what is the deference between these ?
I see in the django doc that we can get content-length in meta and header atrebute in HttpResponse class. so what is the difference between request.meta and request.headers?
CodePudding user response：
A HTTP body (request) body is the one which carries actual HTTP request data (including form data and uploaded etc.) and HTTP response data from the server ( including files, images etc).
While HTTP Request header header can't not contain actual data like as above. you can use request header to send some specific header and based on that you can apply your logic. Like while creating rest api you can send AUTHENTICATION header to verify if request is comming from allowed user or not.
- If the data is sent via HTTP instead of HTTPS, the proxy servers can modify the headers.
- If you are using the REST protocol for communication among microservices, interoperability could be important. Most APIs usually do not provide the capability to add/modify custom headers But salesforce provides
CodePudding user response：
In Django, the request.META attribute is a dictionary that contains all available HTTP headers. The request.headers attribute, on the other hand, is a HttpRequest.headers object that provides a more convenient way to access HTTP headers.
The request.META dictionary contains a mapping of all available HTTP headers, where the keys are the case-insensitive version of the header names, and the values are the corresponding header values. For example, you can access the Content-Type header like this:
content_type = request.META['CONTENT_TYPE']
The request.headers object is a subclass of django.utils.datastructures.HeadersDict, which is a dictionary-like object that provides a more convenient interface for accessing HTTP headers. For example, you can access the Content-Type header like this:
content_type = request.headers['Content-Type']
Both the request.META dictionary and the request.headers object allow you to access HTTP headers in a Django request, but the request.headers object provides a more intuitive and convenient interface for accessing header values.
I hope this helps! Let me know if you have any questions.