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# -*- coding: utf-8 -*-
#
# progressbar - Text progress bar library for Python.
# Copyright (c) 2005 Nilton Volpato
#
# SPDX-License-Identifier: LGPL-2.1-or-later OR BSD-3-Clause-Clear
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""Compatibility methods and classes for the progressbar module."""
# Python 3.x (and backports) use a modified iterator syntax
# This will allow 2.x to behave with 3.x iterators
try:
next
except NameError:
def next(iter):
try:
# Try new style iterators
return iter.__next__()
except AttributeError:
# Fallback in case of a "native" iterator
return iter.next()
# Python < 2.5 does not have "any"
try:
any
except NameError:
def any(iterator):
for item in iterator:
if item: return True
return False
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