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- import logging
- def get_background_frames(p1_metadata, flags):
- onset_frame_first_stimulus = p1_metadata.pulsed_stimuli_handler.get_first_stimulus_onset_frame()
- default_background = flags["LE_DefaultBackgroundRange"]
- if flags["LE_StimulusBasedBackground"] and onset_frame_first_stimulus is not None:
- LE_StartBackground = flags["LE_StartBackground"]
- LE_PrestimEndBackground = flags["LE_PrestimEndBackground"]
- end_background = onset_frame_first_stimulus - LE_PrestimEndBackground
- if end_background <= LE_StartBackground:
- logging.getLogger("VIEW").warning(
- f"Encountered end_background <= start_background, which is invalid. "
- f"Defaulting to the background range {default_background}")
- return default_background
- else:
- return (LE_StartBackground, end_background)
- else:
- logging.getLogger("VIEW").warning(
- f"No stimuli information specified in measurement list file. "
- f"Defaulting to the background range {default_background}")
- return default_background
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