def ContingencyFiles(idvfiles):
Contingency_Files(idv_files):
    idev = [a for a in listdir(idvfiles) listdir(idv_files) if isfile(join(idvfiles, isfile(join(idv_files, a))]
    idevinfile idev_infile = []
    for i in idev:
        idevinfile.append(os.path.splitext(i)[0])
idev_infile.append(os.path.splitext(i)[0])
    return idev_infile
 
idev_infile

def ConvertedFiles(cnvfiles):
Converted_Files(cnv_files):
    cnv = [b for b in listdir(cnvfiles) listdir(cnv_files) if isfile(join(cnvfiles, isfile(join(cnv_files, b))]
    cnvinfile cnv_infile = []
    for j in cnv:
        cnvinfile.append(os.path.splitext(j)[0])
cnv_infile.append(os.path.splitext(j)[0])
    return cnv_infile
 
cnv_infile

def SnapshotFiles(snpfiles):
Snapshot_Files(snp_files):
    snp = [c for c in listdir(snpfiles) listdir(snp_files) if isfile(join(snpfiles, isfile(join(snp_files, c))]
    snpinfile snp_infile = []
    for k in snp:
        snpinfile.append(os.path.splitext(k)[0])
snp_infile.append(os.path.splitext(k)[0])
    return snp_infile
 
snp_infile

def log_out(directory):
    try:
        if not os.path.exists(directory):
            os.makedirs(directory)
    except OSError:
        print ('Error: Creating directory. ' +  directory)
 
*******Main Program********
 
*******************
 
directory)

#*************************Main Program************************#
#*************************************************************#
if name __name__ == 'main':
    '__main__':
import os, sys
 from os import listdir
 from os.path import isfile, join
 from os.path import splitext
 import time
 
*******Set time

#************************Set PSS/E Path******
 
Path***********************#
pssedir = r"""C:\Program Files (x86)\PTI\PSSE32\PSSBIN"""

 sys.path.append (pssedir)
os.environ["PATH"] = os.environ["PATH"] + ";" + pssedir
 
*****Define 
#*******************Define Working Directory******
 
Directory******************#

study_folder = r"""D:/Studies/BBB/"""
idv_files = r"""D:/Studies/BBB/contingency/"""
cnv_files = r"""D:/Studies/BBB/converted/"""
snp_files = r"""D:/Studies/BBB/snapshot/"""
 
******Import 
#*********************Import psspy modules*****
 
modules********************#

import psspy
import redirect
_i = psspy.getdefaultint()
_f = psspy.getdefaultreal()
_c = psspy.getdefaultchar()
 
****Redirect 
#***************Redirect PSS/E Output to Python****
 
Python***************#

redirect.psse2py()
 
*******Initialize PSS/E******
 

#************************Initialize PSS/E*********************#

psspy.psseinit(150000)
 
******Run 
#*********************Run Dynamic Simulation*****
 
Simulation******************#

for x, y in zip(Converted_Files(cnv_files),Snapshot_Files(snp_files)):
    log_out(x)
    for z in Contingency_Files(idv_files):
        print 'Simulation executed at time ', time.ctime()
        print 'The snapshot file is ', y + '.'
        print 'The case file is ', x + '.'
        print 'The Fault ID is ', z + '.'
        print 'Processing dynamic simulation for Fault ID ', z + '...'
        psspy.progress_output(2, study_folder + x + "/" + z + '.pdev', [0,0])
        psspy.prompt_output(2, study_folder + x + "/" + z + '.odev', [0,0])
        try:
            psspy.rstr(snp_files + y + '.snp')
        except:
            print 'Error while opening the file ', y
            sys.exit(0)
        psspy.powerflowmode()
        try: 
            psspy.case(cnv_files + x + '.cnv')
        except:
            print 'Error while opening the file ', x
            sys.exit(0)
        psspy.ordr(0)
        psspy.fact()
        psspy.tysl(0)
        psspy.dynamicsmode(0)
        psspy.strt(1, study_folder + x + "/" + z + '.out')
        psspy.runrspnsfile(idv_files + z + '.idv')
        psspy.run(1,15,60,3,0)
        psspy.progress_output(1,'', [0,0])
        psspy.prompt_output(1,'', [0,0])
        print 'Simulation finished at time ', time.ctime()
        print 'Dynamic simulation for Fault ID ', z + ' complete! \n\n'

print 'Total Simulation finished at time ', time.ctime()
print '\nEnd of Dynamic Simulation \n'