def manual_review(
response_bounding_box: BoundingBox, page: Image,
circled_responses: List[ResponseCode], voter_id,
response_codes: List[ResponseCode]) -> Tuple[bool, List[ResponseCode]]:
user_verdict = None
top_margin = 50
# init response_image
responses_image = page.get_roi(response_bounding_box).add_border(
top=top_margin)
# get list of responses
response_pairs = []
if circled_responses:
for resp in circled_responses:
response_pairs.append('Q{}: {}'.format(resp.question_number,
resp.value))
# add dots in the center of each highlighted response code
cv2.circle(responses_image.raw_image,
(resp.coords.x, resp.coords.y + top_margin), 6,
(0, 0, 255), -1)
# convert to a string
response_string = ", ".join(response_pairs)
else:
response_string = 'None'
# annotate the response image
responses_question = "Responses: {}. Is this correct? (y|n|c|m|h|g|l)".format(
response_string)
# keep looping until the y or n key is pressed
while True:
# display the image and wait for a keypress
key = responses_image.show(title="manual review",
message=responses_question,
resize=False)
# if the 'y' key is pressed, user approves
if key == ord("y"):
user_verdict = True
print('{}: Correct scan!'.format(voter_id))
break
# if the 'n' key is pressed, user rejects
elif key == ord("n"):
user_verdict = False
print('{}: Incorrect scan :('.format(voter_id))
circled_responses = get_correct_responses(response_codes)
break
# if the 'c' key is pressed, user rejects, correct answer is none
elif key == ord("c"):
user_verdict = False
print('{}: Incorrect scan :('.format(voter_id))
circled_responses = get_correct_responses(response_codes, 'c')
break
# if the 'm' key is pressed, user rejects, correct answer is MAT
elif key == ord("m"):
user_verdict = False
print('{}: Incorrect scan :('.format(voter_id))
circled_responses = get_correct_responses(response_codes, 'm')
break
# if the 'h' key is pressed, user rejects, correct answer is NH
elif key == ord("h"):
user_verdict = False
print('{}: Incorrect scan :('.format(voter_id))
circled_responses = get_correct_responses(response_codes, 'h')
break
# if the 'g' key is pressed, user rejects, correct answer is GTD
elif key == ord("g"):
user_verdict = False
print('{}: Incorrect scan :('.format(voter_id))
circled_responses = get_correct_responses(response_codes, 'g')
break
# if the 'l' key is pressed, user rejects, correct answer is MAT + NH
elif key == ord("l"):
user_verdict = False
print('{}: Incorrect scan :('.format(voter_id))
circled_responses = get_correct_responses(response_codes, 'l')
break
# close window
cv2.destroyAllWindows()
# create empty list if None
if circled_responses is None:
circled_responses = []
print('correct_responses:')
print([code.value for code in circled_responses])
return user_verdict, circled_responses
