如何在Python中将彩色文本输出到终端?


当前回答

这里有一种更有效的方法。

# Colours
pure_red = "\033[0;31m"
dark_green = "\033[0;32m"
orange = "\033[0;33m"
dark_blue = "\033[0;34m"
bright_purple = "\033[0;35m"
dark_cyan = "\033[0;36m"
dull_white = "\033[0;37m"
pure_black = "\033[0;30m"
bright_red = "\033[0;91m"
light_green = "\033[0;92m"
yellow = "\033[0;93m"
bright_blue = "\033[0;94m"
magenta = "\033[0;95m"
light_cyan = "\033[0;96m"
bright_black = "\033[0;90m"
bright_white = "\033[0;97m"
cyan_back = "\033[0;46m"
purple_back = "\033[0;45m"
white_back = "\033[0;47m"
blue_back = "\033[0;44m"
orange_back = "\033[0;43m"
green_back = "\033[0;42m"
pink_back = "\033[0;41m"
grey_back = "\033[0;40m"
grey = '\033[38;4;236m'
bold = "\033[1m"
underline = "\033[4m"
italic = "\033[3m"
darken = "\033[2m"
invisible = '\033[08m'
reverse_colour = '\033[07m'
reset_colour = '\033[0m'
grey = "\x1b[90m"

用户手册

reverseColor表示您反转刚刚选择的颜色,但处于高亮模式(默认为白色)。pink_back(green_back等…带有back的)表示它以粉色突出显示(基于名称)。reset_colour重置颜色(详见图1)。

我相信我不需要解释太多,因为它列在变量名中。

如果您想尝试代码,请转到replit IDE测试代码。示例代码在这里


代码(图1):

输出(图2):

其他回答

这在某种程度上取决于您所在的平台。最常见的方法是打印ANSI转义序列。举个简单的例子,这里有一些来自Blender构建脚本的Python代码:

class bcolors:
    HEADER = '\033[95m'
    OKBLUE = '\033[94m'
    OKCYAN = '\033[96m'
    OKGREEN = '\033[92m'
    WARNING = '\033[93m'
    FAIL = '\033[91m'
    ENDC = '\033[0m'
    BOLD = '\033[1m'
    UNDERLINE = '\033[4m'

要使用这样的代码,可以执行以下操作:

print(bcolors.WARNING + "Warning: No active frommets remain. Continue?" + bcolors.ENDC)

或者,使用Python 3.6+:

print(f"{bcolors.WARNING}Warning: No active frommets remain. Continue?{bcolors.ENDC}")

这将在包括OS X、Linux和Windows在内的UNIX上运行(如果您使用ANSICON,或者在Windows 10中启用VT100仿真)。有用于设置颜色、移动光标等的ANSI代码。

如果你要对此感到复杂(如果你正在编写游戏,这听起来就像是这样),你应该看看“诅咒”模块,它为你处理了很多复杂的部分。Python诅咒HowTO是一个很好的介绍。

如果您不使用扩展ASCII(即,不在PC上),则您只能使用127以下的ASCII字符,而“#”或“@”可能是块的最佳选择。如果您可以确保您的终端使用的是IBM扩展的ASCII字符集,那么您有更多的选项。字符176、177、178和219是“块字符”。

一些基于文本的现代程序,如“矮人堡垒”,以图形模式模拟文本模式,并使用经典PC字体的图像。您可以在矮人要塞Wiki中找到一些位图(用户制作的瓷砖)。

文本模式演示比赛有更多的资源用于在文本模式下制作图形。

https://raw.github.com/fabric/fabric/master/fabric/colors.py

"""
.. versionadded:: 0.9.2

Functions for wrapping strings in ANSI color codes.

Each function within this module returns the input string ``text``, wrapped
with ANSI color codes for the appropriate color.

For example, to print some text as green on supporting terminals::

    from fabric.colors import green

    print(green("This text is green!"))

Because these functions simply return modified strings, you can nest them::

    from fabric.colors import red, green

    print(red("This sentence is red, except for " + \
          green("these words, which are green") + "."))

If ``bold`` is set to ``True``, the ANSI flag for bolding will be flipped on
for that particular invocation, which usually shows up as a bold or brighter
version of the original color on most terminals.
"""


def _wrap_with(code):

    def inner(text, bold=False):
        c = code
        if bold:
            c = "1;%s" % c
        return "\033[%sm%s\033[0m" % (c, text)
    return inner

red = _wrap_with('31')
green = _wrap_with('32')
yellow = _wrap_with('33')
blue = _wrap_with('34')
magenta = _wrap_with('35')
cyan = _wrap_with('36')
white = _wrap_with('37')

如果您正在使用Django:

>>> from django.utils.termcolors import colorize
>>> print colorize("Hello, World!", fg="blue", bg='red',
...                 opts=('bold', 'blink', 'underscore',))
Hello World!
>>> help(colorize)

快照:

(我通常在runserver终端上使用彩色输出进行调试,所以我添加了它。)

您可以测试它是否安装在您的机器中:$python-c“import django;print django.VERSION”。要安装它,请查看:如何安装django

试试看!!

试试这个简单的代码

def prRed(prt):
    print(f"\033[91m{prt}\033[00m")

def prGreen(prt):
    print(f"\033[92m{prt}\033[00m")

def prYellow(prt):
    print(f"\033[93m{prt}\033[00m")

def prLightPurple(prt):
    print(f"\033[94m{prt}\033[00m")

def prPurple(prt):
    print(f"\033[95m{prt}\033[00m")

def prCyan(prt):
    print(f"\033[96m{prt}\033[00m")

def prLightGray(prt):
    print(f"\033[97m{prt}\033[00m")

def prBlack(prt):
    print(f"\033[98m{prt}\033[00m")

def prReset(prt):
    print(f"\033[0m{prt}\033[00m")

prGreen("Hello, Green World!")
prBlack("Hello, Black World!")
prCyan("Hello, Cyan World!")
prGreen("Hello, Green World!")
prLightGray("Hello, Light Grey World!")
prLightPurple("Hello, Light Purple World!")
prPurple("Hello, Purple World!")
prRed("Hello, Red World!")
prYellow("Hello, Yellow World!")
prReset("Hello, Reset World!")

Python 3示例

# python2
    def prRed(prt): print("\033[91m {}\033[00m" .format(prt))
    def prGreen(prt): print("\033[92m {}\033[00m" .format(prt))
    def prYellow(prt): print("\033[93m {}\033[00m" .format(prt))
    def prLightPurple(prt): print("\033[94m {}\033[00m" .format(prt))
    def prPurple(prt): print("\033[95m {}\033[00m" .format(prt))
    def prCyan(prt): print("\033[96m {}\033[00m" .format(prt))
    def prLightGray(prt): print("\033[97m {}\033[00m" .format(prt))
    def prBlack(prt): print("\033[98m {}\033[00m" .format(prt))

    prGreen("Hello, World!")
# Pure Python 3.x demo, 256 colors
# Works with bash under Linux and MacOS

fg = lambda text, color: "\33[38;5;" + str(color) + "m" + text + "\33[0m"
bg = lambda text, color: "\33[48;5;" + str(color) + "m" + text + "\33[0m"

def print_six(row, format, end="\n"):
    for col in range(6):
        color = row*6 + col - 2
        if color>=0:
            text = "{:3d}".format(color)
            print (format(text,color), end=" ")
        else:
            print(end="    ")   # four spaces
    print(end=end)

for row in range(0, 43):
    print_six(row, fg, " ")
    print_six(row, bg)

# Simple usage: print(fg("text", 160))

在线试用