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# Copy from: https://github.com/silentsokolov/flask-thumbnails/blob/master/flask_thumbnails/utils.py
import importlib
import os
from pathlib import Path
from typing import Union
def generate_filename(original_filename, *options):
name, ext = os.path.splitext(original_filename)
for v in options:
if v:
name += "_%s" % v
name += ext
return name
def parse_size(size):
if isinstance(size, int):
# If the size parameter is a single number, assume square aspect.
return [size, size]
if isinstance(size, (tuple, list)):
if len(size) == 1:
# If single value tuple/list is provided, exand it to two elements
return size + type(size)(size)
return size
try:
thumbnail_size = [int(x) for x in size.lower().split("x", 1)]
except ValueError:
raise ValueError( # pylint: disable=raise-missing-from
"Bad thumbnail size format. Valid format is INTxINT."
)
if len(thumbnail_size) == 1:
# If the size parameter only contains a single integer, assume square aspect.
thumbnail_size.append(thumbnail_size[0])
return thumbnail_size
def aspect_to_string(size):
if isinstance(size, str):
return size
return "x".join(map(str, size))
IMG_SUFFIX = {'.jpg', '.jpeg', '.png', '.JPG', '.JPEG', '.PNG'}
def glob_img(p: Union[Path, str], recursive: bool = False):
p = Path(p)
if p.is_file() and p.suffix in IMG_SUFFIX:
yield p
else:
if recursive:
files = Path(p).glob("**/*.*")
else:
files = Path(p).glob("*.*")
for it in files:
if it.suffix not in IMG_SUFFIX:
continue
yield it
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