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Mon, 19 Aug 2019 20:19:28 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 8/8] iotests: Cache supported_formats() 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: Kevin Wolf , Thomas Huth , John Snow , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Signed-off-by: Max Reitz Reviewed-by: John Snow --- tests/qemu-iotests/iotests.py | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 8f315538e9..f6492b355f 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -884,9 +884,17 @@ def qemu_pipe(*args): def supported_formats(read_only=3DFalse): '''Set 'read_only' to True to check ro-whitelist Otherwise, rw-whitelist is checked''' - format_message =3D qemu_pipe("-drive", "format=3Dhelp") - line =3D 1 if read_only else 0 - return format_message.splitlines()[line].split(":")[1].split() + + if not hasattr(supported_formats, "formats"): + supported_formats.formats =3D {} + + if read_only not in supported_formats.formats: + format_message =3D qemu_pipe("-drive", "format=3Dhelp") + line =3D 1 if read_only else 0 + supported_formats.formats[read_only] =3D \ + format_message.splitlines()[line].split(":")[1].split() + + return supported_formats.formats[read_only] =20 def skip_if_unsupported(required_formats=3D[], read_only=3DFalse): '''Skip Test Decorator --=20 2.21.0