在對windows安裝包產品進行測試時，安裝和卸載是難免的，并且人工的手動安裝和卸載會花費大量的精力和時間，為此需要編寫一個腳本來實現對windows安裝包產品的自動卸載和安裝。

首先參考了 http://www.cnblogs.com/TankXiao/archive/2012/10/18/2727072.html#msiexec ，該博文詳細講解了使用msiexe命令進行卸載的內容，同時提供了使用C#實現的卸載程序。對此，我想到了使用python編寫腳本實現類似的功能。主要的算法大致是使用軟件名稱去注冊表中搜索到該軟件的包括productCode在內的uninstallString，而后根據這個字符串進行默認卸載，再根據軟件的msi包路徑進行默認安裝。小弟菜鳥一枚，初次編寫腳本，望大家多指點。

#this function is used to get the uninstall string of a software in windows

#input:the dir which is a register key,the name of software product

#output:the uninstall string,if None,means no find

def getProductCode(dir,prodcutName):

uninstallString = ''

#get the key of the uninstall path

#get the subkey,get the one which have the same name with productName

#by the subkey,get the value of uninstall string of it

try:

key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE ,dir)

j=0

while 1:

name = _winreg.EnumKey(key,j)

#name = repr(name)

path = dir + '\\' + name

subkey = _winreg.OpenKey(key ,name)

value,type ='',''

try:

value,type = _winreg.QueryValueEx(subkey,'DisplayName')

except Exception,e:

pass

if value == prodcutName:

try:

value2,type2 = _winreg.QueryValueEx(subkey,'UninstallString')

except Exception,e:

pass

uninstallString = value2

return uninstallString

_winreg.CloseKey(subkey)

#print value,' ',type

j+=1

except WindowsError,e:

print

finally:

_winreg.CloseKey(key)

pass

#define the function uninstall_productbyCode(),to uninstall the product by code

def uninstall_productbyCode(code):

#uninstall_cmd = "msiexec /x /quiet /norestart " + path

uninstall_cmd = code + ' /quiet'

print uninstall_cmd

if os.system(uninstall_cmd) == 0:

return 0;

else:

return -1;

#define the function install_product(),to install the product

def install_product(path):

install_cmd = "msiexec /qn /i " + path

print install_cmd

if os.system(install_cmd) == 0:

return 0;

else:

return -1;

#define the function Is64Windows(),to judge the system is whether 64Windows

def Is64Windows():

return 'PROGRAMFILES(X86)' in os.environ

#define the function agent_install(),to auto install product

def product_install():

if Is64Windows():

product_path = product_loc + "softwarename_x64.msi"

else:

product_path = product_loc + "softwarename.msi"

reg_dir = cst_path4_x86

uninstallString = getProductCode(reg_dir,u'軟件中文名')

print uninstallString

#for maybe in english system,we need to get english version product code,if we don't get chinese of that

if uninstallString == None:

uninstallString = getProductCode(reg_dir,u'軟件英文名')

print uninstallString

# uninstall product

if uninstallString != None and 0 == uninstall_productbyCode(uninstallString):

print "uninstall softwarename scuessful"

else:

print "uninstall softwarename fail"

# install product

if 0 == install_product(product_path):

print "install softwarename scuessful"

else:

print "install softwarename fail"

pass

總結

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