| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| # flake8: noqa |
| |
| import itertools |
| |
| try: |
| import numpy as np |
| except ImportError: |
| # numpy is not firmly required |
| np = None |
| |
| import sys |
| import six |
| from six import BytesIO, StringIO, string_types as py_string |
| |
| |
| PY26 = sys.version_info[:2] == (2, 6) |
| PY2 = sys.version_info[0] == 2 |
| |
| try: |
| if PY26: |
| import unittest2 as unittest |
| else: |
| import unittest |
| except ImportError: |
| # If we can't import 'unittest', then our tests won't be able |
| # to run. But, that's fine. |
| pass |
| |
| if PY2: |
| import cPickle |
| |
| try: |
| from cdecimal import Decimal |
| except ImportError: |
| from decimal import Decimal |
| |
| unicode_type = unicode |
| lzip = zip |
| zip = itertools.izip |
| |
| def dict_values(x): |
| return x.values() |
| |
| range = xrange |
| long = long |
| |
| def tobytes(o): |
| if isinstance(o, unicode): |
| return o.encode('utf8') |
| else: |
| return o |
| |
| def frombytes(o): |
| return o |
| |
| def dict_iter(o): |
| return o.items() |
| |
| else: |
| unicode_type = str |
| def lzip(*x): |
| return list(zip(*x)) |
| long = int |
| zip = zip |
| def dict_values(x): |
| return list(x.values()) |
| from decimal import Decimal |
| range = range |
| |
| def tobytes(o): |
| if isinstance(o, str): |
| return o.encode('utf8') |
| else: |
| return o |
| |
| def frombytes(o): |
| return o.decode('utf8') |
| |
| def dict_iter(o): |
| return list(o.items()) |
| |
| |
| integer_types = six.integer_types |
| if np is not None: |
| integer_types += (np.integer,) |