor2019'


# $http.get('/ja/word/あい')


from pyramid.security import (
    Allow,
    Everyone,
    )


def _assign(obj, name, parent):
    obj.__name__ = name
    obj.__parent__ = parent
    return obj


class Root(object):
    __name__ = None
    __parent__ = None
    # __acl__ = [ (Allow, Everyone, 'view')]

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

    def __getitem__(self, name):
        if name == 'ja':
            return _assign(Ja(self.request),name,self)
        raise KeyError



# --------------- ja ---------------
class Ja(object):
    def __init__(self, request):
        self.request = request

    def __getitem__(self, name):
        if name == 'word':
            return _assign(JaWord(self.request),name,self)
        raise KeyError


# JaWord works as JaEntryDispatcher
class JaWord(object):
    def __init__(self, request):
        self.request = request
    def __getitem__(self, title):
        jp=self.request.db.jp
        entries=list(jp.find({'title':title}))
        if entries:
            entries=JaEntry(entries)
            return _assign(entries,title,self)
            # raise KeyError
        raise KeyError


class JaEntry(object):
    def __init__(self, entries):
        self.entries = entries


#- ---------- #- ---------- #- ---------- in view


@view_config(context=JaEntry, renderer='json')
def ja_entry_view(request):
    return request.context.entries