def scaled_image(height, filename):
filename = clean_url_path(filename)
if filename not in all_images():
abort(404, "image not found")
if height not in HEIGHTS:
abort(404, "No scaled image of that height available.")
outfile = os.path.splitext(filename)[0] + ".thumbnail.%d.jpg" % height
if os.path.isfile(os.path.join(THUMBS_DIR, outfile)):
return static_file(outfile, root=THUMBS_DIR)
try:
with Image.open(os.path.join(IMAGE_FOLDER, filename)) as im:
size = (height*2, height)
exif = im._getexif()
if exif != None:
for tag, value in exif.items():
decoded = ExifTags.TAGS.get(tag, tag)
if decoded == 'Orientation':
if value == 3: im = im.rotate(180, expand=True)
if value == 6: im = im.rotate(270, expand=True)
if value == 8: im = im.rotate(90, expand=True)
break
im.thumbnail(size, Image.ANTIALIAS)
mkdir_p(os.path.split(os.path.join(THUMBS_DIR, outfile))[0])
im.save(os.path.join(THUMBS_DIR, outfile), "JPEG", quality=JPEG_QUALITY)
except (IOError, NameError):
abort(500, "cannot create thumbnail for '%s'" % filename)
return static_file(outfile, root=THUMBS_DIR)
def full_size_image(filename):
filename = clean_url_path(filename)
dl = bool(request.query.get('dl', False))
if dl:
return static_file(filename, root=IMAGE_FOLDER, download=os.path.split(filename)[1])
else:
return static_file(filename, root=IMAGE_FOLDER)
def static(path):
return static_file(path, root=STATIC_PATH)
