Fix viz palettes

cartoframes/viz/__init__.py

@@ -5,7 +5,7 @@
 
 from .themes import Themes as themes
 from .basemaps import Basemaps as basemaps
-from .defaults import COLOR_PALETTES as palettes
+from .palettes import Palettes as palettes
 
 from .styles import animation_style
 from .styles import basic_style

cartoframes/viz/defaults.py

@@ -15,75 +15,3 @@
         'strokeColor': 'opacity(#2c2c2c,ramp(linear(zoom(),2,18),[0.2,0.6]))'
     }
 }
-
-COLOR_PALETTES = [
-    'BURG',
-    'BURGYL',
-    'REDOR',
-    'ORYEL',
-    'PEACH',
-    'PINKYL',
-    'MINT',
-    'BLUGRN',
-    'DARKMINT',
-    'EMRLD',
-    'AG_GRNYL',
-    'BLUYL',
-    'TEAL',
-    'TEALGRN',
-    'PURP',
-    'PURPOR',
-    'SUNSET',
-    'MAGENTA',
-    'SUNSETDARK',
-    'AG_SUNSET',
-    'BRWNYL',
-    'ARMYROSE',
-    'FALL',
-    'GEYSER',
-    'TEMPS',
-    'TEALROSE',
-    'TROPIC',
-    'EARTH',
-    'ANTIQUE',
-    'BOLD',
-    'PASTEL',
-    'PRISM',
-    'SAFE',
-    'VIVID'
-    'CB_YLGN',
-    'CB_YLGNBU',
-    'CB_GNBU',
-    'CB_BUGN',
-    'CB_PUBUGN',
-    'CB_PUBU',
-    'CB_BUPU',
-    'CB_RDPU',
-    'CB_PURD',
-    'CB_ORRD',
-    'CB_YLORRD',
-    'CB_YLORBR',
-    'CB_PURPLES',
-    'CB_BLUES',
-    'CB_GREENS',
-    'CB_ORANGES',
-    'CB_REDS',
-    'CB_GREYS',
-    'CB_PUOR',
-    'CB_BRBG',
-    'CB_PRGN',
-    'CB_PIYG',
-    'CB_RDBU',
-    'CB_RDGY',
-    'CB_RDYLBU',
-    'CB_SPECTRAL',
-    'CB_RDYLGN',
-    'CB_ACCENT',
-    'CB_DARK2',
-    'CB_PAIRED',
-    'CB_PASTEL1',
-    'CB_PASTEL2',
-    'CB_SET1',
-    'CB_SET2',
-    'CB_SET3'
-]

cartoframes/viz/palettes.py

@@ -0,0 +1,88 @@
+class Palettes:  # pylint: disable=too-few-public-methods
+    """Color palettes applied to Map visualizations in the style helper methods.
+    By default, each color helper method has its own default palette.
+    More information at https://carto.com/carto-colors/
+
+    Example:
+        Create color bins style with the burg palette
+
+        >>> color_bins_style('column name', palette=palettes.burg)
+
+    """
+    pass
+
+
+PALETTES = [
+    'BURG',
+    'BURGYL',
+    'REDOR',
+    'ORYEL',
+    'PEACH',
+    'PINKYL',
+    'MINT',
+    'BLUGRN',
+    'DARKMINT',
+    'EMRLD',
+    'AG_GRNYL',
+    'BLUYL',
+    'TEAL',
+    'TEALGRN',
+    'PURP',
+    'PURPOR',
+    'SUNSET',
+    'MAGENTA',
+    'SUNSETDARK',
+    'AG_SUNSET',
+    'BRWNYL',
+    'ARMYROSE',
+    'FALL',
+    'GEYSER',
+    'TEMPS',
+    'TEALROSE',
+    'TROPIC',
+    'EARTH',
+    'ANTIQUE',
+    'BOLD',
+    'PASTEL',
+    'PRISM',
+    'SAFE',
+    'VIVID'
+    'CB_YLGN',
+    'CB_YLGNBU',
+    'CB_GNBU',
+    'CB_BUGN',
+    'CB_PUBUGN',
+    'CB_PUBU',
+    'CB_BUPU',
+    'CB_RDPU',
+    'CB_PURD',
+    'CB_ORRD',
+    'CB_YLORRD',
+    'CB_YLORBR',
+    'CB_PURPLES',
+    'CB_BLUES',
+    'CB_GREENS',
+    'CB_ORANGES',
+    'CB_REDS',
+    'CB_GREYS',
+    'CB_PUOR',
+    'CB_BRBG',
+    'CB_PRGN',
+    'CB_PIYG',
+    'CB_RDBU',
+    'CB_RDGY',
+    'CB_RDYLBU',
+    'CB_SPECTRAL',
+    'CB_RDYLGN',
+    'CB_ACCENT',
+    'CB_DARK2',
+    'CB_PAIRED',
+    'CB_PASTEL1',
+    'CB_PASTEL2',
+    'CB_SET1',
+    'CB_SET2',
+    'CB_SET3'
+]
+
+for palette in PALETTES:
+    setattr(Palettes, palette.lower(), palette)

tests/unit/viz/test_palettes.py

@@ -0,0 +1,13 @@
+from cartoframes.viz import palettes
+
+
+class TestPalettes(object):
+    def test_is_defined(self):
+        "palettes"
+        assert palettes is not None
+
+    def test_has_defined_palettes(self):
+        "palettes content"
+        assert palettes.burg == 'BURG'
+        assert palettes.burgyl == 'BURGYL'
+        assert palettes.cb_set3 == 'CB_SET3'