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import io
import os
import sys
COLORIZE = True
class ANSIColors:
BACKGROUND_YELLOW = "\x1b[43m"
BOLD_GREEN = "\x1b[1;32m"
BOLD_MAGENTA = "\x1b[1;35m"
BOLD_RED = "\x1b[1;31m"
BLACK = "\x1b[30m"
GREEN = "\x1b[32m"
GREY = "\x1b[90m"
MAGENTA = "\x1b[35m"
RED = "\x1b[31m"
RESET = "\x1b[0m"
YELLOW = "\x1b[33m"
NoColors = ANSIColors()
for attr in dir(NoColors):
if not attr.startswith("__"):
setattr(NoColors, attr, "")
def get_colors(colorize: bool = False, *, file=None) -> ANSIColors:
if colorize or can_colorize(file=file):
return ANSIColors()
else:
return NoColors
def can_colorize(*, file=None) -> bool:
if file is None:
file = sys.stdout
if not sys.flags.ignore_environment:
if os.environ.get("PYTHON_COLORS") == "0":
return False
if os.environ.get("PYTHON_COLORS") == "1":
return True
if os.environ.get("NO_COLOR"):
return False
if not COLORIZE:
return False
if os.environ.get("FORCE_COLOR"):
return True
if os.environ.get("TERM") == "dumb":
return False
if not hasattr(file, "fileno"):
return False
if sys.platform == "win32":
try:
import nt
if not nt._supports_virtual_terminal():
return False
except (ImportError, AttributeError):
return False
try:
return os.isatty(file.fileno())
except io.UnsupportedOperation:
return file.isatty()
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