alpha: Store alpha value in scheme file. Fixes #120

pywal/__main__.py

@@ -107,9 +107,6 @@ def process_args(args):
         scheme_dir = os.path.join(CACHE_DIR, "schemes")
         shutil.rmtree(scheme_dir, ignore_errors=True)
 
-    if args.a:
-        util.Color.alpha_num = args.a
-
     if args.R:
         image_file = os.path.join(CACHE_DIR, "wal")
 
@@ -126,6 +123,9 @@ def process_args(args):
     if args.f:
         colors_plain = colors.file(args.f)
 
+    if args.a:
+        util.Color.alpha_num = args.a
+
     if args.b:
         args.b = "#%s" % (args.b.strip("#"))
         colors_plain["special"]["background"] = args.b

pywal/colors.py

@@ -70,7 +70,8 @@ def create_palette(img, colors):
     raw_colors[8] = util.darken_color(raw_colors[7], 0.30)
     raw_colors[15] = util.blend_color(raw_colors[15], "#EEEEEE")
 
-    colors = {"wallpaper": img, "special": {}, "colors": {}}
+    colors = {"wallpaper": img, "alpha": util.Color.alpha_num,
+              "special": {}, "colors": {}}
     colors["special"]["background"] = raw_colors[0]
     colors["special"]["foreground"] = raw_colors[15]
     colors["special"]["cursor"] = raw_colors[15]
@@ -90,6 +91,7 @@ def get(img, cache_dir=CACHE_DIR,
 
     if os.path.isfile(cache_file):
         colors = util.read_file_json(cache_file)
+        util.Color.alpha_num = colors["alpha"]
         print("colors: Found cached colorscheme.")
 
     else:
@@ -111,4 +113,7 @@ def file(input_file):
     if "wallpaper" not in data:
         data["wallpaper"] = "None"
 
+    if "alpha" not in data:
+        data["alpha"] = 100
+
     return data

pywal/export.py

@@ -20,6 +20,7 @@ def flatten_colors(colors):
     """Prepare colors to be exported.
        Flatten dicts and convert colors to util.Color()"""
     all_colors = {"wallpaper": colors["wallpaper"],
+                  "alpha": colors["alpha"],
                   **colors["special"],
                   **colors["colors"]}
     return {k: util.Color(v) for k, v in all_colors.items()}

pywal/sequences.py

@@ -15,7 +15,7 @@ def set_special(index, color, iterm_name="h"):
     if OS == "Darwin":
         return "\033]P%s%s\033\\" % (iterm_name, color.strip("#"))
 
-    if index in [11, 708] and alpha != 100:
+    if index in [11, 708] and alpha != "100":
         return "\033]%s;[%s]%s\033\\" % (index, alpha, color)
 
     return "\033]%s;%s\033\\" % (index, color)

pywal/templates/colors.json

@@ -1,5 +1,6 @@
 {{
     "wallpaper": "{wallpaper}",
+    "alpha": "{alpha}",
 
     "special": {{
         "background": "{background}",

pywal/util.py

@@ -9,7 +9,7 @@ import subprocess
 
 class Color:
     """Color formats."""
-    alpha_num = 100
+    alpha_num = "100"
 
     def __init__(self, hex_color):
         self.hex_color = hex_color