Ejemplo n.º 1
0
def CascadeHandler(r):
    DBG = False
    casc = r.Arrow()
    stages,arrow = casc.split("*")
    modifiers = r.MHS()
    
    if DBG: print "Cascade Handler: stages,arrow: ", stages, arrow
    if DBG: print "Cascade Handler: modifiers: ", modifiers
    #
    # most of the cascades in py[cellerator] don't actually exist in cellerator
    # so expand to the bottom line
    #
    
    er = expand(r)
    
    er = map(_Handle_Reaction, er)
    
    if DBG: print "Cascade Handler: er: ", er
    
    okr = map(lambda u:u[-1], filter(lambda u:u[0], er))
    notok = map(lambda u:u[-1], filter(lambda u:not(u[0]), er))
    
    if DBG: print "okr: ", okr
    if DBG: print "notok: ", notok
    for r in notok:
        print "Error: unable to convert the reaction: "+str(r)
    
    
    return okr
Ejemplo n.º 2
0
def CascadeHandler(r):
    DBG = False
    casc = r.Arrow()
    stages, arrow = casc.split("*")
    modifiers = r.MHS()

    if DBG: print "Cascade Handler: stages,arrow: ", stages, arrow
    if DBG: print "Cascade Handler: modifiers: ", modifiers
    #
    # most of the cascades in py[cellerator] don't actually exist in cellerator
    # so expand to the bottom line
    #

    er = expand(r)

    er = map(_Handle_Reaction, er)

    if DBG: print "Cascade Handler: er: ", er

    okr = map(lambda u: u[-1], filter(lambda u: u[0], er))
    notok = map(lambda u: u[-1], filter(lambda u: not (u[0]), er))

    if DBG: print "okr: ", okr
    if DBG: print "notok: ", notok
    for r in notok:
        print "Error: unable to convert the reaction: " + str(r)

    return okr
Ejemplo n.º 3
0
def test_single():
    assert list(expand("a.{}")) == ["a."]
    assert list(expand("a.{doc}")) == ["a.doc"]
    assert list(expand("a.{doc,txt}")) == ["a.doc", "a.txt"]
    assert list(expand("a.{1,2,3}")) == ["a.1", "a.2", "a.3"]
    assert list(expand("{good,bad} mood")) == ["good mood", "bad mood"]
    assert list(expand("just {2,3} drinks")) == ["just 2 drinks", "just 3 drinks"]
    assert list(expand("soft drink{,s}")) == ["soft drink", "soft drinks"]
Ejemplo n.º 4
0
def expand():
	print '[+] Please input the location of dictionary'
	loc = raw_input().replace("\'", "").strip()

	while not(os.path.exists(loc)):
		print "[x] {0} doesn't seem to exist, try again.".format(loc)
		loc = raw_input()

	print "[-] Beginning Expansion..."
	e = expander.expand(loc, loc+"-EXPANDED")
	e.expand()
Ejemplo n.º 5
0
def normalise(text):
    list_tokens = split_tokens(text)
    NSWs_dict = create_NSWs_dict(list_tokens)
    tagged_dic = tagify(NSWs_dict)
    classified_dic = classify(tagged_dic, list_tokens)
    expanded_dic = expand(classified_dic, list_tokens)
    normalized_text = replace_nsw(expanded_dic, list_tokens)
    return normalized_text


# text = open('./vidu.txt').read()
# print(normalise(text))
Ejemplo n.º 6
0
def test_multiple():
    assert list(expand("{a}{b}{c}{d}{e}{f}")) == ["abcdef"]
    assert list(expand("{a}.{doc,txt}")) == ["a.doc", "a.txt"]
    assert list(expand("{a,b}.{doc}")) == ["a.doc", "b.doc"]
    assert list(expand("{a,b}.{doc,txt}")) == ["a.doc", "a.txt", "b.doc", "b.txt"]
    assert list(expand("{0,1,2,3,4,5,6,7,8,9}"*5)) == [format(i, "05") for i in range(10**5)]
    assert list(expand("{a}"*100)) == ["a"*100]
Ejemplo n.º 7
0
def classify_input(parsed_reactions, ncells, nspecie, PRINT=True):
    # summarize input
    #
    classes = {}
    for r in parsed_reactions:
        reaction_class = r.arrowtype + " " + r.arrow
        if reaction_class in classes:
            classes[reaction_class] += 1
        else:
            classes[reaction_class] = 1
    expanded_reactions = expander.expand(parsed_reactions)

    class_names = list(classes)
    if PRINT:
        print_rule()
        print "%5d" % (len(parsed_reactions)), "reactions input."
        print "%5d" % (len(expanded_reactions)), " expanded reactions"
        for class_name in class_names:
            print "%5d" % (classes[class_name]), class_name, "reactions"
        print "%5d" % (ncells * nspecie), " differential equations"
        print_rule()
    return expanded_reactions
Ejemplo n.º 8
0
def classify_input(parsed_reactions, ncells, nspecie, PRINT=True):
    # summarize input
    #
    classes = {}
    for r in parsed_reactions:
        reaction_class=r.arrowtype+" "+r.arrow
        if reaction_class in classes:
            classes[reaction_class]+=1
        else:
            classes[reaction_class]=1
    expanded_reactions = expander.expand(parsed_reactions)

    class_names=list(classes)
    if PRINT:
        print_rule()
        print "%5d" %(len(parsed_reactions)), "reactions input."
        print "%5d" %(len(expanded_reactions)), " expanded reactions"
        for class_name in class_names:
            print "%5d" %(classes[class_name]), class_name, "reactions"
        print "%5d" %(ncells*nspecie), " differential equations"  
        print_rule()   
    return expanded_reactions
Ejemplo n.º 9
0
def test_stray_braces():
    assert list(expand(":-{")) == [":-{"]
    assert list(expand("oh }{ nice")) == ["oh }{ nice"]
Ejemplo n.º 10
0
def test_trivial():
    assert list(expand("")) == [""]
    assert list(expand("hello")) == ["hello"]
Ejemplo n.º 11
0
def genmodel(infile, outfile, verbose=False):
    (reactions, ic, rates, frozenvars, functions, assignments, filename) = readmodel(infile)
    # Expand reactions
    #
    r = interpreter.invokeParser(reactions, dump=False)
    er = expander.expand(r)
    s = interpreter.makeSymbolDictionary(er, rates, ic)
    
    try:
        SBML=SBMLDocument(3,1)
    except ValueError:
        exit("Could not create the SBMLDocument.")
    m = SBML.createModel()
    m.setTimeUnits("dimensionless")
    m.setSubstanceUnits("item")
    m.setExtentUnits("item")
    c = m.createCompartment()
    c.setId('compartment')
    c.setConstant(True)
    c.setSize(1)
    c.setSpatialDimensions(3)
    c.setUnits("dimensionless")
    
    for function in functions:
        if verbose:
            print "function: ", function
        fnew=m.createFunctionDefinition()
        fname, formula = function.split("=")
        fname=fname.strip()
        formula=formula.strip()
        formula=formula.replace("**","^")
        functionvar, functiondef=formula.split(":")
        # print "functiondef:", functiondef
        functionvar=functionvar.split()[-1]
        # print "functionvar:", functionvar
        lambdadef="lambda("+functionvar+","+functiondef+")"
        # print "lambdadef: ", lambdadef
        math_ast = parseL3Formula(lambdadef)
    
        
        # print "math_ast=",math_ast
        fnew.setId(fname)
        fnew.setMath(math_ast)
    
    species=list(ic)
     
    sp=[]
    for specie in species:
        snew=m.createSpecies()
        snew.setId(specie)
        if specie in frozenvars:
            snew.setConstant(True)
        else:
            snew.setConstant(False)
        snew.setBoundaryCondition(False)
        snew.setHasOnlySubstanceUnits(True)
        amount = ic[specie]
        snew.setInitialAmount(amount)
        snew.setCompartment("compartment")
        sp.append(snew)
    
    # add nil species
    snew=m.createSpecies()
    snew.setId("Nil")
    snew.setConstant(False)
    snew.setBoundaryCondition(False)
    snew.setHasOnlySubstanceUnits(True)
    snew.setInitialAmount(0)
    snew.setCompartment("compartment")
    sp.append(snew)    
        
    RATES=list(rates)
    ks=[]
    for rate in rates:
        k = m.createParameter()
        k.setId(rate)
        k.setConstant(True)
        k.setValue(rates[rate])
        k.setUnits('dimensionless')
        ks.append(k)
    
    #print assignments
    
    i=1
    for assignment in assignments:
        lhs, rhs = assignment.split("=")
        lhs=lhs.strip()
        rhs=rhs.strip()
        if verbose:
            print "assignment: to:", lhs, "from:",rhs
        arule = m.createAssignmentRule()
        patchedlaw=rhs.replace("**","^")    
        math_ast = parseL3Formula(patchedlaw)
        arule.setMath(math_ast)
        arule.setVariable(lhs)
        aid = "arule"+str(i)
        i+=1
        arule.setId(aid)
    
    reacts=[]
    i = 1
    for line in er:
       new_reaction=m.createReaction()
       rid = "r"+str(i)
       new_reaction.setId(rid)
       new_reaction.setReversible(False)
       new_reaction.setFast(False)
       odeterm = interpreter.makeODETerms([line], s, frozen=frozenvars)
       termkeys=list(odeterm)
       # print "termkeys:", termkeys
  
       # print "**** Reaction ", i,"\n", line.LHS(),"\n",line.MHS(),"\n",line.RHS()
  
       S, ST = reduceStoichiometry(line.LHS(), line.LH_STOIC())
       # print "reactant: ", S, ST
       for X,Z in zip(S, ST):
          if X in termkeys:
              sref=new_reaction.createReactant()
              sref.setSpecies(X)
              sref.setStoichiometry(float(Z))
              if X in frozenvars:
                  sref.setConstant(True)
              else:
                  sref.setConstant(False) 
          #
          # some Cellerator "Reactants" are really modifiers
          #
          elif str(X) != "Nil":
              sref=new_reaction.createModifier()
              sref.setSpecies(X)

       S, ST = reduceStoichiometry(line.RHS(), line.RH_STOIC())
       # print "product: ", S, ST
       for X,Z in zip(S, ST):
          sref=new_reaction.createProduct()
          sref.setSpecies(X)
          sref.setStoichiometry(float(Z))
          if X in frozenvars:
            sref.setConstant(True)
          else:
            sref.setConstant(False)
       for X in line.MHS():
          sref=new_reaction.createModifier()
          sref.setSpecies(X)
       
       terms = [str(odeterm[X]) for X in termkeys]
       # print "terms: ", terms
       terms = map(lambda x: x.lstrip("-"), terms)
       terms = set(terms) - set(["0"])
       if len(terms)>0:
          law = list(terms)[0]
       else:
          law = "0"
       if verbose:
           print "using kinetic law ", law, " for "+str(rid)+": ", line.Input()
       
       patchedlaw=law.replace("**","^")
       
       math_ast = parseL3Formula(patchedlaw)
       kinetic_law = new_reaction.createKineticLaw()
       kinetic_law.setMath(math_ast)
       # print "kinetic law ", i, " is ", law, odeterm
       i +=1 
       

    return (writeSBMLToString(SBML))
Ejemplo n.º 12
0
def generatePythonFunction(reactions,
                           rates,
                           ics,
                           frozenvars,
                           functions,
                           assignments,
                           holdrates=[],
                           substituteRates=False):
    """
    input: reactions - list of reactions in cellerator text form
           inputrates - list of rate constants in dictionary form
    output: writes a function to file tmp.py that is solver-compatible
        return values: (y, y0)
        y: list of string names of variables ["y1", "y2",...]
        y0: list of values of variables at initial time
    """

    #print "solver:assignments:",assignments
    #print "solver:frozenvars:",frozenvars

    d = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")

    codefile = utils.uniqueFileName("tmp.py")

    f = open(codefile, "w")
    f.write("from math import *\n")
    if len(functions) > 0:
        f.write("\n")
        for funct in functions:
            f.write(funct + "\n")
        f.write("\n")
    f.write("def ode_function_rhs(y,t):\n")
    f.write("  # \n")
    f.write("  # this odeint(..) compatible function was \n")
    f.write("  # automatically generated by Cellerator " + d + " \n")
    ver = sys.version.replace("\n", " ")
    f.write("  # " + ver + "\n")
    f.write("  # " + sys.platform + "\n")
    f.write("  # \n")
    f.write(
        "  # =============================================================\n")
    f.write("  # Model: \n  #\n")

    #
    # there may be a whole boatload of reactions to print
    # define a generator
    def printable_reaction(k):
        for j in xrange(k):
            reaction = reactions[j]
            yield "  # " + reaction.strip() + "\n"

    for r in printable_reaction(len(reactions)):
        f.write(r)
    #for reaction in reactions:
    #    f.write("  # " + reaction.strip() + "\n")
    #
    # write a whole shitload of comments with the rate constants, unless
    # the rate constants are themselves written out
    #
    if substituteRates:
        f.write("  #\n  # Parameter values used: \n  #\n")
        for r in rates:
            f.write("  # " + r + "=" + str(rates[r]) + "\n")
    if len(holdrates) > 0:
        f.write("  global " + holdrates[0] + "\n")
    if len(frozenvars) > 0:
        f.write(
            "  #\n  # Frozen Variables (species with fixed derivatives):\n  #\n"
        )
        for v in frozenvars:
            f.write("  # " + str(v) + "\n")
    f.write(
        "  # =============================================================\n")

    results = interpreter.invokeParser(reactions, dump=False)
    results = expand(results)
    s = interpreter.makeSymbolDictionary(results, rates, ics)
    odeterms = interpreter.makeODETerms(results, s, frozen=frozenvars)

    if substituteRates:
        newterms = substituteRateConstants(odeterms, rates, s, holdrates)
        na = []
        # rate constants also appear in assignment rules
        for a in assignments:
            value, assignment = a.split("=")
            assignment = sympify(assignment)
            newassignment = value + "=" + str(
                applyReplacementRules(assignment, rates, s))
            na.append(newassignment)
        assignments = na
    else:  # better this way because applyReplacementRules grows superquadratically
        newterms = odeterms
        ks = rates.keys()
        ks.sort()
        f.write("  # rate constants\n")
        for k in ks:
            if k in holdrates:
                continue
            v = rates[k]
            nextline = "  " + k + " = " + str(v) + "\n"
            f.write(nextline)

    (y, yprime, ics) = makeODEfunc(newterms, s, ics)

    y = map(str, y)
    yprime = map(str, yprime)
    f.write("# pick up values from previous iteration\n")
    n = len(y)
    for i in range(n):
        nextline = "  " + y[i] + " = " + "max(0, y[" + str(i) + "])\n"
        #
        nextline = nextline.replace("{", "[").replace("}", "]")
        #
        f.write(nextline)
    if (len(assignments) > 0):
        f.write("# apply boundary conditions / assignment rules \n")
    for a in assignments:
        f.write("  " + a + "\n")
    f.write("# calculate derivatives of all variables\n")
    f.write("  yp=[0 for i in range(" + str(n) + ")]\n")
    for i in range(n):
        nextline = "  yp[" + str(i) + "] = " + yprime[i] + "\n"
        #
        #
        #
        nextline = nextline.replace("{", "[").replace("}", "]")
        #
        #
        f.write(nextline)
        #print "solver:",nextline

    f.write("  return yp\n")
    f.close()

    #sys.exit()
    return (y, ics, codefile)
Ejemplo n.º 13
0
def interpret(filename, ofile="", dumpparser=False, format="ODE", frozen=[], \
    symbolic=False):
    
    if "-time" in sys.argv: 
        start = clock()
    
    DBG = False
    if DBG: print "interpret: Starting"
    
    output=[]
    dump = dumpparser or ("-dump" in sys.argv)
    SYMBOLIC = symbolic or "-symbolic" in sys.argv
        
    freeze=[]
    if ("-frozen" in sys.argv):
         i=(sys.argv).index("-frozen")+1
         while i<len(sys.argv):
            next = sys.argv[i]
            if str(next)[0]=="-": break
            freeze.append(next)
            i+=1
    elif type(frozen)==type([]):
        freeze = frozen
    if DBG: print "interpret: calling Parser"
       
    (results, rates, functions, frozen, assignments, ICS) = runparser(filename, trace=dump)
    # 
    # combine frozen variables on command line with those in model file
    #
    freeze = list (set (freeze + frozen))
    # print rates
    if DBG: print "interpret: expanding"   
    if "-time" in sys.argv: 
        parsetime = clock()-start
        print "(parse time): %20.10f" %(parsetime)
        start = clock()
    results = expand(results)
    if DBG: print "interpret: making Symbol Dicitionary"
    s=makeSymbolDictionary(results, rates, ICS)
    if DBG: print "interpret: making ODE Terms"    
    odeterms = makeODETerms(results, s, frozen=freeze)
    if DBG: print "interpret: printing terms"
    
    # print odeterms
    if "-format" in sys.argv:
        i = (sys.argv).index("-format")+1
        if i < len(sys.argv):
            format = sys.argv[i]
        else:
            print "Error: interpret: expecting format string after -format keyword."
            format = "ODE"
    fmt = str(format).upper()

    if not fmt in ["ODE","DICT","CODE", "PYTHON", "LATEX", "JACOBIAN", "STEADYSTATE"]:
        print "Error: interpret: invalid format='"+str(fmt)+"' requested."
        raise SystemExit("Resubmit job with correct value for keyword -format")
    k=0
    if fmt in ["CODE","PYTHON"]:
        output.append("from math import *")
        if len(functions)>0:
            for f in functions:
                output.append(f)
        output.append("def f(y,t):")
        for x in rates:
            output.append("    "+str(x)+" = "+str(rates[x]))
        for x in assignments:
            output.append("    "+str(x))
        for x in odeterms:
            line = "    y["+str(k)+"] = " + str(x)
            output.append(line)
            k += 1
        k = 0
    elif fmt == "DICT":
        output=odeterms
        return (output)
        # if symbolic: return output
    elif fmt == "JACOBIAN":
        output = jacobian(odeterms)
        return (output)
        # if symbolic: return output
    elif fmt == "STEADYSTATE":
        output = steadystate(odeterms, rates, SYMBOLIC)

      
    elif fmt == "LATEX":
        output.append("\\documentclass[12pt,letterpaper]{article}")
        output.append("\\usepackage[latin1]{inputenc}")
        output.append("\\usepackage{amsmath, amsfonts, amssymb}")
        output.append("\\author{py[cellerator]}")
        output.append("\\date{\\today}")
        output.append("\\title{Automatically Generated Equations}")
        output.append("\\begin{document}")
        output.append("\\maketitle")
        output.append("\\begin{align*}")
        for f in functions:
            output.append(latex(f))
    if fmt == "ODE":
        for f in functions: 
            output.append(f)
        for f in assignments:
            output.append(f)
    for x in odeterms:
        if fmt == "ODE":
            line =  str(x)+"' = "+str(odeterms[x])
        elif fmt == "DICT":
            continue
        elif fmt == "JACOBIAN":
            continue
        elif fmt == "STEADYSTATE":
            continue
        elif fmt in ["CODE", "PYTHON"]:
            line = "    yp["+str(k)+"] = " + str(odeterms[x])
            k+=1
        elif fmt == "LATEX":
            line =x+"' &= "+latex(odeterms[x])[1:-1]+"\\\\"
        else:
            print "Error: interpret: invalid format requested: " + str(format)
            raise SystemExit("Resubmit job with correct value for keyword.")
        output.append(line)

    if fmt =="ODE":
        output = "\n".join(output)
    elif fmt == "LATEX":
        output.append("\\end{align*}")
        output.append("\\end{document}")
        output = "\n".join(output)    
    elif fmt in ["CODE", "PYTHON"]: 
        output.append("    return (yp)")
        output = "\n".join(output)
    
    
    outfile=ofile    
    if ("-out" in sys.argv):
        i = (sys.argv).index("-out")+1
        if i<len(sys.argv):
            outfile=sys.argv[i]
        else:
            print("Error: interpret: expecting filename after -out option.")
            outfile="interpreted-equations.out"

    if len(outfile)>0:
        outputfile = outfile
        (left,right)=outfile.split(".")
        j=1
        while os.path.isfile(outputfile):
            outputfile=left+str(j)+"."+right
            j+=1
        f=open(outputfile,"w")
        if fmt == "DICT":
            output = str(output)
            f.write(output)
        else:
            f.write(output)
            # output = map(lambda x:x+"\n",output)
            # f.writelines(output)
        f.close()
        if "-time" in sys.argv: 
            print "(interpret time): %20.10f" %(clock() - start)

        
        return os.path.abspath(outputfile)
    
    if "-time" in sys.argv: 
        print "(interpret time): %20.10f"  %(clock() - start)
       
    return(output)
Ejemplo n.º 14
0
def generatePythonFunction(reactions,  rates, ics, frozenvars, functions, 
    assignments, holdrates=[], substituteRates=False):
    """
    input: reactions - list of reactions in cellerator text form
           inputrates - list of rate constants in dictionary form
    output: writes a function to file tmp.py that is solver-compatible
        return values: (y, y0)
        y: list of string names of variables ["y1", "y2",...]
        y0: list of values of variables at initial time
    """    
  
    #print "solver:assignments:",assignments
    #print "solver:frozenvars:",frozenvars
    
    d=datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
    
    codefile=utils.uniqueFileName("tmp.py")
    
    f=open(codefile,"w")
    f.write("from math import *\n")
    if len(functions)>0:
        f.write("\n")
        for funct in functions: f.write(funct+"\n")
        f.write("\n")
    f.write("def ode_function_rhs(y,t):\n")
    f.write("  # \n")
    f.write("  # this odeint(..) compatible function was \n")
    f.write("  # automatically generated by Cellerator "+d+" \n")
    ver = sys.version.replace("\n"," ")
    f.write("  # " + ver + "\n")
    f.write("  # " + sys.platform + "\n")
    f.write("  # \n")
    f.write("  # =============================================================\n")
    f.write("  # Model: \n  #\n")
    #
    # there may be a whole boatload of reactions to print 
    # define a generator
    def printable_reaction(k):
        for j in xrange(k):
            reaction=reactions[j]
            yield "  # " + reaction.strip() + "\n"
    for r in printable_reaction(len(reactions)):
        f.write(r)
    #for reaction in reactions:
    #    f.write("  # " + reaction.strip() + "\n")
    #
    # write a whole shitload of comments with the rate constants, unless
    # the rate constants are themselves written out
    #
    if substituteRates:
        f.write("  #\n  # Parameter values used: \n  #\n")
        for r in rates:
            f.write("  # " + r + "=" + str(rates[r]) + "\n")
    if len(holdrates)>0:
        f.write("  global "+holdrates[0]+"\n")
    if len(frozenvars) >0:
        f.write("  #\n  # Frozen Variables (species with fixed derivatives):\n  #\n") 
        for v in frozenvars: f.write("  # "+str(v)+ "\n")
    f.write("  # =============================================================\n")
    
    
    results = interpreter.invokeParser(reactions, dump=False)
    results = expand(results)
    s=interpreter.makeSymbolDictionary(results, rates, ics)
    odeterms = interpreter.makeODETerms(results, s, frozen=frozenvars)
    
    if substituteRates:
        newterms = substituteRateConstants(odeterms, rates, s, holdrates)
        na = []
       # rate constants also appear in assignment rules
        for a in assignments:
            value,assignment = a.split("=")
            assignment = sympify(assignment)
            newassignment = value+"="+str(applyReplacementRules(assignment, rates, s))
            na.append(newassignment)
        assignments = na
    else:  # better this way because applyReplacementRules grows superquadratically
        newterms = odeterms
        ks=rates.keys()
        ks.sort()
        f.write("  # rate constants\n")
        for k in ks:
            if k in holdrates:
                continue
            v=rates[k]
            nextline="  "+k+" = " + str(v)+"\n"
            f.write(nextline)
   
    (y, yprime, ics) = makeODEfunc(newterms, s, ics)
   
    
    y = map(str, y)
    yprime = map(str,yprime)
    f.write("# pick up values from previous iteration\n")  
    n = len(y)
    for i in range(n):
        nextline = "  "+y[i]+" = "+"max(0, y["+str(i)+"])\n"
        #
        nextline = nextline.replace("{","[").replace("}","]")
        #
        f.write(nextline)
    if (len(assignments)>0):
        f.write("# apply boundary conditions / assignment rules \n")
    for a in assignments:
        f.write("  "+a+"\n")
    f.write("# calculate derivatives of all variables\n")
    f.write("  yp=[0 for i in range("+str(n)+")]\n")
    for i in range(n):
        nextline = "  yp["+str(i)+"] = " + yprime[i]+"\n"
        #   
        #
        #
        nextline = nextline.replace("{","[").replace("}","]")
        #
        #
        f.write(nextline)
        #print "solver:",nextline

    
    
    f.write("  return yp\n")
    f.close()
    
    #sys.exit()
    return (y, ics, codefile)