Modifies sofa.py to be able to get the path to the SOFA database via an environment variable.

Author: fakufaku

CHANGELOG.rst

@@ -15,10 +15,14 @@ Changed
 ~~~~~~~
 
 - Modernized the build system to use ``pyproject.toml`` and ``CMake``.
-- External dependencies (``Eigen``, ``nanoflann``, ``pybind11``) are now automatically managed via CMake's ``FetchContent``.
+- External dependencies (``Eigen``, ``nanoflann``, ``pybind11``) are now
+  automatically managed via CMake's ``FetchContent``.
 - Switched to dynamic versioning using ``setuptools_scm``.
 - Relocated the test suite from the source package to a top-level ``tests/`` directory.
-- Update the continuous integration to use cibuildwheel to handle all platforms including manylinux.
+- Update the continuous integration to use cibuildwheel to handle all platforms
+  including manylinux.
+- The location of the SOFA files can be specified by the
+  ``PYROOMACOUSTICS_DATA_PATH`` environment variable.
 
 
 `0.10.0`_ - 2026-04-01

pyroomacoustics/datasets/sofa.py

@@ -67,17 +67,25 @@
   for more details.
 
 
+
+The default location for the SOFA files is in the ``data/sofa`` folder of
+the ``pyroomacoustics`` package. This location can be overridden by setting the
+environment variable ``PYROOMACOUSTICS_DATA_PATH`` to a different path.
+
 """
 
 import json
+import os
 import typing as tp
 from dataclasses import dataclass
 from pathlib import Path
 
 from .utils import AttrDict, download_multiple
 
 _pra_data_folder = Path(__file__).parents[1] / "data"
-DEFAULT_SOFA_PATH = _pra_data_folder / "sofa"
+DEFAULT_SOFA_PATH = Path(
+    os.environ.get("PYROOMACOUSTICS_DATA_PATH", _pra_data_folder / "sofa")
+)
 SOFA_INFO = _pra_data_folder / "sofa_files.json"
 
 _DIRPAT_FILES = [