def caput(pvname, value, timeout=1.0, **kw):
try:
pv = Pv(pvname)
pv.connect(timeout)
pv.get(ctrl=False, timeout=timeout)
try:
if kw['enum']:
pv.set_string_enum(True)
except:
pass
pv.put(value, timeout=timeout)
pv.disconnect()
except pyca.pyexc, e:
print 'pyca exception: %s' % (e)
def caget(pvname, timeout=1.0, **kw):
try:
pv = Pv(pvname)
pv.connect(timeout)
try:
if kw['enum']:
pv.set_string_enum(True)
except:
pass
pv.get(ctrl=False, timeout=timeout)
v = pv.value
pv.disconnect()
return v
except pyca.pyexc as e:
print('pyca exception: %s' % (e))
return None
except pyca.caexc as e:
print('channel access exception: %s' % (e))
return None