[Python] How can I use a wx.FileDialog to select a file which is locked by another process

I'm trying to use the wx.FileDialog class to select the name of a file. I don't want to open it. This is a minimal example of what I'm trying to do:

import wx

if __name__ == '__main__':
app = wx.App(redirect=False)
frame = wx.Frame(None)
frame.Show()

dlg = wx.FileDialog(parent=frame, style=wx.FD_OPEN|wx.FD_FILE_MUST_EXIST, wildcard="Project (*.ap*)|*.ap*|All files (*.*)|*.*")
dlg.ShowModal()

app.MainLoop()




The text is in Swedish and says "File in use. Select a different name of close the file in use in another program".

I'm trying to select the filename of a TIA Portal project file (Siemens PLC programming tool). Unfortunately it seems that TIA Portal locks the file. NOTE: I don't want to open the file. I just need the name.

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