Python之网络爬虫：utllib库的urlretrieve()函数使用

Python之网络爬虫：utllib库的urlretrieve()函数使用

utllib库的urlretrieve()函数功能简介
该函数可以非常方便的将网页上的一个文件保存到本地，简单粗暴！！！！

def urlretrieve(url, filename=None, reporthook=None, data=None):
    """
    Retrieve a URL into a temporary location on disk.

    Requires a URL argument. If a filename is passed, it is used as
    the temporary file location. The reporthook argument should be
    a callable that accepts a block number, a read size, and the
    total file size of the URL target. The data argument should be
    valid URL encoded data.

    If a filename is passed and the URL points to a local resource,
    the result is a copy from local file to new file.

    Returns a tuple containing the path to the newly created
    data file as well as the resulting HTTPMessage object.
    """

urlretrieve()函数例子

from urllib import request
#使用urlretrieve()函数将盲僧高清壁纸下载到本地
request.urlretrieve('http://pic1.win4000.com/wallpaper/e/5860d87d32092.jpg','盲僧.jpg')