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from __future__ import annotations
from functools import lru_cache
from urllib.parse import urlparse
from tldextract import tldextract
@lru_cache(100)
def get_domain(url: str) -> str:
"""
Return the domain without any subdomain
>>> get_domain("http://blog.example.com")
'example.com'
>>> get_domain("http://www.example.com")
'example.com'
>>> get_domain("http://deeper.blog.example.co.uk")
'example.co.uk'
>>> get_domain("http://127.0.0.1")
'127.0.0.1'
"""
parts = tldextract.extract(url)
return ".".join(part for part in (parts.domain, parts.suffix) if part)
def is_absolute(url: str) -> bool:
return bool(urlparse(url).netloc)
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