Tango recipe: obtain all device names of a given class (using tango)

get_tg_devs_for_class.py

# Inspired in https://tango-controls.readthedocs.io/en/latest/tutorials-and-howtos/how-tos/how-to-pytango.html#using-database-object

import tango

class_name = 'TangoTest'
db = tango.Database()

devnames = []
for name in db.get_instance_name_list(class_name):
    server_name = '/'.join((class_name, name))
    for devname in db.get_device_class_list(server_name)[::2]:
        if not devname.lower().startswith('dserver/'):
            devnames.append(devname)

print(devnames)