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
|
#!/usr/bin/python3
# A simple rpm unpacking demonstration.
# Accepts package files as arguments and unpacks them relative to current
# directory, similar to 'rpm2cpio <pkg> | cpio -idv'.
import rpm
import sys
import stat
import os
def unpack(h, fd):
files = rpm.files(h)
payload = rpm.fd(fd, 'r', h['payloadcompressor'])
archive = files.archive(payload)
for f in archive:
os.makedirs('./%s' % f.dirname, exist_ok=True)
fn = './%s' % f.name
if stat.S_ISREG(f.mode):
if archive.hascontent():
wfd = rpm.fd(fn, 'w')
archive.readto(wfd)
wfd.close()
# handle hardlinks
if f.nlink > 1:
for l in f.links:
if l.name != f.name:
ln = './%s' % l.name
os.link(fn, ln)
elif stat.S_ISDIR(f.mode):
os.mkdir(fn)
elif stat.S_ISLNK(f.mode):
os.symlink(f.linkto, fn)
if __name__ == '__main__':
ts = rpm.ts()
for arg in sys.argv[1:]:
fd = rpm.fd(arg, 'r')
h = ts.hdrFromFdno(fd)
unpack(h, fd)
|
