Nuke Python 自定义动画

这部分介绍如何下Nuke中自定义、扩展自己的动画流程

Tweak Software的RV作为默认动画程序

# Copyright (c) 2010 The Foundry Visionmongers Ltd.  All Rights Reserved.
import platform
import sys
import os.path
import re
import thread
import nuke
import subprocess
import nukescripts
import nukescripts.flipbooking as flipbooking

class RVFlipbook(flipbooking.FlipbookApplication):
""" This is an example implementation of how to deal with implementing a
flipbook application other than NUKE's Player for NUKE. This script
needs to be modified in several places before it can work, so please
read all of the notes marked with TODO and modify them where
necessary."""
  def __init__(self):
    # TODO: Please put your own path in here or add RV path discovery.
    self._rvPath = "/Applications/RV64.app/Contents/MacOS/RV64"

  def name(self):
    return "RV"

  def path(self):
    return self._rvPath

  def cacheDir(self):
    return os.environ["NUKE_TEMP_DIR"]

  def run(self, filename, frameRanges, views, options):
    # TODO: You probably want more involved handling of frame ranges!
    sequence_interval = str(frameRanges.minFrame())+"-"+str(frameRanges.maxFrame())
    for frame in xrange(frameRanges.minFrame(), frameRanges.maxFrame()):
      if frame not in frameRanges.toFrameList():
        print "This example only supports complete frame ranges"
        return

    os.path.normpath(filename)

    args = []
    if nuke.env['WIN32']:
      args.append( "\"" + self.path() + "\"" )
      filename = filename.replace("/", "\\")
      filename = "\"" + filename + "\""
    else:
      args.append( self.path() )


    roi = options.get("roi", None)
    if roi != None and not (roi["x"] == 0.0 and roi["y"] == 0.0 and roi["w"] == 0.0 and roi["h"] == 0.0):
      args.append("-c "+str(int(roi["x"])))
      args.append(str(int(roi["y"])))
      args.append(str(int(roi["w"])))
      args.append(str(int(roi["h"])))

    lut = options.get("lut", "")
    if lut == "linear-sRGB":
      args.append("-sRGB")
    elif lut == "linear-rec709":
      args.append('-rec709')

    args.append(filename)
    args.append(sequence_interval)

    #print args
    os.spawnv(os.P_NOWAITO, self.path(), args)

  def capabilities(self):
    return {
      'proxyScale': False,
      'crop': True,
      'canPreLaunch': False,
      'supportsArbitraryChannels': True,
      'maximumViews' : 2,
      # TODO: This list is compiled from running rv with the following:
      # RV64 -formats | grep 'format "' | awk '{print $2}' | tr '[:space:]' ','; echo
      # This may differ for your platform!
      'fileTypes' : ["j2k","jpt","jp2","dpx","cin","cineon","jpeg","jpg","rla","rpf","yuv","exr","openexr","sxr","tif","tiff","sm","tex","tx","tdl","shd","targa","tga","tpic","rgbe","hdr","iff","png","z","zfile","sgi","bw","rgb","rgba","*mraysubfile*","movieproc","stdinfb","aiff","aif","aifc","wav","snd","au","mov","avi","mp4","m4v","dv"]

    }

flipbooking.register( RVFlipbook() )
nukescripts.setFlipbookDefaultOption("flipbook", "RV")