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bh=kn888XOGJoWD2QFt78fuRBExMTFaJ1fF2Lgz5K7oy8E=; b=ONIZVTmRewiUZG8d0m8dXF1nGkhQhrgFexYmkuhePEL+WdfgBFB230Ytd+gQPiqiKyuw5y gSl4nzhF8FmKE3SfPg48yPF2MkCeJV+tcPD+kLutEsJI0ecTVP+LsL6s970lvnesi7Fg5b SmqNyXt7Ify5EQqzKsTsISZMNzura38= X-MC-Unique: fQcLtrLzMeiv_MgJxhk0ZA-1 From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH 02/20] python/machine.py: Fix monitor address typing Date: Tue, 6 Oct 2020 19:57:59 -0400 Message-Id: <20201006235817.3280413-3-jsnow@redhat.com> In-Reply-To: <20201006235817.3280413-1-jsnow@redhat.com> References: <20201006235817.3280413-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jsnow@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" Prior to this, it's difficult for mypy to intuit what the concrete type of the monitor address is; it has difficulty inferring the type across two variables. Create _monitor_address as a property that always returns a valid address to simplify static type analysis. To preserve our ability to clean up, use a simple boolean to indicate whether or not we should try to clean up the sock file after execution. Signed-off-by: John Snow Reviewed-by: Kevin Wolf --- python/qemu/machine.py | 40 +++++++++++++++++++++++++--------------- 1 file changed, 25 insertions(+), 15 deletions(-) diff --git a/python/qemu/machine.py b/python/qemu/machine.py index bc83f399c1b..3017ec072df 100644 --- a/python/qemu/machine.py +++ b/python/qemu/machine.py @@ -28,6 +28,7 @@ from typing import Optional, Type =20 from . import console_socket, qmp +from .qmp import SocketAddrT =20 =20 LOG =3D logging.getLogger(__name__) @@ -68,7 +69,8 @@ class QEMUMachine: """ =20 def __init__(self, binary, args=3DNone, wrapper=3DNone, name=3DNone, - test_dir=3D"/var/tmp", monitor_address=3DNone, + test_dir=3D"/var/tmp", + monitor_address: Optional[SocketAddrT] =3D None, socket_scm_helper=3DNone, sock_dir=3DNone, drain_console=3DFalse, console_log=3DNone): ''' @@ -95,8 +97,14 @@ def __init__(self, binary, args=3DNone, wrapper=3DNone, = name=3DNone, if sock_dir is None: sock_dir =3D test_dir self._name =3D name - self._monitor_address =3D monitor_address - self._vm_monitor =3D None + if monitor_address is not None: + self._monitor_address =3D monitor_address + self._remove_monitor_sockfile =3D False + else: + self._monitor_address =3D os.path.join( + sock_dir, f"{name}-monitor.sock" + ) + self._remove_monitor_sockfile =3D True self._qemu_log_path =3D None self._qemu_log_file =3D None self._popen =3D None @@ -241,15 +249,17 @@ def _load_io_log(self): =20 def _base_args(self): args =3D ['-display', 'none', '-vga', 'none'] + if self._qmp_set: if isinstance(self._monitor_address, tuple): - moncdev =3D "socket,id=3Dmon,host=3D%s,port=3D%s" % ( - self._monitor_address[0], - self._monitor_address[1]) + moncdev =3D "socket,id=3Dmon,host=3D{},port=3D{}".format( + *self._monitor_address + ) else: - moncdev =3D 'socket,id=3Dmon,path=3D%s' % self._vm_monitor + moncdev =3D f"socket,id=3Dmon,path=3D{self._monitor_addres= s}" args.extend(['-chardev', moncdev, '-mon', 'chardev=3Dmon,mode=3Dcontrol']) + if self._machine is not None: args.extend(['-machine', self._machine]) for _ in range(self._console_index): @@ -274,14 +284,14 @@ def _pre_launch(self): self._qemu_log_file =3D open(self._qemu_log_path, 'wb') =20 if self._qmp_set: - if self._monitor_address is not None: - self._vm_monitor =3D self._monitor_address - else: - self._vm_monitor =3D os.path.join(self._sock_dir, - self._name + "-monitor.soc= k") - self._remove_files.append(self._vm_monitor) - self._qmp =3D qmp.QEMUMonitorProtocol(self._vm_monitor, server= =3DTrue, - nickname=3Dself._name) + if self._remove_monitor_sockfile: + assert isinstance(self._monitor_address, str) + self._remove_files.append(self._monitor_address) + self._qmp =3D qmp.QEMUMonitorProtocol( + self._monitor_address, + server=3DTrue, + nickname=3Dself._name + ) =20 def _post_launch(self): if self._qmp: --=20 2.26.2