[英]Flask cli can't import application set with FLASK_APP
按照 Flask 0.11 文档,我克隆了 Flask 存储库,创建了一个 virtualenv,并通过pip install flask
安装了 Flask。 我进入examples/flaskr
目录,设置FLASK_APP
环境变量,然后执行:
flask run
但是,我收到以下错误:
Traceback (most recent call last):
File "c:\python34\Lib\runpy.py", line 170, in _run_module_as_main
"__main__", mod_spec)
File "c:\python34\Lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "D:\GitHub\flask\venv\Scripts\flask.exe\__main__.py", line 9, in <module>
File "d:\github\flask\venv\lib\site-packages\flask\cli.py", line 478, in main
cli.main(args=args, prog_name=name)
File "d:\github\flask\venv\lib\site-packages\flask\cli.py", line 345, in main
return AppGroup.main(self, *args, **kwargs)
File "d:\github\flask\venv\lib\site-packages\click\core.py", line 696, in main
rv = self.invoke(ctx)
File "d:\github\flask\venv\lib\site-packages\click\core.py", line 1055, in invoke
cmd_name, cmd, args = self.resolve_command(ctx, args)
File "d:\github\flask\venv\lib\site-packages\click\core.py", line 1094, in resolve_command
cmd = self.get_command(ctx, cmd_name)
File "d:\github\flask\venv\lib\site-packages\flask\cli.py", line 316, in get_command
rv = info.load_app().cli.get_command(ctx, name)
File "d:\github\flask\venv\lib\site-packages\flask\cli.py", line 209, in load_app
rv = locate_app(self.app_import_path)
File "d:\github\flask\venv\lib\site-packages\flask\cli.py", line 89, in locate_app
__import__(module)
ImportError: No module named 'flaskr'
如何正确运行flaskr示例?
我正在设置FLASK_APP=flaskr
。 由于我没有在我的 virtualenv 中安装我的应用程序作为一个包,我需要添加.py
扩展名。
export FLASK_APP=flaskr.py
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