Function _get_epochs

mne/conftest.py:378–399

Get epochs.

(stop=5, meg=True, eeg=False, n_chan=20)

def _get_epochs(stop=5, meg=True, eeg=False, n_chan=20):
    """Get epochs."""
    raw = read_raw_fif(fname_raw_io)
    events = read_events(fname_event_io)
    picks = pick_types(
        raw.info, meg=meg, eeg=eeg, stim=False, ecg=False, eog=False, exclude="bads"
    )
    # Use a subset of channels for plotting speed
    picks = np.round(np.linspace(0, len(picks) + 1, n_chan)).astype(int)
    with pytest.warns(RuntimeWarning, match="projection"):
        epochs = Epochs(
            raw,
            events[:stop],
            event_id,
            tmin,
            tmax,
            picks=picks,
            proj=False,
            preload=False,
        )
    epochs.info.normalize_proj()  # avoid warnings
    return epochs


@pytest.fixture()