On Thu, Sep 14, 2017 at 03:05:15PM +0200, Michal Privoznik wrote:
On 09/14/2017 02:42 PM, Daniel P. Berrange wrote:
> On Thu, Sep 14, 2017 at 01:41:08PM +0200, Michal Privoznik wrote:
>> Currently, we require 0.9.11. However, some APIs are missing
>> there and thus sanity check fails:
>>
>> DEBUG: /usr/bin/python sanitytest.py build/lib.linux-s390x-2.7
/usr/share/libvirt/api/libvirt-api.xml
>> DEBUG: FAIL virStream.sparseRecvAll (Python API not mapped to C)
>> DEBUG: FAIL virStream.sparseSendAll (Python API not mapped to C)
>> DEBUG: error: command '/usr/bin/python' failed with exit status 1
>>
>> I'm not sure how to fix that so raising minimal required libvirt
>> version is the solution.
>>
>> Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
>> ---
>> setup.py | 2 +-
>> README | 2 +-
>> libvirt-override.c | 149 -----------------------------------------------------
>> 3 files changed, 2 insertions(+), 151 deletions(-)
>>
>> diff --git a/setup.py b/setup.py
>> index f33ff1a..f929eb2 100755
>> --- a/setup.py
>> +++ b/setup.py
>> @@ -17,7 +17,7 @@ import re
>> import shutil
>> import time
>>
>> -MIN_LIBVIRT = "0.9.11"
>> +MIN_LIBVIRT = "3.4.0"
>
> NACK, we cannot do this - it will break many people and apps (OpenStack
> in particular) who expect latest libvirt on pypi to work with historical
> C libs.
I don't know how pypi works, but if somebody distributes just
libvirt-python and doesn't ship libvirt.so too, such process is broken
already because libvirt-python could have been compiled with one version
of libvirt while user might be running a different one. So shipping
libvirt.so is the only way. And since libvirt-python doesn't add any new
features compared to bare libvirt, why on earth would somebody want to
run latest libvirt-python but an ancient libvirt? It doesn't make much
sense to update one without other.
Pypi only ships the source tar.gz. When you pip install libvirt-python
it is then built against the libvirt C library you have installed. The
newer libvirt-python bindings sometimes fix bugs wrt bindings of previously
existing APIs, so there is a reason to run newer libvirt-python. In addition
building libvirt-python from pypi instead of relying on distro installed
RPMs of libvirt-python lets apps use arbitrary versions of python, not just
the one the distro built against. This all works very well and is relied
upon by OpenStack.
Regards,
Daniel
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