57 lines
2.0 KiB
Python
57 lines
2.0 KiB
Python
from __future__ import annotations
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from backend.node_registry import register_node
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from backend.execution_context import emit_table, emit_value
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from backend.data_types import RecordTable
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from backend.nodes.helpers import _measurement_entry, _measurement_value, _scalar_payload, parse_number_with_unit
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@register_node(display_name="Value Display")
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class ValueIO:
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"number_input": ("STRING", {
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"text_input": True,
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"default": "0",
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"placeholder": "e.g. 1.5 nm",
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"hide_when_input_connected": "value",
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"hide_label": True,
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}),
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"measurement": ("STRING", {
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"default": "",
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"choices_from_measure_input": "value",
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"show_when_source_type": {
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"value": ["RECORD_TABLE"],
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},
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}),
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},
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"optional": {
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"value": ("FLOAT", {
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"accepted_types": ["RECORD_TABLE"],
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"socket_only": True,
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}),
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},
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}
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OUTPUTS = (
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('FLOAT', 'value'),
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)
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FUNCTION = "display_value"
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DESCRIPTION = "Display a FLOAT, or a selected numeric row from a measurement table, and pass the value through unchanged."
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def display_value(self, number_input: str = "0", value=None, measurement: str = "") -> tuple:
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unit = ""
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if isinstance(value, RecordTable):
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emit_table(value)
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row = _measurement_entry(value, measurement)
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numeric = _measurement_value(value, measurement)
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unit = row.get("unit", "") if isinstance(row.get("unit"), str) else ""
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elif value is not None:
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numeric = float(value)
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else:
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numeric, unit = parse_number_with_unit(str(number_input))
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emit_value(_scalar_payload(numeric, unit))
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return (numeric,)
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