#!/usr/bin/env python


import sys, os, shutil, re

def usage():
    print "Usage: "
    print sys.argv[0] + " [source [source ..]] [destination]"
    print "Recursively copy source to destination, while translating "
    print "characters for VFAT."

def fatalerror(message):
    print "Error: " + message
    sys.exit()
    
def cleanfile( filename):
    return re.sub('[^$%\-_@~!(){}#&A-Za-z0-9]','_',filename)
    
if len(sys.argv) < 2:
    usage()
    sys.exit()
    
dest = sys.argv.pop()

for srcfile in sys.argv[1:]:
    
    if not os.access(srcfile,os.R_OK):
        fatalerror( srcfile + " is not readable." )
            
    if os.path.isdir(srcfile):
                
        for root, dirs, files in os.walk(srcfile):
                        
            # print root, dirs, files
            
            for newdir in dirs:
                                
                makedir = os.path.sep.join( [ dest, cleanfile(root), cleanfile(newdir) ] )
                makedir = makedir.replace('//','/')
                
                # if it already exists, great..
                if not os.path.isdir( makedir ):
                    
                    try:                                                
                        print "* makedirs", makedir
                        os.makedirs( makedir )
                        
                    except Exception, e:
                        print "ERROR: Exception in os.makedirs() %s" % e
                else:
                    print "* exists", makedir
                
            for file in files:
                try:

                    copysrc = os.path.join( root, file)
                    
                    copydst = os.path.sep.join( [ dest, cleanfile(root), cleanfile(file) ] )
                    copydst = copydst.replace('//','/')
                    
                    print "* copyfile", copysrc, copydst
                    shutil.copyfile(copysrc, copydst)
                    
                except Exception, e:
                    print "ERROR: Exception in shutil.copyfile() %s" % e
                    
    else:
        
        try:            
            copysrc = srcfile
            copydst = os.path.join( dest, cleanfile(srcfile) )
            print "* copyfile", copysrc, copydst
            shutil.copyfile(copysrc, copydst)
            
        except Exception, e:
            print "ERROR: Exception in shutil.copyfile() %s" % e