使用 PyCharm 在 gunicorn 下调试 Flask 应用程序

Debugging a Flask app under gunicorn with PyCharm

我想在 Gunicorn 下使用 PyCharm CE 单步执行 Hello-World Flask 应用程序 运行。

应用程序是通常的 5-10 班轮坐在 /tmp/hello-world/app,而 venv 在 /tmp/env

我的 PyCharm 配置如下所示:

Script: /tmp/env/bin/gunicorn
Script parameters: /tmp/hello-world/app:app
Working directory: /tmp/hello-world

该应用程序使用 gunicorn app:app 从该 venv 的命令行运行良好,但是当我在 PyCharm CE 下启动服务器时,gunicorn 的内部导入失败:

Traceback (most recent call last):
  File "/tmp/env/lib/python2.7/site-packages/gunicorn/arbiter.py", line 578, in spawn_worker
    worker.init_process()
  File "/tmp/env/lib/python2.7/site-packages/gunicorn/workers/base.py", line 126, in init_process
    self.load_wsgi()
  File "/tmp/env/lib/python2.7/site-packages/gunicorn/workers/base.py", line 135, in load_wsgi
    self.wsgi = self.app.wsgi()
  File "/tmp/env/lib/python2.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
    self.callable = self.load()
  File "/tmp/env/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 65, in load
    return self.load_wsgiapp()
  File "/tmp/env/lib/python2.7/site-packages/gunicorn/app/wsgiapp.py", line 52, in load_wsgiapp
    return util.import_app(self.app_uri)
  File "/tmp/env/lib/python2.7/site-packages/gunicorn/util.py", line 352, in import_app
    __import__(module)
ImportError: Import by filename is not supported.

不起作用的解决方案:

错误很明显。您正在尝试通过给它一个文件路径来按文件名导入。尝试将您的脚本参数更改为 app:app,它应该可以工作。