1# -*- coding: utf-8 -*- 2# 3# progressbar - Text progress bar library for Python. 4# Copyright (c) 2005 Nilton Volpato 5# 6# SPDX-License-Identifier: LGPL-2.1-or-later OR BSD-3-Clause-Clear 7# 8# This library is free software; you can redistribute it and/or 9# modify it under the terms of the GNU Lesser General Public 10# License as published by the Free Software Foundation; either 11# version 2.1 of the License, or (at your option) any later version. 12# 13# This library is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16# Lesser General Public License for more details. 17# 18# You should have received a copy of the GNU Lesser General Public 19# License along with this library; if not, write to the Free Software 20# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 21 22"""Compatibility methods and classes for the progressbar module.""" 23 24 25# Python 3.x (and backports) use a modified iterator syntax 26# This will allow 2.x to behave with 3.x iterators 27try: 28 next 29except NameError: 30 def next(iter): 31 try: 32 # Try new style iterators 33 return iter.__next__() 34 except AttributeError: 35 # Fallback in case of a "native" iterator 36 return iter.next() 37 38 39# Python < 2.5 does not have "any" 40try: 41 any 42except NameError: 43 def any(iterator): 44 for item in iterator: 45 if item: return True 46 return False 47