aboutsummaryrefslogtreecommitdiffstats
path: root/jython-tosca-parser/src/main/resources/Lib/site-packages/pip/_vendor/colorama/initialise.py
blob: cba3676dd9c26b7db3cc7c5186ae4feffebbda88 (plain)
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
# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
import atexit
import sys

from .ansitowin32 import AnsiToWin32


orig_stdout = sys.stdout
orig_stderr = sys.stderr

wrapped_stdout = sys.stdout
wrapped_stderr = sys.stderr

atexit_done = False


def reset_all():
    AnsiToWin32(orig_stdout).reset_all()


def init(autoreset=False, convert=None, strip=None, wrap=True):

    if not wrap and any([autoreset, convert, strip]):
        raise ValueError('wrap=False conflicts with any other arg=True')

    global wrapped_stdout, wrapped_stderr
    sys.stdout = wrapped_stdout = \
        wrap_stream(orig_stdout, convert, strip, autoreset, wrap)
    sys.stderr = wrapped_stderr = \
        wrap_stream(orig_stderr, convert, strip, autoreset, wrap)

    global atexit_done
    if not atexit_done:
        atexit.register(reset_all)
        atexit_done = True


def deinit():
    sys.stdout = orig_stdout
    sys.stderr = orig_stderr


def reinit():
    sys.stdout = wrapped_stdout
    sys.stderr = wrapped_stdout


def wrap_stream(stream, convert, strip, autoreset, wrap):
    if wrap:
        wrapper = AnsiToWin32(stream,
            convert=convert, strip=strip, autoreset=autoreset)
        if wrapper.should_wrap():
            stream = wrapper.stream
    return stream