在Solidworks PDM库上运行makepy后缺少类方法

Question

我正在尝试使用SolidWorksPDMAPI自动化一些文件任务。我做的第一件事是在PDMWorks企业库上运行makepy.py，详细说明如下here。这创建了一个包含大量类定义的python文件，然后我将这些类定义重命名为“pdm_lib.py”。API定义了一组“接口”和“成员”，在python中，这些接口和成员似乎转化为“类”和“方法”。例如，IEDMVault 5类定义就是这样的：

class IEdmVault5(DispatchBaseClass):
    'IEdmVault5 Interface'
    CLSID = IID('{11AD8C69-12EA-4C9D-B20B-8C6D43B735AC}')
    coclass_clsid = IID('{AE784C6C-0155-11D3-B24B-0000F879F93B}')

    # Result is of type IEdmStrLst5
    def BrowseForFile(self, hParentWnd=defaultNamedNotOptArg, lEdmBrowseFlags=8, bsFilter='', bsDefaultExtension=''
            , bsDefaultFileName='', bsDefaultFolder='', bsCaption=''):
        'method BrowseForFile'
        return self._ApplyTypes_(22, 1, (9, 32), ((3, 1), (3, 49), (8, 49), (8, 49), (8, 49), (8, 49), (8, 49)), 'BrowseForFile', '{AAFEA179-C9AE-4032-81C4-2AFCAA67B81A}',hParentWnd
            , lEdmBrowseFlags, bsFilter, bsDefaultExtension, bsDefaultFileName, bsDefaultFolder
            , bsCaption)

    # Result is of type IEdmFolder5
    def BrowseForFolder(self, hParentWnd=defaultNamedNotOptArg, bsMessage=defaultNamedNotOptArg):
        'method BrowseForFolder'
        ret = self._oleobj_.InvokeTypes(15, LCID, 1, (9, 0), ((3, 1), (8, 1)),hParentWnd
            , bsMessage)
        if ret is not None:
            ret = Dispatch(ret, 'BrowseForFolder', '{050E7719-E0B4-4824-824F-6055B41B52FD}')
        return ret

    # Result is of type IEdmMenu5
    def CreatePluginMenu(self, hMenu=defaultNamedNotOptArg, lInsertPosition=defaultNamedNotOptArg, plStartID=defaultNamedNotOptArg, lSelFileCount=defaultNamedNotOptArg
            , lSelFolderCount=defaultNamedNotOptArg, lCreateMenuFlags=defaultNamedNotOptArg, plItemCount=pythoncom.Missing):
        'method CreatePluginMenu'
        return self._ApplyTypes_(14, 1, (9, 0), ((3, 1), (3, 1), (16387, 3), (3, 1), (3, 1), (3, 1), (16387, 2)), 'CreatePluginMenu', '{65C885D1-C105-45D7-89D2-86B59F5DDCBC}',hMenu
            , lInsertPosition, plStartID, lSelFileCount, lSelFolderCount, lCreateMenuFlags
            , plItemCount)

    # Result is of type IEdmSearch5
    def CreateSearch(self):
        'method CreateSearch'
        ret = self._oleobj_.InvokeTypes(20, LCID, 1, (9, 0), (),)
        if ret is not None:
            ret = Dispatch(ret, 'CreateSearch', '{DF0EDC59-1AD6-401A-B332-70C10318E263}')
        return ret

    # Result is of type IEdmDictionary5
    def GetDictionary(self, bsName=defaultNamedNotOptArg, bCreateIfNew=defaultNamedNotOptArg):
        'method GetDictionary'
        ret = self._oleobj_.InvokeTypes(13, LCID, 1, (9, 0), ((8, 1), (11, 1)),bsName
            , bCreateIfNew)
        if ret is not None:
            ret = Dispatch(ret, 'GetDictionary', '{656C1CE8-E21B-4FDB-A493-484ABBBA5197}')
        return ret

    def GetErrorString(self, lError=defaultNamedNotOptArg, pbsErrorName='0', pbsDescription='0'):
        'method GetErrorString'
        return self._ApplyTypes_(5, 1, (24, 32), ((3, 1), (16392, 50), (16392, 50)), 'GetErrorString', None,lError
            , pbsErrorName, pbsDescription)

    # Result is of type IEdmFile5
    def GetFileFromPath(self, bsFilePath=defaultNamedNotOptArg, ppoRetParentFolder=0):
        'method GetFileFromPath'
        return self._ApplyTypes_(16, 1, (9, 0), ((8, 1), (16393, 50)), 'GetFileFromPath', '{BDFB0459-491E-4E29-9E86-A726B508766F}',bsFilePath
            , ppoRetParentFolder)

    # Result is of type IEdmFolder5
    def GetFolderFromPath(self, bsFolderPath=defaultNamedNotOptArg):
        'method GetFolderFromPath'
        ret = self._oleobj_.InvokeTypes(17, LCID, 1, (9, 0), ((8, 1),),bsFolderPath
            )
        if ret is not None:
            ret = Dispatch(ret, 'GetFolderFromPath', '{050E7719-E0B4-4824-824F-6055B41B52FD}')
        return ret

    # Result is of type IEdmObject5
    def GetObject(self, eType=defaultNamedNotOptArg, lObjectID=defaultNamedNotOptArg):
        'method GetObject'
        ret = self._oleobj_.InvokeTypes(12, LCID, 1, (9, 0), ((3, 1), (3, 1)),eType
            , lObjectID)
        if ret is not None:
            ret = Dispatch(ret, 'GetObject', '{2EE10E23-4B8A-4BC2-9043-E40FB5603169}')
        return ret

    def GetVaultNameFromPath(self, bsPath=defaultNamedNotOptArg):
        'method GetVaultNameFromPath'
        # Result is a Unicode object
        return self._oleobj_.InvokeTypes(4, LCID, 1, (8, 0), ((8, 1),),bsPath
            )

    def GetVersion(self, plMajor=defaultNamedNotOptArg, plMinor=defaultNamedNotOptArg):
        'method GetVersion'
        return self._ApplyTypes_(10, 1, (24, 0), ((16387, 3), (16387, 3)), 'GetVersion', None,plMajor
            , plMinor)

    def Login(self, bsUserName=defaultNamedNotOptArg, bsPasswd=defaultNamedNotOptArg, bsVaultName=defaultNamedNotOptArg):
        'method Login'
        return self._oleobj_.InvokeTypes(1, LCID, 1, (24, 0), ((8, 1), (8, 1), (8, 1)),bsUserName
            , bsPasswd, bsVaultName)

    def LoginAuto(self, bsVaultName=defaultNamedNotOptArg, hParentWnd=defaultNamedNotOptArg):
        'method LoginAuto'
        return self._oleobj_.InvokeTypes(2, LCID, 1, (24, 0), ((8, 1), (3, 1)),bsVaultName
            , hParentWnd)

    def MsgBox(self, lParentWnd=defaultNamedNotOptArg, bsMsg=defaultNamedNotOptArg, eType=0, bsCaption=''):
        'method MsgBox'
        return self._ApplyTypes_(21, 1, (3, 32), ((3, 1), (8, 1), (3, 49), (8, 49)), 'MsgBox', None,lParentWnd
            , bsMsg, eType, bsCaption)

    def RefreshFolder(self, bsFolderPath=defaultNamedNotOptArg):
        'method RefreshFolder'
        return self._oleobj_.InvokeTypes(23, LCID, 1, (24, 0), ((8, 1),),bsFolderPath
            )

    def SetAddInWnd(self, lAddInWnd=defaultNamedNotOptArg, lParentWnd=defaultNamedNotOptArg):
        'method SetAddinWnd'
        return self._oleobj_.InvokeTypes(25, LCID, 1, (24, 0), ((3, 1), (3, 1)),lAddInWnd
            , lParentWnd)

    def VerifyVersion(self, lMajor=defaultNamedNotOptArg, lMinor=defaultNamedNotOptArg):
        'method VerifyVersion'
        return self._oleobj_.InvokeTypes(11, LCID, 1, (24, 0), ((3, 1), (3, 1)),lMajor
            , lMinor)

    _prop_map_get_ = {
        "CommandID": (8, 2, (3, 0), (), "CommandID", None),
        "IsLoggedIn": (3, 2, (11, 0), (), "IsLoggedIn", None),
        "Language": (9, 2, (3, 0), (), "Language", None),
        "Name": (6, 2, (8, 0), (), "Name", None),
        # Method 'RootFolder' returns object of type 'IEdmFolder5'
        "RootFolder": (7, 2, (9, 0), (), "RootFolder", '{050E7719-E0B4-4824-824F-6055B41B52FD}'),
        "RootFolderID": (18, 2, (3, 0), (), "RootFolderID", None),
        "RootFolderPath": (24, 2, (8, 0), (), "RootFolderPath", None),
        "SilentMode": (19, 2, (11, 0), (), "SilentMode", None),
    }
    _prop_map_put_ = {
    }
    def __iter__(self):
        "Return a Python iterator for this object"
        try:
            ob = self._oleobj_.InvokeTypes(-4,LCID,3,(13, 10),())
        except pythoncom.error:
            raise TypeError("This object does not support enumeration")
        return win32com.client.util.Iterator(ob, None)

下面是我编写的一段简单代码，它连接到文件vault并检出文件：

from pdm_lib import *
folder_path = 'C:\\Logos_Production\\vendors\\mcmaster-carr\\test\\'
file_path = 'C:\\Logos_Production\\vendors\\mcmaster-carr\\test\\1019A12.SLDPRT'

username = 'username'
pw = 'pw'
vault_name = 'vault_name'

vault = EdmVault5()
vault.Login(username, pw, vault_name)
folder = vault.GetFolderFromPath(folder_path)
file = vault.GetFileFromPath(file_path, folder)[0]
file.LockFile(folder.ID, file.CurrentVersion)

我遇到的问题是，当我尝试使用“IEdmBatchUnlock”接口时。根据API documention，应为其提供以下“成员”（方法）：

• 添加选择
• 创建文件树
• GetFilelist
• 展示
• 解锁文件

下面是我创建IEdmBatchUnlock并调用“AddSelection”方法的尝试：

from pdm_lib import *

username = 'username'
pw = 'pw'
vault_name = 'vault'

vault = EdmVault5()
vault.Login(username, pw, vault_name)

unlocker = logos_prod.CreateUtility(6)
unlocker.AddSelection(vault, selected_items)

我还尝试使用后期绑定来执行相同的操作：

from win32com.client import Dispatch

username = 'username'
pw = 'pw'
vault_name = 'vault'

vault = win32com.client.Dispatch('ConisioLib.EdmVault.1')
vault.Login(username, pw, vault_name)

unlocker = logos_prod.CreateUtility(6)
unlocker.AddSelection(vault, selected_items)

这两组代码似乎都成功创建了“IEdmBatchUnlock”对象，但在这两种情况下，当我尝试运行“AddSelection”方法时，都会出现相同的“object has no attribute'AddSelection'”错误。当我查看pdm_lib.py中的类定义时，我只看到以下内容：

class IEdmBatchUnlock(DispatchBaseClass):
    'IEdmBatchUnlock Interface'
    CLSID = IID('{748E6759-E16D-4F69-A0BC-98A9A9F2E650}')
    coclass_clsid = None

    _prop_map_get_ = {
        "Comment": (5, 2, (3, 0), ((16392, 10),), "Comment", None),
    }
    _prop_map_put_ = {
        "Comment": ((5, LCID, 4, 0),()),
    }
    def __iter__(self):
        "Return a Python iterator for this object"
        try:
            ob = self._oleobj_.InvokeTypes(-4,LCID,3,(13, 10),())
        except pythoncom.error:
            raise TypeError("This object does not support enumeration")
        return win32com.client.util.Iterator(ob, None)

我在这里或pdm_lib.py中的任何其他地方都没有看到任何对上述方法的引用，因此当我在IEdmBatchUnlock对象上调用AddSelection方法时，python抛出一个错误，这并不奇怪。关于如何在Python中实现这一点，有什么建议吗

*编辑：为了清晰起见，更新了我的帖子

Answer 1

我最终以两种不同的方式解决了这个问题：

1. win32com中的动态调度
2. 使用comptype生成模块

备选案文1代码：

import comtypes.client as cc
cc.GetModule('C:\Program Files (x86)\SOLIDWORKS PDM\EdmInterface.dll')
import comtypes.gen._5FA2C692_8393_4F31_9BDB_05E6F807D0D3_0_5_22 as pdm_lib2

vault = cc.CreateObject('ConisioLib.EdmVault.1')
vault.LoginAuto(vault_name, 0)

备选案文2代码：

import win32com.client
vault = cc.CreateObject('ConisioLib.EdmVault.1')
vault.LoginAuto(vault_name, 0)

当我以这种方式创建vault对象时（然后调用实用工具方法创建解锁器），我能够访问“AddSelection”方法。我不知道为什么这样做有效，makepy.py没有，但我不是COM对象方面的专家

Answer 2

如果您转到访问器下的IEdmBatchUnlock interface page，您将看到IEdmVault7::CreateUtility

你不应该直接创建它