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| author | Tom Christie | 2012-09-20 13:19:43 +0100 |
|---|---|---|
| committer | Tom Christie | 2012-09-20 13:19:43 +0100 |
| commit | 87dae4d8549c02fa9a57adb3bb876d249dae1f79 (patch) | |
| tree | f3cf967490b79045ddf2be03e1e2ecebb23f58eb /djangorestframework/negotiation.py | |
| parent | 4b691c402707775c3048a90531024f3bc5be6f91 (diff) | |
| download | django-rest-framework-87dae4d8549c02fa9a57adb3bb876d249dae1f79.tar.bz2 | |
Remove old 'djangorestframework directories
Diffstat (limited to 'djangorestframework/negotiation.py')
| -rw-r--r-- | djangorestframework/negotiation.py | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/djangorestframework/negotiation.py b/djangorestframework/negotiation.py deleted file mode 100644 index 201d32ad..00000000 --- a/djangorestframework/negotiation.py +++ /dev/null @@ -1,74 +0,0 @@ -from djangorestframework import exceptions -from djangorestframework.settings import api_settings -from djangorestframework.utils.mediatypes import order_by_precedence - - -class BaseContentNegotiation(object): - def negotiate(self, request, renderers, format=None, force=False): - raise NotImplementedError('.negotiate() must be implemented') - - -class DefaultContentNegotiation(object): - settings = api_settings - - def negotiate(self, request, renderers, format=None, force=False): - """ - Given a request and a list of renderers, return a two-tuple of: - (renderer, media type). - - If force is set, then suppress exceptions, and forcibly return a - fallback renderer and media_type. - """ - try: - return self.unforced_negotiate(request, renderers, format) - except (exceptions.InvalidFormat, exceptions.NotAcceptable): - if force: - return (renderers[0], renderers[0].media_type) - raise - - def unforced_negotiate(self, request, renderers, format=None): - """ - As `.negotiate()`, but does not take the optional `force` agument, - or suppress exceptions. - """ - # Allow URL style format override. eg. "?format=json - format = format or request.GET.get(self.settings.URL_FORMAT_OVERRIDE) - - if format: - renderers = self.filter_renderers(renderers, format) - - accepts = self.get_accept_list(request) - - # Check the acceptable media types against each renderer, - # attempting more specific media types first - # NB. The inner loop here isn't as bad as it first looks :) - # Worst case is we're looping over len(accept_list) * len(self.renderers) - for media_type_set in order_by_precedence(accepts): - for renderer in renderers: - for media_type in media_type_set: - if renderer.can_handle_media_type(media_type): - return renderer, media_type - - raise exceptions.NotAcceptable(available_renderers=renderers) - - def filter_renderers(self, renderers, format): - """ - If there is a '.json' style format suffix, filter the renderers - so that we only negotiation against those that accept that format. - """ - renderers = [renderer for renderer in renderers - if renderer.can_handle_format(format)] - if not renderers: - raise exceptions.InvalidFormat(format) - return renderers - - def get_accept_list(self, request): - """ - Given the incoming request, return a tokenised list of media - type strings. - - Allows URL style accept override. eg. "?accept=application/json" - """ - header = request.META.get('HTTP_ACCEPT', '*/*') - header = request.GET.get(self.settings.URL_ACCEPT_OVERRIDE, header) - return [token.strip() for token in header.split(',')] |
