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import sys
from importlib.resources import files
from typing import IO
if sys.version_info < (3, 12):
# This was deprecated in Python 3.12.
from importlib.abc import Traversable
else:
from importlib.resources.abc import Traversable
def resource_root() -> Traversable:
"""
Return the root directory as a traversable that can
be used to load the `extensions`, `*.csv` and `encoding.h`
files. For historical reasons these are not stored inside
the `src/riscv_opcodes` directory in the source distribution
but they are moved there when generating the binary wheel.
This means we need to check in both places.
"""
assert __package__ is not None
package_root = files(__package__)
if (package_root / "extensions").is_dir():
return package_root
return package_root / ".." / ".."
def read_text_resource(path_relative_to_root: str) -> str:
"""
Read a text file relative to the root of this repo.
"""
return resource_root().joinpath(path_relative_to_root).read_text(encoding="utf-8")
def open_text_resource(path_relative_to_root: str) -> IO[str]:
"""
Open a text file relative to the root of this repo.
"""
return resource_root().joinpath(path_relative_to_root).open("r", encoding="utf-8")
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