Recursive, random directory creation with Python

make-directories.py

import os,sys,uuid
global injectedLegitFile
injectedLegitFile = True

def fillDirectoryWithFiles(path, numFiles, size):
    file_names = [(str(uuid.uuid4())[:10] + ".xlsx") for i in range(0,numFiles)]
    #print file_names
    for name in file_names:
        fileObject = open(path+"/"+name,"w+")
        fileObject.write(os.urandom(size))
        fileObject.close()

def fillDirectoryWithDirectories(path, numDirectories):
    dir_names = [str(uuid.uuid4())[:10] for i in range(0,numDirectories)]
    #print dir_names
    for name in dir_names:
        os.makedirs( path+"/"+name, 0755 )

def recursiveFill(path, numFiles, numDirectories, depth):
    global injectedLegitFile
    #print "Beginning recursiveFill() with depth=" + str(depth)
    if (depth == 0):
        #print "Ending recursiveFill() because depth=0!"
        if (injectedLegitFile == False):
            fileObject = open(path+"/passwords.xlsx","w+")
            fileObject.close()
            print "CREATING LEGIT PASSWORDS FILE IN " + path
            injectedLegitFile = True
        fillDirectoryWithFiles(path, numFiles, 25)
    else:
        fillDirectoryWithFiles(path, numFiles, 25)
        fillDirectoryWithDirectories(path, numDirectories)
        dir_list = listDirectories(path)
        for directory in dir_list:
            recursiveFill((path + "/" + directory), numFiles, numDirectories, (depth-1))

def listDirectories(path):
    f = []
    for (dirpath, dirnames, filenames) in os.walk(path):
        f.extend(dirnames)
        break
    return f

print "CONFIGURATION:"
path = raw_input("Path (ie C:/Users/user/directory) :")
numberOfFiles = input("Number of Files: ")
numberOfDirectories = input("Number of Directories: ")
recursionAmount = input("Recursion Depth: ")
makeLegitFile = raw_input("Should we make a legit file? [y/n]")
if (makeLegitFile == "y"):
    injectedLegitFile = False
else:
    injectedLegitfile = True
    print "Making decoy directory (no legitimate passwords file)!"
recursiveFill(path, numberOfFiles, numberOfDirectories, recursionAmount)