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Re: [Qemu-devel] Making QEMU build with Python 3
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-devel] Making QEMU build with Python 3 |
Date: |
Wed, 9 Aug 2017 09:53:43 -0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
Hi Stefan,
On 08/09/2017 07:16 AM, Stefan Hajnoczi wrote:
[...]> Python scripts needed to build QEMU are the highest priority. They
are invoked by ./configure or make. I've identified the following:
scripts/signrom.py
scripts/qapi*.py
scripts/modules/module_block.py
scripts/tracetool*
[...]
The fundamentals of adding Python 3 support are:
1. The script must work correctly under both Python 2.6+ and Python 3.
[...]
3. Avoid third-party package dependencies - QEMU currently has none!
This seems true for the "invoked by ./configure or make" set. However:
scripts/qemu-gdb.py:20:import gdb
scripts/qemugdb/aio.py:13:import gdb
scripts/qemugdb/coroutine.py:16:import gdb
scripts/qemugdb/mtree.py:18:import gdb
I just checked gdb8 and can't confirm python3 build works.
Also another 3rd party (python3 compliant):
scripts/analyze-migration.py:20:import numpy as np
Off-topic but we might document how to install dependencies for those
scripts?
That means do not use 'six' or 'python-future'. Our use of Python
isn't that fancy, but if you feel a third party package is essential
the please justify it.
[...]
Regards,
Phil.