Merge pull request #14 from fperez/master

Remove matplotlib rc overrides.

Addresses:
- ipython/ipython#10383
- matplotlib/matplotlib#23007

Author: fperez

matplotlib_inline/config.py

@@ -32,26 +32,19 @@ class InlineBackendConfig(SingletonConfigurable):
 class InlineBackend(InlineBackendConfig):
     """An object to store configuration of the inline backend."""
 
-    # The typical default figure size is too large for inline use,
-    # so we shrink the figure size to 6x4, and tweak fonts to
-    # make that fit.
+    # While we are deprecating overriding matplotlib defaults out of the
+    # box, this structure should remain here (empty) for API compatibility
+    # and the use of other tools that may need it. Specifically Spyder takes
+    # advantage of it.
+    # See https://github.com/ipython/ipython/issues/10383 for details.
     rc = Dict(
-        {
-            'figure.figsize': (6.0, 4.0),
-            # play nicely with white background in the Qt and notebook frontend
-            'figure.facecolor': (1, 1, 1, 0),
-            'figure.edgecolor': (1, 1, 1, 0),
-            # 12pt labels get cutoff on 6x4 logplots, so use 10pt.
-            'font.size': 10,
-            # 72 dpi matches SVG/qtconsole
-            # this only affects PNG export, as SVG has no dpi setting
-            'figure.dpi': 72,
-            # 10pt still needs a little more room on the xlabel:
-            'figure.subplot.bottom': .125
-        },
-        help="""Subset of matplotlib rcParams that should be different for the
-        inline backend."""
-    ).tag(config=True)
+        {},
+        help="""Dict to manage matplotlib configuration defaults in the inline
+        backend. As of v0.1.4 IPython/Jupyter do not override defaults out of
+        the box, but third-party tools may use it to manage rc data. To change
+        personal defaults for matplotlib,  use matplotlib's configuration
+        tools, or customize this class in your `ipython_config.py` file for
+        IPython/Jupyter-specific usage.""").tag(config=True)
 
     figure_formats = Set(
         {'png'},