rshift working

src/crewai/crew.py

@@ -2,19 +2,19 @@ import asyncio
 import json
 import uuid
 from concurrent.futures import Future
-from typing import Any, Dict, List, Optional, Tuple, Union
+from typing import TYPE_CHECKING, Any, Dict, List, Optional, Tuple, Union
 
 from langchain_core.callbacks import BaseCallbackHandler
 from pydantic import (
-  UUID4,
-  BaseModel,
-  ConfigDict,
-  Field,
-  InstanceOf,
-  Json,
-  PrivateAttr,
-  field_validator,
-  model_validator,
+    UUID4,
+    BaseModel,
+    ConfigDict,
+    Field,
+    InstanceOf,
+    Json,
+    PrivateAttr,
+    field_validator,
+    model_validator,
 )
 from pydantic_core import PydanticCustomError
 
@@ -34,8 +34,8 @@ from crewai.utilities import I18N, FileHandler, Logger, RPMController
 from crewai.utilities.constants import TRAINED_AGENTS_DATA_FILE, TRAINING_DATA_FILE
 from crewai.utilities.evaluators.task_evaluator import TaskEvaluator
 from crewai.utilities.formatter import (
-  aggregate_raw_outputs_from_task_outputs,
-  aggregate_raw_outputs_from_tasks,
+    aggregate_raw_outputs_from_task_outputs,
+    aggregate_raw_outputs_from_tasks,
 )
 from crewai.utilities.training_handler import CrewTrainingHandler
 
@@ -44,6 +44,9 @@ try:
 except ImportError:
     agentops = None
 
+if TYPE_CHECKING:
+    from crewai.procedure.procedure import Procedure
+
 
 class Crew(BaseModel):
     """
@@ -767,5 +770,17 @@ class Crew(BaseModel):
 
         return total_usage_metrics
 
+    def __rshift__(self, other: "Crew") -> "Procedure":
+        """
+        Implements the >> operator to add another Crew to an existing Procedure.
+        """
+        from crewai.procedure.procedure import Procedure
+
+        if not isinstance(other, Crew):
+            raise TypeError(
+                f"Unsupported operand type for >>: '{type(self).__name__}' and '{type(other).__name__}'"
+            )
+        return Procedure(crews=[self, other])
+
     def __repr__(self):
         return f"Crew(id={self.id}, process={self.process}, number_of_agents={len(self.agents)}, number_of_tasks={len(self.tasks)})"

src/crewai/procedure/procedure.py

@@ -36,3 +36,13 @@ class Procedure(BaseModel):
         outputs = await asyncio.gather(*crew_kickoffs)
 
         return outputs
+
+    def __rshift__(self, other: Crew) -> "Procedure":
+        """
+        Implements the >> operator to add another Crew to an existing Procedure.
+        """
+        if not isinstance(other, Crew):
+            raise TypeError(
+                f"Unsupported operand type for >>: '{type(self).__name__}' and '{type(other).__name__}'"
+            )
+        return type(self)(crews=self.crews + [other])

tests/procedure/test_procedure.py

@@ -180,3 +180,36 @@ async def test_procedure_chaining(mock_crew_factory):
         "completion_tokens": 75,
     }
     assert result[0].json_dict == {"key2": "value2"}
+
+
+def test_crew_rshift_operator():
+    """
+    Test that the >> operator correctly creates a Procedure from two Crews.
+    """
+    # Create minimal Crew instances
+    agent = Agent(role="Test Agent", goal="Test Goal", backstory="Test Backstory")
+    task = Task(agent=agent, description="Test Task", expected_output="Test Output")
+    crew1 = Crew(agents=[agent], tasks=[task])
+    crew2 = Crew(agents=[agent], tasks=[task])
+    crew3 = Crew(agents=[agent], tasks=[task])
+
+    # Test the >> operator
+    procedure = crew1 >> crew2
+
+    assert isinstance(procedure, Procedure)
+    assert len(procedure.crews) == 2
+    assert procedure.crews[0] == crew1
+    assert procedure.crews[1] == crew2
+
+    # Test chaining multiple crews
+    procedure = crew1 >> crew2 >> crew3
+
+    assert isinstance(procedure, Procedure)
+    assert len(procedure.crews) == 3
+    assert procedure.crews[0] == crew1
+    assert procedure.crews[1] == crew2
+    assert procedure.crews[2] == crew3
+
+    # Test error case: trying to shift with non-Crew object
+    with pytest.raises(TypeError):
+        crew1 >> "not a crew"