半瓶墨水 - 任中方

import sys, os, getpass
import subprocess as exe
import _winreg as R

target = ''
if len(sys.argv) > 1:
  target = sys.argv[1]

uninstalls = []

for root in (R.HKEY_LOCAL_MACHINE, R.HKEY_CURRENT_USER):
  with R.OpenKey(root, "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall") as key:
    keys = []
    i = 0
    while True:
      try:
        keys.append(R.EnumKey(key, i))
        i += 1
      except Exception as e:
        #print e
        break

    for k in keys:
      try:
        with R.OpenKey(key, k) as hkey:
          try:
            v = R.QueryValueEx(hkey, "DisplayName")
            v = str(v[0])
            if v.lower().find(target.lower()) >= 0:
              uninstalls.append((v, R.QueryValueEx(hkey, "UninstallString")[0]))
          except Exception as e:
            #print e
            pass
      except:
        pass

try:
  if not uninstalls:
    print "uninstall for %s not found" % target
  elif len(uninstalls) == 1:
    print
    print "\t%s" % uninstalls[0][0]
    print
    raw_input("press ENTER to uninstall, Ctrl+C to stop")
    exe.call(uninstalls[0][1])
  else:
    print "multiple matches, please choose:\n"
    i = 1
    for nu in uninstalls:
      print "%3d " % i, nu[0]#, '\t', nu[1]
      i += 1
    print
    val = 0
    while val <=0 or val > len(uninstalls):
      try:
        val = int(raw_input("select a number, Ctrl+C to quit: "))
      except ValueError:
        pass
    name, uninst = uninstalls[val-1]
    print
    print "\t%s" % name
    print
    raw_input("press ENTER to uninstall, Ctrl+C to stop")
    exe.call(uninst)
except KeyboardInterrupt:
  pass
finally:
  print