我已经正确安装了Flask appbuilder包,并尝试执行fabmanager,它显示了以下行:
(venv)lupo@Mint-VirtualBox ~ $ fabmanager
Traceback (most recent call last):
File "/home/lupo/venv/bin/fabmanager", line 9, in <module>
load_entry_point('Flask-AppBuilder==1.3.0', 'console_scripts', 'fabmanager')()
File "/home/lupo/venv/local/lib/python2.7/site-packages/pkg_resources.py", line 353, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/home/lupo/venv/local/lib/python2.7/site-packages/pkg_resources.py", line 2321, in load_entry_point
return ep.load()
File "/home/lupo/venv/local/lib/python2.7/site-packages/pkg_resources.py", line 2048, in load
entry = __import__(self.module_name, globals(),globals(), ['__name__'])
File "/home/lupo/venv/local/lib/python2.7/site-packages/flask_appbuilder/__init__.py", line 4, in <module>
from .models.sqla import Model, Base, SQLA
File "/home/lupo/venv/local/lib/python2.7/site-packages/flask_appbuilder/models/sqla/__init__.py", line 4, in <module>
from sqlalchemy.ext.declarative import as_declarative
ImportError: cannot import name as_declarative
有人能帮我吗?在
这在an issue in Flask-AppBuilder中提到过。它试图做到:
但是,从SQLAlchemy-0.9.9开始,
^{pr2}$as_declarative
现在与:这似乎是a regression in SQLAlchemy,该导入没有移动的理由。在
在Flask AppBuilder或SQLAlchemy的新版本发布之前,最简单的解决方案是将SQLAlchemy降级到0.9.8:pip install sqlalchemy==0.9.8
。Flask AppBuilder的最新版本已经修复了这个问题。在
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