ANSI color codes in Python

colors.py

# SGR color constants
# rene-d 2018

class Colors:
    """ ANSI color codes """
    BLACK = "\033[0;30m"
    RED = "\033[0;31m"
    GREEN = "\033[0;32m"
    BROWN = "\033[0;33m"
    BLUE = "\033[0;34m"
    PURPLE = "\033[0;35m"
    CYAN = "\033[0;36m"
    LIGHT_GRAY = "\033[0;37m"
    DARK_GRAY = "\033[1;30m"
    LIGHT_RED = "\033[1;31m"
    LIGHT_GREEN = "\033[1;32m"
    YELLOW = "\033[1;33m"
    LIGHT_BLUE = "\033[1;34m"
    LIGHT_PURPLE = "\033[1;35m"
    LIGHT_CYAN = "\033[1;36m"
    LIGHT_WHITE = "\033[1;37m"
    BOLD = "\033[1m"
    FAINT = "\033[2m"
    ITALIC = "\033[3m"
    UNDERLINE = "\033[4m"
    BLINK = "\033[5m"
    NEGATIVE = "\033[7m"
    CROSSED = "\033[9m"
    END = "\033[0m"
    # cancel SGR codes if we don't write to a terminal
    if not __import__("sys").stdout.isatty():
        for _ in dir():
            if isinstance(_, str) and _[0] != "_":
                locals()[_] = ""
    else:
        # set Windows console in VT mode
        if __import__("platform").system() == "Windows":
            kernel32 = __import__("ctypes").windll.kernel32
            kernel32.SetConsoleMode(kernel32.GetStdHandle(-11), 7)
            del kernel32


if __name__ == '__main__':
    for i in dir(Colors):
        if i[0:1] != "_" and i != "END":
            print("{:>16} {}".format(i, getattr(Colors, i) + i + Colors.END))

colors.sh

#! /bin/bash
# rene-d 2015

# définition de constantes SGR pour affichage de couleur
# exemple: echo -e ${COLOR_RED}rouge${COLOR_END}

if ! tty -s; then

  # ne pas changer l'indentation des lignes suivantes
  COLOR_BLACK=""
  COLOR_RED=""
  COLOR_GREEN=""
  COLOR_BROWN=""
  COLOR_BLUE=""
  COLOR_PURPLE=""
  COLOR_CYAN=""
  COLOR_LIGHT_GRAY=""
  COLOR_DARK_GRAY=""
  COLOR_LIGHT_RED=""
  COLOR_LIGHT_GREEN=""
  COLOR_YELLOW=""
  COLOR_LIGHT_BLUE=""
  COLOR_LIGHT_PURPLE=""
  COLOR_LIGHT_CYAN=""
  COLOR_LIGHT_WHITE=""
  COLOR_BOLD=""
  COLOR_FAINT=""
  COLOR_ITALIC=""
  COLOR_UNDERLINE=""
  COLOR_BLINK=""
  COLOR_NEGATIVE=""
  COLOR_CROSSED=""
  COLOR_END=""

else

# ne pas indenter les lignes suivantes (pour le sed suivant)
COLOR_BLACK="\033[0;30m"
COLOR_RED="\033[0;31m"
COLOR_GREEN="\033[0;32m"
COLOR_BROWN="\033[0;33m"
COLOR_BLUE="\033[0;34m"
COLOR_PURPLE="\033[0;35m"
COLOR_CYAN="\033[0;36m"
COLOR_LIGHT_GRAY="\033[0;37m"
COLOR_DARK_GRAY="\033[1;30m"
COLOR_LIGHT_RED="\033[1;31m"
COLOR_LIGHT_GREEN="\033[1;32m"
COLOR_YELLOW="\033[1;33m"
COLOR_LIGHT_BLUE="\033[1;34m"
COLOR_LIGHT_PURPLE="\033[1;35m"
COLOR_LIGHT_CYAN="\033[1;36m"
COLOR_LIGHT_WHITE="\033[1;37m"
COLOR_BOLD="\033[1m"
COLOR_FAINT="\033[2m"
COLOR_ITALIC="\033[3m"
COLOR_UNDERLINE="\033[4m"
COLOR_BLINK="\033[5m"
COLOR_NEGATIVE="\033[7m"
COLOR_CROSSED="\033[9m"

  # ne pas changer l'indentation des lignes suivantes
  COLOR_END="\033[0m"

fi


# affiche les couleurs
if [ "$1" = "-h" ] ; then
  for i in `cat $0 | sed -e 's/^\(COLOR.*\)=\(.*\)/\1/p;d'`; do
    [ "$i" != "COLOR_END" ] && echo -e ${!i}$i${COLOR_END}
  done
fi

Hello Rene,
I would like to comment on some issues from colors.py but don' t see how to contact you personally.
Hope to hear from you,
Piet from NL

These comments are the best way to comment on issues.

Merci pour les codes couleurs.

For simply white: "\033[0m"