def cl_selector(request):
cl_name = request.param
if cl_name == 'caproto':
pytest.importorskip('caproto')
elif cl_name == 'pyepics':
pytest.importorskip('epics')
set_cl(cl_name)
yield
set_cl()
def cl_selector(request):
cl_name = request.param
if cl_name == 'caproto':
pytest.importorskip('caproto')
logging.getLogger('caproto.bcast').setLevel('INFO')
elif cl_name == 'pyepics':
pytest.importorskip('epics')
set_cl(cl_name)
yield
set_cl()
def cl_selector(request):
cl_name = request.param
if cl_name == 'caproto':
pytest.importorskip('caproto')
logging.getLogger('caproto.bcast').setLevel('INFO')
elif cl_name == 'pyepics':
pytest.importorskip('epics')
set_cl(cl_name)
yield
set_cl()
def patch_and_use_dummy_shim():
"""
Hack ophyd and its dummy shim. We don't want _any_ control-layer
connections being made while we're looking for signals.
Warning
-------
Under no circumstances should this be used in a production environment
where you intend to actually _use_ ophyd for its intended purpose.
"""
ophyd.Device.lazy_wait_for_connection = False
def _no_op(*args, **kwargs):
...
class _PVStandIn:
_reference_count = 0
def __init__(self, pvname, *args, **kwargs):
self.pvname = pvname
self.connected = True
add_callback = _no_op
remove_callback = _no_op
clear_callbacks = _no_op
get = _no_op
put = _no_op
get_with_metadata = _no_op
wait_for_connection = _no_op
def get_pv(pvname, *args, **kwargs):
return _PVStandIn(pvname)
from ophyd import _dummy_shim
_dummy_shim.get_pv = get_pv
_dummy_shim.release_pvs = _no_op
ophyd.set_cl("dummy")
