for number in range(1,82):#substitution to all '' to start.

dictionary[str(number)]=''

dictionary['error']=''

dictionary['quantity']=''

def solve_(self, solve, subs):

#Class method used to handle all solve requests.

if solve:

sudoku=[]

for number in Sudoku.boxes:#Uses the box list from Sudoku module to

n=self.request.get(str(number+1))#create an accurate conversion from html table to the solver function.

if n not in ['1','2','3','4','5','6','7','8','9','']:

subs['error']="Invalid sudoku"#Checks sudoku

return

if n:

sudoku.append(int(n))

else:

sudoku.append('')

try:

result=Sudoku.solver(sudoku)

except ValueError:#This is a more complex check to see if a puzzle was

subs['error']="Invalid sudoku"#not solvable even though it was

return#not immediately apparent.

if result=="Invalid sudoku":

subs['error']="Invalid sudoku"

return

for number in range(0,81):#And this reconverts the sudoku back to it's original format

subs[str(number+1)]=result[Sudoku.boxes[number]]#from the python list and assigns appropriate values to mapping dict.

def generate_(self, generate, subs):

if generate:#Handles all generate request.

quantity=self.request.get("quantity")

if not quantity.isdigit() or quantity<0:#Makes sure valid quantity is entered.

subs["q_error"]="Invalid quantity"

return

response=Sudoku.generate(quantity)

for number in range(0,81):#Converts from python list to table format.

subs[str(number+1)]=response[Sudoku.boxes[number]]

def get(self):

table=open("table.html").read()#The source for the html.

subs={}

mapping(subs)

self.response.write(table%subs)

def post(self):

table=open("table.html").read()

subs={}

mapping(subs)

solve=self.request.get("solve")

generate=self.request.get("generate")

MainHandler.solve_(self, solve, subs)

MainHandler.generate_(self, generate, subs)