sub2srt-python source

#-------------------------------------------------------------------------------
# Name:        sub2srt
# Purpose:
#
# Author:      Bojan
#
# Created:     24/06/2012
# Licence:     bsd
#-------------------------------------------------------------------------------
#!/usr/bin/env python

import os
import sys

def conversion(a):
    #do the text
    start = a.split('}{',1) [0][1:]
    tem = a.split('}{',1) [1]
    end = tem.split('}',1)[0]
    text = a.split('}',2)[2]
    #replace | with newline
    text = text.replace('|','\n')
    start = timec(start)
    end = timec(end)
    #print (   "{0} --> {1}\n{2}".format(start, end, text) )
    return "{0} --> {1}\n{2}".format(start, end, text)

def timec(ti):
    #conversion time
    sec = int(ti)/frames

    h = str( int((int(sec/60)-int(sec/60)%60)/60) )
    m = str( int(sec/60)%60 )
    s = str( int(sec%60) )

    c = str( round(sec%100,3) )
    c = (  c.split('.',1) [1]   )

    if c == "":
        #c must be string, not c = 0
        c = '0'

    if (len(h)==1):
        h = '0'+h

    if (len(m)==1):
        m = '0'+m

    if (len(s)==1):
        s = '0'+s

    #after decimal 3=300, not 003
    if (len(c)==1):
        c = c+'00'

    if (len(c)==2):
        c = c+'0'

    #print (   "{0}:{1}:{2},{3}".format(h, m,s,c)       )
    return "{0}:{1}:{2},{3}".format(h, m,s,c)

def main():
    #0 = prog, ...

    if len(sys.argv) < 4:
        print ('sub2srt-python input.sub output.srt fps')
        sys.exit()

    infile = sys.argv[1]
    fo = open(infile,'r')

    global frames
    frames = float(sys.argv[3])

    outf = sys.argv[2]
    if os.path.isfile(outf):
        os.remove(outf)
    of = open(outf,'a')

    for indx,line in enumerate(fo):
        of.write( str(indx+1) + '\n' + conversion(line)+ '\n' )

    fo.close()
    of.close()

if __name__ == '__main__':
    main()