def copy_scaled(self, src, uri):
"""
Rotate and scale image.
Copy the processed image to scaled dest directory
- src can be either a string or a file-like object
"""
dest = os.path.join(self.abs_scaled_dest_dir, uri)
if os.path.exists(dest):
# dest already exists: failed silently
return False
loc = seek(src, 0)
im = Image.open(src)
try:
orientation = get_exif(im._getexif())['Orientation']
except:
orientation = 0
dirpath = os.path.dirname(dest)
if not os.path.exists(dirpath):
os.makedirs(dirpath, 0755)
# auto rotate if needed
if orientation == 6:
im=im.rotate(270)
if orientation == 8:
im=im.rotate(90)
width_src, height_src = im.size
if width_src <= self.dimension and height_src <= self.dimension:
log.info("Scale won't be processed: photo is to small.")
else:
if width_src > height_src:
height_dest = self.dimension * height_src / width_src
width_dest = self.dimension
else:
width_dest = self.dimension * width_src / height_src
height_dest = self.dimension
# Si on redimmensionne selon une taille paire, on force la
# largeur et hauteur finales de l'image a etre egalement
# paires.
if self.dimension % 2 == 0:
height_dest = height_dest - height_dest % 2
width_dest = width_dest - width_dest % 2
im=im.resize((width_dest, height_dest), Image.ANTIALIAS)
log.info("Processed: %s" % dest)
# save processed image
im.save(dest, quality=self.quality)
if loc is not None: seek(src, loc)
def get_info(img, info=None):
"""
Get infos about the given image
"""
if info is None: info = {}
loc = seek(img, 0)
im = Image.open(img)
if 'date' not in info:
try:
exif = get_exif(im._getexif())
info['date'] = datetime.strptime(
exif['DateTimeOriginal'], '%Y:%m:%d %H:%M:%S')
except:
info['date'] = None
if 'md5sum' not in info:
info['md5sum'] = img_md5(im)
if 'ext' not in info:
info['ext'] = im.format.lower()
if 'size' not in info:
info['size'] = get_size(img)
if loc is not None: seek(img, loc)
return info
def copy_orig(self, src, uri):
"""
Copy the original image to orig dest directory
- src can be either a string or a file-like object
"""
dest = os.path.join(self.abs_orig_dest_dir, uri)
if os.path.exists(dest):
# dest already exists: failed silently
return False
dirpath = os.path.dirname(dest)
if not os.path.exists(dirpath):
os.makedirs(dirpath, 0755)
if isinstance(src, (StringType, UnicodeType)):
shutil.copyfile(src, dest)
else:
with open(dest, 'wb') as f:
loc = seek(src, 0)
shutil.copyfileobj(src, f)
src.seek(loc)
log.info("Copied: %s" % dest)
