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diff --git a/src/installer/__main__.py b/src/installer/__main__.py
index 51014b9..45682d0 100644
--- a/src/installer/__main__.py
+++ b/src/installer/__main__.py
@@ -30,6 +30,13 @@ def _get_main_parser() -> argparse.ArgumentParser:
type=str,
help="override prefix to install packages to",
)
+ parser.add_argument(
+ "--executable",
+ metavar="path",
+ default=sys.executable,
+ type=str,
+ help="#! executable to install scripts with (default=sys.executable)",
+ )
parser.add_argument(
"--compile-bytecode",
action="append",
@@ -86,7 +93,7 @@ def _main(cli_args: Sequence[str], program: Optional[str] = None) -> None:
with WheelFile.open(args.wheel) as source:
destination = SchemeDictionaryDestination(
scheme_dict=_get_scheme_dict(source.distribution, prefix=args.prefix),
- interpreter=sys.executable,
+ interpreter=args.executable,
script_kind=get_launcher_kind(),
bytecode_optimization_levels=bytecode_levels,
destdir=args.destdir,
@@ -94,5 +101,6 @@ def _main(cli_args: Sequence[str], program: Optional[str] = None) -> None:
installer.install(source, destination, {})
+
if __name__ == "__main__": # pragma: no cover
_main(sys.argv[1:], "python -m installer")
diff --git a/tests/test_main.py b/tests/test_main.py
index 391a13d..d7b4192 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -53,6 +53,28 @@ def test_main_prefix(fancy_wheel, tmp_path):
}
+def test_main_executable(fancy_wheel, tmp_path):
+ destdir = tmp_path / "dest"
+
+ main(
+ [
+ str(fancy_wheel),
+ "-d",
+ str(destdir),
+ "--executable",
+ "/monty/python3.x",
+ ],
+ "python -m installer",
+ )
+
+ installed_scripts = destdir.rglob("bin/*")
+
+ for f in installed_scripts:
+ with f.open("rb") as fp:
+ shebang = fp.readline()
+ assert shebang == b"#!/monty/python3.x\n"
+
+
def test_main_no_pyc(fancy_wheel, tmp_path):
destdir = tmp_path / "dest"
|
