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bh=67hPomjxNLOBu5xnnDcvEm19yDZAmkXyoM6jA1VmJsY=; b=EArcuoQDSav0lECru5ASNW9upmRMaatese0JPR90+EBaBT//zT9CwGAyzUIh3ED7RXK/Gz 2I/Wb4l5+JvnBvLGhkfFR0hlNq6RrCSuVI7JZwGGZMxzUw66pw/ZfmPLdSSWum6+uPLzpD Mq1GLcSbBO5Iu5phfduWDnqE3mBsKnk= X-MC-Unique: 0xe8iIbpPAGRIsVXMv8yXg-1 From: John Snow To: qemu-devel@nongnu.org Subject: [PATCH v2 47/72] python/qmp: add parse_address classmethod Date: Tue, 3 Nov 2020 19:35:37 -0500 Message-Id: <20201104003602.1293560-48-jsnow@redhat.com> In-Reply-To: <20201104003602.1293560-1-jsnow@redhat.com> References: <20201104003602.1293560-1-jsnow@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 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" This takes the place of qmp-shell's __get_address function. Signed-off-by: John Snow --- python/qemu/qmp/__init__.py | 26 ++++++++++++++++++++++++++ scripts/qmp/qmp-shell | 27 ++------------------------- 2 files changed, 28 insertions(+), 25 deletions(-) diff --git a/python/qemu/qmp/__init__.py b/python/qemu/qmp/__init__.py index dd211e3f6511..a6e1a7b85775 100644 --- a/python/qemu/qmp/__init__.py +++ b/python/qemu/qmp/__init__.py @@ -97,6 +97,12 @@ def __init__(self, reply: QMPMessage): self.reply =3D reply =20 =20 +class QMPBadPortError(QMPError): + """ + Unable to parse socket address: Port was non-numerical. + """ + + class QEMUMonitorProtocol: """ Provide an API to connect to QEMU via QEMU Monitor Protocol (QMP) and = then @@ -224,6 +230,26 @@ def __exit__(self, # Implement context manager exit function. self.close() =20 + @classmethod + def parse_address(cls, address: str) -> SocketAddrT: + """ + Parse a string into a QMP address. + + Figure out if the argument is in the port:host form. + If it's not, it's probably a file path. + """ + components =3D address.split(':') + if len(components) =3D=3D 2: + try: + port =3D int(components[1]) + except ValueError: + msg =3D f"Bad port: '{components[1]}' in '{address}'." + raise QMPBadPortError(msg) from None + return (components[0], port) + + # Treat as filepath. + return address + def connect(self, negotiate: bool =3D True) -> Optional[QMPMessage]: """ Connect to the QMP Monitor and perform capabilities negotiation. diff --git a/scripts/qmp/qmp-shell b/scripts/qmp/qmp-shell index d5496aeac0bd..5a72b9d39502 100755 --- a/scripts/qmp/qmp-shell +++ b/scripts/qmp/qmp-shell @@ -92,10 +92,6 @@ class QMPShellError(Exception): pass =20 =20 -class QMPShellBadPort(QMPShellError): - pass - - class FuzzyJSON(ast.NodeTransformer): """ This extension of ast.NodeTransformer filters literal "true/false/null" @@ -118,7 +114,7 @@ class FuzzyJSON(ast.NodeTransformer): # _execute_cmd()). Let's design a better one. class QMPShell(qmp.QEMUMonitorProtocol): def __init__(self, address, pretty=3DFalse): - super().__init__(self.__get_address(address)) + super().__init__(self.parse_address(address)) self._greeting =3D None self._completer =3D None self._pretty =3D pretty @@ -128,22 +124,6 @@ class QMPShell(qmp.QEMUMonitorProtocol): '.qmp-shell_history') self._verbose =3D False =20 - @classmethod - def __get_address(cls, arg): - """ - Figure out if the argument is in the port:host form, if it's not i= t's - probably a file path. - """ - addr =3D arg.split(':') - if len(addr) =3D=3D 2: - try: - port =3D int(addr[1]) - except ValueError as err: - raise QMPShellBadPort from err - return addr[0], port - # socket path - return arg - def _fill_completion(self): cmds =3D self.cmd('query-commands') if 'error' in cmds: @@ -337,9 +317,6 @@ class QMPShell(qmp.QEMUMonitorProtocol): =20 return self._execute_cmd(cmdline) =20 - def set_verbosity(self, verbose): - self._verbose =3D verbose - =20 class HMPShell(QMPShell): def __init__(self, address): @@ -447,7 +424,7 @@ def main(): qemu =3D HMPShell(args.qmp_server) else: qemu =3D QMPShell(args.qmp_server, args.pretty) - except QMPShellBadPort: + except qmp.QMPBadPortError: parser.error(f"Bad port number: {args.qmp_server}") return # pycharm doesn't know error() is noreturn =20 --=20 2.26.2