api: Remove wal.py

1 files changed, 95 insertions, 0 deletions

diff --git a/pywal/colors.py b/pywal/colors.py
new file mode 100644
index 0000000..08490a4
--- /dev/null
+++ b/pywal/colors.py
@@ -0,0 +1,95 @@
+"""
+Generate a colorscheme using imagemagick.
+"""
+import re
+import shutil
+import subprocess
+
+from .settings import __cache_dir__, __color_count__
+from . import util
+
+
+def imagemagick(color_count, img):
+    """Call Imagemagick to generate a scheme."""
+    colors = subprocess.Popen(["convert", img, "+dither", "-colors",
+                               str(color_count), "-unique-colors", "txt:-"],
+                              stdout=subprocess.PIPE)
+
+    return colors.stdout.readlines()
+
+
+def gen_colors(img, color_count):
+    """Format the output from imagemagick into a list
+       of hex colors."""
+    if not shutil.which("convert"):
+        print("error: imagemagick not found, exiting...\n"
+              "error: wal requires imagemagick to function.")
+        exit(1)
+
+    raw_colors = imagemagick(color_count, img)
+
+    index = 0
+    while len(raw_colors) - 1 < color_count:
+        index += 1
+        raw_colors = imagemagick(color_count + index, img)
+
+        print("colors: Imagemagick couldn't generate a", color_count,
+              "color palette, trying a larger palette size",
+              color_count + index)
+
+        if index > 20:
+            print("colors: Imagemagick couldn't generate a suitable scheme",
+                  "for the image. Exiting...")
+            quit(1)
+
+    # Remove the first element because it isn't a color code.
+    del raw_colors[0]
+
+    return [re.search("#.{6}", str(col)).group(0) for col in raw_colors]
+
+
+def sort_colors(img, colors):
+    """Sort the generated colors and store them in a dict that
+       we will later save in json format."""
+    raw_colors = colors[:1] + colors[9:] + colors[8:]
+
+    colors = {"wallpaper": img}
+
+    colors_special = {}
+    colors_special.update({"background": raw_colors[0]})
+    colors_special.update({"foreground": raw_colors[15]})
+    colors_special.update({"cursor": raw_colors[15]})
+
+    colors_hex = {}
+    for index, color in enumerate(raw_colors):
+        colors_hex.update({f"color{index}": color})
+
+    colors_hex["color8"] = util.set_grey(raw_colors)
+    colors["special"] = colors_special
+    colors["colors"] = colors_hex
+
+    return colors
+
+
+def get(img, cache_dir=__cache_dir__,
+        color_count=__color_count__, notify=False):
+    """Get the colorscheme."""
+    # _home_dylan_img_jpg.json
+    cache_file = cache_dir / "schemes" / \
+        img.replace("/", "_").replace(".", "_")
+    cache_file = cache_file.with_suffix(".json")
+
+    if cache_file.is_file():
+        colors = util.read_file_json(cache_file)
+        print("colors: Found cached colorscheme.")
+
+    else:
+        util.msg("wal: Generating a colorscheme...", notify)
+
+        colors = gen_colors(img, color_count)
+        colors = sort_colors(img, colors)
+
+        util.save_file_json(colors, cache_file)
+        util.msg("wal: Generation complete.", notify)
+
+    return colors