1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
# 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
import numpy as np
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
if PY26:
import unittest2 as unittest
else:
import unittest
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
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 encode_file_path(path):
import os
# Windows requires utf-16le encoding for unicode file names
if isinstance(path, unicode_type):
if os.name == 'nt':
# try:
# encoded_path = path.encode('ascii')
# except:
encoded_path = path.encode('utf-16le')
else:
# POSIX systems can handle utf-8
encoded_path = path.encode('utf-8')
else:
encoded_path = path
return encoded_path
def guid():
from uuid import uuid4
guid = uuid4()
return guid.get_hex() if PY2 else guid.hex
integer_types = six.integer_types + (np.integer,)
from distutils.version import LooseVersion
import pandas
if LooseVersion(pandas.__version__) < '0.19.0':
pdapi = pandas.core.common
else:
pdapi = pandas.api.types
|
