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from __future__ import print_function
import os
import sys
import argparse
import tarfile
import subprocess
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
def pack_dir(dir_path, dest_path):
dir_path = os.path.abspath(dir_path)
for tar_exe in ('/usr/bin/tar', '/bin/tar'):
if is_exe(tar_exe):
subprocess.check_call(
[tar_exe, '-cf', dest_path, '-C', os.path.dirname(dir_path), os.path.basename(dir_path)]
)
break
else:
with tarfile.open(dest_path, 'w') as out:
out.add(dir_path, arcname=os.path.basename(dir_path))
def unpack_dir(tared_dir, dest_path):
tared_dir = os.path.abspath(tared_dir)
if not os.path.exists(dest_path):
os.makedirs(dest_path)
for tar_exe in ('/usr/bin/tar', '/bin/tar'):
if is_exe(tar_exe):
subprocess.check_call([tar_exe, '-xf', tared_dir, '-C', dest_path])
break
else:
with tarfile.open(tared_dir, 'r') as tar_file:
tar_file.extractall(dest_path)
# Must only be used to pack directories in build root
# Must silently accept empty list of dirs and do nothing in such case (workaround for ymake.core.conf limitations)
def main(args):
parser = argparse.ArgumentParser()
parser.add_argument('--pack', action='store_true', default=False)
parser.add_argument('--unpack', action='store_true', default=False)
parser.add_argument('--ext')
parser.add_argument('--outs', nargs='*', default=[])
parser.add_argument('dirs', nargs='*')
args = parser.parse_args(args)
if args.pack:
if len(args.dirs) != len(args.outs):
print("Number and oder of dirs to pack must match to the number and order of outs", file=sys.stderr)
return 1
for dir, dest in zip(args.dirs, args.outs):
pack_dir(dir, dest)
elif args.unpack:
for tared_dir in args.dirs:
if not tared_dir.endswith(args.ext):
print(
"Requested to unpack '{}' which do not have required extension '{}'".format(tared_dir, args.ext),
file=sys.stderr,
)
return 1
dest = os.path.dirname(tared_dir)
unpack_dir(tared_dir, dest)
else:
print("Neither --pack nor --unpack specified. Don't know what to do.", file=sys.stderr)
return 1
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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