mirror of
https://github.com/mbusb/multibootusb
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918ebfd35d
- bundled Colorama module (https://pypi.python.org/pypi/colorama) - add initial debug API using ANSI colors
83 lines
1.9 KiB
Python
83 lines
1.9 KiB
Python
# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
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import atexit
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import contextlib
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import sys
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from .ansitowin32 import AnsiToWin32
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orig_stdout = None
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orig_stderr = None
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wrapped_stdout = None
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wrapped_stderr = None
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atexit_done = False
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def reset_all():
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if AnsiToWin32 is not None: # Issue #74: objects might become None at exit
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AnsiToWin32(orig_stdout).reset_all()
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def init(autoreset=False, convert=None, strip=None, wrap=True):
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if not wrap and any([autoreset, convert, strip]):
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raise ValueError('wrap=False conflicts with any other arg=True')
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global wrapped_stdout, wrapped_stderr
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global orig_stdout, orig_stderr
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orig_stdout = sys.stdout
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orig_stderr = sys.stderr
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if sys.stdout is None:
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wrapped_stdout = None
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else:
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sys.stdout = wrapped_stdout = \
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wrap_stream(orig_stdout, convert, strip, autoreset, wrap)
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if sys.stderr is None:
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wrapped_stderr = None
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else:
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sys.stderr = wrapped_stderr = \
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wrap_stream(orig_stderr, convert, strip, autoreset, wrap)
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global atexit_done
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if not atexit_done:
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atexit.register(reset_all)
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atexit_done = True
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def deinit():
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if orig_stdout is not None:
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sys.stdout = orig_stdout
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if orig_stderr is not None:
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sys.stderr = orig_stderr
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@contextlib.contextmanager
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def colorama_text(*args, **kwargs):
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init(*args, **kwargs)
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try:
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yield
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finally:
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deinit()
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def reinit():
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if wrapped_stdout is not None:
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sys.stdout = wrapped_stdout
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if wrapped_stderr is not None:
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sys.stderr = wrapped_stderr
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def wrap_stream(stream, convert, strip, autoreset, wrap):
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if wrap:
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wrapper = AnsiToWin32(stream,
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convert=convert, strip=strip, autoreset=autoreset)
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if wrapper.should_wrap():
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stream = wrapper.stream
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return stream
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