fixup! Add a placeholder for bokeh engine

Author: rs2

pandas/plotting/_core.py

@@ -2461,32 +2461,60 @@ def _grouped_plot_by_column(plotf, data, columns=None, by=None,
 
 
 class BokehSeriesPlotMethods(base.SeriesPlotMethods):
-    """Let's start hacking"""
 
     @property
     def engine_name(self):
         return 'bokeh'
 
-    def __call__(self, kind='line', ax=None,
-                 figsize=None, use_index=True, title=None, grid=None,
-                 legend=False, style=None, logx=False, logy=False,
-                 loglog=False, xticks=None, yticks=None,
-                 xlim=None, ylim=None,
-                 rot=None, fontsize=None, colormap=None, table=False,
-                 yerr=None, xerr=None,
-                 label=None, secondary_y=False, **kwds):
-        pass
+    def __call__(**kwds):
+        import logging
+        logging.error(kwds)
 
-    def line(self, **kwds):
-        """Line drawn using bokeh
 
-        Args:
-            **kwds:
+class BokehFramePlotMethods(base.FramePlotMethods):
+    """
+    repro notebook:
+
+    import pandas as pd
+    import numpy as np
+    import bokeh
+    from bokeh.io import output_notebook, INLINE
+    pd.set_option('plotting.engine', 'bokeh')
+    df = pd.DataFrame(np.random.rand(5, 3))
+    df.plot()
+    """
+
+    @property
+    def engine_name(self):
+        return 'bokeh'
 
-        Returns:
+    def __call__(self, x=None, y=None, kind='line', figure=None,
+                 use_index=True, title=None, grid=None,
+                 legend=True, style=None,
+                 fontsize=None, colormap=None,
+                 yerr=None, xerr=None,
+                 secondary_y=False, sort_columns=False, **kwds):
 
-        """
-        return self(kind='line', **kwds)
+        from bokeh.plotting import Figure, show
+        from bokeh.models import ColumnDataSource, HoverTool
+
+        df = self._data
+        source = ColumnDataSource(df)
+        hover_tool = HoverTool(
+            tooltips=[
+                ('index', '$index'),
+                ('(x,y)', '($x, $y)'),
+            ]
+        )
+        plot = Figure(
+            width=450,
+            height=300,
+            logo=None,
+            tools=[hover_tool]
+        )
+        for column in df.columns:
+            plot.line(x='index', y=column, source=source);
+        return show(plot)
 
 
 class MPLSeriesPlotMethods(base.SeriesPlotMethods):
@@ -2913,4 +2941,5 @@ def hexbin(self, x, y, C=None, reduce_C_function=None, gridsize=None,
 base.register_engine("matplotlib", 'series', MPLSeriesPlotMethods)
 base.register_engine("matplotlib", 'frame', MPLFramePlotMethods)
 
-base.register_engine('bokeh', 'series', BokehSeriesPlotMethods)
+base.register_engine('bokeh', 'series', BokehSeriesPlotMethods)
+base.register_engine('bokeh', 'frame', BokehFramePlotMethods)