#!/usr/bin/env python
"""Go image recognition."""
import sys
import os
import argparse
import pickle
try:
from PIL import Image, ImageDraw
except ImportError, msg:
print >> sys.stderr, msg
sys.exit(1)
import linef
import intrsc
import gridf_new as gridf
import output
def argument_parser():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('files', metavar='file', nargs='+',
help="image to analyse")
parser.add_argument('-w', type=int, default=640,
help="scale image to the specified width before analysis")
parser.add_argument('-m', '--manual', dest='manual_mode',
action='store_true',
help="manual grid selection")
parser.add_argument('-d', '--debug', dest='show_all',
action='store_true',
help="show every step of the computation")
parser.add_argument('-s', '--save', dest='saving', action='store_true',
help="save images instead of displaying them")
parser.add_argument('-c', '--cache', dest='l_cache', action='store_true',
help="use cached lines")
parser.add_argument('-S', '--sgf', dest='sgf_output', action='store_true',
help="output in SGF")
parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
help="report progress")
return parser
# TODO factor this into smaller functions
[docs]def main():
"""Main function of the program."""
parser = argument_parser()
args = parser.parse_args()
show_all = args.show_all
verbose = args.verbose
try:
image = Image.open(args.files[0])
except IOError, msg:
print >> sys.stderr, msg
return 1
if image.mode == 'P':
image = image.convert('RGB')
if image.size[0] > args.w:
image = image.resize((args.w, int((float(args.w)/image.size[0]) *
image.size[1])), Image.ANTIALIAS)
if not show_all:
def nothing(a, b):
pass
do_something = nothing
elif args.saving:
do_something = Imsave("saved/" + args.files[0][:-4] + "_" +
str(image.size[0]) + "/").save
else:
import im_debug
do_something = im_debug.show
if verbose:
import time
class Logger:
def __init__(self):
self.t = 0
def __call__(self, m):
t_n = time.time()
if self.t > 0:
print >> sys.stderr, "\t" + str(t_n - self.t)
print >> sys.stderr, m
self.t = t_n
logger = Logger()
else:
def logger(m):
pass
if args.manual_mode:
import manual
try:
lines = manual.find_lines(image)
except manual.UserQuitError:
#TODO ask user to try again
return 1
else:
if args.l_cache:
filename = ("saved/cache/" + args.files[0][:-4] + "_" +
str(image.size[0]))
cache_dir = "/".join(filename.split('/')[:-1])
if os.path.exists(filename):
lines, l1, l2, bounds, hough = pickle.load(open(filename))
print >> sys.stderr, "using cached results"
else:
lines, l1, l2, bounds, hough = linef.find_lines(image, do_something, logger)
if not os.path.isdir(cache_dir):
os.makedirs(cache_dir)
d_file = open(filename, 'wb')
pickle.dump((lines, l1, l2, bounds, hough), d_file)
d_file.close()
else:
lines, l1, l2, bounds, hough = linef.find_lines(image, do_something, logger)
#d_file = open('lines09.pickle', 'wb')
#pickle.dump(lines, d_file)
#d_file.close() #TODO delete this
grid, lines = gridf.find(lines, image.size, l1, l2, bounds, hough,
show_all, do_something, logger)
if show_all:
im_g = image.copy()
draw = ImageDraw.Draw(im_g)
for l in grid[0] + grid[1]:
draw.line(l, fill=(64, 255, 64), width=1)
do_something(im_g, "grid", name="grid")
intersections = intrsc.b_intersects(image, lines, show_all, do_something, logger)
board = intrsc.board(image, intersections, show_all, do_something, logger)
logger("finished")
# TODO! refactor this mess:
if len(args.files) == 1:
if args.sgf_output:
print board.asSGFsetPos()
else:
print board
else:
game = output.Game(19, board) #TODO size parameter
for f in args.files[1:]:
try:
image = Image.open(f)
except IOError, msg:
print >> sys.stderr, msg
continue
if verbose:
print >> sys.stderr, "Opening", f
if image.mode == 'P':
image = image.convert('RGB')
if image.size[0] > args.w:
image = image.resize((args.w, int((float(args.w)/image.size[0]) *
image.size[1])), Image.ANTIALIAS)
board = intrsc.board(image, intersections, show_all, do_something, logger)
if args.sgf_output:
game.addMove(board)
else:
print board
if args.sgf_output:
print game.asSGF()
return 0
class Imsave():
def __init__(self, saving_dir):
self.saving_dir = saving_dir
self.saving_num = 0
def save(self, image, title='', name=None):
im_format = ('.png', 'PNG')
if name:
filename = self.saving_dir + name + im_format[0]
else:
filename = self.saving_dir + "{0:0>3}".format(self.saving_num) + im_format[0]
self.saving_num += 1
if not os.path.isdir(self.saving_dir):
os.makedirs(self.saving_dir)
image.save(filename, im_format[1])
if __name__ == '__main__':
try:
sys.exit(main())
except KeyboardInterrupt: #TODO does this work?
print >> sys.stderr, "Interrupted."
sys.exit(1)