Input transformation rework - input requested

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Hi all,

For IPython 7, I'm planning a rework of the input transformation framework:
https://github.com/ipython/ipython/pull/11041

The new framework is - I hope - simpler than the one it replaces, and will
hopefully have fewer weird corner cases. But it's still a pretty complex
beast, and I don't feel like it's a good platform for people to add more
transformations to. One option to improve this is to make a smaller
extensible API, restricting the kind of things that third party code can do.

I don't think there's ever been much third party code extending IPython's
input transformation, but I'd like to find out about the code that does. So
if you're aware of a project that does use our input transformation API:

- What project?
- What does it want to transform?
- Can you point me to the code?
- What fallback options would it have if IPython didn't support the
transformation it wanted?

This is specifically about text transformations; AST transformations are
not changed.

Thanks,
Thomas

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<div dir=3D"ltr"><div>Hi all,</div><div><br></div><div>For IPython 7, I&#39=
;m planning a rework of the input transformation framework:</div><div><a hr=
ef=3D"https://github.com/ipython/ipython/pull/11041">https://github.com/ipy=
thon/ipython/pull/11041</a></div><div><br></div><div>The new framework is -=
 I hope - simpler than the one it replaces, and will hopefully have fewer w=
eird corner cases. But it&#39;s still a pretty complex beast, and I don&#39=
;t feel like it&#39;s a good platform for people to add more transformation=
s to. One option to improve this is to make a smaller extensible API, restr=
icting the kind of things that third party code can do.</div><div><br></div=
><div>I don&#39;t think there&#39;s ever been much third party code extendi=
ng IPython&#39;s input transformation, but I&#39;d like to find out about t=
he code that does. So if you&#39;re aware of a project that does use our in=
put transformation API:</div><div><br></div><div>- What project?</div><div>=
- What does it want to transform?</div><div>- Can you point me to the code?=
<br></div><div>- What fallback options would it have if IPython didn&#39;t =
support the transformation it wanted?</div><div><br></div><div>This is spec=
ifically about text transformations; AST transformations are not changed.<b=
r></div><div><br></div><div>Thanks,</div><div>Thomas<br></div><div><br></di=
v></div>

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