Module compression 

Compression utilities for Heddle storage.

Provides configurable compression with support for:

• zstd: High compression ratio, good speed
• Delta encoding: For similar versions of the same file

Structs

CompressionConfig

Compression configuration.

Enums

CompressionDictionary

A versioned zstd dictionary available to object encoders.

CompressionError

Compression error type.

Functions

compress

Compress data with automatic algorithm selection.

compress_with_dictionary

Compress data with a durable, versioned dictionary.

decompress

Decompress data based on header.

decompress_with_dictionary

Decompress data that uses the dictionary compression wrapper.

header_uncompressed_size

Peek at the recorded uncompressed size in a header-prefixed blob, without decompressing the payload. Returns None for short or unprefixed inputs (the caller can then fall back to the file length).

is_compressed

Check if data is compressed (has compression header).