This is example script for https://github.com/openmicroscopy/openmicroscopy/pull/4730

share-group.py

import omero, os

host = "localhost" 
port = 4064 
user = "user-1"
password = "ome"

c = omero.client(host=host, port=port)
s = c.createSession(user, password)

share_service = s.getShareService()

public_user = s.getAdminService().lookupExperimenter('public')
gid = s.getAdminService().getEventContext().groupId
group = s.getAdminService().getGroup(gid)

sid = share_service.createShare("this is test for rwrar- group shared with public user", None, [group], [public_user], [], True)

print 'Share ID:', sid

s.closeOnDestroy()
c.closeSession()
c.__del__()