| # -*- mode: python -*- |
| # qemu_helpers: Helpers to find QEMU and handle its quirks |
| # Copyright © 2014 Andy Lutomirski |
| # Licensed under the GPLv2, which is available in the virtme distribution |
| # as a file called LICENSE with SHA-256 hash: |
| # 8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643 |
| |
| import os |
| import re |
| import shutil |
| import subprocess |
| |
| class Qemu(object): |
| def __init__(self, arch): |
| self.arch = arch |
| |
| self.qemubin = shutil.which('qemu-system-%s' % arch) |
| if self.qemubin is None and arch == os.uname().machine: |
| self.qemubin = shutil.which('qemu-kvm') |
| if self.qemubin is None: |
| raise ValueError('cannot find qemu for %s' % arch) |
| |
| self.version = None |
| |
| def probe(self): |
| if self.version is None: |
| self.version = subprocess.check_output([self.qemubin, '--version'])\ |
| .decode('utf-8') |
| self.cannot_overmount_virtfs = ( |
| re.search(r'version 1\.[012345]', self.version) is not None) |
| |
| def quote_optarg(self, a): |
| """Quote an argument to an option.""" |
| return a.replace(',', ',,') |
| |
