この非常に単純な例を使用して、ピラミッド トラバーサルに頭を悩ませようとしています。私がまだよく理解していないのはArticle、データベースからオブジェクトを「注入」する場所です。
そのままでは、/Articleを正しく見つけてレンダリングしますarticle_viewが、それはかなり役に立ちません。URL の次の部分をどのように/いつ/どこで使用して、データベースから特定の記事を照会できますか? 例えば。/Article/5048230b2485d614ecec341d.
どんな手がかりも素晴らしいでしょう！
初期化.py
from pyramid.config import Configurator
from pyramid.events import subscriber
from pyramid.events import NewRequest
import pymongo
from otk.resources import Root
def main(global_config, **settings):
""" This function returns a WSGI application.
"""
config = Configurator(settings=settings, root_factory=Root)
config.add_static_view('static', 'otk:static')
# MongoDB
def add_mongo_db(event):
settings = event.request.registry.settings
url = settings['mongodb.url']
db_name = settings['mongodb.db_name']
db = settings['mongodb_conn'][db_name]
event.request.db = db
db_uri = settings['mongodb.url']
MongoDB = pymongo.Connection
if 'pyramid_debugtoolbar' in set(settings.values()):
class MongoDB(pymongo.Connection):
def __html__(self):
return 'MongoDB: <b>{}></b>'.format(self)
conn = MongoDB(db_uri)
config.registry.settings['mongodb_conn'] = conn
config.add_subscriber(add_mongo_db, NewRequest)
config.include('pyramid_jinja2')
config.include('pyramid_debugtoolbar')
config.scan('otk')
return config.make_wsgi_app()
resources.py
class Root(object):
__name__ = None
__parent__ = None
def __init__(self, request):
self.request = request
def __getitem__(self, key):
if key == 'Article':
return Article(self.request)
else:
raise KeyError
class Article:
__name__ = ''
__parent__ = Root
def __init__(self, request):
self.reqeust = request
# so I guess in here I need to update the Article with
# with the document I get from the db. How?
def __getitem__(self, key):
raise KeyError
ビュー.py
from pyramid.view import view_config
from otk.resources import *
from pyramid.response import Response
@view_config(context=Root, renderer='templates/index.jinja2')
def index(request):
return {'project':'OTK'}
@view_config(context=Article, renderer='templates/view/article.jinja2')
def article_view(context, request):
# I end up with an instance of Article here as the context.. but
# at the moment, the Article is empty
return {}