【问题标题】:Python COM server throws 'module' object has no attribute 'VARIANT'Python COM 服务器抛出“模块”对象没有属性“VARIANT”
【发布时间】:2012-08-05 12:22:56
【问题描述】:

这是一个用 Python 实现的 COM 服务器:

from win32com.server.exception import COMException
import pythoncom
import sys
import os
from string import Template
import logging
import logging.config

class Connector:
    _reg_clsctx_ = pythoncom.CLSCTX_LOCAL_SERVER
    _reg_clsid_ = "{0CE25AEB-1AFA-4DA7-97BD-F93CDBFB376C}"
    _reg_desc_ = "Python Test COM Server"
    _reg_progid_ = "Compy.Connect"
    _public_methods_ = ['Process', 'Status']
    _public_attrs_ = []
    _readonly_attrs_ = []

    def Process(self, what):
        pass

    def Status(self):
        return Template("""
        Current Directory: $dir
        Installed: $script
        PythonPATH: $pyPath
        """).substitute(dir = os.getcwd(),
                        script = os.path.abspath(__file__),
                        pyPath = sys.path)

if __name__ == '__main__':
    import win32com.server.register
    win32com.server.register.UseCommandLine(Connector)

注册正常。 当它运行时,它会在生产机器上发生以下情况,但不会在开发机器上发生:

>>> cc = CreateObject("Compy.Connect")
>>> cc.Status()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Python26\lib\site-packages\comtypes\client\dynamic.py", line 42, in _
_call__
    return self._obj._comobj.Invoke(self._id, *args)
  File "C:\Python26\lib\site-packages\comtypes\automation.py", line 717, in Invo
ke
raise COMError(hresult, text, details)
_ctypes.COMError: (-2147352567, 'Exception occurred.', (u"Unexpected Python Erro
r: AttributeError: 'module' object has no attribute 'VARIANT'\n", u'Python COM S
erver Internal Error', None, 0L, -2147467259))
>>>

我已经安装了 comtypes 0.6.2。运行 Python 2.6.6

【问题讨论】:

    标签: python com com-server


    【解决方案1】:

    VARIANT 类是在 Pywin32 build 217 中引入的。 尝试在机器上安装最新版本 失败了。

    【讨论】:

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