def run():
created = []
changed = []
today = str(datetime.now())
photos_dir = os.path.join(os.getcwd(), PHOTOS_DIR)
print "Taking Screenshots"
with Browser() as browser:
for url in tqdm(URLS):
browser.visit(url)
screenshot = browser.screenshot('screenshot.png')
if screenshot:
dest = os.path.join(photos_dir, _clean_filename(url))
if not os.path.exists(dest):
os.makedirs(dest)
name = os.path.join(dest, 'screenshot-{0}.png'.format(today))
created.append(name)
shutil.move(screenshot, name)
print "Calculating Differences"
for directory in tqdm(os.listdir(photos_dir)):
if os.path.isdir(os.path.join(photos_dir, directory)):
for image in created:
if directory in image:
active = image
if active:
files = os.listdir(os.path.join(photos_dir, directory))
mean, std = directory_stdev(os.path.join(photos_dir, directory))
current = _rmsdiff(os.path.join(photos_dir, directory, files[-1]), active)
if current < mean - std or current > mean + std:
changed.append((directory, current, mean, std))
if changed:
for change in changed:
print "{0} has changed by more than the average, {1} !~ {2}+/-{3}".format(*change)
else:
print "None of the websites have changed"
def directory_stdev(directory):
"""Calculates the average and standard deviation of images in a directory"""
files = os.listdir(directory)[-SAMPLES:-1]
rms = []
pairs = combinations(files, 2)
for pair in pairs:
rms.append(_rmsdiff(os.path.join(directory, pair[0]), os.path.join(directory, pair[1])))
return mean(rms), pstdev(rms)
def directory_stdev(directory):
"""Calculates the average and standard deviation of images in a directory"""
files = os.listdir(directory)[-SAMPLES:-1]
rms = []
pairs = combinations(files, 2)
for pair in pairs:
rms.append(
_rmsdiff(os.path.join(directory, pair[0]),
os.path.join(directory, pair[1])))
return mean(rms), pstdev(rms)
def run():
created = []
changed = []
today = str(datetime.now())
photos_dir = os.path.join(os.getcwd(), PHOTOS_DIR)
print "Taking Screenshots"
with Browser() as browser:
for url in tqdm(URLS):
browser.visit(url)
screenshot = browser.screenshot('screenshot.png')
if screenshot:
dest = os.path.join(photos_dir, _clean_filename(url))
if not os.path.exists(dest):
os.makedirs(dest)
name = os.path.join(dest, 'screenshot-{0}.png'.format(today))
created.append(name)
shutil.move(screenshot, name)
print "Calculating Differences"
for directory in tqdm(os.listdir(photos_dir)):
if os.path.isdir(os.path.join(photos_dir, directory)):
for image in created:
if directory in image:
active = image
if active:
files = os.listdir(os.path.join(photos_dir, directory))
mean, std = directory_stdev(os.path.join(
photos_dir, directory))
current = _rmsdiff(
os.path.join(photos_dir, directory, files[-1]), active)
if current < mean - std or current > mean + std:
changed.append((directory, current, mean, std))
if changed:
for change in changed:
print "{0} has changed by more than the average, {1} !~ {2}+/-{3}".format(
*change)
else:
print "None of the websites have changed"