Add text_to_graph_tool

app.py

@@ -2,21 +2,68 @@ from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
 import datetime
 import requests
 import pytz
-import yaml
+import yaml 
+import os
+import matplotlib.pyplot as plt
+import networkx as nx
 from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+def text_to_graph_tool(relationships: str) -> str:
+    """ Generates a directed network graph image from comma- or semicolon-separated relationship strings.
+
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        relationships: A semicolon-separated list of edges formatted as 'Source -> Target' or 'Source -> Target: Label'.
+                       Example: 'User -> WebServer: Requests; WebServer -> Database: Queries'
     """
-    return "What magic will you build ?"
+    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:
@@ -55,14 +102,13 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
-    max_steps=6,
-    verbosity_level=1,
-    grammar=None,
-    planning_interval=None,
-    name=None,
-    description=None,
-    prompt_templates=prompt_templates
+    tools=[
+        final_answer, 
+        text_to_graph_tool, 
+        image_generation_tool, 
+        get_current_time_in_timezone
+    ],
+    ...
 )