mirror of https://github.com/python/cpython
65 lines
1.4 KiB
Python
65 lines
1.4 KiB
Python
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import io
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import os
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import sys
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COLORIZE = True
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class ANSIColors:
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BOLD_GREEN = "\x1b[1;32m"
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BOLD_MAGENTA = "\x1b[1;35m"
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BOLD_RED = "\x1b[1;31m"
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GREEN = "\x1b[32m"
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GREY = "\x1b[90m"
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MAGENTA = "\x1b[35m"
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RED = "\x1b[31m"
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RESET = "\x1b[0m"
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YELLOW = "\x1b[33m"
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NoColors = ANSIColors()
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for attr in dir(NoColors):
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if not attr.startswith("__"):
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setattr(NoColors, attr, "")
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def get_colors(colorize: bool = False) -> ANSIColors:
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if colorize or can_colorize():
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return ANSIColors()
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else:
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return NoColors
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def can_colorize() -> bool:
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if sys.platform == "win32":
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try:
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import nt
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if not nt._supports_virtual_terminal():
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return False
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except (ImportError, AttributeError):
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return False
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if not sys.flags.ignore_environment:
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if os.environ.get("PYTHON_COLORS") == "0":
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return False
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if os.environ.get("PYTHON_COLORS") == "1":
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return True
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if "NO_COLOR" in os.environ:
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return False
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if not COLORIZE:
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return False
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if not sys.flags.ignore_environment:
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if "FORCE_COLOR" in os.environ:
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return True
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if os.environ.get("TERM") == "dumb":
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return False
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if not hasattr(sys.stderr, "fileno"):
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return False
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try:
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return os.isatty(sys.stderr.fileno())
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except io.UnsupportedOperation:
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return sys.stderr.isatty()
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