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Re: [PATCH v11 10/11] qcow2_format.py: introduce Qcow2HeaderExtensionsDo

From: Andrey Shinkevich
Subject: Re: [PATCH v11 10/11] qcow2_format.py: introduce Qcow2HeaderExtensionsDoc class
Date: Thu, 30 Jul 2020 17:24:08 +0300
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.9.0

On 28.07.2020 14:36, Vladimir Sementsov-Ogievskiy wrote:
17.07.2020 11:14, Andrey Shinkevich wrote:
Per original script design, QcowHeader class may dump the QCOW2 header
info separately from the QCOW2 extensions info. To implement the
to_dict() method for dumping extensions, let us introduce the class

I think, when dumping to qcow2, no needs to omit extensions, let's just always dump them.

Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
  tests/qemu-iotests/qcow2_format.py | 9 +++++++++
  1 file changed, 9 insertions(+)

diff --git a/tests/qemu-iotests/qcow2_format.py b/tests/qemu-iotests/qcow2_format.py
index 19d29b8..d2a8659 100644
--- a/tests/qemu-iotests/qcow2_format.py
+++ b/tests/qemu-iotests/qcow2_format.py
@@ -248,6 +248,15 @@ class Qcow2BitmapTable:
          return dict(entries=self.entries)
    +class Qcow2HeaderExtensionsDoc:
+    def __init__(self, extensions):
+        self.extensions = extensions
+    def to_dict(self):
+        return dict(Header_extensions=self.extensions)


Sorry. I ment the non-JSON format dump as the original capitalized 'H'. The class Qcow2HeaderExtensionsDoc has been removed in the next v12.


  QCOW2_EXT_MAGIC_BITMAPS = 0x23852875

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