pywal/pywal/image.py
2018-01-02 11:51:00 +11:00

54 lines
1.2 KiB
Python

"""
Get the image file.
"""
import os
import random
import sys
from .settings import CACHE_DIR
from . import util
from . import wallpaper
def get_random_image(img_dir):
"""Pick a random image file from a directory."""
current_wall = wallpaper.get()
current_wall = os.path.basename(current_wall)
file_types = (".png", ".jpg", ".jpeg", ".jpe", ".gif")
images = [img for img in os.scandir(img_dir)
if img.name.lower().endswith(file_types)]
if len(images) > 2 and current_wall in images:
images.remove(current_wall)
elif not images:
print("error: No images found in directory.")
sys.exit(1)
random.shuffle(images)
return os.path.join(img_dir, images[0].name)
def get(img, cache_dir=CACHE_DIR):
"""Validate image input."""
if os.path.isfile(img):
wal_img = img
elif os.path.isdir(img):
wal_img = get_random_image(img)
else:
print("error: No valid image file found.")
sys.exit(1)
wal_img = os.path.abspath(wal_img)
# Cache the image file path.
util.save_file(wal_img, os.path.join(cache_dir, "wal"))
print("image: Using image", wal_img)
return wal_img