Implement show method

holoviews/core/layout.py

@@ -4,14 +4,20 @@
 AdjointLayout allows one or two Views to be adjoined to a primary View
 to act as supplementary elements.
 """
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
 
 import numpy as np
 import param
+from panel.pane.holoviews import HoloViews
 
 from . import traversal
 from .dimension import Dimension, Dimensioned, ViewableElement, ViewableTree
 from .ndmapping import NdMapping, UniformNdMapping
 
+if TYPE_CHECKING:
+    from panel.io.server import Server
 
 class Layoutable:
     """
@@ -34,6 +40,16 @@ def __add__(x, y):
     def __radd__(self, other):
         return self.__class__.__add__(other, self)
 
+    def show(self, pane_params: dict | None = None, **show_kwargs: dict) -> Server:
+        """
+        Starts a Bokeh server and displays the HoloViews object in a new tab.
+
+        Args:
+            pane_params: Params to pass to `pn.pane.HoloViews`
+            **show_kwargs: Keyword arguments to pass to the `show` method.
+        """
+        return HoloViews(self, **pane_params or {}).show(**show_kwargs)
+
 
 class Composable(Layoutable):
     """

holoviews/core/overlay.py

@@ -6,17 +6,23 @@
 Also supplies ViewMap which is the primary multi-dimensional Map type
 for indexing, slicing and animating collections of Views.
 """
+from __future__ import annotations
 
 from functools import reduce
+from typing import TYPE_CHECKING
 
 import numpy as np
 import param
+from panel.pane import HoloViews
 
 from .dimension import Dimension, Dimensioned, ViewableElement, ViewableTree
 from .layout import AdjointLayout, Composable, Layout, Layoutable
 from .ndmapping import UniformNdMapping
 from .util import dimensioned_streams, sanitize_identifier, unique_array
 
+if TYPE_CHECKING:
+    from panel.io.server import Server
+
 
 class Overlayable:
     """
@@ -52,6 +58,16 @@ def dynamic_mul(*args, **kwargs):
             except NotImplementedError:
                 return NotImplemented
 
+    def show(self, pane_params: dict | None = None, **show_kwargs: dict) -> Server:
+        """
+        Starts a Bokeh server and displays the HoloViews object in a new tab.
+
+        Args:
+            pane_params: Params to pass to `pn.pane.HoloViews`
+            **show_kwargs: Keyword arguments to pass to the `show` method.
+        """
+        return HoloViews(self, **pane_params or {}).show(**show_kwargs)
+
 
 class CompositeOverlay(ViewableElement, Composable):
     """

holoviews/core/spaces.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import itertools
 import types
 from collections import defaultdict
@@ -6,9 +8,11 @@
 from itertools import groupby
 from numbers import Number
 from types import FunctionType
+from typing import TYPE_CHECKING
 
 import numpy as np
 import param
+from panel.pane.holoviews import HoloViews
 
 from ..streams import Params, Stream, streams_list_from_dict
 from . import traversal, util
@@ -19,6 +23,9 @@
 from .options import Store, StoreOptions
 from .overlay import CompositeOverlay, NdOverlay, Overlay, Overlayable
 
+if TYPE_CHECKING:
+    from panel.io.server import Server
+
 
 class HoloMap(Layoutable, UniformNdMapping, Overlayable):
     """
@@ -424,6 +431,16 @@ def hist(self, dimension=None, num_bins=20, bin_range=None,
         else:
             return histmaps[0]
 
+    def show(self, pane_params: dict | None = None, **show_kwargs: dict) -> Server:
+        """
+        Starts a Bokeh server and displays the HoloViews object in a new tab.
+
+        Args:
+            pane_params: Params to pass to `pn.pane.HoloViews`
+            **show_kwargs: Keyword arguments to pass to the `show` method.
+        """
+        return HoloViews(self, **pane_params or {}).show(**show_kwargs)
+
 
 class Callable(param.Parameterized):
     """
@@ -597,7 +614,6 @@ def __call__(self, *args, **kwargs):
         return ret
 
 
-
 class Generator(Callable):
     """
     Generators are considered a special case of Callable that accept no

holoviews/element/chart.py

@@ -1,5 +1,10 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
 import numpy as np
 import param
+from panel.pane.holoviews import HoloViews
 
 from ..core import Dataset, Dimension, Element2D, NdOverlay, Overlay, util
 from ..core.dimension import process_dimensions
@@ -10,6 +15,9 @@
 )
 from .selection import Selection1DExpr
 
+if TYPE_CHECKING:
+    from panel.io.server import Server
+
 
 class Chart(Dataset, Element2D):
     """
@@ -56,6 +64,16 @@ def __init__(self, data, kdims=None, vdims=None, **params):
     def __getitem__(self, index):
         return super().__getitem__(index)
 
+    def show(self, pane_params: dict | None = None, **show_kwargs: dict) -> Server:
+        """
+        Starts a Bokeh server and displays the HoloViews object in a new tab.
+
+        Args:
+            pane_params: Params to pass to `pn.pane.HoloViews`
+            **show_kwargs: Keyword arguments to pass to the `show` method.
+        """
+        return HoloViews(self, **pane_params or {}).show(**show_kwargs)
+
 
 class Scatter(Selection1DExpr, Chart):
     """