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Calling edit_traits on ScatterPlot raises TypeError
Given the following example, running scatter.edit_traits() crashes with TypeError: object of type 'float' has no len() (see full traceback below), whereas line.edit_traits() works.
- traits: '4.6.0'
- traitsui: '5.1.0'
- chaco: '4.6.0'
- Python: '2.7.13 |Enthought, Inc. (x86_64)| (default, Mar 2 2017, 08:20:50) \n[GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.57)]'
from chaco.api import ArrayPlotData, Plot
from enable.api import ComponentEditor
from traits.api import HasTraits, Instance
import numpy as np
from traitsui.api import Item, View
class ChacoPlot(HasTraits):
my_plot = Instance(Plot)
_traits_view = View(
Item('my_plot', editor=ComponentEditor(), show_label=False),
)
def _my_plot_default(self):
x = np.arange(10)
y = np.sin(x)
p = Plot(ArrayPlotData(x=x, y=y))
p.plot(('x', 'y'), type='scatter', name='scatter plot')
p.plot(('x', 'y'), name='line plot')
return p
if __name__ == "__main__":
cp = ChacoPlot()
cp.edit_traits()
scatter = cp.my_plot.plots['scatter plot'][0]
line = cp.my_plot.plots['line plot'][0]
>>> scatter.edit_traits()
TypeErrorTraceback (most recent call last)
<ipython-input-19-590fa09d9b39> in <module>()
----> 1 scatter.edit_traits()
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traits/has_traits.pyc in edit_traits(self, view, parent, kind, context, handler, id, scrollable, **args)
1869
1870 return view.ui( context, parent, kind, self.trait_view_elements(),
-> 1871 handler, id, scrollable, args )
1872
1873 #---------------------------------------------------------------------------
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/view.pyc in ui(self, context, parent, kind, view_elements, handler, id, scrollable, args)
431 kind = self.kind
432
--> 433 ui.ui( parent, kind )
434
435 return ui
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/ui.pyc in ui(self, parent, kind)
219 dispatch = 'ui' )
220 self.rebuild = getattr( toolkit(), 'ui_' + kind )
--> 221 self.rebuild( self, parent )
222
223 #---------------------------------------------------------------------------
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/qt4/toolkit.pyc in ui_live(self, ui, parent)
153 """
154 import ui_live
--> 155 ui_live.ui_live( ui, parent )
156
157 def ui_modal ( self, ui, parent ):
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/qt4/ui_live.pyc in ui_live(ui, parent)
37 """Creates a live, non-modal PyQt user interface for a specified UI object.
38 """
---> 39 _ui_dialog(ui, parent, BaseDialog.NONMODAL)
40
41 def ui_livemodal(ui, parent):
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/qt4/ui_live.pyc in _ui_dialog(ui, parent, style)
57 ui.owner = _LiveWindow()
58
---> 59 BaseDialog.display_ui(ui, parent, style)
60
61
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/qt4/ui_base.pyc in display_ui(ui, parent, style)
480 """Display the UI."""
481
--> 482 ui.owner.init(ui, parent, style)
483 ui.control = ui.owner.control
484 ui.control._parent = parent
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/qt4/ui_live.pyc in init(self, ui, parent, style)
175 bbox = None
176
--> 177 self.add_contents(panel(ui), bbox)
178
179 def close(self, rc=True):
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/qt4/ui_panel.pyc in panel(ui)
253 panel = None
254 if nr_groups == 1:
--> 255 panel = _GroupPanel(content[0], ui).control
256 elif nr_groups > 1:
257 panel = QtGui.QTabWidget()
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/qt4/ui_panel.pyc in __init__(self, group, ui, suppress_label)
590 layout = self._add_groups(content, inner)
591 else:
--> 592 layout = self._add_items(content, inner)
593 layout.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignTop)
594
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/qt4/ui_panel.pyc in _add_items(self, content, outer)
858 # that it is not None (otherwise the main TraitsUI code can change
859 # the "kind" of the created UI object).
--> 860 editor.prepare(inner)
861 control = editor.control
862
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/editor.pyc in prepare(self, parent)
154 self.context_object.on_trait_change( self._update_editor, name,
155 dispatch = 'ui' )
--> 156 self.init( parent )
157 self._sync_values()
158 self.update_editor()
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/qt4/compound_editor.pyc in init(self, parent)
65 editor = getattr( factory, self.kind )( self.ui, self.object,
66 self.name, self.description, None )
---> 67 editor.prepare(self.control)
68 layout.addWidget(editor.control)
69 editors.append(editor)
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/editor.pyc in prepare(self, parent)
154 self.context_object.on_trait_change( self._update_editor, name,
155 dispatch = 'ui' )
--> 156 self.init( parent )
157 self._sync_values()
158 self.update_editor()
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/editors/tuple_editor.pyc in init(self, parent)
92 widget.
93 """
---> 94 self._ts = ts = TupleStructure( self )
95 self._ui = ui = ts.view.ui( ts, parent, kind = 'subpanel' ).set(
96 parent = self.ui )
/Users/achabot/Library/Enthought/Canopy/edm/envs/User/lib/python2.7/site-packages/traitsui/editors/tuple_editor.pyc in __init__(self, editor)
161 # definition and default value:
162 content = []
--> 163 self.fields = len( object )
164 len_labels = len( labels )
165 len_editors = len( editors )
TypeError: object of type 'float' has no len()
