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24 lines
648 B
Python
24 lines
648 B
Python
"""Serialization
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INTERNAL
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Methods to serialize and deserialize data for storage in Blyss.
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"""
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from typing import Optional, Union, Any
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import json
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from . import varint
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# Set of acceptable object types for client payload.
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# Essentially, any JSONable type or raw bytes.
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ClientPayloadType = Union[bytes, str, list[Any], dict[Any, Any]]
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def wrap_key_val(key: bytes, value: bytes) -> bytes:
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"""
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Wraps a key and value into a single bytes sequence, following Blyss "kv-item" spec.
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"""
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key_len_varint = varint.encode(len(key))
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value_len_varint = varint.encode(len(value))
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return key_len_varint + key + value_len_varint + value
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