Interactive fixes

examples/homepage.ipynb

@@ -193,11 +193,7 @@
     "\n",
     "|    |    |\n",
     "| --- | --- |\n",
-    "| Build Status | [![Build Status](https://github.com/holoviz/hvplot/workflows/tests/badge.svg)](https://github.com/holoviz/hvplot/actions?query=workflow%3Atests) |\n",
-    "| Coverage | [![Coverage Status](https://coveralls.io/repos/github/holoviz/hvplot/badge.svg?branch=master)](https://coveralls.io/github/holoviz/hvplot?branch=master) |\n",
-    "| Latest dev release | [![Github tag](https://img.shields.io/github/tag/holoviz/hvplot.svg?label=tag&colorB=11ccbb)](https://github.com/holoviz/hvplot/tags) |\n",
     "| Latest release | [![Github release](https://img.shields.io/github/release/holoviz/hvplot.svg?label=tag&colorB=11ccbb)](https://github.com/holoviz/hvplot/releases) [![PyPI version](https://img.shields.io/pypi/v/hvplot.svg?colorB=cc77dd)](https://pypi.python.org/pypi/hvplot) [![hvplot version](https://img.shields.io/conda/v/pyviz/hvplot.svg?colorB=4488ff&style=flat)](https://anaconda.org/pyviz/hvplot) [![conda-forge version](https://img.shields.io/conda/v/conda-forge/hvplot.svg?label=conda%7Cconda-forge&colorB=4488ff)](https://anaconda.org/conda-forge/hvplot) [![defaults version](https://img.shields.io/conda/v/anaconda/hvplot.svg?label=conda%7Cdefaults&style=flat&colorB=4488ff)](https://anaconda.org/anaconda/hvplot) |\n",
-    "| Docs | [![gh-pages](https://img.shields.io/github/last-commit/holoviz/hvplot/gh-pages.svg)](https://github.com/holoviz/hvplot/tree/gh-pages) [![site](https://img.shields.io/website-up-down-green-red/http/hvplot.holoviz.org.svg)](http://hvplot.holoviz.org) |\n",
     "\n",
     "hvPlot works with [Python 2.7 and Python 3](https://travis-ci.org/pyviz/hvplot) on Linux, Windows, or Mac.  The recommended way to install hvPlot is using the [conda](http://conda.pydata.org/docs/) command provided by [Anaconda](http://docs.continuum.io/anaconda/install) or [Miniconda](http://conda.pydata.org/miniconda.html):\n",
     "\n",

hvplot/interactive.py

@@ -13,6 +13,8 @@
 from panel.layout import Column, Row, VSpacer, HSpacer
 from panel.widgets.base import Widget
 
+from .util import is_tabular, is_xarray, is_xarray_dataarray
+
 
 def _find_widgets(op):
     widgets = []
@@ -51,14 +53,19 @@ class Interactive():
     def __init__(self, obj, transform=None, plot=False, depth=0,
                  loc='top_left', center=False, dmap=False, inherit_kwargs={},
                  **kwargs):
+        self._init = False
         self._obj = obj
         self._method = None
         if transform is None:
-            import xarray as xr
-            if isinstance(obj, xr.DataArray):
-                self._transform = hv.dim(obj.name)
-            else:
-                self._transform = hv.dim('*')
+            dim = '*'
+            transform = hv.util.transform.dim
+            if is_xarray(obj):
+                transform = hv.util.transform.xr_dim
+                if is_xarray_dataarray(obj):
+                    dim = obj.name
+            elif is_tabular(obj):
+                transform = hv.util.transform.pd_dim
+            self._transform = transform(dim)
         else:
             self._transform = transform
         self._plot = plot
@@ -70,6 +77,7 @@ def __init__(self, obj, transform=None, plot=False, depth=0,
         self._kwargs = kwargs
         ds = hv.Dataset(self._obj)
         self._current = self._transform.apply(ds, keep_index=True, compute=False)
+        self._init = True
 
     @property
     def _params(self):
@@ -106,10 +114,23 @@ def __dir__(self):
         current = self._current
         if self._method:
             current = getattr(current, self._method)
-        return [d for d in dir(current) if d[0] != '_']
-
-    def __getattr__(self, name):
-        if name in dir(self):
+        extras = {attr for attr in dir(current) if not attr.startswith('_')}
+        try:
+            return sorted(set(super(Interactive, self).__dir__()) | extras)
+        except Exception:
+            return sorted(set(dir(type(self))) | set(self.__dict__) | extras)
+
+    def __getattribute__(self, name):
+        self_dict = super(Interactive, self).__getattribute__('__dict__')
+        if not self_dict.get('_init'):
+            return super(Interactive, self).__getattribute__(name)
+
+        current = self_dict['_current']
+        method = self_dict['_method']
+        if method:
+            current = getattr(current, method)
+        extras = [d for d in dir(current) if not d.startswith('_')]
+        if name in extras and name not in super(Interactive, self).__dir__():
             if self._method:
                 transform = hv.dim(self._transform, self._method, accessor=True)
                 inherit_kwargs = {}
@@ -124,7 +145,7 @@ def __getattr__(self, name):
             except Exception:
                 pass
             return new
-        raise AttributeError(name)
+        return super(Interactive, self).__getattribute__(name)
 
     @staticmethod
     def _get_ax_fn():
@@ -147,7 +168,9 @@ def __call__(self, *args, **kwargs):
         method = type(self._transform)(self._transform, self._method,
                                        accessor=True)
         kwargs = dict(self._inherit_kwargs, **kwargs)
-        return self._clone(method(*args, **kwargs), plot=self._method == 'plot')
+        clone = self._clone(method(*args, **kwargs), plot=self._method == 'plot')
+        self._method = None
+        return clone
 
     #----------------------------------------------------------------
     # Interactive pipeline APIs
@@ -302,6 +325,8 @@ def __rtruediv__(self, other):
         return self._clone(transform)
 
     def __getitem__(self, other):
+        if self._method:
+            self._method = None
         other = other._transform if isinstance(other, Interactive) else other
         transform = type(self._transform)(self._transform, operator.getitem, other)
         return self._clone(transform)