def recurse_add(parent, depth, source):
last_line = source.readline().rstrip()
while last_line:
tabs = last_line.count('\t')
if tabs < depth:
break
child_categ_name = last_line.strip()
child_categ = Category()
child_categ.name = child_categ_name
if parent:
child_categ.parent = parent
child_categ.slug = slugify(child_categ_name)
child_categ.save()
child_categ.my_hash = hash_info.CATEGORY.encode(child_categ.id)
child_categ.save()
last_line = recurse_add(child_categ, tabs+1, source)
return last_line
