def do_compute(self):
# step 1, get prompt information from web source
print TextHelper.find_text_between_tag(self.web_source, '<!-- ', '-->')
wav_suffix = 'wav'
print "Above prompt words ask us to replace the suffix of jpg to %s" % wav_suffix
wave_img_url = WebHelper.join_url(
self.url,
TextHelper.find_text_between_tag(self.web_source, '<img src="',
'">'))
print "wave image web url is %s" % wave_img_url
ImageHelper.show_image_from_web(
WebHelper.join_url(self.url, wave_img_url), self.user,
self.password)
print "This picture prompt us: there is 25 block, we need to combine them"
# step 2, download waves
wave_url = WebHelper.change_suffix_url(wave_img_url, wav_suffix)
print "After change suffix: %s" % wave_url
local_directory = 't25'
FileHelper.mkdir(local_directory)
waves = []
for i in range(25):
store_path = FileHelper.join_path(local_directory,
WebHelper.get_url_page(wave_url))
WebHelper.download_with_auth(wave_url, store_path, self.user,
self.password)
waves.append(wave.open(store_path))
wave_url = WebHelper.url_add(wave_url)
# step 3, Create combine image from waves
img = Image.new('RGB', (300, 300), 'black')
frames = waves[0].getnframes()
print "Totally waves: %d" % len(waves)
for i in range(len(waves)):
tmp_img = Image.frombytes('RGB', (60, 60),
waves[i].readframes(frames))
current_pos = (60 * (i % 5), 60 * (i // 5))
print "Put image to position%s" % str(current_pos)
img.paste(tmp_img, current_pos)
img.show() # It shows a words 'decent'
# step 4, set prompt words
prompt_word = 'decent'
print "Get prompt words from combined picture: %s" % prompt_word
self.set_prompt(prompt_word)
# step 5, clean unused file
FileHelper.remove_folder(local_directory)
def do_compute(self):
# step 1. get information from web source
print TextHelper.find_text_between_tag(self.web_source, '<!--\n',
'\n-->')
beer_url = TextHelper.find_text_between_tag(self.web_source,
'<img src="',
'" border="0"')
beer_url = WebHelper.join_url(self.url, beer_url)
print beer_url
beer_url = WebHelper.url_add(beer_url)
beer_url = WebHelper.change_suffix_url(beer_url, 'png')
# step 2. try out this picture
beer_img = ImageHelper.create_image_from_web(beer_url, self.user,
self.password)
data = list(beer_img.getdata())
local_dir = 'img_data'
FileHelper.mkdir(local_dir)
print len(data)
count = 0
while len(data) > 0:
if self.is_int_sqrt(len(data)) and len(data) > 0:
count += 1
size = int(math.sqrt(len(data)))
print "data length = %i, sqrt value = %i" % (len(data), size)
new_img = Image.new('RGB', (size, size))
new_img.putdata(data)
new_img.save(os.path.join(local_dir, 'img_%i.png' % count))
max_value = max(data)
data = [x for x in data if x != max_value]
# step 3, Get hint from these pictures
print "check png under %s, you will find many characters!" % local_dir
prompt = 'gremlins'
print "but only characters %s are in square" % str(list(prompt))
self.set_prompt(prompt)
FileHelper.remove_folder(local_dir)