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tff-core

Core architectural linter and fitness function engine for data transformation pipelines.

tff-core executes layer boundary validation, structural graph policies, schema contracts, and duplicate logic detection across dbt, SQLMesh, and Google Cloud Dataform projects.

Installation

Install tff-core with the adapter corresponding to your transformation engine:

# dbt adapter
pip install "tff-core[dbt]"

# SQLMesh adapter
pip install "tff-core[sqlmesh]"

# Dataform adapter
pip install "tff-core[dataform]"

# All adapters
pip install "tff-core[all]"

Architecture

Subsystem Function & Scope
AST & Semantic Parser Extracts AST nodes and semantic relationships using SQLGlot without database connections.
Check Registry Unified execution harness evaluating layer integrity, syntax bans, and duplicate CTEs.
Health Scoring Computes weighted quality metrics (0–100) and penalty distributions.
Adapter Interface Normalizes project manifests and configurations across pipeline engines.

Documentation

For CLI usage, configuration specifications, and rule authoring, refer to the main documentation and the tff repository.

License

Distributed under the MIT License.

Metadata

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