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fftcgtool/fftcg/imageloader.py
2021-08-23 16:55:41 +02:00

33 lines
886 B
Python

import io
import logging
import multiprocessing
import requests
from PIL import Image
from .utils import RESOLUTION
class ImageLoader:
@classmethod
def _load(cls, url: str) -> Image.Image:
logger = logging.getLogger(__name__)
# fetch image (retry on fail)
while True:
logger.info(f"downloading image {url}")
try:
res = requests.get(url)
image = Image.open(io.BytesIO(res.content))
# unify images
image.convert(mode="RGB")
return image.resize(RESOLUTION, Image.BICUBIC)
except requests.exceptions.RequestException:
pass
@classmethod
def load(cls, urls: list[str], num_threads: int) -> list[Image.Image]:
with multiprocessing.Pool(num_threads) as p:
return p.map(ImageLoader._load, urls)