added support for python3 in ipscanner

src/ipscanner_py3.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+import socket
+from datetime import datetime
+import json
+import os
+from multi.scanner_thread import split_processing
+
+
+def get_absolute_path(relative_path: str) -> str:
+    """Resolve relative path (like '../config.json') to absolute path."""
+    base_dir = os.path.dirname(os.path.abspath(__file__))
+    normalized = os.path.normpath(relative_path)
+    return os.path.join(base_dir, normalized)
+
+
+# ---------- Core scan function ----------
+def scan(addr: str, port: int = 135, timeout: float = 1.0) -> bool:
+    """Return True if given addr:port accepts a TCP connection."""
+    try:
+        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        sock.settimeout(timeout)
+        result = sock.connect_ex((addr, port))
+        sock.close()
+        return result == 0
+    except Exception:
+        return False
+
+#  threading 
+def run1(ips: list, start: int, end: int) -> None:
+    """Scan a subset of IPs (ips[start:end]) for live hosts."""
+    for ip in ips[start:end]:
+        if scan(ip):
+            print(f"{ip} is live")
+
+# ---------- Main program ----------
+if __name__ == "__main__":
+    # Input base IP (e.g. 192.168.1.1)
+    net1 = input("Enter the IP address: ").strip()
+    net2 = net1.split('.')
+    if len(net2) < 3:
+        print(" Please enter a valid IPv4 address (e.g. 192.168.1.1).")
+        raise SystemExit(1)
+
+    # Build prefix like "192.168.1."
+    net3 = f"{net2[0]}.{net2[1]}.{net2[2]}."
+
+    # Banner
+    print("-" * 60)
+    print(f"Please wait, scanning IP address.... {net3}XXX")
+    print("-" * 60)
+
+    td1 = datetime.now()
+
+    # Load configuration
+    try:
+        with open(get_absolute_path('../config.json'), 'r', encoding='utf-8') as config_file:
+            config = json.load(config_file)
+
+        range_low = int(config['ipRange']['low'])
+        range_high = int(config['ipRange']['high'])
+        CONST_NUM_THREADS = int(config['thread']['count'])
+
+    except FileNotFoundError:
+        print(" config.json file not found at", get_absolute_path('../config.json'))
+        raise
+    except (KeyError, ValueError, json.JSONDecodeError) as e:
+        print(" Error reading config.json:", e)
+        raise
+
+
+    ips = [f"{net3}{i}" for i in range(range_low, range_high + 1)]
+
+    # Start threaded scanning
+    split_processing(ips, CONST_NUM_THREADS, run1)
+
+    td2 = datetime.now()
+    total = td2 - td1
+    print("-" * 60)
+    print(" Scanning completed in", total)
+    print("-" * 60)