1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#!/usr/bin/env python3
# #############################################################################
# Copyright (c) 2018-present lzutao <taolzu(at)gmail.com>
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# #############################################################################
import errno
import os
def mkdir_p(path, dir_mode=0o777):
try:
os.makedirs(path, mode=dir_mode)
except OSError as exc: # Python >2.5
if exc.errno == errno.EEXIST and os.path.isdir(path):
pass
else:
raise
def InstallSymlink(src, dst, install_dir, dst_is_dir=False, dir_mode=0o777):
if not os.path.exists(install_dir):
mkdir_p(install_dir, dir_mode)
if not os.path.isdir(install_dir):
raise NotADirectoryError(install_dir)
new_dst = os.path.join(install_dir, dst)
if os.path.islink(new_dst) and os.readlink(new_dst) == src:
print('File exists: %r -> %r' % (dst, src))
return
print('Installing symlink %r -> %r' % (new_dst, src))
os.symlink(src, new_dst, dst_is_dir)
def main():
import argparse
parser = argparse.ArgumentParser(description='Install a symlink.\n',
usage='usage: InstallSymlink.py [-h] [-d] [-m MODE] src dst '
'install_dir\n\n'
'example:\n'
'\tInstallSymlink.py libcrypto.so.1.0.0 libcrypt.so '
'/usr/lib/x86_64-linux-gnu False')
parser.add_argument('src', help='target to link')
parser.add_argument('dst', help='link name')
parser.add_argument('install_dir', help='installation directory')
parser.add_argument('-d', '--isdir',
action='store_true',
help='dst is a directory')
parser.add_argument('-m', '--mode',
help='directory mode on creating if not exist',
default='0o777')
args = parser.parse_args()
src = args.src
dst = args.dst
install_dir = args.install_dir
dst_is_dir = args.isdir
dir_mode = int(args.mode, 8)
DESTDIR = os.environ.get('DESTDIR')
if DESTDIR:
install_dir = DESTDIR + install_dir if os.path.isabs(install_dir) \
else os.path.join(DESTDIR, install_dir)
InstallSymlink(src, dst, install_dir, dst_is_dir, dir_mode)
if __name__ == '__main__':
main()
|
