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WIP waveform fixed initial fetch of scan status in the case the scan is running during widget creation

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wyzula_j
2025-04-09 14:03:08 +02:00
committed by wakonig_k
parent 3d5dcced9c
commit ba42c65374
1 changed files with 22 additions and 10 deletions
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32
bec_widgets/widgets/plots/waveform/waveform.py
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@ -1415,7 +1415,6 @@ class Waveform(PlotBase):
found_sync = True found_sync = True
else: else:
logger.warning("Device {dev_name} not found in readout priority list.") logger.warning("Device {dev_name} not found in readout priority list.")
# Determine the mode of the scan # Determine the mode of the scan
if found_async and found_sync: if found_async and found_sync:
mode = "mixed" mode = "mixed"
@ -1449,18 +1448,31 @@ class Waveform(PlotBase):
logger.warning(f"Neither scan_id or scan_number was provided, fetching the latest scan") logger.warning(f"Neither scan_id or scan_number was provided, fetching the latest scan")
scan_index = -1 scan_index = -1
if scan_index is not None: if scan_index is None:
if len(self.client.history) == 0:
logger.info("No scans executed so far. Skipping scan history update.")
return
self.scan_item = self.client.history[scan_index]
metadata = self.scan_item.metadata
self.scan_id = metadata["bec"]["scan_id"]
else:
self.scan_id = scan_id self.scan_id = scan_id
self.scan_item = self.client.history.get_by_scan_id(scan_id) self.scan_item = self.client.history.get_by_scan_id(scan_id)
self._emit_signal_update()
return
if scan_index == -1:
scan_item = self.client.queue.scan_storage.current_scan
if scan_item is not None:
self.scan_item = scan_item
self.scan_id = scan_item.scan_id
self._emit_signal_update()
return
if len(self.client.history) == 0:
logger.info("No scans executed so far. Skipping scan history update.")
return
self.scan_item = self.client.history[scan_index]
metadata = self.scan_item.metadata
self.scan_id = metadata["bec"]["scan_id"]
self._emit_signal_update()
def _emit_signal_update(self):
self._categorise_device_curves() self._categorise_device_curves()
self.setup_dap_for_scan() self.setup_dap_for_scan()