用python将EML (MIME)转换为MSG
用python将EML (MIME)转换为MSG
提问于 2022-05-31 20:53:51
我正在尝试使用python将EML文件转换为MSG (Outlook)文件。使用不同的例子，我能够收集这段代码，但是它不起作用。它创建了一个msg文件，但是Outlook无法读取该文件，其大小比输入的eml文件大两倍。我有点迷茫了，有什么想法吗？
from win32com.mapi import mapi
from win32com.mapi import mapitags
import win32com.client
import pythoncom
from win32com import storagecon
import ctypes
import platform
import winreg
import uuid
import sys
import os
mapi.MAPIInitialize((mapi.MAPI_INIT_VERSION, mapi.MAPI_MULTITHREAD_NOTIFICATIONS))
IconvOLE = ctypes.OleDLL(r'C:\Program Files (x86)\Microsoft Office\root\Office16\OUTLMIME.DLL')
clsid_class = uuid.UUID(str(mapi.CLSID_IConverterSession)).bytes_le
iclassfactory = uuid.UUID(str(pythoncom.IID_IClassFactory)).bytes_le
com_classfactory = ctypes.c_long(0)
IconvOLE.DllGetClassObject(clsid_class, iclassfactory, ctypes.byref(com_classfactory))
MyFactory = pythoncom.ObjectFromAddress(com_classfactory.value, pythoncom.IID_IClassFactory)
cs = MyFactory.CreateInstance (None, str(mapi.IID_IConverterSession))
eml = mapi.OpenStreamOnFileW(r"C:\test.eml")
stg = pythoncom.StgCreateDocfile(r"C:\test.msg",
storagecon.STGM_CREATE | storagecon.STGM_READWRITE | storagecon.STGM_TRANSACTED)
msg = mapi.OpenIMsgOnIStg(0, None, stg, None, 0, mapi.MAPI_UNICODE)
cs.MIMEToMAPI(eml, msg, win32com.mapi.mapi.CCSF_SMTP | win32com.mapi.mapi.CCSF_INCLUDE_BCC)
msg.SaveChanges(0)
mapi.MAPIUninitialize()Stack Overflow用户
回答已采纳
发布于 2022-06-06 13:20:18
因此，在我从Outlook x86迁移到x64之后，它就开始工作了，并添加了以下注册表项：
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4E3A7680-B77A-11D0-9DA5-00C04FD65685}]
@="CLSID_IConverterSession"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{4E3A7680-B77A-11D0-9DA5-00C04FD65685}\InprocServer32]
@="C:\\Program Files\\Microsoft Office\\root\\Office16\\OUTLMIME.DLL"
"ThreadingModel"="Both"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9EADBD1A-447B-4240-A9DD-73FE7C53A981}]
@="CLSID_IMimeMessage"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9EADBD1A-447B-4240-A9DD-73FE7C53A981}\InprocServer32]
@="C:\\Program Files\\Microsoft Office\\root\\Office16\\OUTLMIME.DLL"
"ThreadingModel"="Both"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{9EADBD1A-447B-4240-A9DD-73FE7C53A981}\Typelib]
@="{9EADBD25-447B-4240-A9DD-73FE7C53A981}"键是您可以在其中找到的密钥的副本：
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\ClickToRun\REGISTRY\MACHINE\Software\Classes\CLSID工作代码：
mapi.MAPIInitialize((mapi.MAPI_INIT_VERSION, mapi.MAPI_MULTITHREAD_NOTIFICATIONS))
inf = mapi.OpenStreamOnFile(r"C:\Users\xxx\raw.eml")
stg = pythoncom.StgCreateDocfile(r"C:\Users\xxx\raw.msg",
storagecon.STGM_CREATE | storagecon.STGM_READWRITE | storagecon.STGM_SHARE_EXCLUSIVE | storagecon.STGM_TRANSACTED)
msg = mapi.OpenIMsgOnIStg(0, None, stg, None, 0, mapi.MAPI_UNICODE)
cs = pythoncom.CoCreateInstance(mapi.CLSID_IConverterSession, None, pythoncom.CLSCTX_INPROC_SERVER, mapi.IID_IConverterSession)
cs.MIMEToMAPI(inf, msg, 0)
msg.SaveChanges(0)
mapi.MAPIUninitialize()页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/72454016
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