general: Use sys.exit everywhere.

pywal/__main__.py

@@ -73,16 +73,16 @@ def process_args(args):
     if not len(sys.argv) > 1:
         print("error: wal needs to be given arguments to run.\n"
               "       Refer to \"wal -h\" for more info.")
-        exit(1)
+        sys.exit(1)
 
     if args.i and args.f:
         print("error: Conflicting arguments -i and -f.\n"
               "       Refer to \"wal -h\" for more info.")
-        exit(1)
+        sys.exit(1)
 
     if args.v:
         print(f"wal {__version__}")
-        exit(0)
+        sys.exit(0)
 
     if args.q:
         sys.stdout = sys.stderr = open(os.devnull, "w")
@@ -125,10 +125,6 @@ def main():
     args = get_args(sys.argv[1:])
     process_args(args)
 
-    # This saves 10ms.
-    # pylint: disable=W0212
-    # os._exit(0)
-
 
 if __name__ == "__main__":
     main()

pywal/colors.py

@@ -4,6 +4,7 @@ Generate a colorscheme using imagemagick.
 import re
 import shutil
 import subprocess
+import sys
 
 from .settings import CACHE_DIR, COLOR_COUNT
 from . import util
@@ -25,7 +26,7 @@ def gen_colors(img, color_count):
     if not shutil.which("convert"):
         print("error: imagemagick not found, exiting...\n"
               "error: wal requires imagemagick to function.")
-        exit(1)
+        sys.exit(1)
 
     raw_colors = imagemagick(color_count, img)
 
@@ -41,7 +42,7 @@ def gen_colors(img, color_count):
         if index > 20:
             print("colors: Imagemagick couldn't generate a suitable scheme",
                   "for the image. Exiting...")
-            quit(1)
+            sys.exit(1)
 
     # Remove the first element because it isn't a color code.
     del raw_colors[0]

pywal/image.py

@@ -4,6 +4,7 @@ Get the image file.
 import os
 import pathlib
 import random
+import sys
 
 from .settings import CACHE_DIR
 from . import util
@@ -21,7 +22,7 @@ def get_random_image(img_dir):
 
     if not images:
         print("image: No new images found (nothing to do), exiting...")
-        quit(1)
+        sys.exit(1)
 
     return str(img_dir / random.choice(images).name)
 
@@ -38,7 +39,7 @@ def get(img, cache_dir=CACHE_DIR):
 
     else:
         print("error: No valid image file found.")
-        exit(1)
+        sys.exit(1)
 
     # Cache the image file path.
     util.save_file(wal_img, cache_dir / "wal")

pywal/reload.py

@@ -4,6 +4,7 @@ Reload programs.
 import re
 import shutil
 import subprocess
+import sys
 
 from .settings import CACHE_DIR, HOME, MODULE_DIR
 from . import util
@@ -71,4 +72,4 @@ def colors(vte, cache_dir=CACHE_DIR):
 
         print(sequences, end="")
 
-    exit(0)
+    sys.exit(0)