Added a find_all method to the RcParams dictionary.

pelson · pelson · commit c8fae1593943 · 2013-04-12T18:31:38.000+01:00
diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
@@ -752,6 +752,22 @@ def values(self):
         """
         return [self[k] for k in self.iterkeys()]
 
+    def find_all(self, key_contains):
+        """
+        Return the subset of this RcParams dictionary for which the given
+        ``key_contains`` string is found somewhere in the key.
+
+        .. note::
+
+            Changes to the returned dictionary are *not* propagated to
+            the parent RcParams dictionary.
+
+        """
+        return RcParams((key, value)
+                        for key, value in self.items()
+                        if key_contains in key)
+
+
 def rc_params(fail_on_error=False):
     'Return the default params updated from the values in the rc file'
 
