Update renderer.py and mpltools.py for change.

Author: theengineear

plotly/matplotlylib/mpltools.py

@@ -422,13 +422,17 @@ def prep_ticks(ax, index, ax_type, props):
     if ax_type == 'x' and 'DateFormatter' in formatter:
         axis_dict['type'] = 'date'
         try:
-            axis_dict['tick0'] = mpl_dates_to_datestrings(axis_dict['tick0'])
+            axis_dict['tick0'] = mpl_dates_to_datestrings(
+                axis_dict['tick0'], formatter
+            )
         except KeyError:
             pass
         finally:
             axis_dict.pop('dtick', None)
             axis_dict.pop('autotick', None)
-            axis_dict['range'] = mpl_dates_to_datestrings(props['xlim'])
+            axis_dict['range'] = mpl_dates_to_datestrings(
+                props['xlim'], formatter
+            )
 
     if formatter == 'LogFormatterMathtext':
         axis_dict['exponentformat'] = 'e'

plotly/matplotlylib/renderer.py

@@ -258,7 +258,9 @@ def draw_bar(self, coll):
                                            [bar['x1'] for bar in trace])
             if self.x_is_mpl_date:
                 x = [bar['x0'] for bar in trace]
-                x = mpltools.mpl_dates_to_datestrings(x)
+                formatter = (self.current_mpl_ax.get_xaxis()
+                             .get_major_formatter().__class__.__name__)
+                x = mpltools.mpl_dates_to_datestrings(x, formatter)
         else:
             self.msg += "    Attempting to draw a horizontal bar chart\n"
             old_rights = [bar_props['x1'] for bar_props in trace]
@@ -367,8 +369,10 @@ def draw_marked_line(self, **props):
                 line=line,
                 marker=marker)
             if self.x_is_mpl_date:
+                formatter = (self.current_mpl_ax.get_xaxis()
+                             .get_major_formatter().__class__.__name__)
                 marked_line['x'] = mpltools.mpl_dates_to_datestrings(
-                    marked_line['x']
+                    marked_line['x'], formatter
                 )
             self.plotly_fig['data'] += marked_line,
             self.msg += "    Heck yeah, I drew that line\n"