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https://github.com/JamesonHuang/OpenWrt_Luci_Lua.git
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76 lines
2.0 KiB
Python
76 lines
2.0 KiB
Python
#!/usr/bin/env python
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# coding=utf-8
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import urllib
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import urllib2
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import os
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def cbk(a, b, c):
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'''''回调函数
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@a: 已经下载的数据块
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@b: 数据块的大小
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@c: 远程文件的大小
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'''
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per = 100.0 * a * b / c
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if per > 100:
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per = 100
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print '%.2f%%' % per
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""" urllib下载
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url = 'http://www.sina.com.cn'
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#local = '/home/rh/my_code/OpenWrt_Luci_Lua/1_7.http_proxy_server/python/testCode/sina.html'
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#local = '/home/rh/my_code/OpenWrt_Luci_Lua/1_7.http_proxy_server/python/testCode/test.html'
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#local = './cache/backup'
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fileName = url.split('/')[-1]
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local = os.path.join('./cache',fileName)
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urllib.urlretrieve(url, local, cbk)
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"""
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#url = "http://download.meizu.com/Firmware/Flyme/m1_note/4.2/cmcc/20150507154711/61746475/update.zip"
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url = "https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superplus/img/logo_white_ee663702.png"
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req = urllib2.Request(url)
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req.add_header('Range', 'bytes=0-7000')
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response = urllib2.urlopen(req)
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buffer = response.read()
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with open("./cache/test1.png", "a+") as fp:
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fp.write(buffer)
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req = urllib2.Request(url)
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req.add_header('Range', 'bytes=7001-14175')
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response = urllib2.urlopen(req)
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buffer = response.read()
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with open("./cache/test2.png", "a+") as fp:
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fp.write(buffer)
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""" urllib2下载 request失败
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url = 'http://www.sina.com.cn'
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req = urllib2.Request(url)
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#req.add_header('range','byte:1-100')
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response = urllib2.urlopen(req)
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file = response.read()
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with open("urllib2test.html", "a+") as fp:
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fp.write(file)
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"""
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"""urlopener 失败"""
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url = 'http://www.sina.com.cn'
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opener = urllib2.build_opener()
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#不加头信息则出现403错误和乱码
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opener.addheaders = [('User-agent', 'Mozilla/5.0')];
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#opener.addheaders = [('range', 'byte:1-100')]
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htmlAll = opener.open( url ).read()
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reg1Floor = '<div class="msgfont">(.*?)</div>'
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#文件保存编码和文件编辑编码都是utf-8，所以decode一次，不然会出现乱码，但是不影响结果。
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#htmlAll.decode('utf-8')
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print(htmlAll)
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