vc获取主域名

import tldextract

def get_main_domain(url):
    extracted = tldextract.extract(url)
    main_domain = f"{extracted.domain}.{extracted.suffix}"
    return main_domain

# 示例
url = "https://www.example.com/path/to/resource"
main_domain = get_main_domain(url)
print(main_domain)  # 输出: example.com

import tldextract
import idna

def get_main_domain(url):
    extracted = tldextract.extract(url)
    domain = extracted.domain.encode('idna').decode('utf-8')
    suffix = extracted.suffix.encode('idna').decode('utf-8')
    main_domain = f"{domain}.{suffix}"
    return main_domain

# 示例
url = "https://例子.测试"
main_domain = get_main_domain(url)
print(main_domain)  # 输出: xn--fsq.xn--0zwm56d

import tldextract

def get_main_domain(url):
    extracted = tldextract.extract(url)
    if extracted.subdomain:
        main_domain = f"{extracted.domain}.{extracted.suffix}"
    else:
        main_domain = f"{extracted.subdomain}.{extracted.domain}.{extracted.suffix}"
    return main_domain

# 示例
url = "https://sub.example.com/path/to/resource"
main_domain = get_main_domain(url)
print(main_domain)  # 输出: example.com