ImportError: No module named app_factory
1 ImportError: No module named app_factory
在运行python的一个wsgi相关的程序时，出现下列错误：
cast503@cast503-OptiPlex-7010:~/python$ python wsgi_paste.py
Traceback (most recent call last):
File "wsgi_paste.py", line 13, in <module>
wsgi_app = loadapp('config:'+ini_path)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 247, in loadapp
return loadobj(APP, uri, name=name, **kw)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 271, in loadobj
global_conf=global_conf)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 296, in loadcontext
global_conf=global_conf)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 320, in _loadconfig
return loader.get_context(object_type, name, global_conf)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 458, in get_context
section)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 517, in _context_from_explicit
value = import_string(found_expr)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 22, in import_string
return pkg_resources.EntryPoint.parse("x=" + s).load(False)
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 1989, in load
entry = __import__(self.module_name, globals(),globals(), ['__name__'])
File "/home/cast503/python/wsgi_paste.py", line 13, in <module>
wsgi_app = loadapp('config:'+ini_path)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 247, in loadapp
return loadobj(APP, uri, name=name, **kw)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 271, in loadobj
global_conf=global_conf)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 296, in loadcontext
global_conf=global_conf)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 320, in _loadconfig
return loader.get_context(object_type, name, global_conf)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 458, in get_context
section)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 517, in _context_from_explicit
value = import_string(found_expr)
File "/usr/lib/python2.7/dist-packages/paste/deploy/loadwsgi.py", line 22, in import_string
return pkg_resources.EntryPoint.parse("x=" + s).load(False)
File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 1989, in load
entry = __import__(self.module_name, globals(),globals(), ['__name__'])
ImportError: No module named app_factory
根据错误提示一直在网上搜app_factory模块，没有找到，最后仔细查看代码，发现在项目配置文件api-paste.ini中将“:”写成了“.”。
正确配置应该是：
[app:hello]
paste.app_factory = app:app_factory
错误配置：
[app:hello]
paste.app_factory = app.app_factory