adding process and task modules

crewai/process.py

@@ -0,0 +1,9 @@
+from enum import Enum
+
+class Process(str, Enum):
+	"""
+	Class representing the different processes that can be used to tackle tasks
+	"""
+	sequential = 'sequential'
+	consensual = 'consensual'
+	hierarchical = 'hierarchical'

crewai/task.py

@@ -0,0 +1,26 @@
+from typing import List, Optional
+from pydantic import BaseModel, Field, model_validator
+
+from langchain.tools import Tool
+
+from .agent import Agent
+
+class Task(BaseModel):
+	"""
+	Class that represent a task to be executed.
+	"""
+	
+	description: str = Field(description="Description of the actual task.")
+	agent: Optional[Agent] = Field(
+		description="Agent responsible for the task.",
+		default=None
+	)
+	tools: Optional[List[Tool]] = Field(
+		description="Tools the agent are limited to use for this task.",
+		default=[]
+	)
+
+	@model_validator(mode="after")
+	def _set_tools(self) -> None:
+		if self.agent:
+			self.tools = self.agent.tools