python-2.7 - mhn 安装在 linux ubuntu 18.04 上失败

Question

我正在尝试在全新安装的 ubuntu 18.04 上安装 mhn(现代蜂蜜网络)
我得到了这些错误。

Initializing` database, please be patient. This can take several minutes
+ python initdatabase.py
Traceback (most recent call last):
  File "initdatabase.py", line 5, in <module>
    create_clean_db()
  File "/opt/mhn/server/mhn/__init__.py", line 116, in create_clean_db
    db.create_all()
  File "/opt/mhn/env/lib/python2.7/site-packages/flask_sqlalchemy/__init__.py", line 963, in create_all
    self._execute_for_all_tables(app, bind, 'create_all')
  File "/opt/mhn/env/lib/python2.7/site-packages/flask_sqlalchemy/__init__.py", line 955, in _execute_for_all_tables
    op(bind=self.get_engine(app, bind), **extra)
  File "/opt/mhn/env/lib/python2.7/site-packages/flask_sqlalchemy/__init__.py", line 896, in get_engine
    return connector.get_engine()
  File "/opt/mhn/env/lib/python2.7/site-packages/flask_sqlalchemy/__init__.py", line 556, in get_engine
    self._sa.apply_driver_hacks(self._app, info, options)
  File "/opt/mhn/env/lib/python2.7/site-packages/flask_sqlalchemy/__init__.py", line 861, in apply_driver_hacks
    info.database = os.path.join(app.root_path, info.database)
AttributeError: can't set attribute```

how to fix this?

Answer 1

您需要做的就是进入 mhn/server/并修改 requirements.txt 文档，将 Flask-SQLAlchemy 更改为 2.5.1，保存文件并使用 sudo 运行安装。应该在18.04 Ubuntu上安装就好了，只有亲自测试过的版本，里程可能会很大。