CoACT initialize (#292)

mm_agents/coact/autogen/agentchat/group/context_condition.py

@@ -0,0 +1,77 @@
+# Copyright (c) 2023 - 2025, AG2ai, Inc., AG2ai open-source projects maintainers and core contributors
+#
+# SPDX-License-Identifier: Apache-2.0
+
+
+from typing import Any
+
+from pydantic import BaseModel
+
+from .context_expression import ContextExpression
+from .context_variables import ContextVariables
+
+__all__ = ["ContextCondition", "ExpressionContextCondition", "StringContextCondition"]
+
+
+class ContextCondition(BaseModel):
+    """Protocol for conditions evaluated directly using context variables."""
+
+    def evaluate(self, context_variables: ContextVariables) -> bool:
+        """Evaluate the condition to a boolean result.
+
+        Args:
+            context_variables: The context variables to evaluate against
+
+        Returns:
+            Boolean result of the condition evaluation
+        """
+        raise NotImplementedError("Requires subclasses to implement.")
+
+
+class StringContextCondition(ContextCondition):
+    """Simple string-based context condition.
+
+    This condition checks if a named context variable exists and is truthy.
+    """
+
+    variable_name: str
+
+    def evaluate(self, context_variables: ContextVariables) -> bool:
+        """Check if the named context variable is truthy.
+
+        Args:
+            context_variables: The context variables to check against
+
+        Returns:
+            True if the variable exists and is truthy, False otherwise
+        """
+        return bool(context_variables.get(self.variable_name, False))
+
+
+class ExpressionContextCondition(ContextCondition):
+    """Complex expression-based context condition.
+
+    This condition evaluates a ContextExpression against the context variables.
+    """
+
+    expression: ContextExpression
+
+    def __init__(self, expression: ContextExpression, **data: Any) -> None:
+        """Initialize with an expression as a positional parameter.
+
+        Args:
+            expression: The context expression to evaluate
+            data: Additional data for the parent class
+        """
+        super().__init__(expression=expression, **data)
+
+    def evaluate(self, context_variables: ContextVariables) -> bool:
+        """Evaluate the expression against the context variables.
+
+        Args:
+            context_variables: The context variables to evaluate against
+
+        Returns:
+            Boolean result of the expression evaluation
+        """
+        return self.expression.evaluate(context_variables)