{"library":"sigtools","title":"Utilities for working with inspect.Signature objects","description":"sigtools is a Python package that enhances introspection capabilities for determining function signatures, especially when decorators modify them. It provides utilities for boosting callable signature introspection, backports keyword-only parameters for older Python versions (though current versions are Python 3+), and tools for combining functions while preserving correct signatures. The current version is 4.0.1, with releases occurring periodically to maintain compatibility and add features.","language":"python","status":"active","last_verified":"Wed May 20","install":{"commands":["pip install sigtools"],"cli":null},"imports":["from sigtools import signature","from sigtools import specifiers","from sigtools import wrappers","from sigtools import modifiers"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"from sigtools import signature\n\ndef original_func(a, b):\n    pass\n\n@signature(original_func)\ndef wrapped_func(c, d):\n    # This function's signature is now effectively (a, b) due to @signature(original_func)\n    pass\n\nprint(f\"Original signature: {signature(original_func)}\")\nprint(f\"Wrapped signature: {signature(wrapped_func)}\")\n","lang":"python","description":"This example demonstrates how to use `sigtools.signature` to introspect a function and how the `@signature` decorator can be used to explicitly set a function's introspectable 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