fix(cli/rpc): server access children widget.find_widget_by_id(gui_id)

bec_widgets/cli/client.py

@@ -1,9 +1,8 @@
 # This file was automatically generated by generate_cli.py
 
+from bec_widgets.cli.client_utils import rpc_call, RPCBase, BECFigureClientMixin
 from typing import Literal, Optional, overload
 
-from bec_widgets.cli.client_utils import BECFigureClientMixin, RPCBase, rpc_call
-
 
 class BECPlotBase(RPCBase):
     @rpc_call
@@ -233,6 +232,16 @@ class BECWaveform1D(RPCBase):
             replot_last_scan(bool, optional): If True, replot the last scan. Defaults to False.
         """
 
+    @rpc_call
+    def get_all_data(self, output: "Literal['dict', 'pandas']" = "dict") -> "dict | pd.DataFrame":
+        """
+        Extract all curve data into a dictionary or a pandas DataFrame.
+        Args:
+            output (Literal["dict", "pandas"]): Format of the output data.
+        Returns:
+            dict | pd.DataFrame: Data of all curves in the specified format.
+        """
+
 
 class BECFigure(RPCBase, BECFigureClientMixin):
     @rpc_call
@@ -367,3 +376,11 @@ class BECCurve(RPCBase):
         Args:
             pen_style(Literal["solid", "dash", "dot", "dashdot"]): Style of the pen.
         """
+
+    @rpc_call
+    def get_data(self) -> "tuple[np.ndarray, np.ndarray]":
+        """
+        Get the data of the curve.
+        Returns:
+            tuple[np.ndarray,np.ndarray]: X and Y data of the curve.
+        """

bec_widgets/cli/server.py

@@ -5,14 +5,14 @@ from bec_lib import MessageEndpoints, messages
 from bec_widgets.utils import BECDispatcher
 from bec_widgets.utils.bec_connector import BECConnector
 from bec_widgets.widgets.figure import BECFigure
-from bec_widgets.widgets.plots import BECCurve, BECPlotBase, BECWaveform1D
+from bec_widgets.widgets.plots import BECCurve, BECWaveform1D
 
 
 class BECWidgetsCLIServer:
     WIDGETS = [BECWaveform1D, BECFigure, BECCurve]
 
-    def __init__(self, gui_id: str = None) -> None:
+    def __init__(self, gui_id: str = None, dispatcher: BECDispatcher = None) -> None:
-        self.dispatcher = BECDispatcher()
+        self.dispatcher = BECDispatcher() if dispatcher is None else dispatcher
         self.client = self.dispatcher.client
         self.client.start()
         self.gui_id = gui_id
@@ -22,6 +22,9 @@ class BECWidgetsCLIServer:
         self.dispatcher.connect_slot(
             self.on_rpc_update, MessageEndpoints.gui_instructions(self.gui_id)
         )
+
+    def start(self):
+        """Start the figure window."""
         self.fig.start()
 
     @staticmethod
@@ -59,10 +62,9 @@ class BECWidgetsCLIServer:
             return obj
         if self.fig.widgets:
             for widget in self.fig.widgets.values():
-                if isinstance(widget, BECWaveform1D):
+                item = widget.find_widget_by_id(gui_id)
-                    for curve in widget.curves:
+                if item:
-                        if curve.gui_id == gui_id:
+                    return item
-                            return curve
                 raise NotImplementedError(
                     f"gui_id lookup for widget of type {widget.__class__.__name__} not implemented"
                 )
@@ -107,3 +109,4 @@ if __name__ == "__main__":
 
     server = BECWidgetsCLIServer(gui_id=args.id)
     # server = BECWidgetsCLIServer(gui_id="test")
+    server.start()

bec_widgets/widgets/plots/waveform1d.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from collections import defaultdict
-from typing import Any, Literal, Optional
+from typing import Literal, Optional, Any
 
 import numpy as np
 import pyqtgraph as pg
@@ -72,6 +72,7 @@ class BECCurve(BECConnector, pg.PlotDataItem):
         "set_symbol_size",
         "set_pen_width",
         "set_pen_style",
+        "get_data",
     ]
 
     def __init__(
@@ -204,6 +205,15 @@ class BECCurve(BECConnector, pg.PlotDataItem):
         self.config.pen_style = pen_style
         self.apply_config()
 
+    def get_data(self) -> tuple[np.ndarray, np.ndarray]:
+        """
+        Get the data of the curve.
+        Returns:
+            tuple[np.ndarray,np.ndarray]: X and Y data of the curve.
+        """
+        x_data, y_data = self.getData()
+        return x_data, y_data
+
 
 class BECWaveform1D(BECPlotBase):
     USER_ACCESS = [
@@ -216,6 +226,7 @@ class BECWaveform1D(BECPlotBase):
         "get_curve",
         "get_curve_config",
         "apply_config",
+        "get_all_data",
     ]
     scan_signal_update = pyqtSignal()
 
@@ -254,6 +265,13 @@ class BECWaveform1D(BECPlotBase):
 
     # TODO check config assigning
     # TODO check the functionality of config generator
+    def find_widget_by_id(
+        self, item_id: str
+    ):  # TODO implement this on level of BECConnector and all other widgets
+        for curve in self.curves:
+            if curve.gui_id == item_id:
+                return curve
+
     def apply_config(self, config: dict | WidgetConfig, replot_last_scan: bool = False):
         """
         Apply the configuration to the 1D waveform widget.
@@ -273,8 +291,8 @@ class BECWaveform1D(BECPlotBase):
 
         self.apply_axis_config()
         # Reset curves
-        self.curves_data = defaultdict(dict)
+        self._curves_data = defaultdict(dict)
-        self.curves = []
+        self._curves = []
         for curve_id, curve_config in self.config.curves.items():
             self.add_curve_by_config(curve_config)
         if replot_last_scan:
@@ -291,7 +309,7 @@ class BECWaveform1D(BECPlotBase):
         self.gui_id = new_gui_id
         self.config.gui_id = new_gui_id
 
-        for curve_id, curve in self.curves_data.items():
+        for curve in self.curves:
             curve.config.parent_id = new_gui_id
 
     def add_curve_by_config(self, curve_config: CurveConfig | dict) -> BECCurve:
@@ -324,6 +342,31 @@ class BECWaveform1D(BECPlotBase):
                 else:
                     return curves[curve_id].config
 
+    @property
+    def curves(self) -> list[BECCurve]:  # TODO discuss if it should be marked as @property for RPC
+        """
+        Get the curves of the plot widget as a list
+        Returns:
+            list: List of curves.
+        """
+        return self._curves
+
+    @curves.setter
+    def curves(self, value: list[BECCurve]):
+        self._curves = value
+
+    @property
+    def curves_data(self) -> dict:  # TODO discuss if it should be marked as @property for RPC
+        """
+        Get the curves data of the plot widget as a dictionary
+        Returns:
+            dict: Dictionary of curves data.
+        """
+        return self._curves_data
+
+    @curves_data.setter
+    def curves_data(self, value: dict):
+        self._curves_data = value
 
     def get_curve(self, identifier) -> BECCurve:
         """

tests/test_waveform1d.py

@@ -140,8 +140,9 @@ def test_getting_curve(bec_figure):
             y=SignalData(name="bpm4i", entry="bpm4i", unit=None, modifier=None),
         ),
     )
-    assert w1.get_curves()[0].config == c1_expected_config
+
-    assert w1.get_curves_data()["scan_segment"]["bpm4i-bpm4i"].config == c1_expected_config
+    assert w1.curves[0].config == c1_expected_config
+    assert w1.curves_data["scan_segment"]["bpm4i-bpm4i"].config == c1_expected_config
     assert w1.get_curve(0).config == c1_expected_config
     assert w1.get_curve("bpm4i-bpm4i").config == c1_expected_config
     assert c1.get_config(False) == c1_expected_config