django raisable http exceptions
Project description
What is django_http_exceptions?
It is raisable exceptions for your django views.
What is it good for?
It makes this
def some_function():
raise SomeError
def view(request):
try:
response = some_function()
except SomeError:
response = HttpResponse(status=403)
return response
into this
from django_http_exceptions import HTTPExceptions
def some_function():
raise HTTPExcetions.FORBIDDEN # HTTPExceptions.from_status(403)
def view(request):
return some_function()
meaning that is saves you from boilerplate code.
It also allows you to hook default views to all possible http response codes, meaning that you can use more than the 5-6 django provided error handlers.
How to use it?
Just two middlewares, lower the better, and you are done.
MIDDLEWARE = [
...,
'django_http_exceptions.middleware.ExceptionHandlerMiddleware',
'django_http_exceptions.middleware.ThreadLocalRequestMiddleware',
...
]
And that is it, you are ready to raise your http exceptions.
What else?
HTTPExceptions
Base class that provides all the exceptions to be raised.
HTTPExceptions.from_status(status)
In case you don't want to write
HTTPExceptions.REQUEST_HEADER_FIELDS_TOO_LARGE
You can just write
HTTPExceptions.from_status(431)
HTTPExceptions.BASE_EXCEPTON
The base exception for all http exception
HTTPExceptions.BASE_EXCEPTION.with_response(response)
This is the method for rasing exceptions with a response. You can put any response in this method while raising your error.
Let's say you have a view named index
, then this example would return what index
function would return, but with
status code 410
HTTPExceptions.GONE.with_response(index(request))
HTTPExceptions.BASE_EXCEPTION.register_default_view(view)
view
is a function that takes only one argument, request
when you register a default view to an error class with
HTTPExceptions.NOT_FOUND.register_defaul_view(view)
when HTTPExceptions.GONE
is raised it returns the view function,
but again, with 404
status code. If the error has been raised with .with_response
, that is used instead.
get_current_request
This function gets you the current request anywhere in your django application, making it easier for your dynamic error
responses to be created, like in the HTTPExceptions.GONE.with_response(index(request))
example.
ExceptionHandlerMiddleware
Just there for to exception handling to work.
ThreadLocalRequestMiddleware
Just there for to get_current_request
to work.
errorify(error)
Decorator that turns a view (both class and function) into an http error
@errorify(HTTPExceptions.PAYMENT_REQUIRED)
class Subscribe(TemplateView):
template = SUBSCRIBE_TEMPLATE
Avaliable Exceptions
HTTPExceptions.CONTINUE # HTTPExceptions.from_status(100)
HTTPExceptions.SWITCHING_PROTOCOLS # HTTPExceptions.from_status(101)
HTTPExceptions.PROCESSING # HTTPExceptions.from_status(102)
HTTPExceptions.OK # HTTPExceptions.from_status(200)
HTTPExceptions.CREATED # HTTPExceptions.from_status(201)
HTTPExceptions.ACCEPTED # HTTPExceptions.from_status(202)
HTTPExceptions.NON_AUTHORITATIVE_INFORMATION # HTTPExceptions.from_status(203)
HTTPExceptions.NO_CONTENT # HTTPExceptions.from_status(204)
HTTPExceptions.RESET_CONTENT # HTTPExceptions.from_status(205)
HTTPExceptions.PARTIAL_CONTENT # HTTPExceptions.from_status(206)
HTTPExceptions.MULTI_STATUS # HTTPExceptions.from_status(207)
HTTPExceptions.ALREADY_REPORTED # HTTPExceptions.from_status(208)
HTTPExceptions.IM_USED # HTTPExceptions.from_status(226)
HTTPExceptions.MULTIPLE_CHOICES # HTTPExceptions.from_status(300)
HTTPExceptions.MOVED_PERMANENTLY # HTTPExceptions.from_status(301)
HTTPExceptions.FOUND # HTTPExceptions.from_status(302)
HTTPExceptions.SEE_OTHER # HTTPExceptions.from_status(303)
HTTPExceptions.NOT_MODIFIED # HTTPExceptions.from_status(304)
HTTPExceptions.USE_PROXY # HTTPExceptions.from_status(305)
HTTPExceptions.TEMPORARY_REDIRECT # HTTPExceptions.from_status(307)
HTTPExceptions.PERMANENT_REDIRECT # HTTPExceptions.from_status(308)
HTTPExceptions.BAD_REQUEST # HTTPExceptions.from_status(400)
HTTPExceptions.UNAUTHORIZED # HTTPExceptions.from_status(401)
HTTPExceptions.PAYMENT_REQUIRED # HTTPExceptions.from_status(402)
HTTPExceptions.FORBIDDEN # HTTPExceptions.from_status(403)
HTTPExceptions.NOT_FOUND # HTTPExceptions.from_status(404)
HTTPExceptions.METHOD_NOT_ALLOWED # HTTPExceptions.from_status(405)
HTTPExceptions.NOT_ACCEPTABLE # HTTPExceptions.from_status(406)
HTTPExceptions.PROXY_AUTHENTICATION_REQUIRED # HTTPExceptions.from_status(407)
HTTPExceptions.REQUEST_TIMEOUT # HTTPExceptions.from_status(408)
HTTPExceptions.CONFLICT # HTTPExceptions.from_status(409)
HTTPExceptions.GONE # HTTPExceptions.from_status(410)
HTTPExceptions.LENGTH_REQUIRED # HTTPExceptions.from_status(411)
HTTPExceptions.PRECONDITION_FAILED # HTTPExceptions.from_status(412)
HTTPExceptions.REQUEST_ENTITY_TOO_LARGE # HTTPExceptions.from_status(413)
HTTPExceptions.REQUEST_URI_TOO_LONG # HTTPExceptions.from_status(414)
HTTPExceptions.UNSUPPORTED_MEDIA_TYPE # HTTPExceptions.from_status(415)
HTTPExceptions.REQUESTED_RANGE_NOT_SATISFIABLE # HTTPExceptions.from_status(416)
HTTPExceptions.EXPECTATION_FAILED # HTTPExceptions.from_status(417)
HTTPExceptions.UNPROCESSABLE_ENTITY # HTTPExceptions.from_status(422)
HTTPExceptions.LOCKED # HTTPExceptions.from_status(423)
HTTPExceptions.FAILED_DEPENDENCY # HTTPExceptions.from_status(424)
HTTPExceptions.UPGRADE_REQUIRED # HTTPExceptions.from_status(426)
HTTPExceptions.PRECONDITION_REQUIRED # HTTPExceptions.from_status(428)
HTTPExceptions.TOO_MANY_REQUESTS # HTTPExceptions.from_status(429)
HTTPExceptions.REQUEST_HEADER_FIELDS_TOO_LARGE # HTTPExceptions.from_status(431)
HTTPExceptions.INTERNAL_SERVER_ERROR # HTTPExceptions.from_status(500)
HTTPExceptions.NOT_IMPLEMENTED # HTTPExceptions.from_status(501)
HTTPExceptions.BAD_GATEWAY # HTTPExceptions.from_status(502)
HTTPExceptions.SERVICE_UNAVAILABLE # HTTPExceptions.from_status(503)
HTTPExceptions.GATEWAY_TIMEOUT # HTTPExceptions.from_status(504)
HTTPExceptions.HTTP_VERSION_NOT_SUPPORTED # HTTPExceptions.from_status(505)
HTTPExceptions.VARIANT_ALSO_NEGOTIATES # HTTPExceptions.from_status(506)
HTTPExceptions.INSUFFICIENT_STORAGE # HTTPExceptions.from_status(507)
HTTPExceptions.LOOP_DETECTED # HTTPExceptions.from_status(508)
HTTPExceptions.NOT_EXTENDED # HTTPExceptions.from_status(510)
HTTPExceptions.NETWORK_AUTHENTICATION_REQUIRED # HTTPExceptions.from_status(511)
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