Batch Convert PNG to SVG (Use Python 2.7 to run)

pngtosvg.py

import os

def main():
    startSvgTag = """<?xml version="1.0" encoding="UTF-8" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
    "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
    <svg version="1.1"
    xmlns="http://www.w3.org/2000/svg"
    xmlns:xlink="http://www.w3.org/1999/xlink"
    width="240px" height="240px" viewBox="0 0 240 240">"""

    endSvgTag = """</svg>"""
    for files in os.listdir("."):
        if files.endswith(".png"):
          pngFile = open(files, 'rb')
          base64data = pngFile.read().encode("base64").replace('\n','')
          base64String = '<image xlink:href="data:image/png;base64,{0}" width="240" height="240" x="0" y="0" />'.format(base64data)

          f = open(os.path.splitext(files)[0]+".svg","w")
          f.write( startSvgTag + base64String + endSvgTag)
          print("Converted " + files + " to " + os.path.splitext(files)[0]+".svg")
            
if __name__ == "__main__":
    main()