Refractoring (#88)

Co-authored-by: João Moura <joaomdmoura@gmail.com>

crewai/agents/executor.py

@@ -90,12 +90,8 @@ class CrewAgentExecutor(AgentExecutor):
             color_mapping[tool.name] = color_mapping[action.tool]
 
         actions: List[AgentAction]
-        if isinstance(output, AgentAction):
+        actions = [output] if isinstance(output, AgentAction) else output
-            actions = [output]
+        yield from actions
-        else:
-            actions = output
-        for agent_action in actions:
-            yield agent_action
         for agent_action in actions:
             if run_manager:
                 run_manager.on_agent_action(agent_action, color="green")

crewai/agents/output_parser.py

@@ -52,15 +52,13 @@ class CrewAgentOutputParser(ReActSingleInputOutputParser):
         regex = (
             r"Action\s*\d*\s*:[\s]*(.*?)[\s]*Action\s*\d*\s*Input\s*\d*\s*:[\s]*(.*)"
         )
-        action_match = re.search(regex, text, re.DOTALL)
+        if action_match := re.search(regex, text, re.DOTALL):
-        if action_match:
             action = action_match.group(1).strip()
             action_input = action_match.group(2)
             tool_input = action_input.strip(" ")
             tool_input = tool_input.strip('"')
 
-            last_tool_usage = self.tools_handler.last_used_tool
+            if last_tool_usage := self.tools_handler.last_used_tool:
-            if last_tool_usage:
                 usage = {
                     "tool": action,
                     "input": tool_input,
@@ -70,8 +68,7 @@ class CrewAgentOutputParser(ReActSingleInputOutputParser):
                         tool=action, tool_input=tool_input, text=text
                     )
 
-            result = self.cache.read(action, tool_input)
+            if result := self.cache.read(action, tool_input):
-            if result:
                 action = AgentAction(action, tool_input, text)
                 return CacheHit(action=action, cache=self.cache)
 

crewai/crew.py

@@ -57,10 +57,7 @@ class Crew(BaseModel):
     @classmethod
     @field_validator("config", mode="before")
     def check_config_type(cls, v: Union[Json, Dict[str, Any]]):
-        """Ensures the 'config' field is a valid JSON or dictionary."""
+        return json.loads(v) if isinstance(v, Json) else v
-        if isinstance(v, Json):
-            return json.loads(v)
-        return v
 
     @model_validator(mode="after")
     def check_config(self):

crewai/task.py

@@ -49,14 +49,13 @@ class Task(BaseModel):
         Returns:
             Output of the task.
         """
-        if self.agent:
+        if not self.agent:
-            result = self.agent.execute_task(
-                task=self.description, context=context, tools=self.tools
-            )
-
-            self.output = TaskOutput(description=self.description, result=result)
-            return result
-        else:
             raise Exception(
                 f"The task '{self.description}' has no agent assigned, therefore it can't be executed directly and should be executed in a Crew using a specific process that support that, either consensual or hierarchical."
             )
+        result = self.agent.execute_task(
+            task=self.description, context=context, tools=self.tools
+        )
+
+        self.output = TaskOutput(description=self.description, result=result)
+        return result

crewai/tasks/task_output.py

@@ -12,6 +12,6 @@ class TaskOutput(BaseModel):
 
     @model_validator(mode="after")
     def set_summary(self):
-        excerpt = " ".join(self.description.split(" ")[0:10])
+        excerpt = " ".join(self.description.split(" ")[:10])
         self.summary = f"{excerpt}..."
         return self

crewai/tools/agent_tools.py

@@ -68,9 +68,8 @@ class AgentTools(BaseModel):
             if available_agent.role == agent
         ]
 
-        if len(agent) == 0:
+        if not agent:
             return f"\nError executing tool. Co-worker mentioned on the Action Input not found, it must to be one of the following options: {', '.join([agent.role for agent in self.agents])}.\n"
 
         agent = agent[0]
-        result = agent.execute_task(task, context)
+        return agent.execute_task(task, context)
-        return result