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f02e3947f6
Expands Pyrefly type checking to check the files outlined in the mypy-strict.ini configuration file: Pull Request resolved: https://github.com/pytorch/pytorch/pull/165697 Approved by: https://github.com/ezyang
64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
import argparse
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import os
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import subprocess
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from pathlib import Path
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def gen_linker_script(
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filein: str = "cmake/prioritized_text.txt", fout: str = "cmake/linker_script.ld"
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) -> None:
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with open(filein) as f:
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prioritized_text = f.readlines()
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prioritized_text = [
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line.replace("\n", "") for line in prioritized_text if line != "\n"
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]
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ld = os.environ.get("LD", "ld")
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linker_script_lines = subprocess.check_output([ld, "-verbose"], text=True).split(
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"\n"
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)
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indices = [
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i
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for i, x in enumerate(linker_script_lines)
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if x == "=================================================="
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]
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linker_script_lines = linker_script_lines[indices[0] + 1 : indices[1]]
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text_line_start = [
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i for i, line in enumerate(linker_script_lines) if ".text :" in line
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]
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assert len(text_line_start) == 1, "The linker script has multiple text sections!"
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text_line_start = text_line_start[0]
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# ensure that parent directory exists before writing
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# pyrefly: ignore # bad-assignment
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fout = Path(fout)
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# pyrefly: ignore # missing-attribute
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fout.parent.mkdir(parents=True, exist_ok=True)
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with open(fout, "w") as f:
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for lineid, line in enumerate(linker_script_lines):
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if lineid == text_line_start + 2:
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f.write(" *(\n")
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for plines in prioritized_text:
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f.write(f" .text.{plines}\n")
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f.write(" )\n")
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f.write(f"{line}\n")
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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description="Generate linker file based on prioritized symbols. Used for link-time optimization.",
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)
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parser.add_argument(
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"--filein",
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help="Path to prioritized_text.txt input file",
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default=argparse.SUPPRESS,
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)
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parser.add_argument(
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"--fout", help="Output path for linker ld file", default=argparse.SUPPRESS
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)
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# convert args to a dict to pass to gen_linker_script
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kwargs = vars(parser.parse_args())
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gen_linker_script(**kwargs)
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