diff options
Diffstat (limited to 'docs/api-guide/renderers.md')
| -rw-r--r-- | docs/api-guide/renderers.md | 73 |
1 files changed, 42 insertions, 31 deletions
diff --git a/docs/api-guide/renderers.md b/docs/api-guide/renderers.md index 7798827b..035ec1d2 100644 --- a/docs/api-guide/renderers.md +++ b/docs/api-guide/renderers.md @@ -1,4 +1,4 @@ -<a class="github" href="renderers.py"></a> +source: renderers.py # Renderers @@ -74,37 +74,18 @@ If your API includes views that can serve both regular webpages and API response Renders the request data into `JSON`, using utf-8 encoding. -Note that non-ascii characters will be rendered using JSON's `\uXXXX` character escape. For example: +Note that the default style is to include unicode characters, and render the response using a compact style with no unnecessary whitespace: - {"unicode black star": "\u2605"} + {"unicode black star":"★","value":999} The client may additionally include an `'indent'` media type parameter, in which case the returned `JSON` will be indented. For example `Accept: application/json; indent=4`. { - "unicode black star": "\u2605" + "unicode black star": "★", + "value": 999 } -**.media_type**: `application/json` - -**.format**: `'.json'` - -**.charset**: `None` - -## UnicodeJSONRenderer - -Renders the request data into `JSON`, using utf-8 encoding. - -Note that non-ascii characters will not be character escaped. For example: - - {"unicode black star": "★"} - -The client may additionally include an `'indent'` media type parameter, in which case the returned `JSON` will be indented. For example `Accept: application/json; indent=4`. - - { - "unicode black star": "★" - } - -Both the `JSONRenderer` and `UnicodeJSONRenderer` styles conform to [RFC 4627][rfc4627], and are syntactically valid JSON. +The default JSON encoding style can be altered using the `UNICODE_JSON` and `COMPACT_JSON` settings keys. **.media_type**: `application/json` @@ -134,10 +115,30 @@ The `jsonp` approach is essentially a browser hack, and is [only appropriate for ## YAMLRenderer -Renders the request data into `YAML`. +Renders the request data into `YAML`. Requires the `pyyaml` package to be installed. +Note that non-ascii characters will be rendered using `\uXXXX` character escape. For example: + + unicode black star: "\u2605" + +**.media_type**: `application/yaml` + +**.format**: `'.yaml'` + +**.charset**: `utf-8` + +## UnicodeYAMLRenderer + +Renders the request data into `YAML`. + +Requires the `pyyaml` package to be installed. + +Note that non-ascii characters will not be character escaped. For example: + + unicode black star: ★ + **.media_type**: `application/yaml` **.format**: `'.yaml'` @@ -183,7 +184,7 @@ An example of a view that uses `TemplateHTMLRenderer`: def get(self, request, *args, **kwargs): self.object = self.get_object() return Response({'user': self.object}, template_name='user_detail.html') - + You can use `TemplateHTMLRenderer` either to return regular HTML pages using REST framework, or to return both HTML and API responses from a single endpoint. If you're building websites that use `TemplateHTMLRenderer` along with other renderer classes, you should consider listing `TemplateHTMLRenderer` as the first class in the `renderer_classes` list, so that it will be prioritised first even for browsers that send poorly formed `ACCEPT:` headers. @@ -204,7 +205,7 @@ An example of a view that uses `TemplateHTMLRenderer`: @api_view(('GET',)) @renderer_classes((StaticHTMLRenderer,)) - def simple_html_view(request): + def simple_html_view(request): data = '<html><body><h1>Hello, world</h1></body></html>' return Response(data) @@ -299,7 +300,7 @@ The following is an example plaintext renderer that will return a response with class PlainTextRenderer(renderers.BaseRenderer): media_type = 'text/plain' format = 'txt' - + def render(self, data, media_type=None, renderer_context=None): return data.encode(self.charset) @@ -339,7 +340,7 @@ You can do some pretty flexible things using REST framework's renderers. Some e * Provide either flat or nested representations from the same endpoint, depending on the requested media type. * Serve both regular HTML webpages, and JSON based API responses from the same endpoints. * Specify multiple types of HTML representation for API clients to use. -* Underspecify a renderer's media type, such as using `media_type = 'image/*'`, and use the `Accept` header to vary the encoding of the response. +* Underspecify a renderer's media type, such as using `media_type = 'image/*'`, and use the `Accept` header to vary the encoding of the response. ## Varying behaviour by media type @@ -424,6 +425,11 @@ Comma-separated values are a plain-text tabular data format, that can be easily [djangorestframework-camel-case] provides camel case JSON renderers and parsers for REST framework. This allows serializers to use Python-style underscored field names, but be exposed in the API as Javascript-style camel case field names. It is maintained by [Vitaly Babiy][vbabiy]. +## Pandas (CSV, Excel, PNG) + +[Django REST Pandas] provides a serializer and renderers that support additional data processing and output via the [Pandas] DataFrame API. Django REST Pandas includes renderers for Pandas-style CSV files, Excel workbooks (both `.xls` and `.xlsx`), and a number of [other formats]. It is maintained by [S. Andrew Sheppard][sheppard] as part of the [wq Project][wq]. + + [cite]: https://docs.djangoproject.com/en/dev/ref/template-response/#the-rendering-process [conneg]: content-negotiation.md [browser-accept-headers]: http://www.gethifi.com/blog/browser-rest-http-accept-headers @@ -446,4 +452,9 @@ Comma-separated values are a plain-text tabular data format, that can be easily [ultrajson]: https://github.com/esnme/ultrajson [hzy]: https://github.com/hzy [drf-ujson-renderer]: https://github.com/gizmag/drf-ujson-renderer -[djangorestframework-camel-case]: https://github.com/vbabiy/djangorestframework-camel-case
\ No newline at end of file +[djangorestframework-camel-case]: https://github.com/vbabiy/djangorestframework-camel-case +[Django REST Pandas]: https://github.com/wq/django-rest-pandas +[Pandas]: http://pandas.pydata.org/ +[other formats]: https://github.com/wq/django-rest-pandas#supported-formats +[sheppard]: https://github.com/sheppard +[wq]: https://github.com/wq |