Here is the Film exporter

outputFile = '*.lxf'

def prepare():
 w,h = scene.OutputRes()
 dim = data.Film.Poser
 dim.width = w
 dim.height = h

def emit():
 lux.typeof.Film = 'fleximage'
 src = choose(overrideDimension, Dimension, metadata.Poser)
 lux.xresolution=src.width
 lux.yresolution=src.height
 lux.displayinterval=displayInterval
 lux.writeinterval = writeInterval
 lux.haltspp = choose(enableStopSPP, stopSPP, 0)
 lux.halttime = choose(enableStopTime, stopTime, 0)
 setattr(lux, 'write_' + saveAs.lower(), 'True')
 tm = ToneMapper
 lux.tonemapkernel=tm.kernel
 if tm.kernel == "Linear":
  lux.linear_sensitivity=float(tm.linearSensitivity)
  lux.linear_exposure=float(tm.linearExposure)
  lux.linear_fstop=float(tm.linearFStop)
  lux.linear_gamma=float(tm.linearGamma)
 
 
 

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