Add a style property and class

Fixes issue #1 and issue #2 Added a style property to artist and created a Style class in style.py. This requried renaming existing style subpackage to old_style
matplotlib · JamesRamm · Aug 9, 2014 · Aug 14, 2014 · Aug 15, 2014 · Aug 14, 2014
commit 6843f620e0cfa742b5bb581877bf0ca48a5c16b6
diff --git a/lib/matplotlib/artist.py b/lib/matplotlib/artist.py
@@ -9,6 +9,7 @@
 import matplotlib
 import matplotlib.cbook as cbook
 from matplotlib import docstring, rcParams
+from matplotlib import style
 from .transforms import Bbox, IdentityTransform, TransformedBbox, \
                        TransformedPath, Transform
 from .path import Path
@@ -75,6 +76,7 @@ class Artist(object):
 
     aname = 'Artist'
     zorder = 0
+    style = style.style_property()
 
     def __init__(self):
         self.figure = None
@@ -108,6 +110,7 @@ def __init__(self):
         self._snap = None
         self._sketch = rcParams['path.sketch']
         self._path_effects = rcParams['path.effects']
+        self.style = None
 
     def __getstate__(self):
         d = self.__dict__.copy()

diff --git a/lib/matplotlib/style/__init__.py → lib/matplotlib/old_style/__init__.py b/lib/matplotlib/style/__init__.py → lib/matplotlib/old_style/__init__.py
diff --git a/lib/matplotlib/style/core.py → lib/matplotlib/old_style/core.py b/lib/matplotlib/style/core.py → lib/matplotlib/old_style/core.py
diff --git a/lib/matplotlib/style/stylelib/bmh.mplstyle → ...atplotlib/old_style/stylelib/bmh.mplstyle b/lib/matplotlib/style/stylelib/bmh.mplstyle → ...atplotlib/old_style/stylelib/bmh.mplstyle
diff --git a/...b/style/stylelib/dark_background.mplstyle → ...d_style/stylelib/dark_background.mplstyle b/...b/style/stylelib/dark_background.mplstyle → ...d_style/stylelib/dark_background.mplstyle
diff --git a/...b/style/stylelib/fivethirtyeight.mplstyle → ...d_style/stylelib/fivethirtyeight.mplstyle b/...b/style/stylelib/fivethirtyeight.mplstyle → ...d_style/stylelib/fivethirtyeight.mplstyle
diff --git a/...matplotlib/style/stylelib/ggplot.mplstyle → ...lotlib/old_style/stylelib/ggplot.mplstyle b/...matplotlib/style/stylelib/ggplot.mplstyle → ...lotlib/old_style/stylelib/ggplot.mplstyle
diff --git a/...plotlib/style/stylelib/grayscale.mplstyle → ...lib/old_style/stylelib/grayscale.mplstyle b/...plotlib/style/stylelib/grayscale.mplstyle → ...lib/old_style/stylelib/grayscale.mplstyle
diff --git a/lib/matplotlib/style.py b/lib/matplotlib/style.py
@@ -0,0 +1,45 @@
+from matplotlib.backend_bases import GraphicsContextBase
+
+def style_property(name = 'style', expected_type = Style):
+    """ Property for style attributes. Performs type checking """
+    storage_name = '_' + name
+
+    @property
+    def prop(self):
+        return getattr(self, storage_name)
+    @prop.setter
+    def prop(self, value):
+        if isinstance(value, expected_type) or value is None:
+            setattr(self, storage_name, value)
+        else:
+            raise TypeError('{} must be a {}'.format(name, expected_type))
+
+    return prop
+
+
+class Style(GraphicsContextBase):
+
+    _lineStyles = {
+    '-':    'solid',
+     '--':   'dashed',
+    '-.':   'dashdot',
+    ':':    'dotted'}
+
+    def get_graylevel(self):
+        'Just returns the foreground color'
+        return self._rgb
+
+    alpha = property(GraphicsContextBase.get_alpha, GraphicsContextBase.set_alpha)
+    antialiased = property(GraphicsContextBase.get_antialiased, GraphicsContextBase.set_antialiased)
+    capstyle = property(GraphicsContextBase.get_capstyle, GraphicsContextBase.set_capstyle)
+    clip_rectangle = property(GraphicsContextBase.get_clip_rectangle, GraphicsContextBase.set_clip_rectangle)
+    clip_path = property(GraphicsContextBase.get_clip_path, GraphicsContextBase.set_clip_path)
+    graylevel = property(get_graylevel, GraphicsContextBase.set_graylevel)
+    joinstyle = property(GraphicsContextBase.get_joinstyle, GraphicsContextBase.set_joinstyle)
+    linewidth = property(GraphicsContextBase.get_linewidth, GraphicsContextBase.set_linewidth)
+    linestyle = property(GraphicsContextBase.get_linestyle, GraphicsContextBase.set_linestyle)
+    url = property(GraphicsContextBase.get_url, GraphicsContextBase.set_url)
+    gid = property(GraphicsContextBase.get_gid, GraphicsContextBase.set_gid)
+    snap = property(GraphicsContextBase.get_snap, GraphicsContextBase.set_snap)
+    hatch = property(GraphicsContextBase.get_hatch, GraphicsContextBase.set_hatch)
+