iscc-lib
High-performance Python bindings for ISO 24138:2024 -- International Standard Content Code (ISCC). Built on a Rust core for speed, with a Pythonic API that is a drop-in replacement for iscc-core.
What is ISCC
The ISCC is a similarity-preserving fingerprint and identifier for digital media assets. ISCCs are generated algorithmically from digital content, just like cryptographic hashes. However, instead of using a single cryptographic hash function to identify data only, the ISCC uses various algorithms to create a composite identifier that exhibits similarity-preserving properties (soft hash).
Installation
pip install iscc-lib
Quick Start
import iscc_lib as ic
result = ic.gen_meta_code_v0("ISCC Test Document!")
print(f"Meta-Code: {result['iscc']}")
API Overview
Code Generators
| Function | Description |
|---|---|
gen_meta_code_v0 |
Generate a Meta-Code from metadata fields |
gen_text_code_v0 |
Generate a Text-Code from plain text |
gen_image_code_v0 |
Generate an Image-Code from pixel data |
gen_audio_code_v0 |
Generate an Audio-Code from Chromaprint data |
gen_video_code_v0 |
Generate a Video-Code from frame signatures |
gen_mixed_code_v0 |
Generate a Mixed-Code from Content-Codes |
gen_data_code_v0 |
Generate a Data-Code from bytes or stream |
gen_instance_code_v0 |
Generate an Instance-Code from bytes or stream |
gen_iscc_code_v0 |
Generate a composite ISCC-CODE |
gen_sum_code_v0 |
Generate an ISCC-SUM from a file path |
Utilities
- Text processing:
text_clean,text_remove_newlines,text_trim,text_collapse - Algorithm primitives:
alg_simhash,alg_minhash_256,alg_cdc_chunks,sliding_window - Soft hashing:
soft_hash_video_v0 - Encoding:
encode_base64 - Codec:
iscc_decompose - Streaming:
DataHasher,InstanceHasher,SumHasherfor incremental processing - Diagnostics:
conformance_selftest
Streaming functions (gen_data_code_v0, gen_instance_code_v0) accept both bytes and file-like
objects (BinaryIO).
Links
License
Apache-2.0
1 maintainer
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