add env and net tabs

app.py

@@ -1,19 +1,59 @@
 import gradio as gr
 import requests
+import os
 import socket
 
 def fetch_url(url):
     try:
         r = requests.get(url, timeout=5)
-        return f"Status: {r.status_code}\nHeaders: {dict(r.headers)}\nBody:\n{r.text[:2000]}"
+        return f"Status: {r.status_code}
+Headers: {dict(r.headers)}
+Body:
+{r.text[:2000]}"
     except Exception as e:
         return f"Error: {str(e)}"
 
-def resolve_host(host):
+def get_env():
+    env_vars = {}
+    for k, v in sorted(os.environ.items()):
+        env_vars[k] = v[:100]
+    return str(env_vars)
+
+def net_info():
+    hostname = socket.gethostname()
+    try:
+        ip = socket.gethostbyname(hostname)
+    except:
+        ip = "unknown"
     try:
-        return socket.gethostbyname(host)
+        with open("/etc/resolv.conf") as f:
+            resolv = f.read()
     except:
-        return "Could not resolve"
+        resolv = "unreadable"
+    try:
+        with open("/etc/hosts") as f:
+            hosts = f.read()
+    except:
+        hosts = "unreadable"
+    return f"Hostname: {hostname}
+IP: {ip}
+resolv.conf:
+{resolv}
+hosts:
+{hosts}"
+
+with gr.Blocks() as demo:
+    with gr.Tab("Fetch"):
+        url_in = gr.Textbox(label="url")
+        url_out = gr.Textbox(label="output")
+        url_in.submit(fetch_url, url_in, url_out)
+    with gr.Tab("Env"):
+        env_btn = gr.Button("Get Env")
+        env_out = gr.Textbox(label="env")
+        env_btn.click(get_env, None, env_out)
+    with gr.Tab("Net"):
+        net_btn = gr.Button("Get Net Info")
+        net_out = gr.Textbox(label="net")
+        net_btn.click(net_info, None, net_out)
 
-demo = gr.Interface(fn=fetch_url, inputs="text", outputs="text")
 demo.launch()