Convert pvr file to png using TexturePacker.

pvr2png.py

#!/usr/local/bin/python3
import sys
import os
from glob import glob
from subprocess import call

def log(msg):
    print('[PVR2PNG] ' + msg)

root = sys.argv[1]
log('Start: ' + root)

files = glob(root + '/**/*.pvr', recursive=True)
files.extend(glob(root + '/**/*.pvr.ccz', recursive=True))
files.extend(glob(root + '/**/*.pvr.gz', recursive=True))

for file in files:
    log('Convert ' + file + '...')
    filebase = file[:str.rfind(file, '.pvr')]
    call(['TexturePacker', file,
        '--sheet', filebase + '.png',
        '--data', filebase + '.plist',
        '--algorithm', 'Basic',
        '--allow-free-size',
        '--no-trim'])
log('Done')

Problems and Fixes for TexturePacker Lite Version

Problem/ Warnings
Those warnings result in PNG files with the Logo of TexturePacker.

TexturePacker:: warning: You are using TexturePacker in Essential (lite) mode.
TexturePacker:: warning:
TexturePacker:: warning: You are using some advanced features which will cause some sprites to
TexturePacker:: warning: be colored red in the sprite sheet.
TexturePacker:: warning:
TexturePacker:: warning: List of advanced features you are using:
TexturePacker:: warning:     - Extrude
TexturePacker:: warning:     - PngOptimization level not 0
TexturePacker:: warning:     - Detect identical sprites

Solution
Using following python code for the call.

call(['./TexturePacker.exe', file,
      '--sheet', filebase + '.png',
      '--data', filebase + '.plist',
      '--algorithm', 'Basic',
      '--allow-free-size',
      '--no-trim',
      '--extrude', '0',
      '--png-opt-level', '0',
      '--disable-auto-alias'])