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dea907be86
Squashed commits: [759372d] address PR comments [2f2a275] wip [cc86b98] wip wip address PR comments attempt to fix pandora test
50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
# Copyright 2024 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# -----------------------------------------------------------------------------
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# Imports
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# -----------------------------------------------------------------------------
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from __future__ import annotations
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import dataclasses
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from typing import List
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from typing_extensions import Self
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# -----------------------------------------------------------------------------
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# Classes
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# -----------------------------------------------------------------------------
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@dataclasses.dataclass
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class Metadata:
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@dataclasses.dataclass
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class Entry:
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tag: int
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data: bytes
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entries: List[Entry]
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@classmethod
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def from_bytes(cls, data: bytes) -> Self:
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entries = []
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offset = 0
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length = len(data)
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while length >= 2:
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entry_length = data[offset]
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entry_tag = data[offset + 1]
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entry_data = data[offset + 2 : offset + 2 + entry_length - 1]
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entries.append(cls.Entry(entry_tag, entry_data))
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length -= entry_length
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offset += entry_length
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return cls(entries)
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