llvm-project/libcxx/utils/run.py

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#===----------------------------------------------------------------------===##
#
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
#===----------------------------------------------------------------------===##
"""run.py is a utility for running a program.
It can perform code signing, forward arguments to the program, and return the
program's error code.
"""
import argparse
import os
import shutil
import subprocess
import sys
import tempfile
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--codesign_identity', type=str, required=False, default=None)
parser.add_argument('--dependencies', type=str, nargs='*', required=False, default=[])
parser.add_argument('--env', type=str, nargs='*', required=False, default=dict())
(args, remaining) = parser.parse_known_args(sys.argv[1:])
if len(remaining) < 2:
sys.stderr.write('Missing actual commands to run')
exit(1)
remaining = remaining[1:] # Skip the '--'
# Do any necessary codesigning.
if args.codesign_identity:
exe = remaining[0]
rc = subprocess.call(['xcrun', 'codesign', '-f', '-s', args.codesign_identity, exe], env={})
if rc != 0:
sys.stderr.write('Failed to codesign: ' + exe)
return rc
# Extract environment variables into a dictionary
env = {k : v for (k, v) in map(lambda s: s.split('=', 1), args.env)}
try:
tmpDir = tempfile.mkdtemp()
# Ensure the file dependencies exist and copy them to a temporary directory.
for dep in args.dependencies:
if not os.path.exists(dep):
sys.stderr.write('Missing file or directory "{}" marked as a dependency of a test'.format(dep))
exit(1)
if os.path.isdir(dep):
shutil.copytree(dep, os.path.join(tmpDir, os.path.basename(dep)), symlinks=True)
else:
shutil.copy2(dep, tmpDir)
# Run the executable with the given environment in the temporary directory.
return subprocess.call(' '.join(remaining), cwd=tmpDir, env=env, shell=True)
finally:
shutil.rmtree(tmpDir)
if __name__ == '__main__':
exit(main())