Commit cedb700a authored by Jérome Perrin's avatar Jérome Perrin

component/rpm2cpio: update to current version

parent 9134c976
......@@ -6,5 +6,5 @@ parts =
# https://github.com/ruda/rpm2cpio
recipe = slapos.recipe.build:download
shared = true
url = ${:_profile_base_location_}/${:_buildout_section_name_}
md5sum = aa3a5920a1d8963592be0c2666ee05e2
url = https://raw.githubusercontent.com/ruda/rpm2cpio/5afad4b65e4661a771db6f728abefe2c1e84b9ae/rpm2cpio.py
md5sum = 1cb52f9030304c2b7625657b2ef2379e
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Standalone RPM to CPIO converter
# Copyright (c) 2012 Rudá Moura
# https://github.com/ruda/rpm2cpio
#
# Impove gzip header detection thanks to
# http://afb.users.sourceforge.net/centos/rpm2cpio.py
#
# Copyright (C) 1997,1998,1999, Roger Espel Llima
# Copyright (C) 2000, Sergey Babkin
# Copyright (C) 2009, Alex Kozlov
# Copyright (C) 2010, Anders F Bjorklund
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and any associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# SOFTWARE'S COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE
'''Extract cpio archive from RPM package.
rpm2cpio converts the RPM on standard input or first parameter to a CPIO archive on standard output.
Usage:
rpm2cpio < adjtimex-1.20-2.1.i386.rpm | cpio -it
./sbin/adjtimex
./usr/share/doc/adjtimex-1.20
./usr/share/doc/adjtimex-1.20/COPYING
./usr/share/doc/adjtimex-1.20/COPYRIGHT
./usr/share/doc/adjtimex-1.20/README
./usr/share/man/man8/adjtimex.8.gz
133 blocks
'''
import sys
import struct
import StringIO
import gzip
RPM_MAGIC = '\xed\xab\xee\xdb'
GZIP_MAGIC = '\x1f\x8b'
def rpm2cpio(stream_in=sys.stdin, stream_out=sys.stdout):
lead = stream_in.read(96)
if lead[0:4] != RPM_MAGIC:
raise IOError, 'the input is not a RPM package'
lead = stream_in.read(16)
if not lead:
raise IOError, 'No header'
while True:
(magic, ignore, sections, bytes) = struct.unpack("!LLLL", lead)
(smagic, smagic2) = struct.unpack("!HL", lead[0:6])
if smagic == 0x1f8b:
break
# skip the headers
stream_in.seek(16 * sections + bytes, 1)
while True:
lead = stream_in.read(1)
if lead == "":
raise IOError, 'No header'
if (0,) == struct.unpack("B", lead):
continue
break
lead += stream_in.read(15)
if lead == "":
raise IOError, 'No header'
stream_in.seek(-len(lead), 1)
gzipper = gzip.GzipFile(fileobj=stream_in)
data = gzipper.read()
stream_out.write(data)
if __name__ == '__main__':
if sys.argv[1:]:
try:
fin = open(sys.argv[1])
rpm2cpio(fin)
fin.close()
except IOError, e:
print 'Error:', sys.argv[1], e
else:
try:
rpm2cpio()
except IOError, e:
print 'Error:', e
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