PYTHON

request headers in Django

>>> request.headers
{'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6', ...}

>>> 'User-Agent' in request.headers
True
>>> 'user-agent' in request.headers
True

>>> request.headers['User-Agent']
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6)
>>> request.headers['user-agent']
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6)

>>> request.headers.get('User-Agent')
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6)
>>> request.headers.get('user-agent')
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6)

django response headers

from django.http import HttpResponse

def index(request):
    response = HttpResponse("Hello world!")
    response["My-Header"] = "header value"
    return response

add header info in django response

def home_page(request):
    # get the django.http.response.HttpResponse object
    resp = render(request, 'dept_emp/home_page.html')
    # set http response header and value.
    resp['Cache-Control'] = 'public,max-age=100000'
    resp['Vary'] = 'Accept-Encoding'
    # return the HttpResponse object. 
    return resp

add header info in django response

class MyMiddleware:

    def __init__(self, get_response):
        self.get_response = get_response

    def __call__(self, request):
        response = self.get_response(request)
        response['X-My-Header'] = "my value"
        return response