How to use 'django corsheaders' in Python

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715def _setCommonCORSHeaders():
716 """
717 Set CORS headers that should be passed back with either a preflight OPTIONS
718 or a simple CORS request. We set these headers anytime there is an Origin
719 header present since browsers will simply ignore them if the request is not
720 cross-origin.
721 """
722 origin = cherrypy.request.headers.get('origin')
723 if not origin:
724 # If there is no origin header, this is not a cross origin request
725 return
726
727 allowed = Setting().get(SettingKey.CORS_ALLOW_ORIGIN)
728
729 if allowed:
730 setResponseHeader('Access-Control-Allow-Credentials', 'true')
731 setResponseHeader(
732 'Access-Control-Expose-Headers', Setting().get(SettingKey.CORS_EXPOSE_HEADERS))
733
734 allowedList = {o.strip() for o in allowed.split(',')}
735
736 if origin in allowedList:
737 setResponseHeader('Access-Control-Allow-Origin', origin)
738 elif '*' in allowedList:
739 setResponseHeader('Access-Control-Allow-Origin', '*')
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