Will `render_to_response` ever return something that is not `pyramid.response.Response`?

[Jonathan Vanasco]

I've looked at the code and am pretty sure the answer is no, but a bunch of subclasses are used here, so I think it's best to ask --  Will render_to_response ever return something that is not `pyramid.response.Response`?

I have a small library that will act on the output of render_to_response; I am trying to catch edge cases where it is improperly invoked and a developer passes in a normal dict (which would be rendered via view_config template or json renderer) instead of the expected output of render_to_response.

[Michael Merickel]

There is a null_renderer in Pyramid, but it's not available via render_to_response. I do not see a code path that would return anything other than an object implementing pyramid.interfaces.IResponse (the expected return value from the app's configured IResponseFactory). This is, of course, slightly more general than pyramid.response.Response.

- Michael

On Oct 12, 2020, at 13:48, 'Jonathan Vanasco' via pylons-discuss <pylons-...@googlegroups.com> wrote:

I've looked at the code and am pretty sure the answer is no, but a bunch of subclasses are used here, so I think it's best to ask --  Will render_to_response ever return something that is not `pyramid.response.Response`?

I have a small library that will act on the output of render_to_response; I am trying to catch edge cases where it is improperly invoked and a developer passes in a normal dict (which would be rendered via view_config template or json renderer) instead of the expected output of render_to_response.

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[Jonathan Vanasco]

Thank you, Michael!

This helps me a lot.