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"""
pprint and pformat wrappers with colorization support
"""
import ctypes
import platform
import sys
from pprint import pformat as pformat_
from typing import Any
from packaging.version import Version as parse_version
def _enable_windows_terminal_processing() -> bool:
# https://stackoverflow.com/a/36760881
kernel32 = ctypes.windll.kernel32 # type: ignore[attr-defined]
return bool(kernel32.SetConsoleMode(kernel32.GetStdHandle(-11), 7))
def _tty_supports_color() -> bool:
if sys.platform != "win32":
return True
if parse_version(platform.version()) < parse_version("10.0.14393"):
return True
# Windows >= 10.0.14393 interprets ANSI escape sequences providing terminal
# processing is enabled.
return _enable_windows_terminal_processing()
def _colorize(text: str, colorize: bool = True) -> str:
# pylint: disable=no-name-in-module
if not colorize or not sys.stdout.isatty() or not _tty_supports_color():
return text
try:
from pygments import highlight
except ImportError:
return text
from pygments.formatters import TerminalFormatter
from pygments.lexers import PythonLexer
return highlight(text, PythonLexer(), TerminalFormatter())
def pformat(obj: Any, *args: Any, **kwargs: Any) -> str:
return _colorize(pformat_(obj), kwargs.pop("colorize", True))
def pprint(obj: Any, *args: Any, **kwargs: Any) -> None:
print(pformat(obj, *args, **kwargs))
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