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Support serialization of binary types on ReactiveHTML #2400

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merged 1 commit into from Jun 16, 2021
Merged

Support serialization of binary types on ReactiveHTML #2400

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19 changes: 14 additions & 5 deletions panel/models/reactive_html.py
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Expand Up @@ -7,7 +7,7 @@
import bokeh.core.properties as bp
import param as pm

from bokeh.models import HTMLBox, LayoutDOM
from bokeh.models import ColumnDataSource, HTMLBox, LayoutDOM
from bokeh.model import DataModel
from bokeh.events import ModelEvent

Expand Down Expand Up @@ -141,10 +141,15 @@ def find_attrs(html):


PARAM_MAPPING = {
pm.Array: lambda p, kwargs: bp.Array(**kwargs),
pm.Boolean: lambda p, kwargs: bp.Bool(**kwargs),
pm.CalendarDate: lambda p, kwargs: bp.Date(**kwargs),
pm.CalendarDateRange: lambda p, kwargs: bp.Tuple(bp.Date, bp.Date, **kwargs),
pm.Color: lambda p, kwargs: bp.Color(**kwargs),
pm.DataFrame: lambda p, kwargs: (
bp.ColumnData(bp.Any, bp.Seq(bp.Any), **kwargs),
[(bp.PandasDataFrame, lambda x: ColumnDataSource._data_from_df(x))]
),
pm.DateRange: lambda p, kwargs: bp.Tuple(bp.Datetime, bp.Datetime, **kwargs),
pm.Date: lambda p, kwargs: bp.Datetime(**kwargs),
pm.Dict: lambda p, kwargs: bp.Dict(bp.String, bp.Any, **kwargs),
Expand Down Expand Up @@ -175,11 +180,15 @@ def construct_data_model(parameterized, name=None, ignore=[], types={}):
nullable = getattr(p, 'allow_None', False)
kwargs = {'default': p.default, 'help': p.doc}
if prop is None:
properties[pname] = bp.Any(**kwargs)
elif nullable:
properties[pname] = bp.Nullable(prop(p, {}), **kwargs)
bk_prop, accepts = bp.Any(**kwargs), []
else:
properties[pname] = prop(p, kwargs)
bkp = prop(p, {} if nullable else kwargs)
bk_prop, accepts = bkp if isinstance(bkp, tuple) else (bkp, [])
if nullable:
bk_prop = bp.Nullable(bk_prop, **kwargs)
for bkp, convert in accepts:
bk_prop = bk_prop.accepts(bkp, convert)
properties[pname] = bk_prop
name = name or parameterized.name
return type(name, (DataModel,), properties)

Expand Down