파이썬 - 웹 링크 다운로드 (버퍼)

import urllib2

def ReportError(msg, screenprinttoo = True):

    if screenprinttoo: print msg

    f = open("Error.log", "a")

    f.write(time.ctime() + " : " + msg + "\n")

    f.close()

def WebLinkSave(url, savedfilename):

    try:

        f = urllib2.urlopen(url)

    except:

        ReportError("Cannot save url: " + url)

        return None

    output = open(savedfilename,'wb',1024*1024*10)

    while True:

        binaryfile = f.read()

        if len(binaryfile)==0:

            break

        output.write(binaryfile)

    output.close()     

    return binaryfile

s=raw_input('url, filename(to save) : ')

s1=s.split()

url,savename=s1[0],s1[1]

WebLinkSave(url, savename)