Python ctypes.OleDLL() Examples

The following are 3 code examples of ctypes.OleDLL(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module ctypes , or try the search function .
Example #1
Source File: mapiex.py    From nsf2x with GNU General Public License v2.0 6 votes vote down vote up 
def CoCreateInstanceC2R (self, store, reg, clsid, iid) :
        # Ugly code to find DLL in C2R version of COM object and get a COM
        # object despite the fact that COM doesn't handle C2R
        try:
            # Get DLL to load from 2R register 
            aReg = winreg.ConnectRegistry(None, store)
            aKey = winreg.OpenKey(aReg, reg, 0, winreg.KEY_READ | winreg.KEY_WOW64_64KEY)
            dummy_n, IconvDLL, dummy_t = winreg.EnumValue(aKey, 0)
            winreg.CloseKey(aKey)
            winreg.CloseKey(aReg)
            
            # Create OLE object from DLL
            IconvOLE = ctypes.OleDLL(IconvDLL)
            
            # Get COM Instance from OLE 
            clsid_class = uuid.UUID(str(clsid)).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)
            return MyFactory.CreateInstance (None, str(iid))
        except:
            return None
Example #2
Source File: load_library.py    From msl-loadlib with MIT License 5 votes vote down vote up 
def lib(self):
        """Returns the reference to the loaded library object.

        For example, if `libtype` is

            * ``'cdll'`` then a :class:`~ctypes.CDLL` object
            * ``'windll'`` then a :class:`~ctypes.WinDLL` object
            * ``'oledll'`` then a :class:`~ctypes.OleDLL` object
            * ``'net'`` or ``'clr'`` then a :class:`~.load_library.DotNet` object
            * ``'java'`` then a :class:`~py4j.java_gateway.JVMView` object
            * ``'com'`` then the interface pointer returned by comtypes.CreateObject_
        """
        return self._lib
Example #3
Source File: __init__.py    From thonny with MIT License 5 votes vote down vote up 
def set_dpi_aware():
    # https://stackoverflow.com/questions/36134072/setprocessdpiaware-seems-not-to-work-under-windows-10
    # https://bugs.python.org/issue33656
    # https://msdn.microsoft.com/en-us/library/windows/desktop/dn280512(v=vs.85).aspx
    # https://github.com/python/cpython/blob/master/Lib/idlelib/pyshell.py
    if sys.platform == "win32":
        try:
            import ctypes

            PROCESS_SYSTEM_DPI_AWARE = 1
            ctypes.OleDLL("shcore").SetProcessDpiAwareness(PROCESS_SYSTEM_DPI_AWARE)
        except (ImportError, AttributeError, OSError):
            pass