[Libguestfs] Issue with python pip install

[John McDowall]

Richard,

Thanks for fast reply - let me remove all the yum packages and then
build/install from single version.

Regards

John

On 9/14/15, 11:06 AM, "Richard W.M. Jones" <rjones at redhat.com> wrote:

>On Mon, Sep 14, 2015 at 05:48:24PM +0000, John McDowall wrote:
>> I am trying to build a Python application installer that is using
>>libguestfs. I using the instructions to create the python package posted
>>at
>> 
>> 
>>https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_libguestf
>>s_libguestfs_commit_fcbfc4775fa2a44020974073594a745ca420d614&d=AwIDaQ&c=V
>>9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54jEjvA
>>E36A8TVJroVlrOQ&m=-IPoTUqv9RwNuzcUMbulN09BL2qUyaVp0CawpFWfDR0&s=OTJvFjRpY
>>gKWny-76DVZKbuv88vwDejfMPl7J6-A4WI&e=
>> 
>> I am getting errors in the compile when I do the "pip install². I have
>>attached the output from pip. I looked at the code and I do not see
>>anything obvious)
>> 
>> When I do a yum install of python-libguestds.x86_64 the python
>>interface works correctly.
>> 
>> Version/Platform Information
>> 
>> Platform: Centos-7
>> 
>> libguestfs version: 1.31..6
>> 
>> $ uname -a
>>  Linux localhost.localdomain 3.10.0-229.11.1.el7.x86_64 #1 SMP Thu Aug
>>6 01:06:18 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
>> 
>> $ gcc --version
>> gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-9)
>> Copyright (C) 2013 Free Software Foundation, Inc.
>> This is free software; see the source for copying conditions.  There is
>>NO
>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
>>PURPOSE.
>> 
>> $ python --version
>> Python 2.7.5
>> 
>> Any help or suggestions would be appreciated.
>
>I think what is happening is that you've got an older version of
>libguestfs installed than the one you're building the python bindings
>for.
>
>Because libguestfs (eg. git) contains its own python bindings, the
>assumption has always been that the version of libguestfs will be
>exactly the same (ie. all APIs will be present and identical).
>
>If you build different versions, then that's no longer true, so you
>see errors from "missing" APIs (ie. ones not present in your old
>version of libguestfs).  eg:
>
>build/temp.linux-x86_64-2.7/guestfs-py.o
>    guestfs-py.c:310:26: warning: Œstruct guestfs_btrfsbalance¹ declared
>inside
>parameter list [enabled by default]
>     put_btrfsbalance (struct guestfs_btrfsbalance *btrfsbalance)
>                              ^
>
>This could be fixed, but needs patching in generator/python.ml
>upstream.
>
>Rich.
>
>-- 
>Richard Jones, Virtualization Group, Red Hat
>https://urldefense.proofpoint.com/v2/url?u=http-3A__people.redhat.com_-7Er
>jones&d=AwIDaQ&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDp
>fOdPQrz1ED54jEjvAE36A8TVJroVlrOQ&m=-IPoTUqv9RwNuzcUMbulN09BL2qUyaVp0CawpFW
>fDR0&s=Mmb07TGz8PFUIgbQkVudoe7WLhvStKfkBlMU_xywPrg&e=
>Read my programming and virtualization blog:
>https://urldefense.proofpoint.com/v2/url?u=http-3A__rwmj.wordpress.com&d=A
>wIDaQ&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1E
>D54jEjvAE36A8TVJroVlrOQ&m=-IPoTUqv9RwNuzcUMbulN09BL2qUyaVp0CawpFWfDR0&s=5u
>dxKIkjvN0DUi5xvC1UlkztyjoKLwFYv3R-q1vvshg&e=
>libguestfs lets you edit virtual machines.  Supports shell scripting,
>bindings from many languages.
>https://urldefense.proofpoint.com/v2/url?u=http-3A__libguestfs.org&d=AwIDa
>Q&c=V9IgWpI5PvzTw83UyHGVSoW3Uc1MFWe5J8PTfkrzVSo&r=vZ6VUDaavDpfOdPQrz1ED54j
>EjvAE36A8TVJroVlrOQ&m=-IPoTUqv9RwNuzcUMbulN09BL2qUyaVp0CawpFWfDR0&s=isOT9Q
>sPnKPgVpatbcO42QTgPVh1Fo_5XH0bj5-thnE&e=