mirror of https://github.com/llvm/torch-mlir
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
# This file is licensed under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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"""Helper macros to configure torch-mlir overlay project."""
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# This is adapted from llvm-project's utils/bazel/configure.bzl
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DEFAULT_OVERLAY_PATH = "torch-mlir-overlay"
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def _overlay_directories(repository_ctx):
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src_path = repository_ctx.path(Label("//:WORKSPACE")).dirname
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bazel_path = src_path.get_child("utils").get_child("bazel")
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overlay_path = bazel_path.get_child("torch-mlir-overlay")
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script_path = bazel_path.get_child("overlay_directories.py")
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python_bin = repository_ctx.which("python3")
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if not python_bin:
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# Windows typically just defines "python" as python3. The script itself
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# contains a check to ensure python3.
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python_bin = repository_ctx.which("python")
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if not python_bin:
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fail("Failed to find python3 binary")
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cmd = [
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python_bin,
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script_path,
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"--src",
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src_path,
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"--overlay",
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overlay_path,
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"--target",
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".",
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]
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exec_result = repository_ctx.execute(cmd, timeout = 20)
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if exec_result.return_code != 0:
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fail(("Failed to execute overlay script: '{cmd}'\n" +
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"Exited with code {return_code}\n" +
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"stdout:\n{stdout}\n" +
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"stderr:\n{stderr}\n").format(
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cmd = " ".join([str(arg) for arg in cmd]),
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return_code = exec_result.return_code,
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stdout = exec_result.stdout,
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stderr = exec_result.stderr,
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))
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def _torch_mlir_configure_impl(repository_ctx):
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_overlay_directories(repository_ctx)
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torch_mlir_configure = repository_rule(
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implementation = _torch_mlir_configure_impl,
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local = True,
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configure = True
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)
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