Thank you for letting me know @m_adam

Thank you so much @m_adam !
I try to texture_baker example just now you mentioned! Adding some options with BaseContainer()

        bakeData[c4d.BAKE_TEX_AMBIENT_OCCLUSION] = True
        bakeData[c4d.BAKE_TEX_AO_VERTEX_MAP] = True

It's working but I want to make a vertex map tag into the selected object like the below image.

It's automatically generated when I click the bake button in the Bake texture tag(blue) with my hand, but I don't know how to do it with python code.

This is code that simplifies and adds options.
Finally, I got the bitmap so Can I use a bitmap to make the Bake texture tag into the object?

import c4d

class TextureBakerThread(c4d.threading.C4DThread):

    def __init__(self, doc, textags, texuvws, destuvws):
        self.doc = doc
        self.textags = textags
        self.texuvws = texuvws
        self.destuvws = destuvws

        self.bakeDoc = None
        self.bakeData = None
        self.bakeBmp = c4d.bitmaps.MultipassBitmap(512, 512, c4d.COLORMODE_RGB)
        self.bakeError = c4d.BAKE_TEX_ERR_NONE

    def Begin(self):

        # Defines baking setting
        bakeData = c4d.BaseContainer()
        bakeData[c4d.BAKE_TEX_WIDTH] = 512
        bakeData[c4d.BAKE_TEX_HEIGHT] = 512
        bakeData[c4d.BAKE_TEX_PIXELBORDER] = 1
        bakeData[c4d.BAKE_TEX_CONTINUE_UV] = False
        bakeData[c4d.BAKE_TEX_SUPERSAMPLING] = 0
        bakeData[c4d.BAKE_TEX_FILL_COLOR] = c4d.Vector(1)
        bakeData[c4d.BAKE_TEX_USE_BUMP] = False
        bakeData[c4d.BAKE_TEX_USE_CAMERA_VECTOR] = False
        bakeData[c4d.BAKE_TEX_AUTO_SIZE] = False
        bakeData[c4d.BAKE_TEX_NO_GI] = False
        bakeData[c4d.BAKE_TEX_GENERATE_UNDO] = False
        bakeData[c4d.BAKE_TEX_PREVIEW] = False
        bakeData[c4d.BAKE_TEX_COLOR] = True
        bakeData[c4d.BAKE_TEX_UV_LEFT] = 0.0
        bakeData[c4d.BAKE_TEX_UV_RIGHT] = 1.0
        bakeData[c4d.BAKE_TEX_UV_TOP] = 0.0
        bakeData[c4d.BAKE_TEX_UV_BOTTOM] = 1.0
        bakeData[c4d.BAKE_TEX_AMBIENT_OCCLUSION] = True # HERE I ADD
        bakeData[c4d.BAKE_TEX_AO_VERTEX_MAP] = True # HERE I ADD
        # bakeData[c4d.BAKE_TEX_OPTIMAL_MAPPING] = c4d.BAKE_TEX_OPTIMAL_MAPPING_CUBIC

        self.bakeData = bakeData

        # Initializes bake process
        bakeInfo = c4d.utils.InitBakeTexture(self.doc, self.textags, self.texuvws, self.destuvws, self.bakeData, self.Get())
        self.bakeDoc = bakeInfo[0]
        self.bakeError = bakeInfo[1]

        if self.bakeError != c4d.BAKE_TEX_ERR_NONE or self.bakeDoc is None:
            return False

        # Starts bake thread
        self.Start(c4d.THREADMODE_ASYNC, c4d.THREADPRIORITY_BELOW)
        return True

    def BakeTextureHook(self, info):
        # Texture Baker hook, currently not used
        # print info
        pass

    def Main(self):
        # Bake Texture Thread Main routine
        self.bakeError = c4d.utils.BakeTexture(self.bakeDoc, self.bakeData, self.bakeBmp, self.Get(), self.BakeTextureHook)


if __name__ == '__main__':
    obj = doc.GetActiveObject()
    uvwTag = obj.GetTag(c4d.Tuvw)
    tags = obj.GetTags()
    textags, texuvws, destuvws = [], [], []
    for tag in tags:
        if tag.CheckType(c4d.Ttexture):
            textags.append(tag)
            texuvws.append(uvwTag)
            destuvws.append(uvwTag)

    textureBakerThread = TextureBakerThread(doc, textags, texuvws, destuvws)
    print textureBakerThread
    print textureBakerThread.Begin()
    bmp = textureBakerThread.bakeBmp
    if bmp is None:
        raise RuntimeError("Failed to retrieve the baked bitmap.")

    # Displays the bitmap
    c4d.bitmaps.ShowBitmap(bmp)

    # Removes the reference to the C4D Thread, so the memory used is free
    textureBakerThread = None

Thank you for your time @m_adam !

Hello, I am a newbie in c4d python programming.
And have tried to bake BakeTextureTag by script.

Like below..

if __name__ == '__main__':
    tags = doc.GetActiveTags()

    for i, tag in enumerate(tags):
        c4d.CallButton(tag, c4d.BAKETEXTURE_BAKE)

The problem is how to know when the baking is done??

I'd like to bake one by one. Because I baked several things at the same time, my computer goes down :(

I've seen some examples of threads. It's too hard, and it's just showing me the uvw tag bake not BakeTexture Tag.

Please give me some advice.

Thanks.