Add install_requirements.{sh,py} that only install requirements

Now that the previous PR renamed install_requirements to install_executorch, we can use those names for scripts that actually just install requirements.

ghstack-source-id: 8c1035d
ghstack-comment-id: 2597040494
Pull Request resolved: #7715

Author: swolchok

install_executorch.sh

@@ -7,19 +7,4 @@
 
 # Before doing anything, cd to the directory containing this script.
 cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null || /bin/true
-
-# Find the names of the python tools to use.
-if [[ -z $PYTHON_EXECUTABLE ]];
-then
-  if [[ -z $CONDA_DEFAULT_ENV ]] || [[ $CONDA_DEFAULT_ENV == "base" ]] || [[ ! -x "$(command -v python)" ]];
-  then
-    PYTHON_EXECUTABLE=python3
-  else
-    PYTHON_EXECUTABLE=python
-  fi
-fi
-
-$PYTHON_EXECUTABLE ./install_executorch.py "$@"
-
-# Exit with the same status as the python script.
-exit $?
+./run_python_script.sh ./install_executorch.py "$@"

install_requirements.py

@@ -0,0 +1,28 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# Copyright 2024-25 Arm Limited and/or its affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+import argparse
+import sys
+
+import install_executorch
+
+
+def main(args):
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--use-pt-pinned-commit",
+        action="store_true",
+        help="build from the pinned PyTorch commit instead of nightly",
+    )
+    args = parser.parse_args(args)
+    install_executorch.install_requirements(
+        use_pytorch_nightly=not bool(args.use_pt_pinned_commit)
+    )
+
+
+if __name__ == "__main__":
+    main(sys.argv[1:])

install_requirements.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+# Before doing anything, cd to the directory containing this script.
+cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null || /bin/true
+./run_python_script.sh ./install_requirements.py "$@"

run_python_script.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+# Before doing anything, cd to the directory containing this script.
+cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null || /bin/true
+
+# Find the names of the python tools to use.
+if [[ -z $PYTHON_EXECUTABLE ]];
+then
+  if [[ -z $CONDA_DEFAULT_ENV ]] || [[ $CONDA_DEFAULT_ENV == "base" ]] || [[ ! -x "$(command -v python)" ]];
+  then
+    PYTHON_EXECUTABLE=python3
+  else
+    PYTHON_EXECUTABLE=python
+  fi
+fi
+
+SCRIPT="$1"; shift
+$PYTHON_EXECUTABLE $SCRIPT "$@"
+
+# Exit with the same status as the python script.
+exit $?