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test_deprecated_function_has_pep702_attribute() — langchain Function Reference

Architecture documentation for the test_deprecated_function_has_pep702_attribute() function in test_deprecation.py from the langchain codebase.

Function python CoreAbstractions RunnableInterface

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Dependency Diagram

graph TD
  74508fbf_29bb_1960_b49a_cec06e5baec8["test_deprecated_function_has_pep702_attribute()"]
  07400ddb_6f57_2ca9_d2d9_e7c7fd98cfc1["test_deprecation.py"]
  74508fbf_29bb_1960_b49a_cec06e5baec8 -->|defined in| 07400ddb_6f57_2ca9_d2d9_e7c7fd98cfc1
  style 74508fbf_29bb_1960_b49a_cec06e5baec8 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/core/tests/unit_tests/_api/test_deprecation.py lines 501–510

def test_deprecated_function_has_pep702_attribute() -> None:
    """Test that deprecated functions have `__deprecated__` attribute."""

    @deprecated(since="2.0.0", removal="3.0.0", alternative="new_function")
    def old_function() -> str:
        """Original doc."""
        return "old"

    assert hasattr(old_function, "__deprecated__")
    assert old_function.__deprecated__ == "Use new_function instead."

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Frequently Asked Questions

What does test_deprecated_function_has_pep702_attribute() do?
test_deprecated_function_has_pep702_attribute() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/_api/test_deprecation.py.
Where is test_deprecated_function_has_pep702_attribute() defined?
test_deprecated_function_has_pep702_attribute() is defined in libs/core/tests/unit_tests/_api/test_deprecation.py at line 501.

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