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Thu Mar 26 12:36:07 CET 2015 · https://mail.python.org/pipermail/python-dev/2015-March/138925.html

2015-03-26 11:52 GMT+01:00 Andrew Svetlov <andrew.svetlov at gmail.com>:
> There is another issue: exception chain is not set up on exception
> creation in python code, only on throwing.

I'm not suprised of that.

> Thus I have to assign `__context__` and `__cause__` attributes
> manually if I want to call `future.set_exception(exc)` instead of
> `raise exc`.

Do you mean that we need an helper to make this task even simpler? Or
do you suggest to set them automatically in the constructor?

Victor

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Showing content from https://mail.python.org/pipermail/python-dev/2015-March/138925.html below:

[Python-Dev] peps: New PEP 490: Chain exceptions at C level