from pyrocko import util
from pyrocko.gui import marker as pm
from pyrocko.example import get_example_data

# Download example markers
get_example_data('my_markers.pf')

markers = pm.load_markers('my_markers.pf')
pm.associate_phases_to_events(markers)

for marker in markers:
    print(util.time_to_str(marker.tmin), util.time_to_str(marker.tmax))

    # only event and phase markers have an event attached
    if isinstance(marker, (pm.EventMarker, pm.PhaseMarker)):
        ev = marker.get_event()
        print(ev)  # may be shared between markers