Add a quick conversion of ip -> int & int -> ip.

Functionalities should be more helpful for the Python 2 users, since the Python 3 is more useful to use ipaddress lib

scapy_helper/helpers/ip.py

@@ -0,0 +1,15 @@
+import socket
+import struct
+
+
+def ip2int(ip_address):
+    if not isinstance(ip_address, str):
+        raise TypeError("Value %s is not a type of string" % ip_address)
+    return struct.unpack("!I", socket.inet_aton(ip_address))[0]
+
+
+def int2ip(integer):
+    if type(integer).__name__ not in ("int", "long"):
+        # hack: since in the python3, long is not supported
+        raise TypeError("Value %s is not a number" % integer)
+    return socket.inet_ntoa(struct.pack("!I", integer))

test/helpers/test_ip.py

@@ -0,0 +1,23 @@
+from unittest import TestCase
+
+from scapy_helper.helpers.ip import int2ip, ip2int
+
+
+class TestIP(TestCase):
+    def setUp(self):
+        self.integer = 3232235521
+        self.ip = "192.168.0.1"
+
+    def test_ip2int(self):
+        self.assertEqual(
+            ip2int(self.ip),
+            self.integer,
+            "Values should be equal"
+        )
+
+    def test_int2ip(self):
+        self.assertEqual(
+            int2ip(self.integer),
+            self.ip,
+            "Values should be equal"
+        )