def search_address(ip_address):
ip_address =check_type(StringType, ip_address)
address_class =classify_address(ip_address)
re_spaces =re.compile("\s+")
binary_target_address =""
for octet in ip_address.split("."):
octet =int(octet)
binary_octet =format(octet, "b").zfill(8)
binary_target_address +=binary_octet
with open(class_list_paths[address_class], "r") as file:
for line in file:
line_as_array =re_spaces.split(line.rstrip())[1].split("/")
network_address =line_as_array[0]
subnetmask =int(line_as_array[1])
re_subnetmask =re.compile("^\d{%(subnetmask)d}" % locals())
binary_network_address =""
for octet in network_address.split("."):
octet =int(octet)
binary_octet =format(octet, "b").zfill(8)
binary_network_address +=binary_octet
extracted_network_address =re_subnetmask.match(binary_network_address).group()
extracted_target_address =re_subnetmask.match(binary_target_address).group()
if int(extracted_network_address) ^ int(extracted_target_address) == 0:
# found
print line,
return 0
def classify_address(ip_address):
ip_address =check_type(StringType, ip_address)
first_octet =int( ip_address.split(".")[0] )
if 1 <= first_octet <= 126:
return 0
elif 128 <= first_octet <= 191:
return 1
elif 192 <= first_octet <= 223:
return 2
