清华大佬耗费三个月吐血整理的几百G的资源,免费分享!....>>>
如果下载小文件,可以直接使用urllib.urlretrieve方法:
1 2 | import urllib urllib.urlretrieve ( "http://www.example.com/songs/mp3.mp3" , "mp3.mp3" ) |
但是如果下载的文件尺寸很大,就不适合直接urlretrieve了。我们需要按块读取文件来下载:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | import urllib2 url = "http://download.thinkbroadband.com/10MB.zip" file_name = url.split( '/' )[ - 1 ] u = urllib2.urlopen(url) f = open(file_name, 'wb' ) meta = u.info() file_size = int(meta.getheaders( "Content-Length" )[ 0 ]) print "Downloading: %s Bytes: %s" % (file_name, file_size) file_size_dl = 0 block_sz = 8192 while True : buffer = u.read(block_sz) if not buffer: break file_size_dl + = len(buffer) f.write(buffer) status = r "%10d [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size) status = status + chr( 8 ) * (len(status) + 1 ) print status, f.close() |