content: import matplotlib.pyplot as plt
  from pylab import polyfit, poly1d, show, savefig
  import sys
  
  def isNumber( s):
  	try:
  		float(s)
  		return True
  	except ValueError:
  		return False
  
  def makeGraph(X,Y, xName, yName, name="NoName"):
  	fig = plt.figure()
  	ax = fig.add_subplot(111)
  	superName = "Comparison of {} and {}".format(xName,yName)
  	outname = "{} from {}.png".format(superName,name)
  	fig.suptitle(superName)
  	ax.scatter(X,Y)
  
  	fit = polyfit(X,Y,1)
  	fit_fn = poly1d(fit) # fit_fn is now a function which takes in x and returns an estimate for y
  	ax.plot(X,Y, 'yo', X, fit_fn(X), '--k')
  
  	ax.set_xlabel('Size of MCS found by {}'.format(xName))
  	ax.set_ylabel('Size of MCS found by {}'.format(yName))
  	ax.text(1, 1, "y = {}*x + {}".format(fit[0], fit[1]))
  	fig.savefig(outname)
  
  
  def buildIsoSMSDComparison( filename, outname="SMSD-IsoRank-comparison"):
  	X, Y, xName, yName = [], [], "", ""
  	with open( filename) as f:
  		inComparison = False
  		nameLine = False
  		for line in f:
  			if line.split()[0] == "COMPARISON_DELIMITER":
  				if inComparison:
  					makeGraph( X, Y, xName, yName, filename)
  				inComparison = True
  				nameLine = True
  				X, Y = [], []
  			elif inComparison:
  				l = line.split()
  				if nameLine:
  					xName, yName = l[0], l[1]
  					nameLine = False
  				else:
  					X.append( float( l[0]))
  					Y.append( float( l[1]))
  
  	makeGraph( X, Y, xName, yName, filename)
  
  
  
  
  
  
  
  if __name__ == "__main__":
  	args = sys.argv
  	if(len(args) == 2):
  		buildIsoSMSDComparison(args[1])
  	else:
  		buildIsoSMSDComparison(args[1], args[2])
  