def generate_error_response(self, filename, solved_url):
# We got an error, so we'll copy an error message image to the GCS file
# indicated to contain the result.
utils.copy_error_image(filename)
# respond to the client, indicating the URL to which the result has
# been written.
resp = {'status': 'ERROR', 'solved_url' : solved_url}
return json.dumps(resp)
def generate_error_response(self, filename, solved_url):
# We got an error, so we'll copy an error message image to the GCS file
# indicated to contain the result.
utils.copy_error_image(filename)
# respond to the client, indicating the URL to which the result has
# been written.
resp = {'status': 'ERROR', 'solved_url': solved_url}
return json.dumps(resp)
def post(self):
"""Parse and solve the given sudoku puzzle image, and write the result to a known GCS
file.
"""
image_url = self.request.get('image_url')
filename = self.request.get('filename')
image_data = None
try:
if image_url:
logging.info("image url: %s", image_url)
result = urlfetch.fetch(image_url)
if result.status_code == 200:
image_data = result.content
else:
logging.info('did not get image url...')
except:
logging.exception("issue fetching url data")
if not image_data:
logging.info("no image data")
utils.copy_error_image(filename)
return
self.parser = sudoku_image_parser.SudokuImageParser()
stringified_puzzle = ''
try:
stringified_puzzle = self.parser.parse(image_data)
logging.info("stringified puzzle: %s", stringified_puzzle)
except (IndexError, sudoku_image_parser.ImageError) as e:
logging.debug(e)
utils.copy_error_image(filename)
return
try:
image_solution = self._solved_puzzle_image(stringified_puzzle)
gcs_file = utils.create_jpg_file(filename,
image_solution.tostring())
logging.debug("url: %s%s", self.api_url, gcs_file)
return
except (sudoku_solver.ContradictionError, ValueError) as e:
logging.debug(e)
utils.copy_error_image(filename)
return
def post(self):
"""Parse and solve the given sudoku puzzle image, and write the result to a known GCS
file.
"""
image_url = self.request.get('image_url')
filename = self.request.get('filename')
image_data = None
try:
if image_url:
logging.info("image url: %s", image_url)
result = urlfetch.fetch(image_url)
if result.status_code == 200:
image_data = result.content
else:
logging.info('did not get image url...')
except:
logging.exception("issue fetching url data")
if not image_data:
logging.info("no image data")
utils.copy_error_image(filename)
return
self.parser = sudoku_image_parser.SudokuImageParser()
stringified_puzzle = ''
try:
stringified_puzzle = self.parser.parse(image_data)
logging.info("stringified puzzle: %s", stringified_puzzle)
except (IndexError, sudoku_image_parser.ImageError) as e:
logging.debug(e)
utils.copy_error_image(filename)
return
try:
image_solution = self._solved_puzzle_image(stringified_puzzle)
gcs_file = utils.create_jpg_file(filename, image_solution.tostring())
logging.debug("url: %s%s", self.api_url, gcs_file)
return
except (sudoku_solver.ContradictionError, ValueError) as e:
logging.debug(e)
utils.copy_error_image(filename)
return
