From fe78d6b1c7636835d81692fc29ab9b68d07d8fb8 Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Sun, 1 Apr 2018 13:10:38 +1000
Subject: [PATCH] config: Added another option.

---
 pywal/__main__.py |  3 ++-
 pywal/colors.py   | 30 +++++++++++++++++++++---------
 2 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/pywal/__main__.py b/pywal/__main__.py
index c1c4002..90e8978 100644
--- a/pywal/__main__.py
+++ b/pywal/__main__.py
@@ -40,7 +40,8 @@ def get_args(args):
     arg.add_argument("--backend", metavar="backend",
                      help="Which color backend to use. \
                            Use 'wal --backend' to list backends.",
-                     const="list_backends", type=str, nargs="?", default="wal")
+                     const="list_backends", type=str,
+                     nargs="?", default="default")
 
     arg.add_argument("--theme", metavar="/path/to/file or theme_name",
                      help="Which colorscheme file to use. \
diff --git a/pywal/colors.py b/pywal/colors.py
index 5472ef5..956cd35 100644
--- a/pywal/colors.py
+++ b/pywal/colors.py
@@ -8,7 +8,7 @@ import sys
 
 from . import theme
 from . import util
-from .settings import CACHE_DIR, MODULE_DIR, __cache_version__
+from .settings import CACHE_DIR, MODULE_DIR, CONFIG, __cache_version__
 
 
 def list_backends():
@@ -81,8 +81,27 @@ def cache_fname(img, backend, light, cache_dir):
     return [cache_dir, "schemes", "%s_%s_%s_%s.json" % (*file_parts,)]
 
 
-def get(img, light=False, backend="wal", cache_dir=CACHE_DIR):
+def get_backend(backend):
+    """Figure out which backend to use."""
+    if CONFIG.get("colors", "backend") and backend == "default":
+        return CONFIG.get("colors", "backend")
+
+    elif backend == "default":
+        return "wal"
+
+    if backend == "random":
+        backends = list_backends()
+        random.shuffle(backends)
+        return backends[0]
+
+    return backend
+
+
+def get(img, light=False, backend="default", cache_dir=CACHE_DIR):
     """Generate a palette."""
+    backend = get_backend(backend)
+    print("wal: Using", backend, "backend.")
+
     # home_dylan_img_jpg_backend_1.2.2.json
     cache_name = cache_fname(img, backend, light, cache_dir)
     cache_file = os.path.join(*cache_name)
@@ -95,13 +114,6 @@ def get(img, light=False, backend="wal", cache_dir=CACHE_DIR):
     else:
         print("wal: Generating a colorscheme...")
 
-        if backend == "random":
-            backends = list_backends()
-            random.shuffle(backends)
-            backend = backends[0]
-
-        print("wal: Using", backend, "backend.")
-
         # Dynamically import the backend we want to use.
         # This keeps the dependencies "optional".
         try: