From nobody Tue Feb 10 05:41:52 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=virtuozzo.com ARC-Seal: i=1; a=rsa-sha256; t=1594625358; cv=none; d=zohomail.com; s=zohoarc; b=JB93tySogtmz+z3al04blXwr5YOz1r8IyPWXsUrbNoqkPcUTP7M8DKPVhChMmGWtnLPGQhDFzVoouK8MEyquWuqWQudxeomi9yMRpR0XTYOzvKdQNSv8AEytN7r31AWPHf8qSIOGN0KlEpDNbhpOKuX+wvZkeywmavqIzZW+HBU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1594625358; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=YWkcROxe9xPk3kA61ziIKM2151nfhvMXDIHp0pFydt8=; b=O2YTNS+kHe3qBj4+U7Z8SQG22F4QbsO8V3YruX4w/yWO6nzuZ4RefFzOtElIYtOYnuj8UCVX4+dBUWR5HDbD54L7SRjr7K83yTRdzFh/3febmQz9vBIEHRYgkYvuYYr3oYR+xbyFgTU4W83CKzyUe3UX5Q0NITVpelnpJWb9JlY= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1594625358138732.7832412380119; Mon, 13 Jul 2020 00:29:18 -0700 (PDT) Received: from localhost ([::1]:52102 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1justn-0000xX-Kb for importer@patchew.org; Mon, 13 Jul 2020 03:29:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59486) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jussf-0007fY-4j; Mon, 13 Jul 2020 03:28:05 -0400 Received: from relay.sw.ru ([185.231.240.75]:35088 helo=relay3.sw.ru) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jussc-0007TM-B9; Mon, 13 Jul 2020 03:28:04 -0400 Received: from [172.16.25.136] (helo=localhost.sw.ru) by relay3.sw.ru with esmtp (Exim 4.93) (envelope-from ) id 1jussP-0001Vx-S9; Mon, 13 Jul 2020 10:27:49 +0300 From: Andrey Shinkevich To: qemu-block@nongnu.org Subject: [PATCH v9 08/10] qcow2.py: Introduce '-j' key to dump in JSON format Date: Mon, 13 Jul 2020 10:27:54 +0300 Message-Id: <1594625276-134500-9-git-send-email-andrey.shinkevich@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1594625276-134500-1-git-send-email-andrey.shinkevich@virtuozzo.com> References: <1594625276-134500-1-git-send-email-andrey.shinkevich@virtuozzo.com> 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; helo=lists.gnu.org; Received-SPF: pass client-ip=185.231.240.75; envelope-from=andrey.shinkevich@virtuozzo.com; helo=relay3.sw.ru X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/13 03:27:59 X-ACL-Warn: Detected OS = Linux 3.11 and newer X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, vsementsov@virtuozzo.com, qemu-devel@nongnu.org, mreitz@redhat.com, andrey.shinkevich@virtuozzo.com, den@openvz.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Add the command key to the qcow2.py arguments list to dump QCOW2 metadata in JSON format. Here is the suggested way to do that. The implementation of the dump in JSON format is in the patch that follows. Signed-off-by: Andrey Shinkevich --- tests/qemu-iotests/qcow2.py | 19 +++++++++++++++---- tests/qemu-iotests/qcow2_format.py | 16 ++++++++-------- 2 files changed, 23 insertions(+), 12 deletions(-) diff --git a/tests/qemu-iotests/qcow2.py b/tests/qemu-iotests/qcow2.py index 0910e6a..7402279 100755 --- a/tests/qemu-iotests/qcow2.py +++ b/tests/qemu-iotests/qcow2.py @@ -26,16 +26,19 @@ from qcow2_format import ( ) =20 =20 +dump_json =3D False + + def cmd_dump_header(fd): h =3D QcowHeader(fd) - h.dump() + h.dump(dump_json) print() - h.dump_extensions() + h.dump_extensions(dump_json) =20 =20 def cmd_dump_header_exts(fd): h =3D QcowHeader(fd) - h.dump_extensions() + h.dump_extensions(dump_json) =20 =20 def cmd_set_header(fd, name, value): @@ -134,6 +137,11 @@ cmds =3D [ =20 =20 def main(filename, cmd, args): + global dump_json + dump_json =3D '-j' in sys.argv + if dump_json: + sys.argv.remove('-j') + args.remove('-j') fd =3D open(filename, "r+b") try: for name, handler, num_args, desc in cmds: @@ -151,11 +159,14 @@ def main(filename, cmd, args): =20 =20 def usage(): - print("Usage: %s [, ...]" % sys.argv[0]) + print("Usage: %s [, ...] [, ...]" % sys.argv[0]) print("") print("Supported commands:") for name, handler, num_args, desc in cmds: print(" %-20s - %s" % (name, desc)) + print("") + print("Supported keys:") + print(" %-20s - %s" % ('-j', 'Dump in JSON format')) =20 =20 if __name__ =3D=3D '__main__': diff --git a/tests/qemu-iotests/qcow2_format.py b/tests/qemu-iotests/qcow2_= format.py index 22be3ee..a9bd5a8 100644 --- a/tests/qemu-iotests/qcow2_format.py +++ b/tests/qemu-iotests/qcow2_format.py @@ -109,7 +109,7 @@ class Qcow2Struct(metaclass=3DQcow2StructMeta): self.__dict__ =3D dict((field[2], values[i]) for i, field in enumerate(self.fields)) =20 - def dump(self): + def dump(self, dump_json=3DNone): for f in self.fields: value =3D self.__dict__[f[2]] if isinstance(f[1], str): @@ -140,8 +140,8 @@ class Qcow2BitmapExt(Qcow2Struct): [Qcow2BitmapDirEntry(fd, cluster_size=3Dself.cluster_size) for _ in range(self.nb_bitmaps)] =20 - def dump(self): - super().dump() + def dump(self, dump_json=3DNone): + super().dump(dump_json) for entry in self.bitmap_directory: print() entry.dump() @@ -185,7 +185,7 @@ class Qcow2BitmapDirEntry(Qcow2Struct): self.bitmap_table =3D Qcow2BitmapTable(raw_table=3Dtable, cluster_size=3Dself.cluster_s= ize) =20 - def dump(self): + def dump(self, dump_json=3DNone): print(f'{"Bitmap name":<25} {self.name}') super(Qcow2BitmapDirEntry, self).dump() self.bitmap_table.dump() @@ -293,13 +293,13 @@ class QcowHeaderExtension(Qcow2Struct): else: self.obj =3D None =20 - def dump(self): + def dump(self, dump_json=3DNone): super().dump() =20 if self.obj is None: print(f'{"data":<25} {self.data_str}') else: - self.obj.dump() + self.obj.dump(dump_json) =20 @classmethod def create(cls, magic, data): @@ -398,8 +398,8 @@ class QcowHeader(Qcow2Struct): buf =3D buf[0:header_bytes-1] fd.write(buf) =20 - def dump_extensions(self): + def dump_extensions(self, dump_json=3DNone): for ex in self.extensions: print('Header extension:') - ex.dump() + ex.dump(dump_json) print() --=20 1.8.3.1