Nuke - Create a read node from an image sequence

create_image_sequence_read_node.py

import os
import nuke

def get_padding(seqNumbers):
	'''
	Get correct number of padding for image sequence
	'''
	size = len(seqNumbers)

	padding = ''
	for ii in range(size):
		padding += '#'

	return padding


def create_image_sequence_path_with_padding(imageSequenceFolder):
	'''
	Create a nuke image sequence path with proper padding count
	'''
	files = os.listdir(imageSequenceFolder)
	## Result: ['shot001_plate_v001.1001.jpeg', 'shot001_plate_v001.1002.jpeg', ....]

	if len(files) != 0:
		seqNumbers = files[0].split('.')[-2]
		## Result: 1001

		padding = self.get_padding(seqNumbers)
		## Result: ####

		fileSeq = files[0].replace(seqNumbers, padding)
		## Result: shot001_plate_v001.####.jpeg

		imageSequencePath = os.path.join(imageSequenceFolder, fileSeq)
		## Result: /this/random/path/seq001/shot001/comp/shot001_plate_v001.####.jpeg

		return imageSequencePath


def createImageSequenceReadNode(imageSequencePath):
	imageSequenceFolder = os.path.split(imageSequencePath)[0]
	## Result: /this/random/path/seq001/shot001/comp/

	files = sorted(os.listdir(imageSequenceFolder))
	## Result: ['shot001_plate_v001.1001.jpeg', 'shot001_plate_v001.1002.jpeg', ...., 'shot001_plate_v001.1250.jpeg']

	firstFrame = int(files[0].split('.')[-2])
	## Result: 1001

	lastFrame = int(files[-1].split('.')[-2])
	## Result: 1250

	readNode = nuke.createNode('Read')
	readNode['file'].setValue(imageSequencePath)
	readNode['first'].setValue(firstFrame)
	readNode['last'].setValue(lastFrame)
	readNode['origfirst'].setValue(firstFrame)
	readNode['origlast'].setValue(lastFrame)


def main():