Cleanup for stow ---STOW

[dotfiles/.git] / .local / lib / python3.9 / site-packages / pywal / backends / wal.py

diff --git a/.local/lib/python3.9/site-packages/pywal/backends/wal.py b/.local/lib/python3.9/site-packages/pywal/backends/wal.py
new file mode 100644 (file)
index 0000000..a75fdc5
--- /dev/null
+++ b/.local/lib/python3.9/site-packages/pywal/backends/wal.py
@@ -0,0 +1,87 @@
+"""
+Generate a colorscheme using imagemagick.
+"""
+import logging
+import re
+import shutil
+import subprocess
+import sys
+
+from .. import util
+
+
+def imagemagick(color_count, img, magick_command):
+    """Call Imagemagick to generate a scheme."""
+    flags = ["-resize", "25%", "-colors", str(color_count),
+             "-unique-colors", "txt:-"]
+    img += "[0]"
+
+    return subprocess.check_output([*magick_command, img, *flags]).splitlines()
+
+
+def has_im():
+    """Check to see if the user has im installed."""
+    if shutil.which("magick"):
+        return ["magick", "convert"]
+
+    if shutil.which("convert"):
+        return ["convert"]
+
+    logging.error("Imagemagick wasn't found on your system.")
+    logging.error("Try another backend. (wal --backend)")
+    sys.exit(1)
+
+
+def gen_colors(img):
+    """Format the output from imagemagick into a list
+       of hex colors."""
+    magick_command = has_im()
+
+    for i in range(0, 20, 1):
+        raw_colors = imagemagick(16 + i, img, magick_command)
+
+        if len(raw_colors) > 16:
+            break
+
+        elif i == 19:
+            logging.error("Imagemagick couldn't generate a suitable palette.")
+            sys.exit(1)
+
+        else:
+            logging.warning("Imagemagick couldn't generate a palette.")
+            logging.warning("Trying a larger palette size %s", 16 + i)
+
+    return [re.search("#.{6}", str(col)).group(0) for col in raw_colors[1:]]
+
+
+def adjust(colors, light):
+    """Adjust the generated colors and store them in a dict that
+       we will later save in json format."""
+    raw_colors = colors[:1] + colors[8:16] + colors[8:-1]
+
+    # Manually adjust colors.
+    if light:
+        for color in raw_colors:
+            color = util.saturate_color(color, 0.5)
+
+        raw_colors[0] = util.lighten_color(colors[-1], 0.85)
+        raw_colors[7] = colors[0]
+        raw_colors[8] = util.darken_color(colors[-1], 0.4)
+        raw_colors[15] = colors[0]
+
+    else:
+        # Darken the background color slightly.
+        if raw_colors[0][1] != "0":
+            raw_colors[0] = util.darken_color(raw_colors[0], 0.40)
+
+        raw_colors[7] = util.blend_color(raw_colors[7], "#EEEEEE")
+        raw_colors[8] = util.darken_color(raw_colors[7], 0.30)
+        raw_colors[15] = util.blend_color(raw_colors[15], "#EEEEEE")
+
+    return raw_colors
+
+
+def get(img, light=False):
+    """Get colorscheme."""
+    colors = gen_colors(img)
+    return adjust(colors, light)