YAML mime type?

2018-05-31 18:53:01

What is the most appropriate MIME type to use when sending data structured with YAML over HTTP?

An explanation of why a given choice is most appropriate would be much appreciated.

There is no registered application type or text type that I can see.

Example:

> GET /example.yaml

< Content-Type: ????
<
< --- # Favorite movies
< - Casablanca
< - North by Northwest
< - Notorious

Possible options:

text/yaml
text/x-yaml
application/yaml
application/x-yaml

Ruby on Rails uses application/x-yaml with an alternative of text/yaml (source).

I think it's just a matter of convention, there is no technical why, afaict.

I'd say text/x-yaml:

text over application because it's a human-readable

x-yaml over yaml because it hasn't been accepted into the registered list of mime types.

Edit: from RFC 3023 (XML Media Types):

The top-level media type "text" has some restrictions on MIME entities and they are described in [RFC2045] and [RFC2046]. In particular, the UTF-16 family, UCS-4, and UTF-32 are not allowed (except over HTTP[RFC2616], which uses a MIME-like mechanism).

Interesting... Not exactly sure what it means, but food for thought.

虽然另一个答案被接受，请参阅YAML线程这个提议的媒体类型登记的IANA邮件列表上审查媒体类型在本哈里斯，剑桥信息服务，代表YAML队的媒体类型的2015年7月提出的大学： text/vnd.yaml带有（建议的）不推荐使用的别名： text/yaml text/x-yaml application/x-yaml仍然提出/正在处理（线程未指示提案的状态），因此此答案不再具有权威性比其他人:-)

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