当我开始金字塔服务时,我得到了这个堆栈跟踪:
% python $(which pserve) ../etc/development.ini
Traceback (most recent call last):
File "/home/hughdbrown/.local/bin/pserve", line 9, in <module>
load_entry_point('pyramid==1.5', 'console_scripts', 'pserve')()
File "/home/hughdbrown/.virtualenvs/ponder/local/lib/python2.7/site-packages/pyramid-1.5-py2.7.egg/pyramid/scripts/pserve.py", line 51, in main
return command.run()
File "/home/hughdbrown/.virtualenvs/ponder/local/lib/python2.7/site-packages/pyramid-1.5-py2.7.egg/pyramid/scripts/pserve.py", line 316, in run
global_conf=vars)
File "/home/hughdbrown/.virtualenvs/ponder/local/lib/python2.7/site-packages/pyramid-1.5-py2.7.egg/pyramid/scripts/pserve.py", line 340, in loadapp
return loadapp(app_spec, name=name, relative_to=relative_to, **kw)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 247, in loadapp
return loadobj(APP, uri, name=name, **kw)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 271, in loadobj
global_conf=global_conf)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 296, in loadcontext
global_conf=global_conf)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 320, in _loadconfig
return loader.get_context(object_type, name, global_conf)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 454, in get_context
section)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 476, in _context_from_use
object_type, name=use, global_conf=global_conf)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 406, in get_context
global_conf=global_conf)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 296, in loadcontext
global_conf=global_conf)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 337, in _loadfunc
return loader.get_context(object_type, name, global_conf)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/loadwsgi.py", line 681, in get_context
obj = lookup_object(self.spec)
File "/home/hughdbrown/.virtualenvs/ponder/lib/python2.7/site-packages/PasteDeploy-1.5.2-py2.7.egg/paste/deploy/util.py", line 68, in lookup_object
module = __import__(parts)
File "/home/hughdbrown/.virtualenvs/ponder/local/lib/python2.7/site-packages/ponder-0.0.40-py2.7.egg/ponder/server/__init__.py", line 10, in <module>
from ponder.server.views import Endpoints, route
ImportError: No module named views
这在python REPL中工作得很好:
% python
Python 2.7.5+ (default, Feb 27 2014, 19:37:08)
[GCC 4.8.1] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from ponder.server.views import Endpoints, route
>>>
从命令行导入:
% python -c "from ponder.server.views import Endpoints, route"
简略的tree
输出显示了我正在使用的内容:
% tree
├── __init__.py
├── ponder
│ ├── __init__.py
│ ├── server
│ │ ├── __init__.py
│ │ └── views
│ │ ├── environment_templates.py
│ │ ├── groups.py
│ │ ├── __init__.py
│ │ ├── instances.py
│ │ ├── tasks.py
│ │ └── users.py
我的PYTHONPATH
设置为此树的根:
% echo $PYTHONPATH
/home/hughdbrown/workspace/ept/ponder/lib
我在一个使用Python2.7的virtualenv中运行这个。我今天断断续续地做这个,但我不知道问题在哪里。首先,__init__.py
对于前面的一些导入似乎没问题:
from .database import get_db
from .config import parser
from .views import Endpoints, route
(我把最后一行改为绝对导入。不走运。)
我尝试过的事情:
重建virtualenv
设置PYTHONPATH
在代码中使用绝对路径
对于如何调试此错误的进一步建议,我持开放态度。
所以我犯的错误是只看源代码树。问题实际上是在运行时环境中,在我的virtualenv中。当我看那里时,我发现没有安装所需的文件。问题的根源是setup.py
。
我也遇到了同样的问题,我通过在python文件的顶部添加以下代码解决了这个问题:
os.path.dirname
的重复次数取决于文件位于项目层次结构的位置。例如,在我的例子中,项目根目录向上三层。我通常的技巧是在发生导入问题的实际上下文中简单地打印
sys.path
。在您的情况下,似乎打印的位置在/home/hughdbrown/.local/bin/pserve
。然后在路径显示的位置检查目录文件。。你首先要做的是:
在python 2中使用print表达式:
或者在python 3中使用print函数:
我把
PYTHONPATH
设置为'.'
,这就解决了我的问题。对于一行代码,您可以很容易地:
这些命令应该在终端中运行
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