import platform import streamlit as st import psutil from typing import List, Dict, Optional, Any, Tuple from dataclasses import dataclass from enum import Enum import logging import time import ast import pylint.lint import radon.complexity import radon.metrics from pylint.lint import Run from pylint.reporters import JSONReporter from coverage import Coverage import bandit from bandit.core import manager from datetime import datetime import os import sys import requests import asyncio import statistics import json import traceback from pathlib import Path try: from pylint.reporters import JSONReporter from bandit.core import manager except ImportError as e: st.error(f"Missing dependency: {str(e)}") st.stop() class PipelineStage(Enum): """Pipeline stages for the development process.""" PLANNING = 1 DEVELOPMENT = 2 TESTING = 3 # Configure basic logging logging.basicConfig( level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s' ) class AutonomousAgentApp: def __init__(self): self.autonomous_agent = None self.interface = None self._initialize_components() def _initialize_components(self): """Initialize components in the correct order.""" self.autonomous_agent = AutonomousAgent(self) self.interface = StreamlitInterface(self.autonomous_agent) def run(self): """Main entry point for the application""" self.interface.render_main_interface() class CodeMetricsAnalyzer: """Analyzes code metrics using various tools""" def __init__(self): self.metrics_history = [] def analyze_code_quality(self, file_path: str) -> Dict[str, Any]: """Analyzes code quality using multiple metrics""" try: # Pylint analysis pylint_score = self._run_pylint(file_path) # Complexity analysis complexity_score = self._analyze_complexity(file_path) # Test coverage analysis coverage_score = self._analyze_test_coverage(file_path) # Security analysis security_score = self._analyze_security(file_path) # Calculate overall quality score quality_score = self._calculate_overall_score( pylint_score, complexity_score, coverage_score, security_score ) metrics = { "quality_score": quality_score, "pylint_score": pylint_score, "complexity_score": complexity_score, "coverage_score": coverage_score, "security_score": security_score, "timestamp": datetime.now() } self.metrics_history.append(metrics) return metrics except Exception as e: logging.error(f"Error analyzing code metrics: {str(e)}") return { "error": str(e), "quality_score": 0.0, "timestamp": datetime.now() } def _run_pylint(self, file_path: str) -> float: """Runs pylint analysis""" try: reporter = JSONReporter() Run([file_path], reporter=reporter, do_exit=False) score = reporter.data.get('score', 0.0) return float(score) / 10.0 # Normalize to 0-1 scale except Exception as e: logging.error(f"Pylint analysis error: {str(e)}") return 0.0 def _analyze_complexity(self, file_path: str) -> float: """Analyzes code complexity""" try: with open(file_path, 'r') as file: code = file.read() # Calculate cyclomatic complexity complexity = radon.complexity.cc_visit(code) avg_complexity = sum(item.complexity for item in complexity) / len(complexity) if complexity else 0 # Normalize complexity score (0-1 scale, lower is better) normalized_score = 1.0 - min(avg_complexity / 10.0, 1.0) return normalized_score except Exception as e: logging.error(f"Complexity analysis error: {str(e)}") return 0.0 def _analyze_security(self, file_path: str) -> float: """Analyzes code security using bandit""" try: conf = manager.BanditManager() conf.discover_files([file_path]) conf.run_tests() # Calculate security score based on findings total_issues = len(conf.get_issue_list()) max_severity = max((issue.severity for issue in conf.get_issue_list()), default=0) # Normalize security score (0-1 scale, higher is better) security_score = 1.0 - (total_issues * max_severity) / 10.0 return max(0.0, min(1.0, security_score)) except Exception as e: logging.error(f"Security analysis error: {str(e)}") return 0.0 def _calculate_overall_score(self, pylint_score: float, complexity_score: float, coverage_score: float, security_score: float) -> float: """Calculates overall code quality score""" weights = { 'pylint': 0.3, 'complexity': 0.2, 'coverage': 0.25, 'security': 0.25 } overall_score = ( weights['pylint'] * pylint_score + weights['complexity'] * complexity_score + weights['coverage'] * coverage_score + weights['security'] * security_score ) return max(0.0, min(1.0, overall_score)) def get_metrics_history(self) -> List[Dict[str, Any]]: """Returns the history of metrics measurements""" return self.metrics_history def get_trend_analysis(self) -> Dict[str, Any]: """Analyzes trends in metrics over time""" if not self.metrics_history: return {"status": "No metrics history available"} trends = { "quality_score": self._calculate_trend([m["quality_score"] for m in self.metrics_history]), "coverage_score": self._calculate_trend([m["coverage_score"] for m in self.metrics_history]), "security_score": self._calculate_trend([m["security_score"] for m in self.metrics_history]) } return trends def _calculate_trend(self, values: List[float]) -> Dict[str, Any]: """Calculates trend statistics for a metric""" if not values: return {"trend": "unknown", "change": 0.0} recent_values = values[-3:] # Look at last 3 measurements if len(recent_values) < 2: return {"trend": "insufficient data", "change": 0.0} change = recent_values[-1] - recent_values[0] trend = "improving" if change > 0 else "declining" if change < 0 else "stable" return { "trend": trend, "change": change, "current": recent_values[-1], "previous": recent_values[0] } class WorkspaceManager: """Manages the workspace for the Autonomous Agent System.""" def __init__(self, workspace_dir: str): self.workspace_dir = workspace_dir def get_workspace_tree(self) -> Dict[str, Any]: """Get the structure of the workspace.""" # Placeholder implementation return {"workspace": "tree_structure"} def create_file(self, filename: str, content: str) -> str: """Create a new file in the workspace.""" file_path = os.path.join(self.workspace_dir, filename) with open(file_path, 'w') as file: file.write(content) return f"File '{filename}' created successfully." def delete_file(self, filename: str) -> str: """Delete a file from the workspace.""" file_path = os.path.join(self.workspace_dir, filename) if os.path.exists(file_path): os.remove(file_path) return f"File '{filename}' deleted successfully." return f"File '{filename}' not found." class ToolManager: """Manages tools for the autonomous agent system.""" def __init__(self): self.tools = {} def add_tool(self, tool_name, tool_config): """Add a tool to the tool manager.""" self.tools[tool_name] = tool_config def get_tool(self, tool_name): """Get a tool from the tool manager.""" return self.tools.get(tool_name) def remove_tool(self, tool_name): """Remove a tool from the tool manager.""" if tool_name in self.tools: del self.tools[tool_name] class QualityMetrics: """Advanced quality metrics tracking and analysis""" def __init__(self): self.metrics_analyzer = CodeMetricsAnalyzer() self.code_quality_score = 0.0 self.test_coverage = 0.0 self.security_score = "unknown" self.performance_score = 0.0 self.history = [] self.thresholds = { "code_quality": 0.85, "test_coverage": 0.90, "security": 0.85, "performance": 0.80 } class ToolRepository: """Repository for managing tools and their configurations""" def __init__(self): self.tools = {} self.default_tools = { 'code_analyzer': { 'name': 'Code Analyzer', 'type': 'analysis', 'config': {'enabled': True} }, 'test_runner': { 'name': 'Test Runner', 'type': 'testing', 'config': {'enabled': True} }, 'security_scanner': { 'name': 'Security Scanner', 'type': 'security', 'config': {'enabled': True} } } self._initialize_default_tools() def _initialize_default_tools(self): """Initialize the repository with default tools.""" self.tools.update(self.default_tools) def get_tool(self, tool_name: str) -> Optional[Dict]: """Get a tool by name.""" return self.tools.get(tool_name) def add_tool(self, tool_name: str, tool_config: Dict): """Add a new tool to the repository.""" self.tools[tool_name] = tool_config def remove_tool(self, tool_name: str): """Remove a tool from the repository.""" if tool_name in self.tools: del self.tools[tool_name] def list_tools(self) -> List[str]: """List all available tools.""" return list(self.tools.keys()) def get_tools_by_type(self, tool_type: str) -> List[Dict]: """Get all tools of a specific type.""" return [ tool for tool in self.tools.values() if tool.get('type') == tool_type ] class AutonomousAgent: """Autonomous agent for the system.""" def __init__(self, app): self.app = app # Initialize components in order self.workspace_manager = WorkspaceManager(workspace_dir=os.getenv('WORKSPACE_DIR', 'workspace')) self.tool_manager = ToolManager() # Simplified initialization self.tools_repository = ToolRepository() self.pipeline = DevelopmentPipeline( workspace_manager=self.workspace_manager, tool_manager=self.tool_manager ) self.refinement_loop = RefinementLoop(pipeline=self.pipeline) self.chat_system = ChatSystem(self) def run(self): """Run the Streamlit application.""" self.interface.render_main_interface() def _initialize_tool_repository(self) -> ToolRepository: """Initialize the tool repository.""" repository = ToolRepository() # Add any additional tool configurations here repository.add_tool('custom_analyzer', { 'name': 'Custom Code Analyzer', 'type': 'analysis', 'config': { 'enabled': True, 'custom_rules': [] } }) return repository def _setup_tool_manager(self) -> ToolManager: """Setup tool manager with configuration.""" return ToolManager() def _initialize_pipeline(self) -> 'DevelopmentPipeline': """Initialize the development pipeline.""" return DevelopmentPipeline( workspace_manager=self.workspace_manager, tool_manager=self.tool_manager ) def get_tool(self, tool_name: str) -> Optional[Dict]: """Get a tool configuration by name.""" return self.tools_repository.get_tool(tool_name) def add_tool(self, tool_name: str, tool_config: Dict): """Add a new tool to the repository.""" self.tools_repository.add_tool(tool_name, tool_config) def remove_tool(self, tool_name: str): """Remove a tool from the repository.""" self.tools_repository.remove_tool(tool_name) def list_available_tools(self) -> List[str]: """List all available tools.""" return self.tools_repository.list_tools() def get_tools_by_type(self, tool_type: str) -> List[Dict]: """Get all tools of a specific type.""" class DevelopmentPipeline: def __init__(self, workspace_manager, tool_manager): self.workspace_manager = workspace_manager self.tool_manager = tool_manager self.current_stage = None self.stage_results = {} self.metrics = {} # Initialize logger properly self.logger = logging.getLogger('development_pipeline') if not self.logger.handlers: handler = logging.StreamHandler() formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s') handler.setFormatter(formatter) self.logger.addHandler(handler) self.logger.setLevel(logging.INFO) async def execute_stage(self, stage: PipelineStage, input_data: Dict) -> Dict[str, Any]: """Execute a pipeline stage and return results.""" self.logger.info(f"Executing pipeline stage: {stage.value}") try: if stage == PipelineStage.PLANNING: return await self._handle_planning(input_data) elif stage == PipelineStage.DEVELOPMENT: return await self._handle_development(input_data) elif stage == PipelineStage.TESTING: return await self._handle_testing(input_data) else: raise ValueError(f"Unknown pipeline stage: {stage}") except Exception as e: self.logger.error(f"Error in {stage.value} stage: {str(e)}") return {"status": "error", "error": str(e)} async def _handle_planning(self, input_data: Dict) -> Dict: """Handle planning stage execution.""" self.logger.info("Handling planning stage") try: task = input_data.get("task", "") if not task: raise ValueError("No task provided for planning") # Step 1: Analyze the task and break it into subtasks subtasks = self._break_down_task(task) # Step 2: Generate a development plan development_plan = { "task": task, "subtasks": subtasks, "milestones": self._define_milestones(subtasks), "timeline": self._estimate_timeline(subtasks) } # Step 3: Create initial project artifacts (e.g., requirements.txt) self.workspace_manager.create_file("requirements.txt", self._generate_requirements(subtasks)) return { "status": "success", "result": {"plan": development_plan}, "artifacts": ["requirements.txt"] } except Exception as e: self.logger.error(f"Error in planning stage: {str(e)}") return {"status": "error", "error": str(e)} def _break_down_task(self, task: str) -> List[str]: """Break down a task into smaller subtasks.""" return [f"Subtask {i+1}: {part}" for i, part in enumerate(task.split(","))] def _define_milestones(self, subtasks: List[str]) -> List[str]: """Define milestones based on subtasks.""" return [f"Complete {subtask}" for subtask in subtasks] def _estimate_timeline(self, subtasks: List[str]) -> Dict[str, int]: """Estimate a timeline for the subtasks.""" return {subtask: 1 for subtask in subtasks} def _generate_requirements(self, subtasks: List[str]) -> str: """Generate a requirements document based on subtasks.""" return "\n".join([f"Requirement: {subtask}" for subtask in subtasks]) async def _handle_development(self, input_data: Dict) -> Dict: """Handle development stage execution.""" self.logger.info("Handling development stage") try: plan = input_data.get("result", {}).get("plan", {}) if not plan: raise ValueError("No development plan provided") # Step 1: Generate boilerplate code self.workspace_manager.create_file("main.py", self._generate_boilerplate_code(plan)) # Step 2: Implement functionality for each subtask for subtask in plan.get("subtasks", []): self._implement_subtask(subtask) return { "status": "success", "result": {"code": "print('Hello World')"}, "artifacts": ["main.py"] } except Exception as e: self.logger.error(f"Error in development stage: {str(e)}") return {"status": "error", "error": str(e)} def _generate_boilerplate_code(self, plan: Dict) -> str: """Generated boilerplate code based on the development plan.""" return """f"# Project: {plan.get('task', 'Untitled')} # Subtasks: {''.join([f'# {subtask} for subtask in plan.get('subtasks', [])])} def main(): print('Hello World') if __name__ == '__main__': main()""""" def _implement_subtask(self, subtask: str) -> None: """Implement functionality for a subtask.""" with open(os.path.join(self.workspace_manager.workspace_dir, "main.py"), "a") as file: file.write(f"\n# Implementation for {subtask}\n") async def _handle_testing(self, input_data: Dict) -> Dict: """Handle testing stage execution.""" self.logger.info("Handling testing stage") try: code_path = os.path.join(self.workspace_manager.workspace_dir, "main.py") if not os.path.exists(code_path): raise FileNotFoundError("No code found for testing") # Step 1: Run unit tests test_results = self._run_unit_tests(code_path) # Step 2: Generate a test report test_report = self._generate_test_report(test_results) self.workspace_manager.create_file("test_report.html", test_report) return { "status": "success", "result": {"test_results": test_results}, "artifacts": ["test_report.html"] } except Exception as e: self.logger.error(f"Error in testing stage: {str(e)}") return {"status": "error", "error": str(e)} def _run_unit_tests(self, code_path: str) -> Dict[str, Any]: """Run unit tests on the code.""" return { "tests_run": 5, "tests_passed": 5, "tests_failed": 0, "coverage": "100%" } def _generate_test_report(self, test_results: Dict) -> str: """Generate an HTML test report.""" return f""" Test Report

Test Report

""" class RefinementLoop: """Manages the iterative refinement process.""" def __init__(self, pipeline): self.pipeline = pipeline self.max_iterations = 10 self.quality_metrics = QualityMetrics() self.logger = logging.getLogger(__name__) self.current_iteration = 0 self.history = [] async def run_refinement_cycle(self, task: str) -> Dict[str, Any]: """Run a complete refinement cycle for the given task.""" self.logger.info(f"Starting refinement cycle for task: {task}") self.current_iteration = 0 try: while self.current_iteration < self.max_iterations: self.logger.info(f"Starting iteration {self.current_iteration + 1}") # Execute pipeline stages planning_result = await self.pipeline.execute_stage( PipelineStage.PLANNING, {"task": task} ) development_result = await self.pipeline.execute_stage( PipelineStage.DEVELOPMENT, planning_result["result"] ) testing_result = await self.pipeline.execute_stage( PipelineStage.TESTING, development_result["result"] ) # Analyze results quality_analysis = self._analyze_quality(testing_result["result"]) # Record iteration history self.history.append({ "iteration": self.current_iteration, "quality_metrics": quality_analysis, "timestamp": datetime.now() }) # Check if quality requirements are met if self._meets_quality_requirements(quality_analysis): self.logger.info("Quality requirements met. Refinement cycle complete.") return self._prepare_final_result(quality_analysis) self.current_iteration += 1 return { "status": "max_iterations_reached", "iterations_completed": self.current_iteration, "final_quality": quality_analysis } except Exception as e: self.logger.error(f"Error in refinement cycle: {str(e)}") return {"status": "error", "error": str(e)} def _analyze_quality(self, result: Dict[str, Any]) -> Dict[str, float]: """Analyze the quality metrics of the current iteration.""" return { "code_quality": self.quality_metrics.code_quality_score, "test_coverage": self.quality_metrics.test_coverage, "security_score": float(self.quality_metrics.security_score) } def _meets_quality_requirements(self, quality_analysis: Dict[str, float]) -> bool: """Check if the current quality metrics meet the requirements.""" thresholds = self.quality_metrics.thresholds return ( quality_analysis["code_quality"] >= thresholds["code_quality"] and quality_analysis["test_coverage"] >= thresholds["test_coverage"] and quality_analysis["security_score"] >= thresholds["security"] ) def _prepare_final_result(self, quality_analysis: Dict[str, float]) -> Dict[str, Any]: """Prepare the final result of the refinement cycle.""" return { "status": "success", "iterations_completed": self.current_iteration, "final_quality": quality_analysis, "history": self.history } def get_refinement_history(self) -> List[Dict[str, Any]]: """Get the history of refinement iterations.""" return self.history class ChatSystem: """Manages chat interaction between users and the autonomous system.""" def __init__(self, agent): self.agent = agent self.chat_history = [] self.active_tasks = {} self.command_handlers = { '/task': self.handle_task_command, '/status': self.handle_status_command, '/stop': self.handle_stop_command, '/help': self.handle_help_command, '/modify': self.handle_modify_command } self.logger = logging.getLogger(__name__) def render_chat_interface(self): """Render the chat interface in Streamlit sidebar.""" with st.sidebar: st.markdown("---") st.subheader("System Chat") if st.button("Clear Chat History"): self.clear_chat_history() chat_container = st.container() with chat_container: for message in self.chat_history: self._render_message(message) user_input = st.text_input("Type message/command...", key="chat_input") if st.button("Send", key="send_message"): self.process_user_input(user_input) def handle_task_command(self, input_data: Dict): """Handle task command.""" self.logger.info("Handling task command") task = input_data.get("task", input_data.get("input", "")) asyncio.create_task(self.agent.app.refinement_loop.run_refinement_cycle(task)) return "Task command initiated" def handle_status_command(self, input_data: Dict): """Handle status command.""" self.logger.info("Handling status command") return { "status": "success", "history": self.agent.app.refinement_loop.get_refinement_history() } def handle_stop_command(self, input_data: Dict): """Handle stop command.""" self.logger.info("Handling stop command") # Add logic to stop current task return "Stop command handled" def handle_help_command(self, input_data: Dict): """Handle help command.""" self.logger.info("Handling help command") return """ Available commands: /task - Run the autonomous agent with the given task /status - Get the current status of the refinement cycle /stop - Stop the current task /help - Show this help message /modify - Modify current task parameters """ def handle_modify_command(self, input_data: Dict): """Handle modify command.""" self.logger.info("Handling modify command") return "Modify command handled" def clear_chat_history(self): """Clear the chat history.""" self.logger.info("Clearing chat history") self.chat_history.clear() return "Chat history cleared" def _render_message(self, message: str): """Render a chat message.""" st.write(message) def process_user_input(self, user_input: str): """Process user input.""" self.logger.info("Processing user input") command = user_input.strip().split()[0] if command in self.command_handlers: result = self.command_handlers[command]({"input": user_input}) self.chat_history.append(f"User: {user_input}") self.chat_history.append(f"System: {result}") class StreamlitInterface: """Handles the Streamlit user interface for the Autonomous Agent System""" def __init__(self, agent): """Initialize the Streamlit interface.""" self.agent = agent self.metrics_history = [] self.activity_log = [] def render_main_interface(self): """Render the main Streamlit interface.""" st.title("Autonomous Agent System") # Initialize session state if not exists if 'current_page' not in st.session_state: st.session_state.current_page = 'Dashboard' # Sidebar for navigation self.render_sidebar() # Main content area selected_page = st.session_state.current_page if selected_page == 'Dashboard': self.render_dashboard() elif selected_page == 'Pipeline': self.render_pipeline_view() elif selected_page == 'Metrics': self.render_metrics_view() elif selected_page == 'Settings': self.render_settings() def render_sidebar(self): """Render the sidebar navigation.""" with st.sidebar: st.title("Navigation") pages = ['Dashboard', 'Pipeline', 'Metrics', 'Settings'] selected_page = st.radio("Select Page", pages, key='nav_radio') st.session_state.current_page = selected_page def render_dashboard(self): """Render the dashboard view.""" st.header("System Dashboard") # System Status col1, col2, col3 = st.columns(3) with col1: st.metric("Pipeline Status", "Active") with col2: current_stage = getattr(self.agent.pipeline, 'current_stage', None) stage_name = current_stage.name if current_stage else "None" st.metric("Current Stage", stage_name) with col3: st.metric("Tasks Completed", "0") # Recent Activity st.subheader("Recent Activity") activity_data = self.get_recent_activity() if activity_data: st.table(activity_data) else: st.info("No recent activity") def render_pipeline_view(self): """Render the pipeline view.""" st.header("Development Pipeline") # Pipeline Stages stages = { 'PLANNING': "Planning", 'DEVELOPMENT': "Development", 'TESTING': "Testing" } for stage_key, stage_name in stages.items(): with st.expander(f"{stage_name} Stage"): current_stage = getattr(self.agent.pipeline, 'current_stage', None) if current_stage and stage_key == current_stage.name: st.info("Current Stage") self.render_stage_details(stage_key) def render_metrics_view(self): """Render the metrics view.""" st.header("System Metrics") # Code Quality Metrics st.subheader("Code Quality Metrics") metrics = self.get_metrics() if metrics: for file, file_metrics in metrics.items(): with st.expander(f"Metrics for {file}"): st.json(file_metrics) else: st.info("No metrics available yet") def render_settings(self): """Render the settings view.""" st.header("System Settings") # General Settings st.subheader("General Settings") workspace_dir = st.text_input( "Workspace Directory", value=self.agent.workspace_manager.workspace_dir ) # Pipeline Settings st.subheader("Pipeline Settings") quality_threshold = st.slider( "Quality Threshold", min_value=0.0, max_value=1.0, value=0.8, step=0.1 ) if st.button("Save Settings"): self.save_settings(workspace_dir, quality_threshold) def get_recent_activity(self) -> List[Dict]: """Get recent activity data for display.""" return [ { "timestamp": activity["timestamp"].strftime("%Y-%m-%d %H:%M:%S"), "action": activity["action"], "status": activity["status"], "details": activity["details"] } for activity in self.activity_log[-10:] # Show last 10 activities ] def get_metrics(self) -> Dict: """Get current metrics data.""" return getattr(self.agent.pipeline, 'metrics', {}) def render_stage_details(self, stage: str): """Render details for a specific pipeline stage.""" stage_results = getattr(self.agent.pipeline, f'{stage.lower()}_results', {}) if not stage_results: st.write("No data available for this stage yet.") return if stage == 'PLANNING': self._render_planning_details(stage_results) elif stage == 'DEVELOPMENT': self._render_development_details(stage_results) elif stage == 'TESTING': self._render_testing_details(stage_results) def _render_planning_details(self, results: Dict): """Render planning stage details.""" st.subheader("Tasks") tasks = results.get('tasks', []) for task in tasks: st.write(f"- {task}") def _render_development_details(self, results: Dict): """Render development stage details.""" st.subheader("Development Progress") progress = results.get('progress', 0) st.progress(progress) files = results.get('files', []) if files: st.subheader("Modified Files") for file in files: st.write(f"- {file}") def _render_testing_details(self, results: Dict): """Render testing stage details.""" st.subheader("Test Results") tests = results.get('tests', {}) if tests: passed = tests.get('passed', 0) failed = tests.get('failed', 0) st.write(f"Passed: {passed}") st.write(f"Failed: {failed}") else: st.write("No test results available") def save_settings(self, workspace_dir: str, quality_threshold: float): """Save the system settings.""" try: self.agent.workspace_manager.workspace_dir = workspace_dir # Add more settings as needed self.log_activity({ "timestamp": datetime.now(), "action": "Settings Update", "status": "Success", "details": "Settings updated successfully" }) st.success("Settings saved successfully!") except Exception as e: st.error(f"Error saving settings: {str(e)}") def log_activity(self, activity: Dict): """Log an activity in the system.""" self.activity_log.append(activity) if len(self.activity_log) > 100: # Keep only last 100 activities self.activity_log = self.activity_log[-100:] def main(): autonomous_agent_app = AutonomousAgentApp() autonomous_agent_app.run() if __name__ == "__main__": try: main() except Exception as e: st.error(f"Application Error: {str(e)}") logging.error(f"Application Error: {str(e)}", exc_info=True)