Python3 urllib.parse

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urllib.parse分为URL parsing and URL quoting，即网址解析和网址引用。

URL解析函数专注于将URL字符串拆分为其组件，或将URL组件组合到URL字符串中。

urllib.parse.urlparse(urlstring,scheme='', allow_fragments=True)

>>> from urllib.parse import urlparse>>> o = urlparse('http://www.cwi.nl:80/%7Eguido/Python.html')>>> o   ParseResult(scheme='http', netloc='www.cwi.nl:80', path='/%7Eguido/Python.html',            params='', query='', fragment='')>>> o.scheme'http'>>> o.port80>>> o.geturl()'http://www.cwi.nl:80/%7Eguido/Python.html'

>>> from urllib.parse import urlparse>>> urlparse('//www.cwi.nl:80/%7Eguido/Python.html')ParseResult(scheme='', netloc='www.cwi.nl:80', path='/%7Eguido/Python.html',           params='', query='', fragment='')>>> urlparse('www.cwi.nl/%7Eguido/Python.html')ParseResult(scheme='', netloc='', path='www.cwi.nl/%7Eguido/Python.html',           params='', query='', fragment='')>>> urlparse('help/Python.html')ParseResult(scheme='', netloc='', path='help/Python.html', params='',           query='', fragment='')

urllib.parse.urlsplit(urlstring,scheme='', allow_fragments=True)

使用方法同上

合并URL

urll.parse.urlencode()

urllib.parse.urlunsplit(parts)

urllib.parse.urljoin(base,url, allow_fragments=True)

>>> from urllib.parse import urljoin>>> urljoin('http://www.cwi.nl/%7Eguido/Python.html', 'FAQ.html')'http://www.cwi.nl/%7Eguido/FAQ.html'

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