import socket

broadcast_mac = "\xff" * 6

my_mac = "\x52\x54\x00\x6f\xb4\x77"
gateway_IP = "\xAC\x1E\x00\x01"
target_mac = "\x52\x54\x00\xb7\x13\x58"
target_IP = "\xAC\x1E\x00\x52"
my_IP = "\xAC\x1E\x00\x54"
# ethernet header
ethernet_header  = broadcast_mac    # Destination MAC
ethernet_header += my_mac           # Source MAC
ethernet_header += "\x08\x06"       # ARP Type: 0x0806
# build arp packet
arp_data  = "\x00\x01"              # Ethernet type
arp_data += "\x08\x00"              # IP Protocol
arp_data += "\x06"                  # Addr length
arp_data += "\x04"                  # Protocol Addr length
arp_data += "\x00\x02" 				# Operation - Reply
arp_data += my_mac 					# Sender Hardware Addr
arp_data += my_IP					# Sender IP Addr
arp_data += target_mac 				# Target Hardware Addr
arp_data += target_IP 				# Target IP Addr

# finish building arp packet here
frame = ethernet_header + arp_data

# create raw socket here
sock = socket.socket(socket.PF_PACKET, socket.SOCK_RAW)
sock.bind(('eth0', 0))
sock.send(frame)
sock.close()