For connoisseur only: add a simple "ephyviewer" backend plot_traces().

src/spikeinterface/widgets/base.py

@@ -39,12 +39,14 @@ def set_default_plotter_backend(backend):
         "height_cm": "Height of the figure in cm (default 6)",
         "display": "If True, widgets are immediately displayed",
     },
+    "ephyviewer": {},
 }
 
 default_backend_kwargs = {
     "matplotlib": {"figure": None, "ax": None, "axes": None, "ncols": 5, "figsize": None, "figtitle": None},
     "sortingview": {"generate_url": True, "display": True, "figlabel": None, "height": None},
     "ipywidgets": {"width_cm": 25, "height_cm": 10, "display": True},
+    "ephyviewer": {},
 }
 
 

src/spikeinterface/widgets/tests/test_widgets.py

@@ -72,7 +72,7 @@ def setUpClass(cls):
         else:
             cls.we_sparse = cls.we.save(folder=cache_folder / "mearec_test_sparse", sparsity=cls.sparsity_radius)
 
-        cls.skip_backends = ["ipywidgets"]
+        cls.skip_backends = ["ipywidgets", "ephyviewer"]
 
         if ON_GITHUB and not KACHERY_CLOUD_SET:
             cls.skip_backends.append("sortingview")
@@ -344,7 +344,7 @@ def test_sorting_summary(self):
     # mytest.test_unit_locations()
     # mytest.test_quality_metrics()
     # mytest.test_template_metrics()
-    mytest.test_amplitudes()
+    # mytest.test_amplitudes()
 
     # plt.ion()
     plt.show()

src/spikeinterface/widgets/traces.py

@@ -523,6 +523,32 @@ def plot_sortingview(self, data_plot, **backend_kwargs):
         backend_kwargs["display"] = False
 
         self.url = handle_display_and_url(self, self.view, **backend_kwargs)
+
+    def plot_ephyviewer(self, data_plot, **backend_kwargs):
+        import ephyviewer
+        from ..preprocessing import depth_order
+
+        dp = to_attr(data_plot)
+
+        app = ephyviewer.mkQApp()
+        win = ephyviewer.MainViewer(debug=False, show_auto_scale=True)
+
+        for k, rec in dp.recordings.items():
+
+            if dp.order_channel_by_depth:
+                rec = depth_order(rec, flip=True)
+
+            sig_source = ephyviewer.SpikeInterfaceRecordingSource(recording=rec)
+            view = ephyviewer.TraceViewer(source=sig_source, name=k)
+            view.params['scale_mode'] = 'by_channel'
+            if dp.show_channel_ids:
+                view.params['display_labels'] = True
+            view.auto_scale()
+            win.add_view(view)
+
+        win.show()
+        app.exec()
+
 
 
 def _get_trace_list(recordings, channel_ids, time_range, segment_index, order=None, return_scaled=False):