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"""
Get the image file.
"""
import logging
import os
import random
import re
import sys
from .settings import CACHE_DIR
from . import util
from . import wallpaper
def get_image_dir(img_dir):
"""Get all images in a directory."""
current_wall = wallpaper.get()
current_wall = os.path.basename(current_wall)
file_types = (".png", ".jpg", ".jpeg", ".jpe", ".gif")
return [img.name for img in os.scandir(img_dir)
if img.name.lower().endswith(file_types)], current_wall
def get_random_image(img_dir):
"""Pick a random image file from a directory."""
images, current_wall = get_image_dir(img_dir)
if len(images) > 2 and current_wall in images:
images.remove(current_wall)
elif not images:
logging.error("No images found in directory.")
sys.exit(1)
random.shuffle(images)
return os.path.join(img_dir, images[0])
def get_next_image(img_dir):
"""Get the next image in a dir."""
images, current_wall = get_image_dir(img_dir)
images.sort(key=lambda img: [int(x) if x.isdigit() else x
for x in re.split('([0-9]+)', img)])
try:
next_index = images.index(current_wall) + 1
except ValueError:
next_index = 0
try:
image = images[next_index]
except IndexError:
image = images[0]
return os.path.join(img_dir, image)
def get(img, cache_dir=CACHE_DIR, iterative=False):
"""Validate image input."""
if os.path.isfile(img):
wal_img = img
elif os.path.isdir(img):
if iterative:
wal_img = get_next_image(img)
else:
wal_img = get_random_image(img)
else:
logging.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"))
logging.info("Using image \033[1;37m%s\033[0m.", os.path.basename(wal_img))
return wal_img
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