def create_first_task(form, images):
GROUP_COUNT = int(form.getfirst('numberOfGroups', 5))
ALPHABETS_PER_GROUP = int(form.getfirst('alphabetsPerGroup', 10))
QUESTION_COUNT = int(form.getfirst('questionsPerGroup', 1))
MAKE_DATA_URI = True
alphabet_ids = tuple(_random.sample(images.keys(), GROUP_COUNT * ALPHABETS_PER_GROUP))
TRAINING_CHARACTERS_PER_ALPHABET = int(form.getfirst('trainingCharactersPerAlphabet', 2))
groups = [{'alphabets':dict((alphabet_id, []) for alphabet_id in alphabet_ids[ALPHABETS_PER_GROUP*i:ALPHABETS_PER_GROUP*(i+1)])} for i in range(GROUP_COUNT)]
for group in groups:
asking_alphabet_id = _random.choice(list(group['alphabets'].keys()))
for alphabet_id in group['alphabets']:
uids = list(images[alphabet_id].keys())
image_numbers = list(range(len(images[alphabet_id][uids[0]])))
use_uids = _random.sample(uids, TRAINING_CHARACTERS_PER_ALPHABET)
use_image_numbers = _random.sample(image_numbers, TRAINING_CHARACTERS_PER_ALPHABET)
group['alphabets'][alphabet_id] = [images[alphabet_id][uid][image_num] for uid, image_num in zip(use_uids, use_image_numbers)]
if MAKE_DATA_URI:
group['alphabets'][alphabet_id] = [{'url':urllib.parse.urljoin(urllib.parse.urljoin(BASE_URL, os.path.relpath(BASE_PATH, FROM_PATH)), image),
'data_uri':png_to_uri(os.path.join(FROM_PATH, image))} for image in group['alphabets'][alphabet_id]]
if alphabet_id == asking_alphabet_id:
uid, image_num = None, None
question_uids = _random.sample([uid for uid in uids if uid not in use_uids], QUESTION_COUNT)
question_image_nums = _random.sample([image_num for image_num in image_numbers if image_num not in use_image_numbers], QUESTION_COUNT)
group['ask_for'] = [images[alphabet_id][uid][image_num] for uid, image_num in zip(question_uids, question_image_nums)]
if MAKE_DATA_URI:
group['ask_for'] = [{'url':urllib.parse.urljoin(urllib.parse.urljoin(BASE_URL, os.path.relpath(BASE_PATH, FROM_PATH)), image),
'data_uri':png_to_uri(os.path.join(FROM_PATH, image))} for image in group['ask_for']]
return groups
def fixup_images(form_dict, width=105, height=105):
tasks_data = turkutil.form_dict_to_tasks_dict(form_dict)['task']
image_dict = {}
for n, task in tasks_data.iteritems():
original_strokes_path = alphabets_strokes_dict[
task['completion-image-alphabet']][task['completion-image-id']][
int(task['completion-image-character-number']) - 1]
image_half = task['image-show_half']
strokes = task['strokes']
image = cairo.ImageSurface.create_from_png(alphabets_images_dict[
task['completion-image-alphabet']][task['completion-image-id']][
int(task['completion-image-character-number']) - 1])
ctx = cairo.Context(image)
# unpaint the half-image
# paint white
ctx.set_source_rgb(1.0, 1.0, 1.0)
if image_half == 'top':
ctx.rectangle(0, height / 2, width, height)
elif image_half == 'bottom':
ctx.rectangle(0, 0, width, height / 2)
elif image_half == 'left':
ctx.rectangle(width / 2, 0, width, height)
elif image_half == 'right':
ctx.rectangle(0, 0, width / 2, height)
ctx.fill()
# and clip
if image_half == 'top':
ctx.rectangle(0, height / 2 - 2.5, width, height)
elif image_half == 'bottom':
ctx.rectangle(0, 0, width, height / 2 + 2.5)
elif image_half == 'left':
ctx.rectangle(width / 2 - 2.5, 0, width, height)
elif image_half == 'right':
ctx.rectangle(0, 0, width / 2 + 2.5, height)
ctx.clip()
image, ctx = htmlcanvas.paint_image_with_strokes_cairo(strokes,
size=(width,
height),
offset=0,
image=image,
ctx=ctx,
clear=False)
with tempfile.NamedTemporaryFile(suffix='.png', delete=False) as f:
image.write_to_png(f)
image_dict['task-%s-image' % int(n)] = f.name
compress_images(image_list=image_dict.values(), do_color_change=False)
for key, path in image_dict.iteritems():
form_dict[key] = png_to_uri(path)
os.remove(path)
return form_dict
def fixup_images(form_dict, width=105, height=105):
tasks_data = turkutil.form_dict_to_tasks_dict(form_dict)['task']
image_dict = {}
for n, task in tasks_data.iteritems():
original_strokes_path = alphabets_strokes_dict[task['completion-image-alphabet']][task['completion-image-id']][int(task['completion-image-character-number']) - 1]
image_half = task['image-show_half']
strokes = task['strokes']
image = cairo.ImageSurface.create_from_png(alphabets_images_dict[task['completion-image-alphabet']][task['completion-image-id']][int(task['completion-image-character-number']) - 1])
ctx = cairo.Context(image)
# unpaint the half-image
# paint white
ctx.set_source_rgb(1.0, 1.0, 1.0)
if image_half == 'top':
ctx.rectangle(0, height / 2, width, height)
elif image_half == 'bottom':
ctx.rectangle(0, 0, width, height / 2)
elif image_half == 'left':
ctx.rectangle(width / 2, 0, width, height)
elif image_half == 'right':
ctx.rectangle(0, 0, width / 2, height)
ctx.fill()
# and clip
if image_half == 'top':
ctx.rectangle(0, height / 2 - 2.5, width, height)
elif image_half == 'bottom':
ctx.rectangle(0, 0, width, height / 2 + 2.5)
elif image_half == 'left':
ctx.rectangle(width / 2 - 2.5, 0, width, height)
elif image_half == 'right':
ctx.rectangle(0, 0, width / 2 + 2.5, height)
ctx.clip()
image, ctx = htmlcanvas.paint_image_with_strokes_cairo(strokes, size=(width,height), offset=0, image=image, ctx=ctx, clear=False)
with tempfile.NamedTemporaryFile(suffix='.png', delete=False) as f:
image.write_to_png(f)
image_dict['task-%s-image' % int(n)] = f.name
compress_images(image_list=image_dict.values(), do_color_change=False)
for key, path in image_dict.iteritems():
form_dict[key] = png_to_uri(path)
os.remove(path)
return form_dict
def anonymize_image(image_path, from_path=BASE_PATH, from_url=BASE_URL, desired_base_path=BASE_PATH, include_data_uri=False, include_hash=True, include_original=True, **kwargs):
name = os.path.split(image_path)[-1]
image_path = os.path.relpath(os.path.join(from_path, image_path), desired_base_path)
alphabet, number, uid = _image_reg.match(name).groups()
first, second, third, fourth = (alphabet + 'a')[:4]
uid_first, uid_second, uid_third, uid_fourth, uid_rest = uid[:2], uid[2:4], uid[4:6], uid[6:8], uid[8:]
## print('RewriteRule ^results/accepted-images/(..)%(first)s(..)%(second)s(..)%(third)s([0-9][0-9])([^\.]+)\.png /~jgross/alphabets/results/accepted-images/%(alphabet)s/%(alphabet)s_$4_$1$2$3$5.png' % locals())
rtn = {
'anonymous url':urllib.parse.urljoin(ACCEPTED_IMAGES_URL, '%(uid_first)s%(first)s%(uid_second)s%(second)s%(uid_third)s%(third)s%(uid_fourth)s%(fourth)s%(number)s%(uid_rest)s.png' % locals())
}
if include_data_uri:
rtn['data uri'] = png_to_uri(os.path.join(from_path, image_path))
if include_hash:
rtn['hash'] = hash(name)
if include_original:
rtn['original url'] = urllib.parse.urljoin(from_url, image_path)
return rtn
def fixup_images(form_dict, width=100, height=100, offset=None):
tasks_data = turkutil.form_dict_to_tasks_dict(form_dict)['task']
image_dict = {}
for n, task in tasks_data.iteritems():
strokes = task['strokes']
image, ctx = htmlcanvas.paint_image_with_strokes_cairo(strokes, size=(width,height), offset=offset)
with tempfile.NamedTemporaryFile(suffix='.png', delete=False) as f:
image.write_to_png(f)
image_dict['task-%s-image' % int(n)] = f.name
compress_images(image_list=image_dict.values(), do_color_change=False)
for key, path in image_dict.iteritems():
form_dict[key] = png_to_uri(path)
os.remove(path)
return form_dict
def fixup_images(form_dict, width=100, height=100, offset=None):
tasks_data = turkutil.form_dict_to_tasks_dict(form_dict)["task"]
image_dict = {}
for n, task in tasks_data.iteritems():
strokes = task["strokes"]
image, ctx = htmlcanvas.paint_image_with_strokes_cairo(strokes, size=(width, height), offset=offset)
with tempfile.NamedTemporaryFile(suffix=".png", delete=False) as f:
image.write_to_png(f)
image_dict["task-%s-image" % int(n)] = f.name
compress_images(image_list=image_dict.values(), do_color_change=False)
for key, path in image_dict.iteritems():
form_dict[key] = png_to_uri(path)
os.remove(path)
return form_dict
def print_image(image_path, image_url):
if use_uri:
print_method('<img src="' + png_to_uri(image_path) + '" height=100px />')
else:
print_method('<img src="' + image_url + '" height=100px />')
def create_first_task(form, images):
GROUP_COUNT = int(form.getfirst('numberOfGroups', 5))
ALPHABETS_PER_GROUP = int(form.getfirst('alphabetsPerGroup', 10))
QUESTION_COUNT = int(form.getfirst('questionsPerGroup', 1))
MAKE_DATA_URI = True
alphabet_ids = tuple(
_random.sample(images.keys(), GROUP_COUNT * ALPHABETS_PER_GROUP))
TRAINING_CHARACTERS_PER_ALPHABET = int(
form.getfirst('trainingCharactersPerAlphabet', 2))
groups = [{
'alphabets':
dict((alphabet_id, [])
for alphabet_id in alphabet_ids[ALPHABETS_PER_GROUP *
i:ALPHABETS_PER_GROUP * (i + 1)])
} for i in range(GROUP_COUNT)]
for group in groups:
asking_alphabet_id = _random.choice(list(group['alphabets'].keys()))
for alphabet_id in group['alphabets']:
uids = list(images[alphabet_id].keys())
image_numbers = list(range(len(images[alphabet_id][uids[0]])))
use_uids = _random.sample(uids, TRAINING_CHARACTERS_PER_ALPHABET)
use_image_numbers = _random.sample(
image_numbers, TRAINING_CHARACTERS_PER_ALPHABET)
group['alphabets'][alphabet_id] = [
images[alphabet_id][uid][image_num]
for uid, image_num in zip(use_uids, use_image_numbers)
]
if MAKE_DATA_URI:
group['alphabets'][alphabet_id] = [{
'url':
urllib.parse.urljoin(
urllib.parse.urljoin(
BASE_URL, os.path.relpath(BASE_PATH, FROM_PATH)),
image),
'data_uri':
png_to_uri(os.path.join(FROM_PATH, image))
} for image in group['alphabets'][alphabet_id]]
if alphabet_id == asking_alphabet_id:
uid, image_num = None, None
question_uids = _random.sample(
[uid for uid in uids if uid not in use_uids],
QUESTION_COUNT)
question_image_nums = _random.sample([
image_num for image_num in image_numbers
if image_num not in use_image_numbers
], QUESTION_COUNT)
group['ask_for'] = [
images[alphabet_id][uid][image_num] for uid, image_num in
zip(question_uids, question_image_nums)
]
if MAKE_DATA_URI:
group['ask_for'] = [{
'url':
urllib.parse.urljoin(
urllib.parse.urljoin(
BASE_URL,
os.path.relpath(BASE_PATH, FROM_PATH)), image),
'data_uri':
png_to_uri(os.path.join(FROM_PATH, image))
} for image in group['ask_for']]
return groups
def print_image(image_path, image_url):
if use_uri:
print_method('<img src="' + png_to_uri(image_path) +
'" height=100px />')
else:
print_method('<img src="' + image_url + '" height=100px />')