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Merge branch 'master' into 2.0
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@ -61,7 +61,11 @@ class Qcow2:
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struct_format = ">IIQi"
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with open(self._path, 'rb') as f:
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content = f.read(struct.calcsize(struct_format))
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self.magic, self.version, self.backing_file_offset, self.backing_file_size = struct.unpack_from(struct_format, content)
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try:
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self.magic, self.version, self.backing_file_offset, self.backing_file_size = struct.unpack_from(struct_format, content)
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except struct.error:
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raise Qcow2Error("Invalid file header for {}".format(self._path))
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if self.magic != 1363560955: # The first 4 bytes contain the characters 'Q', 'F', 'I' followed by 0xfb.
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raise Qcow2Error("Invalid magic for {}".format(self._path))
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