Adds axis boilerplate

Author: palnabarun

mplaltair/_axis.py

@@ -0,0 +1,32 @@
+import numpy as np
+from matplotlib import pyplot as plt
+
+def _handle_x(ax, spec):
+    pass
+
+def _handle_y(ax, spec):
+    pass
+
+def convert_axis(ax, chart):
+    """Convert elements of the altair chart to Matplotlib axis properties
+
+    Parameters
+    ----------
+    ax
+        The Matplotlib axis to be modified
+    chart
+        The Altair chart
+
+    Raises
+    ------
+
+    """
+
+    _AXIS_HANDLER_MAPPING = {
+        'x': _handle_x,
+        'y': _handle_y,
+    }
+
+    for enc_channel, enc_spec in chart.to_dict['encoding']:
+        if enc_channel in ['x', 'y']:
+            _AXIS_HANDLER_MAPPING[enc_channel](ax, enc_spec)