'This method walk a directory structure and create the
Folders and Files as they appear.'

def walker(self, path=None, base_folder=None):

    path = (path or self.path)
    base_folder = (base_folder or self.base_folder)
    path = os.path.normpath(upath(path))
    if base_folder:
        base_folder = os.path.normpath(upath(base_folder))
        print (u'The    directory    structure    will    be    imported    in    %s' % (base_folder,))
    if (self.verbosity >= 1):
        print (u'Import    the    folders    and    files    in    %s' % (path,))
    root_folder_name = os.path.basename(path)
    for (root, dirs, files) in os.walk(path):
        rel_folders = root.partition(path)[2].strip(os.path.sep).split(os.path.sep)
        while (u'' in rel_folders):
            rel_folders.remove(u'')
        if base_folder:
            folder_names = ((base_folder.split(u'/') + [root_folder_name]) + rel_folders)
        else:
            folder_names = ([root_folder_name] + rel_folders)
        folder = self.get_or_create_folder(folder_names)
        for file_obj in files:
            dj_file = DjangoFile(open(os.path.join(root, file_obj), mode=u'rb'), name=file_obj)
            self.import_file(file_obj=dj_file, folder=folder)
    if (self.verbosity >= 1):
        print ((u'folder_created    #%s    /    file_created    #%s    /    ' + u'image_created    #%s') % (self.folder_created, self.file_created, self.image_created))
