73 lines
2.3 KiB
Python
73 lines
2.3 KiB
Python
#!/usr/bin/env python3
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# #############################################################################
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# Copyright (c) 2018-present lzutao <taolzu(at)gmail.com>
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# All rights reserved.
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#
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# This source code is licensed under both the BSD-style license (found in the
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# LICENSE file in the root directory of this source tree) and the GPLv2 (found
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# in the COPYING file in the root directory of this source tree).
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# #############################################################################
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import errno
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import os
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def mkdir_p(path, dir_mode=0o777):
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try:
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os.makedirs(path, mode=dir_mode)
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except OSError as exc: # Python >2.5
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if exc.errno == errno.EEXIST and os.path.isdir(path):
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pass
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else:
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raise
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def InstallSymlink(src, dst, install_dir, dst_is_dir=False, dir_mode=0o777):
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if not os.path.exists(install_dir):
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mkdir_p(install_dir, dir_mode)
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if not os.path.isdir(install_dir):
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raise NotADirectoryError(install_dir)
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new_dst = os.path.join(install_dir, dst)
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if os.path.islink(new_dst) and os.readlink(new_dst) == src:
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print('File exists: %r -> %r' % (dst, src))
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return
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print('Installing symlink %r -> %r' % (new_dst, src))
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os.symlink(src, new_dst, dst_is_dir)
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def main():
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import argparse
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parser = argparse.ArgumentParser(description='Install a symlink.\n',
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usage='usage: InstallSymlink.py [-h] [-d] [-m MODE] src dst '
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'install_dir\n\n'
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'example:\n'
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'\tInstallSymlink.py libcrypto.so.1.0.0 libcrypt.so '
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'/usr/lib/x86_64-linux-gnu False')
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parser.add_argument('src', help='target to link')
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parser.add_argument('dst', help='link name')
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parser.add_argument('install_dir', help='installation directory')
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parser.add_argument('-d', '--isdir',
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action='store_true',
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help='dst is a directory')
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parser.add_argument('-m', '--mode',
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help='directory mode on creating if not exist',
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default='0o777')
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args = parser.parse_args()
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src = args.src
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dst = args.dst
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install_dir = args.install_dir
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dst_is_dir = args.isdir
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dir_mode = int(args.mode, 8)
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DESTDIR = os.environ.get('DESTDIR')
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if DESTDIR:
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install_dir = DESTDIR + install_dir if os.path.isabs(install_dir) \
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else os.path.join(DESTDIR, install_dir)
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InstallSymlink(src, dst, install_dir, dst_is_dir, dir_mode)
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if __name__ == '__main__':
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main()
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