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#!/usr/bin/env python3
# Copyright (c) 2022 Arm Limited. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
import os
import subprocess
import sys
from argparse import ArgumentParser
def check_update_resources_downloaded(
resource_downloaded_dir: str, set_up_script_path: str
):
"""
Function that check if the resources downloaded need to be refreshed.
Parameters:
----------
resource_downloaded_dir (string): Specifies the path to resources_downloaded folder.
set_up_script_path (string): Specifies the path to set_up_default_resources.py file.
"""
metadata_file_path = os.path.join(
resource_downloaded_dir, "resources_downloaded_metadata.json"
)
if os.path.isfile(metadata_file_path):
with open(metadata_file_path) as metadata_json:
metadata_dict = json.load(metadata_json)
set_up_script_hash = metadata_dict["set_up_script_hash"]
command = f"git log -1 --pretty=tformat:%H {set_up_script_path}"
proc = subprocess.run(
command, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell=True
)
git_commit_hash = proc.stdout.decode("utf-8").strip("\n")
proc.check_returncode()
if set_up_script_hash == git_commit_hash:
return 0
# Return code 1 if the resources need to be refreshed.
return 1
# Return error code 2 if the file doesn't exists.
return 2
if __name__ == "__main__":
parser = ArgumentParser()
parser.add_argument(
"--resource_downloaded_dir", help="Resources downloaded directory.", type=str
)
parser.add_argument(
"--setup_script_path", help="Path to set_up_default_resources.py.", type=str
)
args = parser.parse_args()
# Check if the repo root directory is a git repository
root_file_dir = os.path.dirname(os.path.abspath(args.setup_script_path))
is_git_repo = os.path.exists(os.path.join(root_file_dir, ".git"))
# if we have a git repo then check the resources are downloaded,
# otherwise it's considered a prerequisite to have run
# the set_up_default_resources.py
status = (
check_update_resources_downloaded(
args.resource_downloaded_dir, args.setup_script_path
)
if is_git_repo
else 0
)
sys.exit(status)
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