Exemplo n.º 1
0
def generateODEScript(modelfile,
                      mtype='ASM',
                      solver='RK4',
                      timestep=1,
                      endtime=21600,
                      lowerbound='0;0',
                      upperbound='1e-3;1e-3',
                      odefile='odescript.py'):
    '''!
    Function to generate Python ODE script from a given model 
    specification file.

    Usage:

        python astools.py genODE --modelfile=models/asm/glycolysis.modelspec --mtype=ASM --solver=RK4 --timestep=1 --endtime=21600 --lowerbound=0;0 --upperbound=1e-3;1e-3 --odefile=glycolysis.py

    @param modelfile String: Name of model specification file in 
    models folder. This assumes that the model file is not in models 
    folder.
    @param mtype String: Type of model specification file. Allowable 
    types are 'ASM' (AdvanceSyn Model Specification). Default = 'ASM'.
    @param solver String: Type of solver to use. Allowable types 
    are 'Euler', 'Heun' (Runge-Kutta 2nd method or Trapezoidal), 
    'RK3' (third order Runge-Kutta), 'RK4' (fourth order 
    Runge-Kutta), 'RK38' (fourth order Runge-Kutta method, 3/8 rule), 
    'CK4' (fourth order Cash-Karp), 'CK5' (fifth order Cash-Karp), 
    'RKF4' (fourth order Runge-Kutta-Fehlberg), 'RKF5' (fifth 
    order Runge-Kutta-Fehlberg), 'DP4' (fourth order Dormand-Prince), 
    and 'DP5' (fifth order Dormand-Prince). Default = 'RK4'. 
    @param timestep Float: Time step interval for simulation. 
    Default = 1.0.
    @param endtime Float: Time to end simulation - the simulation 
    will run from 0 to end time. Default = 21600.
    @param lowerbound String: Define lower boundary of objects. For 
    example, "1;2" means that when the value of the object hits 1, 
    it will be bounced back to 2. Default = 0;0; that is, when the 
    value of the object goes to negative, it will be bounced back 
    to zero. 
    @param upperbound String: Define upper boundary of objects. For 
    example, "10;9" means that when the value of the object hits 1, 
    it will be pushed down to 9. Default = 1e-3;1e-3; that is, when 
    the value of the object above 1e-3, it will be pushed back to 
    1e-3. 
    @param odefile String: Python ODE script file to write out. This 
    file will be written into odescript folder. Default = odescript.py.
    @return: A list containing the Python ODE script (one element = 
    one line).
    '''
    modelfile = os.path.abspath(modelfile)
    (spec, modelobj) = modelReader(modelfile, mtype, 'extended')
    datalist = ASModeller.generate_ODE(spec, modelobj, solver, timestep,
                                       endtime, lowerbound, upperbound)
    filepath = fileWriter(datalist, 'odescript', odefile)
    return datalist
Exemplo n.º 2
0
def generateODEScript(modelfile,
                      mtype='ASM',
                      solver='RK4',
                      timestep=1,
                      endtime=21600,
                      odefile='odescript.py'):
    '''!
    Function to generate Python ODE script from a given model 
    specification file.

    Usage:

        python astools.py genODE --modelfile=asm/glycolysis.modelspec --mtype=ASM --solver=RK4 --timestep=1 --endtime=21600 --odefile=glycolysis.py

    @param modelfile String: Name of model specification file in 
    models folder. This assumes that the model file is in models 
    folder.
    @param mtype String: Type of model specification file. Allowable 
    types are 'ASM' (AdvanceSyn Model Specification). Default = 'ASM'.
    @param solver String: Type of solver to use. Allowable types 
    are 'Euler', 'Heun' (Runge-Kutta 2nd method or Trapezoidal), 
    'RK3' (third order Runge-Kutta), 'RK4' (fourth order 
    Runge-Kutta), 'RK38' (fourth order Runge-Kutta method, 3/8 rule), 
    'CK4' (fourth order Cash-Karp), 'CK5' (fifth order Cash-Karp), 
    'RKF4' (fourth order Runge-Kutta-Fehlberg), 'RKF5' (fifth 
    order Runge-Kutta-Fehlberg), 'DP4' (fourth order Dormand-Prince), 
    and 'DP5' (fifth order Dormand-Prince). Default = 'RK4'. 
    @param timestep Float: Time step interval for simulation. 
    Default = 1.0.
    @param endtime Float: Time to end simulation - the simulation 
    will run from 0 to end time. Default = 21600.
    @param odefile String: Python ODE script file to write out. This 
    file will be written into odescript folder. Default = odescript.py.
    @return: A list containing the Python ODE script (one element = 
    one line).
    '''
    modelfile = 'models\\' + modelfile
    (spec, modelobj) = modelReader(modelfile, mtype, 'extended')
    datalist = ASModeller.generate_ODE(spec, modelobj, solver, timestep,
                                       endtime)
    filepath = fileWriter(datalist, 'odescript', odefile)
    return datalist
Exemplo n.º 3
0
def localSensitivity(modelfile, multiple=100, prefix='', 
                     mtype='ASM', solver='RK4', timestep=1, 
                     endtime=21600, cleanup=True, 
                     outfmt='reduced', sampling=100,
                     resultfile='sensitivity_analysis.csv'):
    '''!
    Function to perform local sensitivity analysis using OFAT/OAT 
    (one factor at a time) method where the last data time (end 
    time) simulation results are recorded into results file.

    Usage:

        python astools.py LSA --modelfile=models/asm/glycolysis.modelspec --prefix=sen01 --mtype=ASM --multiple=100 --solver=RK4 --timestep=1 --endtime=21600 --cleanup=True --outfmt=reduced --resultfile=sensitivity_analysis.csv

    @param modelfile String: Name of model specification file in 
    models folder. This assumes that the model file is not in models 
    folder.
    @param multiple Integer: Multiples to change each variable value. 
    Default = 100 (which will multiple the original parameter value 
    by 100).
    @param prefix String: A prefixing string for the set of new model 
    specification for identification purposes. Default = ''.
    @param mtype String: Type of model specification file. Allowable 
    types are 'ASM' (AdvanceSyn Model Specification). Default = 'ASM'.
    @param solver String: Type of solver to use. Allowable types 
    are 'Euler', 'Heun' (Runge-Kutta 2nd method or Trapezoidal), 
    'RK3' (third order Runge-Kutta), 'RK4' (fourth order 
    Runge-Kutta), 'RK38' (fourth order Runge-Kutta method, 3/8 rule), 
    'CK4' (fourth order Cash-Karp), 'CK5' (fifth order Cash-Karp), 
    'RKF4' (fourth order Runge-Kutta-Fehlberg), 'RKF5' (fifth 
    order Runge-Kutta-Fehlberg), 'DP4' (fourth order Dormand-Prince), 
    and 'DP5' (fifth order Dormand-Prince). Default = 'RK4'. 
    @param timestep Float: Time step interval for simulation. 
    Default = 1.0.
    @param endtime Float: Time to end simulation - the simulation 
    will run from 0 to end time. Default = 21600.
    @param cleanup String: Flag to determine whether to remove all 
    generated temporary models and ODE code files. Default = True.
    @param outfmt String: Output format. Allowable types are 'reduced' 
    (only the final result will be saved into resultfile) and 'full' 
    (all data, depending on sampling, will be saved into resultfile).
    @param sampling Integer: Sampling frequency. If 100, means only 
    every 100th simulation result will be written out. The first 
    (start) and last (end) result will always be written out. 
    Default = 100.
    @param resultfile String: Relative or absolute file path to 
    write out sensitivity results. Default = 'sensitivity_analysis.csv'
    '''
    MSF = sensitivityGenerator(modelfile, multiple, prefix, mtype)
    outfmt = str(outfmt).lower()
    sampling = int(sampling)
    resultfile = os.path.abspath(resultfile)
    resultfile = open(resultfile, 'w')
    header = False
    msf_count = len(MSF)
    model_count = 0
    for param in MSF:
        model_count = model_count + 1
        # Generate ODE codes from model
        (spec, modelobj) = modelReader(MSF[param]['ASM'], 
                                    mtype, 'extended')
        print('Processing model %s of %s: %s' % \
            (model_count, msf_count, MSF[param]['ASM']))
        ODECode = ASModeller.generate_ODE(spec, modelobj, solver, 
                 timestep, endtime)
        odefile = re.sub('\.', '_', param)
        filepath = fileWriter(ODECode, 'models/temp', odefile + '.py')
        MSF[param]['ODE'] = filepath
        # Simulate ODE codes
        m = importlib.import_module('models.temp.'+ odefile)
        if header == False:
            labels = ['Parameter', 'Change'] + m.labels
            resultfile.write(','.join(labels) + '\n')
            header = True
        simData = []
        data_row_count = 0
        for data in m.model:
            if outfmt == "reduced":
                simData = [str(x) for x in data]
            elif outfmt == "full":
                if (data_row_count % sampling) == 0:
                    simData.append([str(x) for x in data])
                data_row_count = data_row_count + 1
        MSF[param]['Data'] = simData
        # Write out sensitivity results to resultfile
        if outfmt == "reduced":
            data = [param, MSF[param]['Change']] + MSF[param]['Data']
            data = [str(x) for x in data]
            resultfile.write(','.join(data) + '\n')
        elif outfmt == "full":
            for datarow in MSF[param]['Data']:
                data = [param, MSF[param]['Change']] + datarow
                data = [str(x) for x in data]
                resultfile.write(','.join(data) + '\n')
    resultfile.close()
    if str(cleanup).upper() == 'TRUE':
        for param in MSF:
            ASMfile = MSF[param]['ASM']
            ODEfile = MSF[param]['ODE']
            os.remove(ASMfile)
            os.remove(ODEfile)
Exemplo n.º 4
0
def localSensitivity(modelfile,
                     multiple=100,
                     prefix='',
                     mtype='ASM',
                     solver='RK4',
                     timestep=1,
                     endtime=21600,
                     cleanup=True,
                     resultfile='sensitivity_analysis.csv'):
    '''!
    Function to perform local sensitivity analysis using OFAT/OAT 
    (one factor at a time) method where the last data time (end 
    time) simulation results are recorded into results file.

    Usage:

        python astools.py LSA --modelfile=asm/glycolysis.modelspec --prefix=sen01 --mtype=ASM --multiple=100 --solver=RK4 --timestep=1 --endtime=21600 --cleanup=True --resultfile=sensitivity_analysis.csv

    @param modelfile String: Name of model specification file in 
    models folder.
    @param multiple Integer: Multiples to change each variable value. 
    Default = 100 (which will multiple the original parameter value 
    by 100).
    @param prefix String: A prefixing string for the set of new model 
    specification for identification purposes. Default = ''.
    @param mtype String: Type of model specification file. Allowable 
    types are 'ASM' (AdvanceSyn Model Specification). Default = 'ASM'.
    @param solver String: Type of solver to use. Allowable types 
    are 'Euler', 'Heun' (Runge-Kutta 2nd method or Trapezoidal), 
    'RK3' (third order Runge-Kutta), 'RK4' (fourth order 
    Runge-Kutta), 'RK38' (fourth order Runge-Kutta method, 3/8 rule), 
    'CK4' (fourth order Cash-Karp), 'CK5' (fifth order Cash-Karp), 
    'RKF4' (fourth order Runge-Kutta-Fehlberg), 'RKF5' (fifth 
    order Runge-Kutta-Fehlberg), 'DP4' (fourth order Dormand-Prince), 
    and 'DP5' (fifth order Dormand-Prince). Default = 'RK4'. 
    @param timestep Float: Time step interval for simulation. 
    Default = 1.0.
    @param endtime Float: Time to end simulation - the simulation 
    will run from 0 to end time. Default = 21600.
    @param cleanup String: Flag to determine whether to remove all 
    generated temporary models and ODE code files. Default = True.
    @param resultfile String: Relative or absolute file path to 
    write out sensitivity results. Default = 'sensitivity_analysis.csv'
    '''
    MSF = sensitivityGenerator(modelfile, multiple, prefix, mtype)
    for param in MSF:
        # Generate ODE codes from model
        (spec, modelobj) = modelReader(MSF[param]['ASM'], mtype, 'extended')
        print('Processing model: %s' % MSF[param]['ASM'])
        ODECode = ASModeller.generate_ODE(spec, modelobj, solver, timestep,
                                          endtime)
        odefile = re.sub('\.', '_', param)
        filepath = fileWriter(ODECode, 'models/temp', odefile + '.py')
        MSF[param]['ODE'] = filepath
        # Simulate ODE codes
        m = importlib.import_module('models.temp.' + odefile)
        labels = [param, 'Change'] + m.labels
        for data in m.model:
            simData = [str(x) for x in data]
        MSF[param]['Data'] = simData
    resultfile = os.path.abspath(resultfile)
    resultfile = open(resultfile, 'w')
    resultfile.write(','.join(labels) + '\n')
    for param in MSF:
        data = [param, MSF[param]['Change']] + MSF[param]['Data']
        data = [str(x) for x in data]
        resultfile.write(','.join(data) + '\n')
    resultfile.close()
    if str(cleanup).upper() == 'TRUE':
        for param in MSF:
            ASMfile = MSF[param]['ASM']
            ODEfile = MSF[param]['ODE']
            os.remove(ASMfile)
            os.remove(ODEfile)