A paint application using Python Turtle

Paint_turtle.py

import turtle
turtle.tracer(False)
turtle.hideturtle()

"""
Paint Application using Python Turtle
by t-wy
"""

def save():
    turtle.getscreen().getcanvas().postscript(colormode='color', file="drawing.eps")
    
def draw(x, y):
    t.ondrag(None)
    t.down()
    t.goto(x, y)
    t.up()
    turtle.update()
    t.ondrag(draw)

def move(x, y):
    turtle.onscreenclick(None)
    t.goto(x, y)
    turtle.onscreenclick(move)
    turtle.update()

t = turtle.Turtle()
t.shape("square")
t.fillcolor("")
t.up()

# dirty hack to hide the border completely
drawturtle_backup = t._drawturtle
def _drawturtle(*args, **kwargs):
    bkup = t._pencolor
    t._pencolor = ""
    drawturtle_backup(*args, **kwargs)
    t._pencolor = bkup
t._drawturtle = _drawturtle

t.turtlesize(1000000, 1000000)
ts = turtle.getscreen()
t.ondrag(draw)
turtle.onscreenclick(move)
turtle.update()
turtle.onkeypress(save, "space") # Press Space to Save
turtle.listen()

turtle.done()