[TensorExpr] Add python bindings. (#49698)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/49698
Reincarnation of #47620 by jamesr66a.
It's just an initial bunch of things that we're exposing to python, more
is expected to come in future. Some things can probably be done better,
but I'm putting this out anyway, since some other people were interested
in using and/or developing this.
Differential Revision: D25668694
Test Plan: Imported from OSS
Reviewed By: bertmaher
Pulled By: ZolotukhinM
fbshipit-source-id: fb0fd1b31e851ef9ab724686b9ac2d172fa4905a
Author
Mikhail Zolotukhin
