Function feature_remove_dependency

mcp_server/feature_mcp.py:746–781

Remove a dependency from a feature. Args: feature_id: The ID of the feature to remove a dependency from dependency_id: The ID of the dependency to remove Returns: JSON with success status and updated dependencies list, or error message

(
    feature_id: Annotated[int, Field(ge=1, description="Feature to remove dependency from")],
    dependency_id: Annotated[int, Field(ge=1, description="ID of dependency to remove")]
)

@mcp.tool()
def feature_remove_dependency(
    feature_id: Annotated[int, Field(ge=1, description="Feature to remove dependency from")],
    dependency_id: Annotated[int, Field(ge=1, description="ID of dependency to remove")]
) -> str:
    """Remove a dependency from a feature.

    Args:
        feature_id: The ID of the feature to remove a dependency from
        dependency_id: The ID of the dependency to remove

    Returns:
        JSON with success status and updated dependencies list, or error message
    """
    try:
        # Use atomic transaction for consistent read-modify-write
        with atomic_transaction(_session_maker) as session:
            feature = session.query(Feature).filter(Feature.id == feature_id).first()
            if not feature:
                return json.dumps({"error": f"Feature {feature_id} not found"})

            current_deps = feature.dependencies or []
            if dependency_id not in current_deps:
                return json.dumps({"error": "Dependency does not exist"})

            # Remove dependency atomically
            new_deps = [d for d in current_deps if d != dependency_id]
            feature.dependencies = new_deps if new_deps else None
            # Commit happens automatically on context manager exit

            return json.dumps({
                "success": True,
                "feature_id": feature_id,
                "dependencies": new_deps
            })
    except Exception as e:
        return json.dumps({"error": f"Failed to remove dependency: {str(e)}"})


@mcp.tool()