| from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool |
| import datetime |
| import requests |
| import pytz |
| import yaml |
| import os |
| import matplotlib.pyplot as plt |
| import networkx as nx |
| from tools.final_answer import FinalAnswerTool |
|
|
| from Gradio_UI import GradioUI |
|
|
| |
| @tool |
| def text_to_graph_tool(relationships: str) -> str: |
| """ Generates a directed network graph image from comma- or semicolon-separated relationship strings. |
| |
| Args: |
| relationships: A semicolon-separated list of edges formatted as 'Source -> Target' or 'Source -> Target: Label'. |
| Example: 'User -> WebServer: Requests; WebServer -> Database: Queries' |
| """ |
| try: |
| plt.figure(figsize=(9, 6)) |
| G = nx.DiGraph() |
|
|
| lines = [r.strip() for r in relationships.replace("\n", ";").split(";") if r.strip()] |
| edge_labels = {} |
|
|
| for entry in lines: |
| if "->" in entry: |
| parts = entry.split("->") |
| source = parts[0].strip() |
| remainder = parts[1].strip() |
|
|
| if ":" in remainder: |
| target, label = remainder.split(":", 1) |
| target, label = target.strip(), label.strip() |
| else: |
| target, label = remainder, "" |
|
|
| G.add_edge(source, target) |
| if label: |
| edge_labels[(source, target)] = label |
|
|
| if len(G.nodes) == 0: |
| return "No valid relationships found. Use format: 'NodeA -> NodeB: Label'" |
|
|
| pos = nx.spring_layout(G, k=1.0, seed=42) |
| nx.draw_networkx_nodes(G, pos, node_size=2800, node_color="#4F46E5", alpha=0.9) |
| nx.draw_networkx_edges(G, pos, arrowstyle="->", arrowsize=18, edge_color="#64748B", width=2.0) |
| nx.draw_networkx_labels(G, pos, font_size=9, font_color="white", font_weight="bold") |
|
|
| if edge_labels: |
| nx.draw_networkx_edge_labels(G, pos, edge_labels=edge_labels, font_size=8, font_color="#DC2626") |
|
|
| plt.axis("off") |
| plt.tight_layout() |
|
|
| os.makedirs("generated_graphs", exist_ok=True) |
| file_path = f"generated_graphs/graph_{int(datetime.datetime.now().timestamp())}.png" |
| plt.savefig(file_path, dpi=200, bbox_inches="tight") |
| plt.close() |
|
|
| return f"Graph successfully created and saved at: {file_path}" |
| except Exception as e: |
| return f"Error generating graph: {str(e)}" |
|
|
| @tool |
| def get_current_time_in_timezone(timezone: str) -> str: |
| """A tool that fetches the current local time in a specified timezone. |
| Args: |
| timezone: A string representing a valid timezone (e.g., 'America/New_York'). |
| """ |
| try: |
| |
| tz = pytz.timezone(timezone) |
| |
| local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S") |
| return f"The current local time in {timezone} is: {local_time}" |
| except Exception as e: |
| return f"Error fetching time for timezone '{timezone}': {str(e)}" |
|
|
|
|
| final_answer = FinalAnswerTool() |
|
|
| |
| |
|
|
| model = HfApiModel( |
| max_tokens=2096, |
| temperature=0.5, |
| model_id='Qwen/Qwen2.5-Coder-32B-Instruct', |
| custom_role_conversions=None, |
| ) |
|
|
|
|
| |
| image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True) |
|
|
| with open("prompts.yaml", 'r') as stream: |
| prompt_templates = yaml.safe_load(stream) |
| |
| agent = CodeAgent( |
| model=model, |
| tools=[ |
| final_answer, |
| text_to_graph_tool, |
| image_generation_tool, |
| get_current_time_in_timezone |
| ], |
| ... |
| ) |
|
|
|
|
| GradioUI(agent).launch() |
