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DummyInstrument.py
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DummyInstrument.py
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import re
import random
class DummyInstrument:
def __init__(self, index=0, label="", connection=None):
self.index_ = index
self.label_ = label
self.isCurrent_ = (index==0)
self.current_ = 0.
self.voltage_ = 0.
self.maxv_ = re.findall(r'\d+', label)[0]
self.connection = connection
def label(self):
return self.label_
def __copy__(self):
raise copy.error("DummyInstrument cannot be copied")
def __deepcopy__(self,memo):
raise copy.error("DummyInstrument cannot be copied")
def isCurrent(self):
return self.isCurrent_
def makeCurrent(self):
self.isCurrent_ = True
def getMeasuredCurrent(self):
if self.connection.state():
return random.normalvariate(self.current_/2.,0.1)
else:
return 0.
def getMeasuredVoltage(self):
if self.connection.state():
return random.normalvariate(self.voltage_,0.1)
else:
return 0.
def setCurrentLimit(self, current, triggered=False):
self.makeCurrent()
self.current_ = current
def getCurrentLimit(self, triggered=False):
self.makeCurrent()
return self.current_
def getMinCurrentLimit(self, triggered=False):
"""This query returns the minimum programmable current limit level of the selected output"""
self.makeCurrent()
return 0
def getMaxCurrentLimit(self, triggered=False):
"""This query returns the maximum programmable current limit level of the selected output"""
self.makeCurrent()
return 5
def setVoltage(self, voltage, triggered=False):
self.makeCurrent()
self.voltage_ = voltage
def getVoltage(self, triggered=False):
"""This query returns the presently programmed voltage limit level of the selected output"""
self.makeCurrent()
return self.voltage_
def getMinVoltage(self, triggered=False):
"""This query returns the minimum programmable voltage limit level of the selected output"""
self.makeCurrent()
return 0.
def getMaxVoltage(self, triggered=False):
"""This query returns the minimum programmable voltage limit level of the selected output"""
self.makeCurrent()
return 10.