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support range() as keyword argument for go.Scatter #1798
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That's correct, as per the error message: |
Technically, this is not exactly the case: In [1]: a = range(1, 20, 3)
In [2]: len(a)
Out[2]: 7
In [3]: a[3]
Out[3]: 10 Hence, it walks like a list and quacks like a list, so it should be relatively straightforward to add support for it. |
Hi - we are currently trying to tidy up Plotly's public repositories to help us focus our efforts on things that will help users most. Since this issue has been sitting for several years, I'm going to close it. If it's still a concern, we'd be grateful if you could open a new issue (with a short reproducible example if appropriate) so that we can add it to our backlog. Thanks for your help - @gvwilson |
Fixes plotly#1798 (incorrectly closed during a recent cleanup). Allows range() to be passed where simple arrays are expected. Previously the following code ```python import plotly.graph_objects as go go.Figure(go.Scatter(x=range(3), y=[3, 2, 1])) ``` failed with ``` --------------------------------------------------------------------------- ValueError Traceback (most recent call last) <ipython-input-1-be3f9396b95f> in <cell line: 2>() 1 import plotly.graph_objects as go ----> 2 go.Figure(go.Scatter(x=range(3), y=[3, 2, 1])) 5 frames /usr/local/lib/python3.10/dist-packages/plotly/graph_objs/_scatter.py in __init__(self, arg, alignmentgroup, cliponaxis, connectgaps, customdata, customdatasrc, dx, dy, error_x, error_y, fill, fillcolor, fillpattern, groupnorm, hoverinfo, hoverinfosrc, hoverlabel, hoveron, hovertemplate, hovertemplatesrc, hovertext, hovertextsrc, ids, idssrc, legend, legendgroup, legendgrouptitle, legendrank, legendwidth, line, marker, meta, metasrc, mode, name, offsetgroup, opacity, orientation, selected, selectedpoints, showlegend, stackgaps, stackgroup, stream, text, textfont, textposition, textpositionsrc, textsrc, texttemplate, texttemplatesrc, uid, uirevision, unselected, visible, x, x0, xaxis, xcalendar, xhoverformat, xperiod, xperiod0, xperiodalignment, xsrc, y, y0, yaxis, ycalendar, yhoverformat, yperiod, yperiod0, yperiodalignment, ysrc, **kwargs) 3476 _v = x if x is not None else _v 3477 if _v is not None: -> 3478 self["x"] = _v 3479 _v = arg.pop("x0", None) 3480 _v = x0 if x0 is not None else _v /usr/local/lib/python3.10/dist-packages/plotly/basedatatypes.py in __setitem__(self, prop, value) 4871 # ### Handle simple property ### 4872 else: -> 4873 self._set_prop(prop, value) 4874 else: 4875 # Make sure properties dict is initialized /usr/local/lib/python3.10/dist-packages/plotly/basedatatypes.py in _set_prop(self, prop, val) 5215 return 5216 else: -> 5217 raise err 5218 5219 # val is None /usr/local/lib/python3.10/dist-packages/plotly/basedatatypes.py in _set_prop(self, prop, val) 5210 5211 try: -> 5212 val = validator.validate_coerce(val) 5213 except ValueError as err: 5214 if self._skip_invalid: /usr/local/lib/python3.10/dist-packages/_plotly_utils/basevalidators.py in validate_coerce(self, v) 401 v = to_scalar_or_list(v) 402 else: --> 403 self.raise_invalid_val(v) 404 return v 405 /usr/local/lib/python3.10/dist-packages/_plotly_utils/basevalidators.py in raise_invalid_val(self, v, inds) 285 name += "[" + str(i) + "]" 286 --> 287 raise ValueError( 288 """ 289 Invalid value of type {typ} received for the '{name}' property of {pname} ValueError: Invalid value of type 'builtins.range' received for the 'x' property of scatter Received value: range(0, 3) The 'x' property is an array that may be specified as a tuple, list, numpy array, or pandas Series ``` (tested via [Google Colab](https://colab.research.google.com/notebooks/empty.ipynb)) After this change, it is possible to use `range()` in this context. A potential concern is Python 2 support — there, `range()` is a plain list. I have not tested this with Python 2.
In Jupyter notebook:
Output:
Plotly is installed from Arch Linux AUR, based on version 4.1.0, built using this script.
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