Support link scope ipv6 address

tests/test_utils.py

@@ -35,6 +35,10 @@ class TestUitls(unittest.TestCase):
         self.assertFalse(is_valid_ip_address(b'abc'))
         self.assertTrue(is_valid_ip_address('::1'))
         self.assertTrue(is_valid_ip_address(b'::1'))
+        self.assertTrue(is_valid_ip_address('fe80::1111:2222:3333:4444'))
+        self.assertTrue(is_valid_ip_address(b'fe80::1111:2222:3333:4444'))
+        self.assertTrue(is_valid_ip_address('fe80::1111:2222:3333:4444%eth0'))
+        self.assertTrue(is_valid_ip_address(b'fe80::1111:2222:3333:4444%eth0'))
 
     def test_is_valid_port(self):
         self.assertTrue(is_valid_port(80))

webssh/utils.py

@@ -36,7 +36,10 @@ def to_int(string):
 
 
 def to_ip_address(ipstr):
-    return ipaddress.ip_address(to_str(ipstr))
+    ip = to_str(ipstr)
+    if ip.startswith('fe80::'):
+        ip = ip.split('%')[0]
+    return ipaddress.ip_address(ip)
 
 
 def is_valid_ip_address(ipstr):