forked from robotframework/robotframework
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathcompat.py
More file actions
76 lines (58 loc) · 2.41 KB
/
compat.py
File metadata and controls
76 lines (58 loc) · 2.41 KB
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
# Copyright 2008-2015 Nokia Networks
# Copyright 2016- Robot Framework Foundation
#
# Licensed 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.
import sys
from .platform import IRONPYTHON, PY2
if PY2:
# io.StringIO only accepts u'foo' with Python 2.
from StringIO import StringIO
def py2to3(cls):
if hasattr(cls, '__unicode__'):
cls.__str__ = lambda self: unicode(self).encode('UTF-8')
return cls
else:
from io import StringIO
def py2to3(cls):
if hasattr(cls, '__unicode__'):
cls.__str__ = lambda self: self.__unicode__()
if hasattr(cls, '__nonzero__'):
cls.__bool__ = lambda self: self.__nonzero__()
return cls
# Copied from Jinja2, released under the BSD license.
# https://github.com/mitsuhiko/jinja2/blob/743598d788528921df825479d64f492ef60bef82/jinja2/_compat.py#L88
def with_metaclass(meta, *bases):
"""Create a base class with a metaclass."""
# This requires a bit of explanation: the basic idea is to make a
# dummy metaclass for one level of class instantiation that replaces
# itself with the actual metaclass.
class metaclass(type):
def __new__(cls, name, this_bases, d):
return meta(name, bases, d)
return type.__new__(metaclass, 'temporary_class', (), {})
# On IronPython sys.stdxxx.isatty() always returns True
if not IRONPYTHON:
def isatty(stream):
# first check if buffer was detached
if hasattr(stream, 'buffer') and stream.buffer is None:
return False
return hasattr(stream, 'isatty') and stream.isatty()
else:
from ctypes import windll
_HANDLE_IDS = {sys.__stdout__ : -11, sys.__stderr__ : -12}
_CONSOLE_TYPE = 2
def isatty(stream):
if stream not in _HANDLE_IDS:
return False
handle = windll.kernel32.GetStdHandle(_HANDLE_IDS[stream])
return windll.kernel32.GetFileType(handle) == _CONSOLE_TYPE