如何在Python中将彩色文本输出到终端?
当前回答
根据乔尔德的回答,这简直太简单了:
class PrintInColor:
RED = '\033[91m'
GREEN = '\033[92m'
YELLOW = '\033[93m'
LIGHT_PURPLE = '\033[94m'
PURPLE = '\033[95m'
END = '\033[0m'
@classmethod
def red(cls, s, **kwargs):
print(cls.RED + s + cls.END, **kwargs)
@classmethod
def green(cls, s, **kwargs):
print(cls.GREEN + s + cls.END, **kwargs)
@classmethod
def yellow(cls, s, **kwargs):
print(cls.YELLOW + s + cls.END, **kwargs)
@classmethod
def lightPurple(cls, s, **kwargs):
print(cls.LIGHT_PURPLE + s + cls.END, **kwargs)
@classmethod
def purple(cls, s, **kwargs):
print(cls.PURPLE + s + cls.END, **kwargs)
那么就
PrintInColor.red('hello', end=' ')
PrintInColor.green('world')
其他回答
这个答案试图通过使用正则表达式为文本块中的关键字着色来扩展将着色文本写入终端的概念。
这个答案还使用了Python库Rich,在前面的问题答案中简要介绍了它。在这个答案中,我使用函数rich.color.ANSI_color_NAMES获取一个随机的颜色列表,用于突出显示预定义的搜索项。
import random
import re as regex
from rich import color
from rich import print
def create_dynamic_regex(search_words):
"""
This function is used to create a dynamic regular expression
string and a list of random colors. Both these elements will
be used in the function colorize_text()
:param search_words: list of search terms
:return: regular expression search string and a list of colors
:rtype: string, list
"""
colors_required = create_list_of_colors(len(search_words))
number_of_search_words = len(search_words)
combined_string = ''
for search_word in search_words:
number_of_search_words -= 1
if number_of_search_words != 0:
current_string = ''.join(r'(\b' + search_word + r'\b)|')
combined_string = (combined_string + current_string)
elif number_of_search_words == 0:
current_string = ''.join(r'(\b' + search_word + r'\b)')
combined_string = (combined_string + current_string)
return combined_string, colors_required
def random_color():
"""
This function is used to create a random color using the
Python package rich.
:return: color name
:rtype: string
"""
selected_color = random.choice(list(color.ANSI_COLOR_NAMES.keys()))
return selected_color
def create_list_of_colors(number_of_colors):
"""
This function is used to generate a list of colors,
which will be used in the function colorize_text()
:param number_of_colors:
:return: list of colors
:rtype: list
"""
list_of_colors = [random_color() for _ in range(number_of_colors)]
return list_of_colors
def colorize_text(text, regex_string, array_of_colors):
"""
This function is used to colorize specific words in a text string.
:param text: text string potentially containing specific words to colorize.
:param regex_string: regular expression search string
:param array_of_colors: list of colors
:return: colorized text
:rtype: string
"""
available_colors = array_of_colors
word_regex = regex.compile(f"{regex_string}", regex.IGNORECASE)
i = 0
output = ""
for word in word_regex.finditer(text):
get_color = available_colors[word.lastindex - 1]
output += "".join([text[i:word.start()],
"[%s]" % available_colors[word.lastindex - 1],
text[word.start():word.end()], "[/%s]" % available_colors[word.lastindex - 1]])
i = word.end()
return ''.join([output, text[word.end():]])
def generate_console_output(text_to_search, words_to_find):
"""
This function is used generate colorized text that will
be outputting to the console.
:param text_to_search: text string potentially containing specific words to colorize.
:param words_to_find: list of search terms.
:return: A string containing colorized words.
:rtype: string
"""
search_terms, colors = create_dynamic_regex(words_to_find)
colorize_html = colorize_text(text_to_search, search_terms, colors)
print(colorize_html)
text = "The dog chased the cat that was looking for the mouse that the dog was playing with."
words = ['dog', 'cat', 'mouse']
generate_console_output(text, words)
以下是上述代码的打印输出:
我创建了两个用于为文本着色的GIST。
彩色文本终端输出彩色文本HTML输出
我使用for循环生成了一个包含所有颜色的类,将颜色的每个组合迭代到100,然后用Python颜色编写了一个类。复制并粘贴,GPLv2由我执行:
class colors:
'''Colors class:
Reset all colors with colors.reset
Two subclasses fg for foreground and bg for background.
Use as colors.subclass.colorname.
i.e. colors.fg.red or colors.bg.green
Also, the generic bold, disable, underline, reverse, strikethrough,
and invisible work with the main class
i.e. colors.bold
'''
reset='\033[0m'
bold='\033[01m'
disable='\033[02m'
underline='\033[04m'
reverse='\033[07m'
strikethrough='\033[09m'
invisible='\033[08m'
class fg:
black='\033[30m'
red='\033[31m'
green='\033[32m'
orange='\033[33m'
blue='\033[34m'
purple='\033[35m'
cyan='\033[36m'
lightgrey='\033[37m'
darkgrey='\033[90m'
lightred='\033[91m'
lightgreen='\033[92m'
yellow='\033[93m'
lightblue='\033[94m'
pink='\033[95m'
lightcyan='\033[96m'
class bg:
black='\033[40m'
red='\033[41m'
green='\033[42m'
orange='\033[43m'
blue='\033[44m'
purple='\033[45m'
cyan='\033[46m'
lightgrey='\033[47m'
在我看来,这是最简单的方法。只要您具有所需颜色的RGB值,这应该可以工作:
def colored(r, g, b, text):
return f"\033[38;2;{r};{g};{b}m{text}\033[0m"
打印红色文本的示例:
text = 'Hello, World!'
colored_text = colored(255, 0, 0, text)
print(colored_text)
#or
print(colored(255, 0, 0, 'Hello, World!'))
多色文本
text = colored(255, 0, 0, 'Hello, ') + colored(0, 255, 0, 'World')
print(text)
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。
这里有一个简单的函数,我使用它来打印彩色文本消息,而不必记住ANSI代码,而是使用标准RGB元组来定义前景和背景颜色。
def print_in_color(txt_msg, fore_tuple, back_tuple, ):
# Prints the text_msg in the foreground color specified by fore_tuple with the background specified by back_tuple
# text_msg is the text, fore_tuple is foreground color tuple (r,g,b), back_tuple is background tuple (r,g,b)
rf,bf,gf = fore_tuple
rb,gb,bb = back_tuple
msg = '{0}' + txt_msg
mat = '\33[38;2;' + str(rf) + ';' + str(gf) + ';' + str(bf) + ';48;2;' + str(rb) + ';' +str(gb) + ';' + str(bb) + 'm'
print(msg .format(mat))
print('\33[0m') # Returns default print color to back to black
# Example of use using a message with variables
fore_color = 'cyan'
back_color = 'dark green'
msg = 'foreground color is {0} and the background color is {1}'.format(fore_color, back_color)
print_in_color(msg, (0,255,255), (0,127,127))
推荐文章
- 证书验证失败:无法获得本地颁发者证书
- 当使用pip3安装包时,“Python中的ssl模块不可用”
- 无法切换Python与pyenv
- Python if not == vs if !=
- 如何从终端/命令行调用VS代码编辑器
- 如何从scikit-learn决策树中提取决策规则?
- 为什么在Mac OS X v10.9 (Mavericks)的终端中apt-get功能不起作用?
- 将旋转的xtick标签与各自的xtick对齐
- 为什么元组可以包含可变项?
- 如何合并字典的字典?
- 如何创建类属性?
- 不区分大小写的“in”
- 在Python中获取迭代器中的元素个数
- 解析日期字符串并更改格式
- 使用try和。Python中的if