apply .gitignore

application/sudoku_generator.py

@@ -1,216 +0,0 @@
-from PIL import Image
-from PIL import ImageDraw
-from PIL import ImageFont
-import copy
-
-def generate_sudoku():
-	base  = 3
-	side  = base*base
-
-	# pattern for a baseline valid solution
-	def pattern(r,c): return (base*(r%base)+r//base+c)%side
-
-	# randomize rows, columns and numbers (of valid base pattern)
-	from random import sample
-	def shuffle(s): return sample(s,len(s)) 
-	rBase = range(base) 
-	rows  = [ g*base + r for g in shuffle(rBase) for r in shuffle(rBase) ] 
-	cols  = [ g*base + c for g in shuffle(rBase) for c in shuffle(rBase) ]
-	nums  = shuffle(range(1,base*base+1))
-
-	# produce board using randomized baseline pattern
-	board = [ [nums[pattern(r,c)] for c in cols] for r in rows ]
-
-	# for line in board: print(line)
-	# solution = board[:]
-	solution = copy.deepcopy(board)
-	# print(solution)
-
-
-	squares = side*side
-	# empties = squares * 3//5
-	# empties = squares * 2//10
-	empties = squares * 11//20
-	# empties = squares * diff
-	# print(squares)
-	# print(empties)
-	# print(squares * 13//20)
-	for p in sample(range(squares),empties):
-		board[p//side][p%side] = 0
-
-
-	# numSize = len(str(side))
-	# for line in board:
-	# 	print(*(f"{n or '.':{numSize}} " for n in line))
-
-
-	def expandLine(line):
-		return line[0]+line[5:9].join([line[1:5]*(base-1)]*base)+line[9:13]
-		# return line[0]+line[3:7].join([line[1:3]*(base-1)]*base)+line[3:5]
-		# return line[0]+line[3:5].join([line[1:3]*(base-1)]*base)+line[5:7]
-		# return line[0]+line[4:7].join([line[1:4]*(base-1)]*base)+line[7:10]
-	line0  = expandLine("╔═══╤═══╦═══╗")
-	line1  = expandLine("║ . │ . ║ . ║")
-	line2  = expandLine("╟───┼───╫───╢")
-	line3  = expandLine("╠═══╪═══╬═══╣")
-	line4  = expandLine("╚═══╧═══╩═══╝")
-	# line0  = expandLine("╔═╤═╦═╗")
-	# line1  = expandLine("║.│.║.║")
-	# line2  = expandLine("╟─┼─╫─╢")
-	# line3  = expandLine("╠═╪═╬═╣")
-	# line4  = expandLine("╚═╧═╩═╝")
-	# line0  = expandLine("╔═╤═╦═╗")
-	# line1  = expandLine("║.│.║.║")
-	# line2  = expandLine("╟─┼─╫─╢")
-	# line3  = expandLine("╠═╪═╬═╣")
-	# line4  = expandLine("╚═╧═╩═╝")	
-	# line0  = expandLine("╔══╤══╦══╗")
-	# line1  = expandLine("║. │. ║. ║")
-	# line2  = expandLine("╟──┼──╫──╢")
-	# line3  = expandLine("╠══╪══╬══╣")
-	# line4  = expandLine("╚══╧══╩══╝")
-
-	symbol = " 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-	nums   = [ [""]+[symbol[n] for n in row] for row in board ]
-	nums_sol   = [ [""]+[symbol[n] for n in row] for row in solution ]
-	output = []
-	output_sol = []
-	# print(line0)
-	output.append(line0)
-	output_sol.append(line0)
-	for r in range(1,side+1):
-		output.append("".join(n+s for n,s in zip(nums[r-1],line1.split("."))))
-		output.append([line2,line3,line4][(r%side==0)+(r%base==0)])
-		# print( "".join(n+s for n,s in zip(nums[r-1],line1.split("."))) )
-		# print([line2,line3,line4][(r%side==0)+(r%base==0)])
-
-	for r in range(1,side+1):
-		output_sol.append("".join(n+s for n,s in zip(nums_sol[r-1],line1.split("."))))
-		output_sol.append([line2,line3,line4][(r%side==0)+(r%base==0)])
-
-	# print('=')
-	# print(output)
-	# for x in output:
-		# print(x)
-	# print('-')
-	return [output, output_sol]
-
-
-
-def convert_to_image(sudoku, size=16, flipped=False):
-	# sample text and font
-	# unicode_text = u"Unicode Characters: \u00C6 \u00E6 \u00B2 \u00C4 \u00D1 \u220F"
-	unicode_text = sudoku[0]
-	# print(sudoku)
-	# print(len(sudoku))
-	verdana_font = ImageFont.truetype("application/IBMPlexMono-Medium.ttf", size, encoding="unic")
-
-	# get the line size
-	bx, by, text_width, text_height = verdana_font.getbbox(unicode_text)
-	# print(verdana_font.getsize(unicode_text))
-	# print(verdana_font.getbbox(unicode_text))
-	# print(verdana_font.getlength(unicode_text))
-	# print(text_height)
-
-	# create a blank canvas with extra space between lines
-	canvas = Image.new('RGB', (text_width + 10, ((text_height-2)*(len(sudoku)))), (255, 255, 255))
-	# canvas.convert('L')
-
-
-	# draw the text onto the text canvas, and use black as the text color
-	draw = ImageDraw.Draw(canvas)
-	
-	# for x in sudoku:
-	pos = 0
-	for x in sudoku:
-		unicode_text = x
-		draw.text((5,pos), unicode_text, font = verdana_font, fill = "#000000")
-		pos += (text_height-2)
-
-	# save the blank canvas to a file
-	# fn = lambda x : 255 if x > 200 else 0
-	# canvas.convert('L').point(fn, mode='1')
-	if flipped:
-		canvas = canvas.transpose(Image.ROTATE_180)
-	canvas.save("sudoku_" + str(size) +".png", "PNG")
-	# img = Image.new('RGB', (200, 100))
-	# d = ImageDraw.Draw(img)
-	# d.text((30, 20), sudoku[0], fill=(255, 0, 0))
-	# text_width, text_height = d.textsize(sudoku[0])
-	# print(text_width, text_height)
-
-if __name__ == '__main__':
-	out = generate_sudoku()
-	su = out[0]
-	su_sol = out[1]
-	# print(out)
-	for x in su:
-		print(x)
-	for y in su_sol:
-		print(y)
-	convert_to_image(su)
-	convert_to_image(su_sol, size=8, flipped=True)
-	# print(su)
-	# for x in generate_sudoku():
-		# print(x)
-
-
-# print(board)
-
-# import random
-# from itertools import islice
-# print([*islice(shortSudokuSolve(board),2)][0])
-# print([*islice(shortSudokuSolve(board),2)][1])
-# if [*islice(shortSudokuSolve(board),2)][0] == [*islice(shortSudokuSolve(board),2)][1]:
-# 	print('ay')
-# else:
-# 	print('er')
-
-
-# while True:
-# 	solved  = [*islice(shortSudokuSolve(board),2)]
-# 	# print(len(solved))
-# 	# print(solved)
-# 	if len(solved)==1:
-# 		# print('yay!')
-# 		break
-# 	diffPos = [(r,c) for r in range(9) for c in range(9)
-# 			   if solved[0][r][c] != solved[1][r][c] ] 
-# 	r,c = random.choice(diffPos)
-# 	board[r][c] = solution[r][c]
-# 	# print(board)
-# 	print(r,c)
-# 	# print(board)
-
-
-# print(board)
-# print(solution)
-# print('ysy')
-
-# def expandLine(line):
-# 	return line[0]+line[5:9].join([line[1:5]*(base-1)]*base)+line[9:13]
-# line0  = expandLine("╔═══╤═══╦═══╗")
-# line1  = expandLine("║ . │ . ║ . ║")
-# line2  = expandLine("╟───┼───╫───╢")
-# line3  = expandLine("╠═══╪═══╬═══╣")
-# line4  = expandLine("╚═══╧═══╩═══╝")
-
-# symbol = " 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-# nums   = [ [""]+[symbol[n] for n in row] for row in board ]
-# output = []
-# print(line0)
-# output.append(line0)
-# for r in range(1,side+1):
-# 	output.append("".join(n+s for n,s in zip(nums[r-1],line1.split("."))))
-# 	output.append([line2,line3,line4][(r%side==0)+(r%base==0)])
-# 	print( "".join(n+s for n,s in zip(nums[r-1],line1.split("."))) )
-# 	print([line2,line3,line4][(r%side==0)+(r%base==0)])
-
-# print('==')
-# print(output)
-# for x in output:
-# 	print(x)
-# print('--')
-
-	# return output
-