set2bids - 2 bugs on set files.

[regisoc]

Describe the bug
When trying to upload/parse a .set file two types of behaviour appeared.
Extracted from: https://docs.google.com/document/d/104zOjSfpGifbEgERGuI-6UTma1i_r4rHlmKc0ZSFl-o/edit?usp=sharing

Browser Environment (please complete the following information):

• OS: Manjaro Linux x86_64
• Kernel: 6.1.53-1-MANJARO
• python: 3.8.18
• node: v16.20.1
• npm: v8.19.4

List

Case 1: `Cannot read file - list index out of range`

Logs:
Case 1:

127.0.0.1 - - [22/Nov/2023 10:45:55] "GET /socket.io/?EIO=4&transport=polling HTTP/1.1" 200 242 0.000417
(3541620) accepted ('127.0.0.1', 43558)
connect:  9bU2t8_FzNRciT9nAAAC
get_set_data: {'files': [{'path': '/home/seden/work/bids/1234-1234-FACE.set', 'task': 'FACE', 'run': 1}]}
{'files': [{'path': '/home/seden/work/bids/1234-1234-FACE.set', 'task': 'FACE', 'run': 1}], 'subjectID': '', 'recordingID': '', 'date': '2000-01-01 00:00:00', 'fileFormat': 'set'}
get_set_data: {'files': [{'path': '/home/seden/work/bids/1234_1234_FACE.set', 'task': 'FACE', 'run': 1}]}
{'files': [{'path': '/home/seden/work/bids/1234_1234_FACE.set', 'task': 'FACE', 'run': 1}], 'subjectID': '', 'recordingID': '', 'date': '2000-01-01 00:00:00', 'fileFormat': 'set'}
BIDS Conversion - START
eeg_to_bids:  {'eegData': {'files': [{'path': '/home/seden/work/bids/1234_1234_FACE.set', 'task': 'FACE', 'run': 1}], 'subjectID': '', 'recordingID': '', 'date': '2000-01-01T05:00:00.000Z', 'fileFormat': 'set'}, 'fileFormat': 'set', 'eegRuns': [{'eegFile': '/home/seden/work/bids/1234_1234_FACE.set', 'eegBIDSBasename': None, 'eventFile': None, 'task': 'FACE', 'run': 1}], 'modality': 'eeg', 'bids_directory': '/home/seden/work/EEG2BIDS_output', 'read_only': False, 'event_files': '', 'site_id': '', 'project_id': '', 'sub_project_id': '', 'session': '1234', 'participantID': '1234', 'preparedBy': 'roc', 'bidsMetadata': '', 'reference': '1234', 'powerLineFreq': '50', 'subject_id': '', 'outputFilename': '1234_1234_bids', 'age': 'n/a', 'sex': 'n/a', 'project': 'n/a', 'cohort': 'n/a'}
eeg_to_bids_thread: {'eegData': {'files': [{'path': '/home/seden/work/bids/1234_1234_FACE.set', 'task': 'FACE', 'run': 1}], 'subjectID': '', 'recordingID': '', 'date': '2000-01-01T05:00:00.000Z', 'fileFormat': 'set'}, 'fileFormat': 'set', 'eegRuns': [{'eegFile': '/home/seden/work/bids/1234_1234_FACE.set', 'eegBIDSBasename': None, 'eventFile': None, 'task': 'FACE', 'run': 1}], 'modality': 'eeg', 'bids_directory': '/home/seden/work/EEG2BIDS_output', 'read_only': False, 'event_files': '', 'site_id': '', 'project_id': '', 'sub_project_id': '', 'session': '1234', 'participantID': '1234', 'preparedBy': 'roc', 'bidsMetadata': '', 'reference': '1234', 'powerLineFreq': '50', 'subject_id': '', 'outputFilename': '1234_1234_bids', 'age': 'n/a', 'sex': 'n/a', 'project': 'n/a', 'cohort': 'n/a'}
- Time: init started.
- Converter: init started.
Traceback (most recent call last):
  File "/home/seden/work/EEG2BIDS/python/libs/iEEG.py", line 286, in to_bids
	raw = mne.io.read_raw_eeglab(input_fname=file, preload=False, verbose=True)
  File "/home/seden/work/EEG2BIDS/python/lib/python3.8/site-packages/mne/io/eeglab/eeglab.py", line 311, in read_raw_eeglab
	return RawEEGLAB(
  File "<decorator-gen-305>", line 10, in __init__
  File "/home/seden/work/EEG2BIDS/python/lib/python3.8/site-packages/mne/io/eeglab/eeglab.py", line 432, in __init__
	raise TypeError(
TypeError: The number of trials is 23. It must be 1 for raw files. Please use `mne.io.read_epochs_eeglab` if the .set file contains epochs.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/seden/work/EEG2BIDS/python/libs/iEEG.py", line 289, in to_bids
	raw = mne.io.read_epochs_eeglab(input_fname=file, verbose=True)
  File "/home/seden/work/EEG2BIDS/python/lib/python3.8/site-packages/mne/io/eeglab/eeglab.py", line 377, in read_epochs_eeglab
	epochs = EpochsEEGLAB(
  File "<decorator-gen-306>", line 10, in __init__
  File "/home/seden/work/EEG2BIDS/python/lib/python3.8/site-packages/mne/io/eeglab/eeglab.py", line 644, in __init__
	events[idx, 0] = event_latencies[idx]
IndexError: list index out of range

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/seden/work/EEG2BIDS/python/eeg2bids.py", line 436, in eeg_to_bids_thread
	iEEG.Converter(data)  # EDF to BIDS format.
  File "/home/seden/work/EEG2BIDS/python/libs/iEEG.py", line 219, in __init__
	eegRun['eegBIDSBasename'] = self.to_bids(
  File "/home/seden/work/EEG2BIDS/python/libs/iEEG.py", line 291, in to_bids
	raise ReadError(ex)
python.libs.iEEG.ReadError: list index out of range

{'error': 'Cannot read file - list index out of range'}
{'error': 'Cannot read file - list index out of range'}

Case 2: `Cannot read file - The file does not seem to contain epochs (trials less than 2). You should try using read_raw_eeglab function.`

BIDS Conversion - START
eeg_to_bids:  {'eegData': {'files': [{'path': '/home/seden/work/bids/1234_1234_FACE.set', 'task': 'FACE', 'run': 1}], 'subjectID': '', 'recordingID': '', 'date': '2000-01-01T05:00:00.000Z', 'fileFormat': 'set'}, 'fileFormat': 'set', 'eegRuns': [{'eegFile': '/home/seden/work/bids/1234_1234_FACE.set', 'eegBIDSBasename': None, 'eventFile': None, 'task': 'FACE', 'run': 1}], 'modality': 'eeg', 'bids_directory': '/home/seden/work/EEG2BIDS_output', 'read_only': False, 'event_files': '', 'site_id': '', 'project_id': '', 'sub_project_id': '', 'session': '1234', 'participantID': '1234', 'preparedBy': 'roc', 'bidsMetadata': '', 'reference': '1234', 'powerLineFreq': '50', 'subject_id': '', 'outputFilename': '1234_1234_bids', 'age': 'n/a', 'sex': 'n/a', 'project': 'n/a', 'cohort': 'n/a'}
eeg_to_bids_thread: {'eegData': {'files': [{'path': '/home/seden/work/bids/1234_1234_FACE.set', 'task': 'FACE', 'run': 1}], 'subjectID': '', 'recordingID': '', 'date': '2000-01-01T05:00:00.000Z', 'fileFormat': 'set'}, 'fileFormat': 'set', 'eegRuns': [{'eegFile': '/home/seden/work/bids/1234_1234_FACE.set', 'eegBIDSBasename': None, 'eventFile': None, 'task': 'FACE', 'run': 1}], 'modality': 'eeg', 'bids_directory': '/home/seden/work/EEG2BIDS_output', 'read_only': False, 'event_files': '', 'site_id': '', 'project_id': '', 'sub_project_id': '', 'session': '1234', 'participantID': '1234', 'preparedBy': 'roc', 'bidsMetadata': '', 'reference': '1234', 'powerLineFreq': '50', 'subject_id': '', 'outputFilename': '1234_1234_bids', 'age': 'n/a', 'sex': 'n/a', 'project': 'n/a', 'cohort': 'n/a'}
- Time: init started.
- Converter: init started.
/home/seden/work/EEG2BIDS/python/libs/iEEG.py:286: RuntimeWarning: Estimated head radius (0.9 cm) is below the 3rd percentile for infant head size. Check if the montage_units argument is correct (the default is "mm", but your channel positions may be in different units).
  raw = mne.io.read_raw_eeglab(input_fname=file, preload=False, verbose=True)
Traceback (most recent call last):
  File "/home/seden/work/EEG2BIDS/python/libs/iEEG.py", line 286, in to_bids
	raw = mne.io.read_raw_eeglab(input_fname=file, preload=False, verbose=True)
  File "/home/seden/work/EEG2BIDS/python/lib/python3.8/site-packages/mne/io/eeglab/eeglab.py", line 311, in read_raw_eeglab
	return RawEEGLAB(
  File "<decorator-gen-305>", line 10, in __init__
  File "/home/seden/work/EEG2BIDS/python/lib/python3.8/site-packages/mne/io/eeglab/eeglab.py", line 444, in __init__
	data_fname = _check_eeglab_fname(input_fname, eeg.data)
  File "/home/seden/work/EEG2BIDS/python/lib/python3.8/site-packages/mne/io/eeglab/eeglab.py", line 69, in _check_eeglab_fname
	raise FileNotFoundError(msg.format(data_fname, fdt_from_set_fname))
FileNotFoundError: Could not find the .fdt data file, tried /home/seden/work/bids/sub-015_task-path_eeg.fdt and /home/seden/work/bids/1234_1234_FACE.fdt.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/seden/work/EEG2BIDS/python/libs/iEEG.py", line 289, in to_bids
	raw = mne.io.read_epochs_eeglab(input_fname=file, verbose=True)
  File "/home/seden/work/EEG2BIDS/python/lib/python3.8/site-packages/mne/io/eeglab/eeglab.py", line 377, in read_epochs_eeglab
	epochs = EpochsEEGLAB(
  File "<decorator-gen-306>", line 10, in __init__
  File "/home/seden/work/EEG2BIDS/python/lib/python3.8/site-packages/mne/io/eeglab/eeglab.py", line 595, in __init__
	raise ValueError(
ValueError: The file does not seem to contain epochs (trials less than 2). You should try using read_raw_eeglab function.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/seden/work/EEG2BIDS/python/eeg2bids.py", line 436, in eeg_to_bids_thread
	iEEG.Converter(data)  # EDF to BIDS format.
  File "/home/seden/work/EEG2BIDS/python/libs/iEEG.py", line 219, in __init__
	eegRun['eegBIDSBasename'] = self.to_bids(
  File "/home/seden/work/EEG2BIDS/python/libs/iEEG.py", line 291, in to_bids
	raise ReadError(ex)
python.libs.iEEG.ReadError: The file does not seem to contain epochs (trials less than 2). You should try using read_raw_eeglab function.

{'error': 'Cannot read file - The file does not seem to contain epochs (trials less than 2). You should try using read_raw_eeglab function.'}
{'error': 'Cannot read file - The file does not seem to contain epochs (trials less than 2). You should try using read_raw_eeglab function.'}
BIDS Conversion - END