Set PlaneInfo with deltaT values for an Image in OMERO

set_timestamps.py

import omero
from omero.gateway import BlitzGateway
from omero.model.enums import UnitsTime
from omero.model import PlaneInfoI
from omero.rtypes import rint, unwrap


conn = BlitzGateway("user", "password", host="eel.openmicroscopy.org", port=14064)
conn.connect()

imageId = 24552;
deltaT = 300

image = conn.getObject("Image", imageId);

params = omero.sys.ParametersI()
params.addLong('pid', image.getPixelsId())
query = "from PlaneInfo as Info where"\
    " Info.theZ=0 and Info.theC=0 and pixels.id=:pid"
info_list = conn.getQueryService().findAllByQuery(
    query, params, conn.SERVICE_OPTS)

print 'info_list', len(info_list)

if len(info_list) == 0:
    print "Creating info...", image.getSizeT()
    info_list = []
    for t_index in range(image.getSizeT()):
        print '  t', t_index
        info = PlaneInfoI()
        info.theT = rint(t_index)
        info.theZ = rint(0)
        info.theC = rint(0)
        info.pixels = omero.model.PixelsI(image.getPixelsId(), False)
        dt = t_index * deltaT
        u = omero.model.TimeI(dt, UnitsTime.SECOND)
        info.deltaT = u
        info_list.append(info)

else:
    for info in info_list:
        print 'theT', unwrap(info.theT), 'theZ', unwrap(info.theZ), 'theT', unwrap(info.theT)
        t_index = info.theT.getValue()

        dt = t_index * deltaT
        u = omero.model.TimeI(dt, UnitsTime.SECOND)
        info.deltaT = u

print "Saving info_list", len(info_list)
conn.getUpdateService().saveArray(info_list)
conn.close()