[英]Any better way to check string for valid IPv4 and IPv6?
我有以下任務:
使用默認模塊確定字符串是否具有有效的IPv4或IPv6地址。 我在這里找到了一個使用套接字模塊的有趣方法:
import socket
ip = '10.1.0.10'
try:
# test for IPv4
socket.inet_pton(socket.AF_INET, ip)
except socket.error:
try:
# test for IPv6
socket.inet_pton(socket.AF_INET6, ip)
except socket.error:
print(ip, " is not valid")
在這種情況下嘗試嘗試似乎很難看,有更好的方法嗎? 考慮到我必須檢查大約100個IP的事實,是否有一個不同的模塊可以以更好的方式完成相同的操作。
您可以使用ipaddress模塊。 文檔可以在這里找到: https : //docs.python.org/3/library/ipaddress.html
示例代碼:
>>> ipaddress.ip_address('192.168.0.1')
IPv4Address('192.168.0.1')
>>> ipaddress.ip_address('2001:db8::')
IPv6Address('2001:db8::')
>>> ipaddress.ip_address('323.4.7.8')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3.4/ipaddress.py", line 54, in ip_address
address)
ValueError: '323.4.7.8' does not appear to be an IPv4 or IPv6 address
>>> ipaddress.ip_address('ffff::4543:1f1f::134')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3.4/ipaddress.py", line 54, in ip_address
address)
ValueError: 'ffff::4543:1f1f::134' does not appear to be an IPv4 or IPv6 address
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