A simple svg writer in python for paths

svg_path_writer.py

# A simple svg writer for paths
#
# This example is in the public domain
#
# 2021-02-06 Sat
# Dov Grobgeld <dov.grobgeld@gmail.com>

def moveto(x,y): return f'M {x},{y}'
def lineto(x,y): return f'L {x},{y}'
def closepath(): return 'Z'
def polygon(Points):
  return (moveto(*Points[0])
          + ' ' + ' '.join([lineto(*p) for p in Points[1:]])
          + ' ' + closepath())

def save_svg(filename, path, style='stroke:red;fill:none'):
  with open(filename,'w') as fh:
    fh.write(
      '<?xml version="1.0" encoding="UTF-8"?>\n'
      '<svg xmlns="http://www.w3.org/2000/svg"\n'
      '     xmlns:xlink="http://www.w3.org/1999/xlink"\n'
      '     width="100" height="100" viewBox="0 0 100 100" version="1.1">\n'
      f'  <path style="{style}" d="{path}"/>\n'
      '</svg>\n'
      )
      
# A square
path = ((0,0),
       (100,0),
       (100,100),
       (0,100))
save_svg('path_square.svg',DPolygon(path))