Refit all of selected keyframes as a difference FPS

refit-selected-keyframes-with-fps.py

# Houdini

import hou

def main():
    # find any pane tab that is a Channel Editor
    channel_editor = hou.ui.paneTabOfType(hou.paneTabType.ChannelEditor) 
    
    if not channel_editor:
        hou.ui.displayMessage("No channel editor pane is displayed")
        return
    
    graph = channel_editor.graph()

    # get the graph's selected keyframes in a dict called keyframes
    if not graph:
        hou.ui.displayMessage("No Graph Editor is displayed")
        return
        
    keyframes = graph.selectedKeyframes() 
    
    for parm in keyframes.keys():
        kfs = list(keyframes[parm])
        for (i, key) in enumerate(kfs):
            parm.deleteKeyframeAtFrame(key.frame())
            frame = key.time() * 25 + 1.0
            time = hou.frameToTime(frame)
            key.setTime(time)
            kfs[i] = key
        parm.setKeyframes(kfs)
            
main()