Google App Engine 上的 Pyramid 1.2 导致导入错误
我尝试按照此处列出的步骤在 GAE 上运行 Pyramid 。在开发服务器上一切正常，但是当部署到 Google 的服务器上时，会出现以下错误：
<type 'exceptions.ImportError'>: cannot import name BaseRequest
Traceback (most recent call last):
File "/base/data/home/apps/.../0-0-1.353634463095353211/main.py", line 9, in <module>
from pyramid.config import Configurator
File "/base/data/home/apps/.../0-0-1.353634463095353211/lib/dist/pyramid/__init__.py", line 1, in <module>
from pyramid.request import Request
File "/base/data/home/apps/.../0-0-1.353634463095353211/lib/dist/pyramid/request.py", line 6, in <module>
from webob import BaseRequest
这可能是由于 GAE 使用 WebOb 0.9 而 Pyramid 使用 WebOb 1.1 （它驻留在 lib/dist/webob 在我的项目中），因为 0.9 中缺少 BaseRequest。
在 main.py 文件中有这个片段：
sys.path.insert(0,'lib/dist')
但它似乎只对开发服务器情况有帮助。我有办法强制 GAE 运行时使用我的应用程序中包含的版本 1.1 吗？
I'm trying to run Pyramid on GAE by following the steps outlined here. Everything works fine on dev server, but when deployed to Google's servers, the following error occurs:
<type 'exceptions.ImportError'>: cannot import name BaseRequest
Traceback (most recent call last):
File "/base/data/home/apps/.../0-0-1.353634463095353211/main.py", line 9, in <module>
from pyramid.config import Configurator
File "/base/data/home/apps/.../0-0-1.353634463095353211/lib/dist/pyramid/__init__.py", line 1, in <module>
from pyramid.request import Request
File "/base/data/home/apps/.../0-0-1.353634463095353211/lib/dist/pyramid/request.py", line 6, in <module>
from webob import BaseRequest
This is probably caused by the fact that GAE uses WebOb 0.9 while Pyramid uses WebOb 1.1 (it resides under lib/dist/webob in my project), since BaseRequest is missing in 0.9.
In the main.py file there is this fragment:
sys.path.insert(0,'lib/dist')
but it seems to help only for dev server case. I there a way to force GAE runtime to use version 1.1 included in my application?
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它本身并不是一个真正的解决方案，但我们即将发布新的 Python 运行时 Python 2.7，其中包括库的更新版本，包括 webob 1.1。也许您可以将您的应用程序针对该目标，而不是针对 2.5 运行时？
It's not really a solution, per-se, but we're about to release the new Python runtime, Python 2.7, which includes updated versions of libraries, including webob 1.1. Perhaps you could target your app against that, instead of against the 2.5 runtime?
除了运行时更新之外，我还找到了另一个解决方法。我已将 WebOb 1.1 模块从
webob重命名为webobx，并使金字塔引用重命名的webobx模块。不是很优雅，如果我要升级金字塔，则必须重复，但可以。Apart from the runtime update, I found another workaround. I've renamed the WebOb 1.1 module from
webobtowebobxand made pyramid reference the renamedwebobxmodule. Not very elegant and will have to be repeated if I get to upgrade pyramid, but works.