有一个很好的结构,可以控制Win32com对象,例如:
win32com.client.Dispatch('Word.Application')
win32com.client.Dispatch('Excel.Application')
有没有一种方法可以获取可用应用程序(*.Application)的完整列表?
更新。通过扫描注册表键HKEY_CLASSES_ROOT中的CLSID条目,可以获取列表的可能解决方案。
import winreg
from collections import OrderedDict
def myScan():
result = OrderedDict(); i = 0
while True:
try:
a1 = winreg.OpenKey(aReg, winreg.EnumKey(winreg.HKEY_CLASSES_ROOT, i))
if i%1000==0:
print(i,'processing')
j = 0
while True:
try:
#print(j)
a2 = winreg.EnumKey(a1,j)
if a2=='CLSID':
kkkey = winreg.EnumKey(winreg.HKEY_CLASSES_ROOT,i)
vvvalue = winreg.EnumValue(winreg.OpenKey(a1,a2),0)
result[kkkey] = vvvalue
break
j+=1
except OSError:
break
i+=1
except OSError:
break
return result
result = myScan() #candidates
print(len(res)) # 3363
keys_ = list(result.keys())
#retrieving part of result
for i in keys_[:10]:
print(i,'=>',result[i])
"""
AccClientDocMgr.AccClientDocMgr => ('', '{FC48CC30-4F3E-4fa1-803B-AD0E196A83B1}', 1)
AccClientDocMgr.AccClientDocMgr.1 => ('', '{FC48CC30-4F3E-4fa1-803B-AD0E196A83B1}', 1)
AccDictionary.AccDictionary => ('', '{6572EE16-5FE5-4331-BB6D-76A49C56E423}', 1)
AccDictionary.AccDictionary.1 => ('', '{6572EE16-5FE5-4331-BB6D-76A49C56E423}', 1)
Access.ACCDAExtension => ('', '{73A4C9C1-D68D-11D0-98BF-00A0C90DC8D9}', 1)
Access.ACCDCFile => ('', '{73A4C9C1-D68D-11D0-98BF-00A0C90DC8D9}', 1)
Access.ACCDCFile.14 => ('', '{73A4C9C1-D68D-11D0-98BF-00A0C90DC8D9}', 1)
Access.ACCDEFile => ('', '{73A4C9C1-D68D-11D0-98BF-00A0C90DC8D9}', 1)
Access.ACCDEFile.14 => ('', '{73A4C9C1-D68D-11D0-98BF-00A0C90DC8D9}', 1)
Access.ACCDRFile.14 => ('', '{73A4C9C1-D68D-11D0-98BF-00A0C90DC8D9}', 1)
"""
通过下面的代码筛选列表(长时间且可能不安全的操作),可以获取列表:
import pywintypes
for i in range(len(keys_)):
try:
if i%100==0: print(i,'processing')
app = win32com.client.Dispatch(keys_[i]) #possibly unsafe; for example, word.Quit() is necessary to do
finalList.append(keys_[i])
except pywintypes.com_error:
pass