When a validation error is reported, it contains only instance_path that points to the erroneous part of the input, but there is no information about what part of the schema caused this error.

The gist of the implementation is to keep a stack of strings while the input schema is compiled. The stack should be convertible to paths::JSONPointer.

The process for regular, non-composite valida

It seems that the typing module doesn't flatten nested literal type definitions, so the following does not currently work:

SuccessStatus = Literal[200, 201, 204]
ClientError = Literal[404, 401, 403, 409, 400]
ServerError = Literal[500, 504, 503]

@dataclass
class HttpResponse(JsonSchemaMixin):
    status: Literal[SuccessStatus, ClientError, ServerError]
    ...

留贴为证

Right now the default/docs version of the public consumer just prints out all of each message to stdout. This is nice, but it would be nice if there was something like fedmsg --terse where it just prints out a small subset to give you an idea of the message. This way you can see a lot more info, and can actually run it to watch what all is going on in fedora.

~ fedmsg-tail-3 --terse
[2019-04-1