def run(self):
# TODO: This needs to be redone; maybe use string.template?
try:
attribute = Attribute(str(self.model) + "/State")
if attribute:
value = attribute.read()
html = json.dumps('Value: ' +
'<span class="value">%s</span>'
% value.value)
self.finished.emit(self.model, html)
except PyTango.DevFailed as e:
print e
def run(self):
# TODO: This needs to be redone; maybe use string.template?
try:
attribute = Attribute(str(self.model) + "/State")
if attribute:
value = attribute.read()
html = json.dumps('Value: ' +
'<span class="value">%s</span>'
% value.value)
self.finished.emit(self.model, html)
except PyTango.DevFailed as e:
print e
class SardanaChannel(ChannelObject, SardanaObject):
def __init__(self,
name,
attribute_name,
username=None,
uribase=None,
polling=None,
**kwargs):
super(SardanaChannel, self).__init__(name, username, **kwargs)
class ChannelInfo(object):
def __init__(self):
super(ChannelInfo, self).__init__()
self.attributeName = attribute_name
self.model = os.path.join(uribase, attribute_name)
self.attribute = None
self.value = None
self.polling = polling
self.info = ChannelInfo()
self.info.minval = None
self.info.maxval = None
self.init_device()
def init_device(self):
try:
self.attribute = Attribute(self.model)
#
# DIRTY FIX to make compatible taurus listeners and existence of Tango channels/commands
# as defined in Command/Tango.py
#
# if self.attribute.__class__ == taurus.core.tango.tangoattribute.TangoAttribute:
# dev = self.attribute.getParentObj()
# dp = dev.getHWObj()
# try:
# dp.subscribe_event = dp._subscribe_event
# except AttributeError:
# pass
# logging.getLogger("HWR").debug("initialized")
except DevFailed as traceback:
self.imported = False
return
# read information
try:
if taurus.Release.version_info[0] == 3:
ranges = self.attribute.getConfig().getRanges()
if ranges is not None and ranges[0] != "Not specified":
self.info.minval = float(ranges[0])
if ranges is not None and ranges[-1] != "Not specified":
self.info.maxval = float(ranges[-1])
elif taurus.Release.version_info[0] > 3: # taurus 4 and beyond
minval, maxval = self.attribute.ranges()
self.info.minval = minval.magnitude
self.info.maxval = maxval.magnitude
except BaseException:
import traceback
logging.getLogger("HWR").info(
"info initialized. Cannot get limits")
logging.getLogger("HWR").info("%s" % traceback.format_exc())
# prepare polling
# if the polling value is a number set it as the taurus polling period
if self.polling:
if isinstance(self.polling, types.IntType):
self.attribute.changePollingPeriod(self.polling)
self.attribute.addListener(self.objectListener)
def getValue(self):
return self._readValue()
def setValue(self, newValue):
self._writeValue(newValue)
def _writeValue(self, newValue):
self.attribute.write(newValue)
def _readValue(self):
value = self.attribute.read().value
return value
def getInfo(self):
try:
b = dir(self.attribute)
self.info.minval, self.info.maxval = (
self.attribute._TangoAttribute__attr_config.getLimits())
except BaseException:
import traceback
logging.getLogger("HWR").info("%s" % traceback.format_exc())
return self.info
def update(self, event):
data = event.event[2]
try:
newvalue = data.value
if newvalue is None:
newvalue = self.getValue()
if isinstance(newvalue, types.TupleType):
newvalue = list(newvalue)
self.value = newvalue
self.emit("update", self.value)
except AttributeError:
# No value in data... this is probably a connection error
pass
def isConnected(self):
return self.attribute is not None
def channelListener(self, *args):
ev = AttributeEvent(args)
SardanaChannel._eventReceivers[id(ev)] = saferef.safe_ref(self.update)
SardanaChannel._eventsQueue.put(ev)
SardanaChannel._eventsProcessingTimer.send()
def ReadOne(self, axis):
attr = Attribute(self._axes_taurus_attr[axis])
return attr.read().value
class SardanaChannel(ChannelObject, SardanaObject):
def __init__(self, name, attribute_name, username=None, uribase = None, polling=None, **kwargs):
super(SardanaChannel, self).__init__(name,username,**kwargs)
class ChannelInfo(object):
def __init__(self):
super(ChannelInfo, self).__init__()
self.attributeName = attribute_name
self.model = os.path.join( uribase, attribute_name )
self.attribute = None
self.value = None
self.polling = polling
self.info = ChannelInfo()
self.info.minval = None
self.info.maxval = None
logging.getLogger("HWR").debug("creating Sardana model %s, polling=%s", self.model, polling)
self.init_device()
def init_device(self):
try:
self.attribute = Attribute(self.model)
#
# DIRTY FIX to make compatible taurus listeners and existence of Tango channels/commands
# as defined in Command/Tango.py
#
#if self.attribute.__class__ == taurus.core.tango.tangoattribute.TangoAttribute:
# dev = self.attribute.getParentObj()
# dp = dev.getHWObj()
# try:
# dp.subscribe_event = dp._subscribe_event
# except AttributeError:
# pass
logging.getLogger("HWR").info("initialized")
except DevFailed as traceback:
self.imported = False
return
# read information
try:
self.info.minval, self.info.maxval = self.attribute._TangoAttribute__attr_config.getLimits()
logging.getLogger("HWR").info("info initialized. Got minval=%s, maxval=%s" %(self.info.minval, self.info.maxval))
except:
logging.getLogger("HWR").info("info initialized. Cannot get limits")
# prepare polling
# if the polling value is a number set it as the taurus polling period
if self.polling:
if type(self.polling) == int:
self.attribute.changePollingPeriod(self.polling)
self.attribute.addListener(self.objectListener)
def getValue(self):
return self._readValue()
def setValue(self, newValue, wait=False):
self._writeValue(newValue)
def _writeValue(self, newValue):
self.attribute.write(newValue)
def _readValue(self):
value = self.attribute.read().value
return value
def getInfo(self):
return self.info
def update(self, event):
data = event.event[2]
try:
newvalue = data.value
if newvalue == None:
newvalue = self.getValue()
if type(newvalue) == tuple:
newvalue = list(newvalue)
self.value = newvalue
self.emit('update', self.value)
except AttributeError:
# No value in data... this is probably a connection error
pass
def isConnected(self):
return self.attribute is not None
def channelListener(self,*args):
ev = AttributeEvent(args)
SardanaChannel._eventReceivers[id(ev)] = saferef.safe_ref(self.update)
SardanaChannel._eventsQueue.put(ev)
SardanaChannel._eventsProcessingTimer.send()
class TaurusPlotDataItem(PlotDataItem, TaurusBaseComponent):
"""A taurus-ified PlotDataItem"""
def __init__(self, *args, **kwargs):
"""
Accepts same args and kwargs as PlotDataItem, plus:
:param xModel: (str) Taurus model name for abscissas values.
Default=None
:param yModel: (str) Taurus model name for ordinate values.
Default=None
"""
xModel = kwargs.pop('xModel', None)
yModel = kwargs.pop('yModel', None)
PlotDataItem.__init__(self, *args, **kwargs)
TaurusBaseComponent.__init__(self, 'TaurusBaseComponent')
self._x = None
self._y = None
self.xModel = None
if xModel is not None:
self.setXModel(xModel)
if yModel is not None:
self.setModel(yModel)
self.registerConfigProperty(self.getOpts, self.setOpts, 'opts')
self.setModelInConfig(True)
self.registerConfigProperty(self.getXModelName, self.setXModel,
'XModel')
def setXModel(self, xModel):
if not xModel:
if self.xModel is not None:
self.xModel.removeListener(self)
self.xModel = None
return
self.xModel = Attribute(xModel)
self._x = self.xModel.read().rvalue
self.xModel.addListener(self)
def getXModelName(self):
if self.xModel is None:
return None
else:
return self.xModel.getFullName()
def handleEvent(self, evt_src, evt_type, evt_value):
if evt_type not in (TaurusEventType.Change, TaurusEventType.Periodic):
return
yModel = self.getModelObj()
if yModel == evt_src and yModel is not None:
self._y = evt_value.rvalue
if self.xModel == evt_src and self.xModel is not None:
self._x = evt_value.rvalue
self.setData(x=self._x, y=self._y)
def getOpts(self):
from taurus.qt.qtgui.tpg import serialize_opts
return serialize_opts(copy.copy(self.opts))
def setOpts(self, opts):
# creates QPainters (QPen or QBrush) from a pickle loaded file
# for adapt the serialized objects into PlotDataItem properties
from taurus.qt.qtgui.tpg import deserialize_opts
self.opts = deserialize_opts(opts)
# This is a workaround for the following pyqtgraph's bug:
# https://github.com/pyqtgraph/pyqtgraph/issues/531
if opts['connect'] == 'all':
self.opts['connect'] = 'all'
elif opts['connect'] == 'pairs':
self.opts['connect'] = 'pairs'
elif opts['connect'] == 'finite':
self.opts['connect'] = 'finite'
def getFullModelNames(self):
return (self.getXModelName(), self.getFullModelName())
def image(self, taurusmodel=None, **kwargs):
"""
Extension to meth:`guiqwt.builder.PlotItemBuilder.image` to support passing a
'taurusmodel' as a keyword argument instead passing 'data' or 'filename'.
"""
if taurusmodel is None:
image = guiqwt.builder.PlotItemBuilder.image(self, **kwargs)
else:
title = kwargs.get('title', taurusmodel)
data = kwargs.get('data', None)
filename = kwargs.get('filename', None)
alpha_mask = kwargs.get('alpha_mask', None)
alpha = kwargs.get('alpha', None)
background_color = kwargs.get('background_color', None)
colormap = kwargs.get('colormap', None)
xdata = kwargs.get('xdata', [None, None])
ydata = kwargs.get('ydata', [None, None])
pixel_size = kwargs.get('pixel_size', None)
interpolation = kwargs.get('interpolation', 'linear')
eliminate_outliers = kwargs.get('eliminate_outliers', None)
xformat = kwargs.get('xformat', '%.1f')
yformat = kwargs.get('yformat', '%.1f')
zformat = kwargs.get('zformat', '%.1f')
forceRGB = kwargs.get('force_rgb', False)
assert isinstance(xdata, (tuple, list)) and len(xdata) == 2
assert isinstance(ydata, (tuple, list)) and len(ydata) == 2
assert filename is None
assert data is None
param = ImageParam(title=_("Image"), icon='image.png')
from taurus import Attribute
if pixel_size is None:
xmin, xmax = xdata
ymin, ymax = ydata
else:
attr = Attribute(taurusmodel)
valueobj = attr.read()
data = getattr(valueobj, 'rvalue', numpy.zeros((1, 1)))
attrdata = data
if isinstance(data, Quantity):
attrdata = data.magnitude
xmin, xmax, ymin, ymax = self.compute_bounds(attrdata,
pixel_size)
self.set_image_param(param, title, alpha_mask, alpha, interpolation,
background=background_color,
colormap=colormap,
xmin=xmin, xmax=xmax, ymin=ymin, ymax=ymax,
xformat=xformat, yformat=yformat,
zformat=zformat)
from taurus.core import DataType
if forceRGB:
if Attribute(taurusmodel).getType() == DataType.DevEncoded:
image = TaurusEncodedRGBImageItem(param)
else:
image = TaurusRGBImageItem(param)
else:
if Attribute(taurusmodel).getType() == DataType.DevEncoded:
image = TaurusEncodedImageItem(param)
else:
image = TaurusImageItem(param)
image.setModel(taurusmodel)
if eliminate_outliers is not None:
image.set_lut_range(lut_range_threshold(image, 256,
eliminate_outliers))
return image
class SardanaChannel(ChannelObject, SardanaObject):
def __init__(
self, name, attribute_name, username=None, uribase=None, polling=None, **kwargs
):
super(SardanaChannel, self).__init__(name, username, **kwargs)
class ChannelInfo(object):
def __init__(self):
super(ChannelInfo, self).__init__()
self.attributeName = attribute_name
self.model = os.path.join(uribase, attribute_name)
self.attribute = None
self.value = None
self.polling = polling
self.info = ChannelInfo()
self.info.minval = None
self.info.maxval = None
self.init_device()
def init_device(self):
try:
self.attribute = Attribute(self.model)
#
# DIRTY FIX to make compatible taurus listeners and existence of Tango channels/commands
# as defined in Command/Tango.py
#
# if self.attribute.__class__ == taurus.core.tango.tangoattribute.TangoAttribute:
# dev = self.attribute.getParentObj()
# dp = dev.getHWObj()
# try:
# dp.subscribe_event = dp._subscribe_event
# except AttributeError:
# pass
# logging.getLogger("HWR").debug("initialized")
except DevFailed as traceback:
self.imported = False
return
# read information
try:
if taurus.Release.version_info[0] == 3:
ranges = self.attribute.getConfig().getRanges()
if ranges is not None and ranges[0] != "Not specified":
self.info.minval = float(ranges[0])
if ranges is not None and ranges[-1] != "Not specified":
self.info.maxval = float(ranges[-1])
elif taurus.Release.version_info[0] > 3: # taurus 4 and beyond
minval, maxval = self.attribute.ranges()
self.info.minval = minval.magnitude
self.info.maxval = maxval.magnitude
except BaseException:
import traceback
logging.getLogger("HWR").info("info initialized. Cannot get limits")
logging.getLogger("HWR").info("%s" % traceback.format_exc())
# prepare polling
# if the polling value is a number set it as the taurus polling period
if self.polling:
if isinstance(self.polling, types.IntType):
self.attribute.changePollingPeriod(self.polling)
self.attribute.addListener(self.objectListener)
def getValue(self):
return self._readValue()
def setValue(self, newValue):
self._writeValue(newValue)
def _writeValue(self, newValue):
self.attribute.write(newValue)
def _readValue(self):
value = self.attribute.read().value
return value
def getInfo(self):
try:
b = dir(self.attribute)
self.info.minval, self.info.maxval = (
self.attribute._TangoAttribute__attr_config.getLimits()
)
except BaseException:
import traceback
logging.getLogger("HWR").info("%s" % traceback.format_exc())
return self.info
def update(self, event):
data = event.event[2]
try:
newvalue = data.value
if newvalue is None:
newvalue = self.getValue()
if isinstance(newvalue, types.TupleType):
newvalue = list(newvalue)
self.value = newvalue
self.emit("update", self.value)
except AttributeError:
# No value in data... this is probably a connection error
pass
def isConnected(self):
return self.attribute is not None
def channelListener(self, *args):
ev = AttributeEvent(args)
SardanaChannel._eventReceivers[id(ev)] = saferef.safe_ref(self.update)
SardanaChannel._eventsQueue.put(ev)
SardanaChannel._eventsProcessingTimer.send()
def ReadOne(self, axis):
attr = Attribute(self._axes_taurus_attr[axis])
return attr.read().value
class SardanaChannel(ChannelObject, SardanaObject):
def __init__(self,
name,
attribute_name,
username=None,
uribase=None,
polling=None,
**kwargs):
super(SardanaChannel, self).__init__(name, username, **kwargs)
class ChannelInfo(object):
def __init__(self):
super(ChannelInfo, self).__init__()
self.attributeName = attribute_name
self.model = os.path.join(uribase, attribute_name)
self.attribute = None
self.value = None
self.polling = polling
self.info = ChannelInfo()
self.info.minval = None
self.info.maxval = None
logging.getLogger("HWR").debug("creating Sardana model %s, polling=%s",
self.model, polling)
self.init_device()
def init_device(self):
try:
self.attribute = Attribute(self.model)
#
# DIRTY FIX to make compatible taurus listeners and existence of Tango channels/commands
# as defined in Command/Tango.py
#
#if self.attribute.__class__ == taurus.core.tango.tangoattribute.TangoAttribute:
# dev = self.attribute.getParentObj()
# dp = dev.getHWObj()
# try:
# dp.subscribe_event = dp._subscribe_event
# except AttributeError:
# pass
logging.getLogger("HWR").info("initialized")
except DevFailed as traceback:
self.imported = False
return
# read information
try:
self.info.minval, self.info.maxval = self.attribute._TangoAttribute__attr_config.getLimits(
)
logging.getLogger("HWR").info(
"info initialized. Got minval=%s, maxval=%s" %
(self.info.minval, self.info.maxval))
except:
logging.getLogger("HWR").info(
"info initialized. Cannot get limits")
# prepare polling
# if the polling value is a number set it as the taurus polling period
if self.polling:
if type(self.polling) == int:
self.attribute.changePollingPeriod(self.polling)
self.attribute.addListener(self.objectListener)
def getValue(self):
return self._readValue()
def setValue(self, newValue, wait=False):
self._writeValue(newValue)
def _writeValue(self, newValue):
self.attribute.write(newValue)
def _readValue(self):
value = self.attribute.read().value
return value
def getInfo(self):
return self.info
def update(self, event):
data = event.event[2]
try:
newvalue = data.value
if newvalue == None:
newvalue = self.getValue()
if type(newvalue) == tuple:
newvalue = list(newvalue)
self.value = newvalue
self.emit('update', self.value)
except AttributeError:
# No value in data... this is probably a connection error
pass
def isConnected(self):
return self.attribute is not None
def channelListener(self, *args):
ev = AttributeEvent(args)
SardanaChannel._eventReceivers[id(ev)] = saferef.safe_ref(self.update)
SardanaChannel._eventsQueue.put(ev)
SardanaChannel._eventsProcessingTimer.send()
