diff options
| -rw-r--r-- | tests/qemu-iotests/qcow2_format.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/qemu-iotests/qcow2_format.py b/tests/qemu-iotests/qcow2_format.py index 5a298b2f13..8adc9959e1 100644 --- a/tests/qemu-iotests/qcow2_format.py +++ b/tests/qemu-iotests/qcow2_format.py @@ -19,6 +19,15 @@ import struct import string +import json + + +class ComplexEncoder(json.JSONEncoder): + def default(self, obj): + if hasattr(obj, 'to_json'): + return obj.to_json() + else: + return json.JSONEncoder.default(self, obj) class Qcow2Field: @@ -110,6 +119,10 @@ class Qcow2Struct(metaclass=Qcow2StructMeta): for i, field in enumerate(self.fields)) def dump(self, is_json=False): + if is_json: + print(json.dumps(self.to_json(), indent=4, cls=ComplexEncoder)) + return + for f in self.fields: value = self.__dict__[f[2]] if isinstance(f[1], str): @@ -445,6 +458,10 @@ class QcowHeader(Qcow2Struct): fd.write(buf) def dump_extensions(self, is_json=False): + if is_json: + print(json.dumps(self.extensions, indent=4, cls=ComplexEncoder)) + return + for ex in self.extensions: print('Header extension:') ex.dump() |