feat: more backends

1 files changed, 60 insertions, 0 deletions

diff --git a/pywal/backends/colorz.py b/pywal/backends/colorz.py
new file mode 100644
index 0000000..f05e534
--- /dev/null
+++ b/pywal/backends/colorz.py
@@ -0,0 +1,60 @@
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+"""
+Generate a colorscheme using Colorz.
+"""
+import logging
+import sys
+
+try:
+    import colorz
+
+except ImportError:
+    logging.error("colorz wasn't found on your system.")
+    logging.error("Try another backend. (wal --backend)")
+    sys.exit(1)
+
+from .. import colors
+from .. import util
+
+
+def gen_colors(img):
+    """Generate a colorscheme using Colorz."""
+    # pylint: disable=not-callable
+    raw_colors = colorz.colorz(img, n=6, bold_add=0)
+    return [util.rgb_to_hex([*color[0]]) for color in raw_colors]
+
+
+def adjust(cols, light):
+    """Create palette."""
+    raw_colors = [cols[0], *cols, "#FFFFFF", "#000000", *cols, "#FFFFFF"]
+
+    return colors.generic_adjust(raw_colors, light)
+
+
+def get(img, light=False):
+    """Get colorscheme."""
+    cols = gen_colors(img)
+
+    if len(cols) < 6:
+        logging.error("colorz failed to generate enough colors.")
+        logging.error("Try another backend or another image. (wal --backend)")
+        sys.exit(1)
+
+    return adjust(cols, light)