def _dump(self):
d = dict(
counts=self.counts,
last_shot_time=generate_datetimestamp()
)
return d
def add_shot(self, **kw):
'''
@type **kw: C{str}
@param **kw:
'''
n = len(self.history)
shot = LaserShot(id=n, timestamp=generate_datetimestamp(), **kw)
self.history.append(shot)
self.__dump()
def add_shot(self, **kw):
'''
@type **kw: C{str}
@param **kw:
'''
n = len(self.history)
shot = LaserShot(id=n,
timestamp=generate_datetimestamp(),
**kw)
self.history.append(shot)
self.__dump()
def add_time_stamped_value(self, value, frame_key=None, rawtime=False):
'''
'''
if frame_key is None:
frame_key = self._current_frame
frame = self._get_frame(frame_key)
if frame is not None:
if rawtime:
if self.time_gen is None:
self.time_gen = time_generator()
t = 0
else:
t = self.time_gen.next()
else:
t = generate_datetimestamp()
datum = (t, value)
self.new_writer(frame, datum)
def add_time_stamped_value(self, value, frame_key=None, rawtime=False):
'''
'''
if frame_key is None:
frame_key = self._current_frame
frame = self._get_frame(frame_key)
if frame is not None:
if rawtime:
if self.time_gen is None:
self.time_gen = time_generator()
t = 0
else:
t = next(self.time_gen)
else:
t = generate_datetimestamp()
datum = (t, value)
self.new_writer(frame, datum)
def _scan_(self, *args):
if self.scan_func:
try:
v = getattr(self, self.scan_func)(verbose=False)
except AttributeError as e:
print('exception', e)
return
if v is not None:
# self.debug('current scan value={}'.format(v))
self.current_scan_value = str(v)
# self.debug('current scan func={}, value ={}'.format(self.scan_func, v))
x = None
if self.graph_scan_data:
self.debug('graphing scan data')
if isinstance(v, tuple):
x = self.graph.record_multiple(v)
elif isinstance(v, PlotRecord):
for pi, d in zip(v.plotids, v.data):
if isinstance(d, tuple):
x = self.graph.record_multiple(d, plotid=pi)
else:
x = self.graph.record(d, plotid=pi)
v = v.as_data_tuple()
else:
x = self.graph.record(v)
v = (v,)
if self.record_scan_data:
self.debug('recording scan data')
if x is None:
x = time.time()
if self.dm_kind == 'csv':
ts = generate_datetimestamp()
self.data_manager.write_to_frame((ts, '{:<8s}'.format('{:0.2f}'.format(x))) + v)
else:
tab = self.data_manager.get_table('scan1', '/scans')
if tab is not None:
r = tab.row
r['time'] = x
r['value'] = v[0]
r.append()
tab.flush()
self._scan_hook(v)
else:
'''
scan func must return a value or we will stop the scan
since the timer runs on the main thread any long comms timeouts
slow user interaction
'''
if self._no_response_counter > 3:
self.timer.Stop()
self.info('no response. stopping scan func={}'.format(self.scan_func))
self._scanning = False
self._no_response_counter = 0
else:
self._no_response_counter += 1
