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Lisa Casino
slapos
Commits
9fd960a7
Commit
9fd960a7
authored
May 28, 2020
by
Gabriel Monnerat
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rpm2cpio: Support python 3
parent
4a984112
Changes
2
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2 changed files
with
104 additions
and
72 deletions
+104
-72
component/rpm2cpio/buildout.cfg
component/rpm2cpio/buildout.cfg
+1
-1
component/rpm2cpio/rpm2cpio
component/rpm2cpio/rpm2cpio
+103
-71
No files found.
component/rpm2cpio/buildout.cfg
View file @
9fd960a7
...
@@ -6,4 +6,4 @@ parts =
...
@@ -6,4 +6,4 @@ parts =
# https://github.com/ruda/rpm2cpio
# https://github.com/ruda/rpm2cpio
recipe = slapos.recipe.build:download
recipe = slapos.recipe.build:download
url = ${:_profile_base_location_}/${:_buildout_section_name_}
url = ${:_profile_base_location_}/${:_buildout_section_name_}
md5sum =
aa3a5920a1d8963592be0c2666ee05e2
md5sum =
cc898f0b12f7264bcc21738473a4da88
component/rpm2cpio/rpm2cpio
View file @
9fd960a7
#!/usr/bin/env python
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# -*- coding: utf-8 -*-
#
#
# Standalone RPM to CPIO converter
# Lightweight RPM to CPIO converter.
# Copyright (c) 2012 Rudá Moura
# Copyright © 2008-2017 Rudá Moura. All rights reserved.
# 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.
'''Extract cpio archive from RPM package.
...
@@ -46,57 +20,115 @@ rpm2cpio < adjtimex-1.20-2.1.i386.rpm | cpio -it
...
@@ -46,57 +20,115 @@ rpm2cpio < adjtimex-1.20-2.1.i386.rpm | cpio -it
133 blocks
133 blocks
'''
'''
from
__future__
import
print_function
import
sys
import
sys
import
struct
import
StringIO
import
gzip
import
gzip
import
subprocess
from
io
import
BytesIO
HAS_LZMA_MODULE
=
True
try
:
import
lzma
except
ImportError
:
try
:
import
backports.lzma
as
lzma
except
ImportError
:
HAS_LZMA_MODULE
=
False
RPM_MAGIC
=
'
\
xed
\
xab
\
xee
\
xdb
'
GZIP_MAGIC
=
'
\
x1f
\
x8b
'
RPM_MAGIC
=
b'
\
xed
\
xab
\
xee
\
xdb
'
GZIP_MAGIC
=
b'
\
x1f
\
x8b
'
def
rpm2cpio
(
stream_in
=
sys
.
stdin
,
stream_out
=
sys
.
stdout
):
XZ_MAGIC
=
b'
\
xfd
7zXZ
\
x00
'
lead
=
stream_in
.
read
(
96
)
if
lead
[
0
:
4
]
!=
RPM_MAGIC
:
raise
IOError
,
'the input is not a RPM package'
def
gzip_decompress
(
data
):
lead
=
stream_in
.
read
(
16
)
gzstream
=
BytesIO
(
data
)
if
not
lead
:
gzipper
=
gzip
.
GzipFile
(
fileobj
=
gzstream
)
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
()
data
=
gzipper
.
read
()
stream_out
.
write
(
data
)
return
data
if
__name__
==
'__main__'
:
if
sys
.
argv
[
1
:]:
def
xz_decompress
(
data
):
if
HAS_LZMA_MODULE
:
return
lzma
.
decompress
(
data
)
unxz
=
subprocess
.
Popen
([
'unxz'
],
stdin
=
subprocess
.
PIPE
,
stdout
=
subprocess
.
PIPE
)
data
=
unxz
.
communicate
(
input
=
data
)[
0
]
return
data
def
is_rpm
(
reader
):
lead
=
reader
.
read
(
96
)
return
lead
[
0
:
4
]
==
RPM_MAGIC
def
extract_cpio
(
reader
):
data
=
reader
.
read
()
decompress
=
None
idx
=
data
.
find
(
XZ_MAGIC
)
if
idx
!=
-
1
:
decompress
=
xz_decompress
pos
=
idx
idx
=
data
.
find
(
GZIP_MAGIC
)
if
idx
!=
-
1
and
decompress
is
None
:
decompress
=
gzip_decompress
pos
=
idx
if
decompress
is
None
:
return
None
data
=
decompress
(
data
[
pos
:])
return
data
def
rpm2cpio
(
stream_in
=
None
,
stream_out
=
None
):
if
stream_in
is
None
:
stream_in
=
sys
.
stdin
if
stream_out
is
None
:
stream_out
=
sys
.
stdout
try
:
reader
=
stream_in
.
buffer
writer
=
stream_out
.
buffer
except
AttributeError
:
reader
=
stream_in
writer
=
stream_out
if
not
is_rpm
(
reader
):
raise
IOError
(
'the input is not a RPM package'
)
cpio
=
extract_cpio
(
reader
)
if
cpio
is
None
:
raise
IOError
(
'could not find compressed cpio archive'
)
writer
.
write
(
cpio
)
def
main
(
args
=
None
):
if
args
is
None
:
args
=
sys
.
argv
if
args
[
1
:]:
try
:
try
:
fin
=
open
(
sys
.
argv
[
1
])
fin
=
open
(
args
[
1
])
rpm2cpio
(
fin
)
rpm2cpio
(
fin
)
fin
.
close
()
fin
.
close
()
except
IOError
,
e
:
except
IOError
as
e
:
print
'Error:'
,
sys
.
argv
[
1
],
e
print
(
'Error:'
,
args
[
1
],
e
)
sys
.
exit
(
1
)
except
OSError
as
e
:
print
(
'Error: could not find lzma extractor'
)
print
(
"Please, install Python's lzma module or the xz utility"
)
sys
.
exit
(
1
)
else
:
else
:
try
:
try
:
rpm2cpio
()
rpm2cpio
()
except
IOError
,
e
:
except
IOError
as
e
:
print
'Error:'
,
e
print
(
'Error:'
,
e
)
sys
.
exit
(
1
)
except
OSError
as
e
:
print
(
'Error: could not find lzma extractor'
)
print
(
"Please install Python's lzma module or the xz utility"
)
sys
.
exit
(
1
)
if
__name__
==
'__main__'
:
try
:
main
()
except
KeyboardInterrupt
:
print
(
'Interrupted!'
)
\ No newline at end of file
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