# Run RV as flipbook
#
# Based on: framecycler_this.py, ships with Nuke
#Copyright (c) 2007  The Foundry Visionmongers Ltd. All Rights Reserved.
 
import platform
import sys
import os.path
import re
import thread
import nuke
import nukescripts
 
rv_path=""
if rv_path == "":
	try:
		rv_path = os.environ["RV_PATH"]
	except:
		if platform.system() in ('Windows', 'Microsoft'):
			rv_path = "C:\\Program Files\\Tweak\\RV-3.5\\bin\\rv.exe"
		elif platform.system() in ('Darwin', 'Apple'):
			rv_path = "/Applications/RV.app/Contents/MacOS/RV"
		else:
			rv_path = "rv"
 
 
#def rv_this(node, arg = 0):
def rv_this(node,start,end,incr, views=''):
 
	global rv_path
 
	if not os.access(rv_path, os.X_OK):
		raise RuntimeError("RV cannot be executed (%s)." % (rv_path,) )
 
	filename = nuke.filename(node)
	filenameL = ''
	filenameR = ''
 
	node = nuke.selectedNode()
 
	if '%v' in filename :
		if 'left' in views:
			filenameL = filename.replace ('%v','l')
		if 'right' in views:
			filenameR = filename.replace ('%v','r')
		filename = '%s %s' % (filenameL, filenameR)
	if '%V' in filename :
		if 'left' in views:
			filenameL = filename.replace ('%V','left')
		if 'right' in views:
			filenameR = filename.replace ('%V','right')
		filename = '%s %s' % (filenameL, filenameR)
 
	if filename is None or filename == "":
		raise RuntimeError("RV cannot be executed on '%s', expected to find a filename and there was none." % (node.fullName(),) )
 
	sequence_interval = str(start)+"-"+str(end)
 
	os.path.normpath(filename)
 
 
	args = []
	rv_path = os.path.normpath(rv_path)
	padding = re.search('%[0-9]+d',filename).group()
	try:
		padding
	except:
		raise RuntimeError ('Issue with the padding...please check into it')
 
	filename = filename.replace(padding,sequence_interval + '#')
 
	if platform.system() in ('Windows', 'Microsoft'):
		args.append( "\"" + rv_path + "\"" )
		args.append( "[ " + filename + " ]" )
	else:
		args.append( rv_path )
		args.append(filename)
 
 
	#args.append(sequence_interval)
	#args.append( "-ns" ) # Nuke sequence format
 
 
	# un-comment to apply gamma to linear EXRs
	#args.append("-gamma")
	#args.append("2.2") 
 
	#args.append("-play") # play on launch
	args.append("-c") # region cache
 
	os.spawnv(os.P_NOWAITO, rv_path, args)