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Support for "running" callback argument. #510

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Support for "running" callback argument. #510

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10 changes: 10 additions & 0 deletions django_plotly_dash/_callback.py
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,15 @@ def register_callback(
insert_output = flatten_grouping(output)
multi = True

running = _kwargs.get("running")
if running is not None:
if not isinstance(running[0], (list, tuple)):
running = [running]
running = {
"running": {str(r[0]): r[1] for r in running},
"runningOff": {str(r[0]): r[2] for r in running},
}

output_indices = make_grouping_by_index(output, list(range(grouping_len(output))))
callback_id = insert_callback(
callback_list,
Expand All @@ -62,6 +71,7 @@ def register_callback(
flat_state,
inputs_state_indices,
prevent_initial_call,
running=running,
)

# pylint: disable=too-many-locals
Expand Down
13 changes: 11 additions & 2 deletions django_plotly_dash/dash_wrapper.py
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Original file line number Diff line number Diff line change
Expand Up @@ -339,6 +339,9 @@ def callback(self, *_args, **_kwargs):
'state': state,
'prevent_initial_call': prevent_initial_call}

if 'running' in _kwargs:
callback_set['running'] = _kwargs['running']

def wrap_func(func):
self._callback_sets.append((callback_set, func))
# add an expanded attribute to the function with the information to use in dispatch_with_args
Expand Down Expand Up @@ -601,18 +604,24 @@ def _fix_callback_item(self, item):
item.component_id = self._fix_id(item.component_id)
return item

def callback(self, output, inputs, state, prevent_initial_call):
def callback(self, output, inputs, state, prevent_initial_call, running=None):
'Invoke callback, adjusting variable names as needed'

if isinstance(output, (list, tuple)):
fixed_outputs = [self._fix_callback_item(x) for x in output]
else:
fixed_outputs = self._fix_callback_item(output)

if isinstance(running, list):
fixed_running = [(self._fix_callback_item(out), on, off) for out, on, off in running]
else:
fixed_running = running

return super().callback(fixed_outputs,
[self._fix_callback_item(x) for x in inputs],
[self._fix_callback_item(x) for x in state],
prevent_initial_call=prevent_initial_call)
prevent_initial_call=prevent_initial_call,
running=fixed_running)

def clientside_callback(self, clientside_function, output, inputs, state, prevent_initial_call): # pylint: disable=dangerous-default-value
'Invoke callback, adjusting variable names as needed'
Expand Down