import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

testing/web-platform/tests/old-tests/webdriver/network.py

@@ -0,0 +1,30 @@
+# this comes from this stack overflow post:
+# http://stackoverflow.com/a/1947766/725944
+
+# module for getting the lan ip address of the computer
+
+import os
+import socket
+
+if os.name != "nt":
+    import fcntl
+    import struct
+    def get_interface_ip(ifname):
+        sckt = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        return socket.inet_ntoa(fcntl.ioctl(
+                sckt.fileno(),
+                0x8915,  # SIOCGIFADDR
+                struct.pack('256s', ifname[:15])
+            )[20:24])
+
+def get_lan_ip():
+    ip = socket.gethostbyname(socket.gethostname())
+    if ip.startswith("127.") and os.name != "nt":
+        interfaces = ["eth0","eth1","eth2","wlan0","wlan1","wifi0","ath0","ath1","ppp0"]
+        for ifname in interfaces:
+            try:
+                ip = get_interface_ip(ifname)
+                break
+            except IOError:
+                pass
+    return ip