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Automaton.py
215 lines (193 loc) · 6.27 KB
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Automaton.py
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import turtle
import os
import canvasvg
import cairo
import cairosvg
def saveImg():
save = str(raw_input("Would you like to save this image?(Y/N)\n"))
if save.upper() == "Y":
turtle.hideturtle()
name = str(raw_input("What would you like to name it? \n"))
nameSav = name + ".svg"
if os.path.isdir("Automaton Drawings") == False:
os.mkdir("Automaton Drawings")
os.chdir("Automaton Drawings")
ts = turtle.getscreen().getcanvas()
canvasvg.saveall(nameSav, ts)
cairosvg.svg2png(url = nameSav, write_to = name + ".png")
def drawCircles(amount):
turtle.penup()
points = []
turtle.goto(-400,0)
count = 0
while count < amount:
turtle.pendown()
turtle.circle(20)
points = points + [[turtle.xcor(),turtle.ycor()+20]]
turtle.penup()
turtle.forward(80)
count+=1
return points
def lhNext(pointOne,label):
turtle.setheading(0)
turtle.goto(pointOne[0]+20,pointOne[1]-8)
turtle.pendown()
turtle.forward(40)
turtle.penup()
drawArrows()
turtle.goto(pointOne[0]+20,pointOne[1]-20)
turtle.setheading(0)
turtle.forward(15)
turtle.write(label, font=("Arial", 6, "normal"))
def hlNext(pointOne,label):
turtle.setheading(180)
turtle.goto(pointOne[0]-20,pointOne[1]+8)
turtle.pendown()
turtle.forward(40)
turtle.penup()
drawArrows()
turtle.goto(pointOne[0]-20,pointOne[1]+8)
turtle.setheading(180)
turtle.forward(15)
turtle.write(label, font=("Arial", 6, "normal"))
def lhNotNext(pointOne, pointTwo, label, distance):
chart = [0,0,45,85,135,195,265,345]
turtle.goto(pointOne[0]+12,pointOne[1]-16)
turtle.pendown()
middle = [(pointOne[0]+pointTwo[0])/2,pointOne[1]-chart[distance]]
turtle.goto((pointOne[0]+pointTwo[0])/2,pointOne[1]-chart[distance])
turtle.setheading(turtle.towards(pointTwo[0]-12,pointTwo[1]-16))
turtle.goto(pointTwo[0]-12,pointTwo[1]-16)
turtle.penup()
drawArrows()
turtle.setheading(0)
turtle.goto(middle[0]-3,middle[1]-10)
turtle.write(label, font=("Arial", 6, "normal"))
def hlNotNext(pointOne, pointTwo, label, distance):
chart = [0,0,45,85,135,195,265,345]
turtle.goto(pointOne[0]-12,pointOne[1]+16)
turtle.pendown()
middle = [(pointOne[0]+pointTwo[0])/2,pointOne[1]+chart[distance]]
turtle.goto((pointOne[0]+pointTwo[0])/2,pointOne[1]+chart[distance])
turtle.setheading(turtle.towards(pointTwo[0]+12,pointTwo[1]+16))
turtle.goto(pointTwo[0]+12,pointTwo[1]+16)
turtle.penup()
drawArrows()
turtle.setheading(180)
turtle.goto(middle[0]-5,middle[1])
turtle.write(label, font=("Arial", 6, "normal"))
def self(pointOne,label):
turtle.goto(pointOne[0]-8,pointOne[1]-20)
turtle.setheading(270)
turtle.pendown()
turtle.forward(16)
turtle.setheading(0)
turtle.forward(16)
turtle.setheading(90)
turtle.forward(16)
turtle.penup()
drawArrows()
turtle.setheading(0)
turtle.goto(pointOne[0]-5,pointOne[1]-36)
turtle.write(label,font=("Arial", 6, "normal"))
def entrance(pointOne):
turtle.goto(pointOne[0], pointOne[1]+36)
turtle.setheading(270)
turtle.pendown()
turtle.forward(15)
turtle.penup()
drawArrows()
def final(pointOne):
turtle.setheading(0)
turtle.goto(pointOne[0],pointOne[1]-15)
turtle.pendown()
turtle.circle(15)
turtle.penup()
def drawArrows():
turtle.pendown()
turtle.right(135)
turtle.forward(5)
turtle.backward(5)
turtle.right(90)
turtle.forward(5)
turtle.penup()
def labelNodes(numberOfNodes):
i = 1
while i <= numberOfNodes:
turtle.goto((-400+80*(i-1))-5,15)
turtle.write("Q" + str(i))
i+=1
def addLine(i,j,label):
if i == j:
self([-400 + 80 * i,20],label)
elif i > j:
if j+1 == i:
hlNext([-400 + 80 * i,20],label)
else:
hlNotNext([-400 + 80 * i,20],[-400 + 80 * j,20],label,i-j)
else:
if i+1 == j:
lhNext([-400 + 80 * i,20],label)
else:
lhNotNext([-400 + 80 * i,20],[-400 + 80 * j,20],label,j-1)
def transitions(myInput):
start = myInput[1:3]
label = ""
for x in myInput[4:]:
if x == ")":
break
else:
label = label + x
end = myInput[-2:]
return [start, label, end]
def __main__():
turtle.ht()
nodes = []
while True:
numberOfNodes = int(raw_input("Number of nodes (Max = 8): "))
if numberOfNodes > 8 or numberOfNodes <= 1:
print "The amount of nodes must be a number between 2 and 8."
else:
drawCircles(numberOfNodes)
i = 1
while i <= numberOfNodes:
nodes = nodes + ["Q" + str(i)]
i+=1
break
labelNodes(numberOfNodes)
while True:
startingNode = str(raw_input("Starting node: "))
if startingNode in nodes:
entrance([-400 + 80 * nodes.index(startingNode),20])
break
else:
print "That node does not exist please choose a node between Q1 and Q" + str(numberOfNodes) + "."
while True:
endingNodes = str(raw_input("Accepting state (Enter all accepting states put a comma between them ex. Q1,Q3): "))
endingNodes = endingNodes.split(",")
valid = True
for x in endingNodes:
if x not in nodes:
valid = False
break
if valid == True:
for x in endingNodes:
final([-400 + 80 * nodes.index(x),20])
break
else:
print "One of those nodes does not exist please try again"
addT = "Jonathan"
print "Transitions(Enter one transtion then press enter. After the last transition press enter twice. Format (StartingNode,Letter)=EndingNode *No spaces*)"
while True:
addT = str(raw_input())
if addT == "":
break
else:
new = transitions(addT)
if new[0] in nodes and new[2] in nodes:
addLine(nodes.index(new[0]),nodes.index(new[2]),new[1])
else:
print "Looks like their was an error with your format. Please try again."
saveImg()
if __name__ == "__main__":
__main__()