diff options
Diffstat (limited to 'rest_framework/renderers.py')
| -rw-r--r-- | rest_framework/renderers.py | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py index 484961ad..7048d87d 100644 --- a/rest_framework/renderers.py +++ b/rest_framework/renderers.py @@ -54,32 +54,37 @@ class JSONRenderer(BaseRenderer): format = 'json' encoder_class = encoders.JSONEncoder ensure_ascii = True - charset = None - # JSON is a binary encoding, that can be encoded as utf-8, utf-16 or utf-32. + + # We don't set a charset because JSON is a binary encoding, + # that can be encoded as utf-8, utf-16 or utf-32. # See: http://www.ietf.org/rfc/rfc4627.txt # Also: http://lucumr.pocoo.org/2013/7/19/application-mimetypes-and-encodings/ + charset = None + + def get_indent(self, accepted_media_type, renderer_context): + if accepted_media_type: + # If the media type looks like 'application/json; indent=4', + # then pretty print the result. + base_media_type, params = parse_header(accepted_media_type.encode('ascii')) + try: + return max(min(int(params['indent']), 8), 0) + except (KeyError, ValueError, TypeError): + pass + + # If 'indent' is provided in the context, then pretty print the result. + # E.g. If we're being called by the BrowsableAPIRenderer. + return renderer_context.get('indent', None) + def render(self, data, accepted_media_type=None, renderer_context=None): """ - Render `data` into JSON. + Render `data` into JSON, returning a bytestring. """ if data is None: return bytes() - # If 'indent' is provided in the context, then pretty print the result. - # E.g. If we're being called by the BrowsableAPIRenderer. renderer_context = renderer_context or {} - indent = renderer_context.get('indent', None) - - if accepted_media_type: - # If the media type looks like 'application/json; indent=4', - # then pretty print the result. - base_media_type, params = parse_header(accepted_media_type.encode('ascii')) - indent = params.get('indent', indent) - try: - indent = max(min(int(indent), 8), 0) - except (ValueError, TypeError): - indent = None + indent = self.get_indent(accepted_media_type, renderer_context) ret = json.dumps(data, cls=self.encoder_class, indent=indent, ensure_ascii=self.ensure_ascii) |