parametersnapshot definition

ModificationTracker - parametersnapshot

#Copyright (c) mostafa el ayoubi ,  2016
#Data-Shapes www.data-shapes.net , elayoubi.mostafa@gmail.com
#This code was inspired by Jeremy Tammik @Jeremytammik

def parametersnapshot(x):
	parameters = x.Parameters
	paramnames = [p.Definition.Name for p in parameters]
	#Sorting is important because the parameters are queried in random order.
	#We need to make sure the snapshots are ordered in the same way so we can compare them.
	sortedindex = sorted(range(len(paramnames)), key = lambda k : paramnames[k])
	sortedparameters = [paramnames[i] for i in sortedindex]
	paramvalues = []
	for p in parameters:
		if p.AsString() != None:
			paramvalues.append(p.AsString())
		else :
			paramvalues.append(p.AsValueString())
	sortedvalues = [paramvalues[i] for i in sortedindex]
	return ', '.join(['%s : %s' % (param,value) for param,value in zip(sortedparameters,sortedvalues)])