pycharm启动单独py程序调试,怎么配置settings

想单独启动调试单个py文件，从pycharm启动单独py程序

ImportError("Settings cannot be imported, because environment variable %s is undefined." % ENVIRONMENT_VARIABLE)
ImportError: Settings cannot be imported, because environment variable DJANGO_SETTINGS_MODULE is undefined.

求怎么配置settings.

Pycharm debug django问题
报错:
django.core.exceptions.ImproperlyConfigured: Requested setting CACHES, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings.
需要再单独文件的头部上添加
import sys import os sys.path.append('/Users/nooper/Documents/work/payment/') os.environ['DJANGO_SETTINGS_MODULE']="payment.settings"
这里settings就是项目包程序的配置的settings. 需要项目的工作路径引入进来。

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