还有其他方法可以下载相同文件（即wget / svn）
import urllib.request
import zipfile
import ssl
ssl._create_default_https_context = ssl._create_unverified_context
urllib.request.urlretrieve("https://svne1.access.nokiasiemensnetworks.com/isource/svnroot/oss_cpf/components/art_cpfwas855/java8_fixes/fixpack8_0_5_17/8.0.5.17-WS-IBMWASJAVA-Linux.zip","fixpack8_0_5_17")
with zipfile.ZipFile('fixpack8_0_5_17',"r") as z :
z.extractall("downloads//")
print("Download Complete")