【问题标题】:Is pyramid_traversalwrapper functional in pyramid 1.4?pyramid_traversalwrapper 在金字塔 1.4 中是否有效?
【发布时间】:2015-06-09 22:36:11
【问题描述】:

我正在尝试使用此软件包为我进行 __name__ 和 __parent__ 注册。

按照 github 上的说明进行操作:

from pyramid.interfaces import ITraverser
from zope.interface import Interface
from pyramid_traversalwrapper import ModelGraphTraverser

config.registry.registerAdapter(ModelGraphTraverser, (Interface,),
                                ITraverser)

但收到此错误:

Traceback (most recent call last):
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/waitress-0.8.9-py2.7.egg/waitress/channel.py", line 337, in service
    task.service()
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/waitress-0.8.9-py2.7.egg/waitress/task.py", line 173, in service
    self.execute()
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/waitress-0.8.9-py2.7.egg/waitress/task.py", line 392, in execute
    app_iter = self.channel.server.application(env, start_response)
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/pyramid/router.py", line 242, in __call__
    response = self.invoke_subrequest(request, use_tweens=True)
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/pyramid/router.py", line 217, in invoke_subrequest
    response = handle_request(request)
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/pyramid/tweens.py", line 21, in excview_tween
    response = handler(request)
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/pyramid_tm-0.11-py2.7.egg/pyramid_tm/__init__.py", line 94, in tm_tween
    reraise(*exc_info)
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/pyramid_tm-0.11-py2.7.egg/pyramid_tm/__init__.py", line 75, in tm_tween
    response = handler(request)
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/pyramid/router.py", line 125, in handle_request
    tdict = traverser(request)
  File "/home/rotem/Programming/Workspace/pyramid/env/local/lib/python2.7/site-packages/pyramid_traversalwrapper-0.1-py2.7.egg/pyramid_traversalwrapper/__init__.py", line 36, in __call__
    if 'bfg.routes.matchdict' in environ:
TypeError: argument of type 'Request' is not iterable

我在 github 中查看了 pyramid_traversalwrapper,最后一次提交是 4 年前。

还看了金字塔1.4的变化:

无法再将环境字典直接传递给 pyramid.traversal.ResourceTreeTraverser.__call__(又名 ModelGraphTraverser.__call__)。相反,您必须传递一个请求 目的。传递环境而不是请求已生成 自 Pyramid 1.1 以来的弃用警告。

这个包死了吗?如果有,有没有其他选择?

【问题讨论】:

    标签: pyramid


    【解决方案1】:

    尝试使用TraversalKit。该项目还活着,并与最新版本的 Pyramid 一起工作。

    【讨论】:

    • 最后一个金字塔 SQLAlchemy 脚手架只提供 dbsession 作为请求对象的属性:requests.dbsession,原因在这篇文章中解释:WHAT THE ZOPE TRANSACTION MANAGER MEANS TO ME。 Traversalkit 很棒。资源对象是否可以保留资源工厂提供的请求对象?谢谢
    • 我已经回答了there,所以我把链接给其他感兴趣的人。
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