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qcow2_format.py: make printable data an extension class member

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Let us differ binary data type from string one for the extension data
variable and keep the string as the QcowHeaderExtension class member.

Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <1596742557-320265-3-git-send-email-andrey.shinkevich@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Andrey Shinkevich 2020-08-06 22:35:48 +03:00 • committed by Eric Blake
parent bf654b37e1
commit 4539b3645b
1 changed files with 8 additions and 6 deletions
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14
tests/qemu-iotests/qcow2_format.py
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@ -165,6 +165,13 @@ class QcowHeaderExtension(Qcow2Struct):
self.data = fd.read(padded)
assert self.data is not None
data_str = self.data[:self.length]
if all(c in string.printable.encode('ascii') for c in data_str):
data_str = f"'{ data_str.decode('ascii') }'"
else:
data_str = '<binary>'
self.data_str = data_str
if self.magic == QCOW2_EXT_MAGIC_BITMAPS:
self.obj = Qcow2BitmapExt(data=self.data)
else:
@ -174,12 +181,7 @@ class QcowHeaderExtension(Qcow2Struct):
super().dump()
if self.obj is None:
data = self.data[:self.length]
if all(c in string.printable.encode('ascii') for c in data):
data = f"'{ data.decode('ascii') }'"
else:
data = '<binary>'
print(f'{"data":<25} {data}')
print(f'{"data":<25} {self.data_str}')
else:
self.obj.dump()