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Test your basic knowledge |
Django Middleware
Start Test
Study First
Subject
:
it-skills
Instructions:
Answer 21 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. This must return an SimpleTemplateResponse (or its subclass) object. It could alter the given response by changing response.template_name and response.context_data, or it could create and return a brand-new SimpleTemplateResponse (or its subclass) in
Transaction
process_exception(self, request, exception)
process_template_response(self, request, response)
Template
2. This method is always called, even if the process_request() and process_view() methods of the same middleware class were skipped because an earlier middleware method returned an HttpResponse (this means that your process_response() method cannot rely
Message
Authentication
Django dot look ups
process_response(self, request, response)
3. To start the server
Cache
process_response(self, request, response)
process_template_response(self, request, response)
python manage.py runserver
4. Enables session support. See the session documentation.
Template tags
Locale
Session
process_view(self, request, view_func, view_args, view_kwargs)
5. This method is called on each request, before Django decides which view to execute.
View metadata
process_request(self, request)
Conditional GET
Message
6. Adds protection against Cross Site Request Forgeries by adding hidden form fields to POST forms and checking requests for the correct value.
Session
python manage.py runserver
Django dot look ups
CSRF protection
7. Enable the site-wide cache. If these are enabled - each Django-powered page will be cached for as long as the CACHE_MIDDLEWARE_SECONDS setting defines. See the cache documentation.
Authentication
Cache
process_view(self, request, view_func, view_args, view_kwargs)
Template tags
8. Enables language selection based on data from the request. It customizes content for each user. See the internationalization documentation.
Locale
Conditional GET
CSRF protection
Django dot look ups
9. Adds the user attribute - representing the currently-logged-in user - to every incoming HttpRequest object. See Authentication in Web requests.
Template tags
Authentication
CSRF protection
process_request(self, request)
10. This is called just before Django calls the view. It should return either None or an HttpResponse object. If it returns None, Django will continue processing this request, executing any other such middleware and, then, the appropriate view. If it ret
Transaction
process_view(self, request, view_func, view_args, view_kwargs)
Message
GZIP
11. Django calls this when a view raises an exception. This should return either None or an HttpResponse object. If it returns an HttpResponse object, the response will be returned to the browser. Otherwise, default exception handling kicks in.
GZIP
process_exception(self, request, exception)
Message
Transaction
12. Compresses content for browsers that understand gzip compression (all modern browsers).
process_request(self, request)
middleware processing sequence
Template
GZIP
13. Dictionary - Attribute - Method calls - ListIndex - It uses the first one to work using a short circuit method.
Django dot look ups
python manage.py runserver
Common
Transaction
14. Handles conditional GET operations. If the response has a ETag or Last-Modified header - and the request has If-None-Match or If-Modified-Since - the response is replaced by an HttpNotModified.
Template tags
Cache
process_response(self, request, response)
Conditional GET
15. Enables cookie- and session-based message support.
Django dot look ups
Message
Authentication
View metadata
16. Tell the system to do something (ie. if statements)
process_template_response(self, request, response)
process_response(self, request, response)
Template tags
middleware processing sequence
17. Sends custom X-View HTTP headers to HEAD requests that come from IP addresses defined in the INTERNAL_IPS setting. This is used by Django's automatic documentation system.
View metadata
GZIP
process_view(self, request, view_func, view_args, view_kwargs)
Template tags
18. To produce the 'markup' or presentation of the site.
process_request(self, request)
Locale
Common
Template
19. 1) Forbids access to user agents in the DISALLOWED_USER_AGENTS setting - which should be a list of strings. 2) Performs URL rewriting based on the APPEND_SLASH and PREPEND_WWW settings. 3) Sends broken link notification emails to MANAGERS if SEND_BRO
Message
Locale
Common
Template
20. During the request phases (process_request() and process_view() middleware), Django applies middleware in the order it's defined in MIDDLEWARE_CLASSES, top-down. During the response phases (process_response() and process_exception() middleware), the
Message
Django dot look ups
Authentication
middleware processing sequence
21. Binds commit and rollback to the request/response phase. If a view function runs successfully - a commit is done. If it fails with an exception - a rollback is done.
Transaction
Locale
Template
process_exception(self, request, exception)