def is_ok_for_wallpaper(image_url):
"""Decide whether an image_url is appropriate as a wallpaper.
An image_url is good if (1) it's resolution is large enough,
(2) rotation is landscape, and (3) ratio is OK.
"""
minimum_pixels = cfg.SIZE_THRESHOLD[0] * cfg.SIZE_THRESHOLD[1] * \
((100.0 - cfg.SIZE_TOLERANCE_PERCENTAGE)/100.0)
file_name = web.get_file_name(image_url)
file_path = cfg.PHOTO_DIR + file_name
try:
img = Image.open(file_path)
except IOError:
print("# warning: I/O error with {0}".format(file_name))
return False
# else, if the image could be opened
width, height = img.size
large = (width * height) >= minimum_pixels
landscape = width > height
ratio = float(width) / float(height)
ratio_ok = (cfg.RATIO_INTERVAL[0] <= ratio <= cfg.RATIO_INTERVAL[1])
ok_for_wallpaper = (large and landscape and ratio_ok)
return ok_for_wallpaper
def is_ok_for_wallpaper(image_url):
"""Decide whether an image_url is appropriate as a wallpaper.
An image_url is good if (1) it's resolution is large enough,
(2) rotation is landscape, and (3) ratio is OK.
"""
minimum_pixels = cfg.SIZE_THRESHOLD[0] * cfg.SIZE_THRESHOLD[1] * \
((100.0 - cfg.SIZE_TOLERANCE_PERCENTAGE)/100.0)
file_name = web.get_file_name(image_url)
file_path = cfg.PHOTO_DIR + file_name
try:
img = Image.open(file_path)
except IOError:
print("# warning: I/O error with {0}".format(file_name))
return False
# else, if the image could be opened
width, height = img.size
large = (width * height) >= minimum_pixels
landscape = width > height
ratio = float(width) / float(height)
ratio_ok = (cfg.RATIO_INTERVAL[0] <= ratio <= cfg.RATIO_INTERVAL[1])
ok_for_wallpaper = (large and landscape and ratio_ok)
return ok_for_wallpaper
def delete_bad_images(bad_image_urls):
"""Delete images from the file system that are not suitable for wallpapers."""
for url in bad_image_urls:
try:
os.remove(cfg.PHOTO_DIR + web.get_file_name(url))
except Exception as e:
print("Error while removing: {0}, E: {1}".format(url, e))
print("# removed image(s): {0}".format(len(bad_image_urls)))
def resize_large_images(image_urls):
"""Resize wallpaper images that are too large."""
global cnt_resized_images
for image_url in image_urls:
file_name = web.get_file_name(image_url)
file_path = cfg.PHOTO_DIR + file_name
img = Image.open(file_path)
width = img.size[0]
if width > cfg.MAX_WIDTH:
resize.resize_to_screen_width(file_path)
cnt_resized_images += 1
def resize_large_images(image_urls):
"""Resize wallpaper images that are too large."""
global cnt_resized_images
for image_url in image_urls:
file_name = web.get_file_name(image_url)
file_path = cfg.PHOTO_DIR + file_name
img = Image.open(file_path)
width = img.size[0]
if width > cfg.MAX_WIDTH:
resize.resize_to_screen_width(file_path)
cnt_resized_images += 1
def delete_bad_images(bad_image_urls):
"""Delete images from the file system that are not suitable for wallpapers."""
for url in bad_image_urls:
os.remove(cfg.PHOTO_DIR + web.get_file_name(url))
print("# removed image(s): {0}".format(len(bad_image_urls)))
def delete_bad_images(bad_image_urls):
"""Delete images from the file system that are not suitable for wallpapers."""
for url in bad_image_urls:
os.remove(cfg.PHOTO_DIR + web.get_file_name(url))
print("# removed image(s): {0}".format(len(bad_image_urls)))
