Files
pytorch/tools/build_libtorch.py
Edward Yang 173f224570 Turn on F401: Unused import warning. (#18598)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/18598
ghimport-source-id: c74597e5e7437e94a43c163cee0639b20d0d0c6a

Stack from [ghstack](https://github.com/ezyang/ghstack):
* **#18598 Turn on F401: Unused import warning.**

This was requested by someone at Facebook; this lint is turned
on for Facebook by default.  "Sure, why not."

I had to noqa a number of imports in __init__.  Hypothetically
we're supposed to use __all__ in this case, but I was too lazy
to fix it.  Left for future work.

Be careful!  flake8-2 and flake8-3 behave differently with
respect to import resolution for # type: comments.  flake8-3 will
report an import unused; flake8-2 will not.  For now, I just
noqa'd all these sites.

All the changes were done by hand.

Signed-off-by: Edward Z. Yang <ezyang@fb.com>

Differential Revision: D14687478

fbshipit-source-id: 30d532381e914091aadfa0d2a5a89404819663e3
2019-03-30 09:01:17 -07:00

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Python

import argparse
from os.path import dirname, abspath
import sys
# By appending pytorch_root to sys.path, this module can import other torch
# modules even when run as a standalone script. i.e., it's okay either you
# do `python build_libtorch.py` or `python -m tools.build_libtorch`.
pytorch_root = dirname(dirname(abspath(__file__)))
sys.path.append(pytorch_root)
# If you want to modify flags or environmental variables that is set when
# building torch, you should do it in tools/setup_helpers/configure.py.
# Please don't add it here unless it's only used in LibTorch.
from tools.build_pytorch_libs import build_caffe2
if __name__ == '__main__':
# Placeholder for future interface. For now just gives a nice -h.
parser = argparse.ArgumentParser(description='Build libtorch')
options = parser.parse_args()
build_caffe2(version=None, cmake_python_library=None,
build_python=False, rerun_cmake=True, build_dir='.')