想用SQLalchemy连接snowflake。为雪花创建引擎时出现以下错误:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Users\mithi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\engine\__init__.py", line 479, in create_engine
return strategy.create(*args, **kwargs)
File "C:\Users\mithi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\engine\strategies.py", line 61, in create
entrypoint = u._get_entrypoint()
File "C:\Users\mithi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\engine\url.py", line 172, in _get_entrypoint
cls = registry.load(name)
File "C:\Users\mithi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\sqlalchemy\util\langhelpers.py", line 222, in load
return self.impls[name]()
File "C:\Users\mithi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pkg_resources\__init__.py", line 2443, in load
return self.resolve()
File "C:\Users\mithi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\pkg_resources\__init__.py", line 2449, in resolve
module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "C:\Users\mithi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\snowflake\sqlalchemy\__init__.py", line 12, in <module>
from .util import _url as URL
File "C:\Users\mithi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\snowflake\sqlalchemy\util.py", line 9, in <module>
from snowflake.connector.compat import (PY2, IS_STR)
ImportError: cannot import name 'PY2' from 'snowflake.connector.compat' (C:\Users\mithi\AppData\Local\Programs\Python\Python38-32\lib\site-packages\snowflake\connector\compat.py)
引擎创建代码是这样的:
from sqlalchemy import create_engine
from sqlalchemy.engine.url import URL
create_engine(URL("snowflake", username="***",password="***",host="***"))
最佳答案
我在 tested requirements page 匹配了所有依赖项.问题已通过 pip install --upgrade snowflake-sqlalchemy 为我解决.我在运行 Python 3.7.6与版本 2.2.1的 snowflake-connector-python
关于python - 导入错误 : cannot import name 'PY2' ，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/59982458/