如何在Python中将彩色文本输出到终端?
当前回答
下面是一个诅咒示例:
import curses
def main(stdscr):
stdscr.clear()
if curses.has_colors():
for i in xrange(1, curses.COLORS):
curses.init_pair(i, i, curses.COLOR_BLACK)
stdscr.addstr("COLOR %d! " % i, curses.color_pair(i))
stdscr.addstr("BOLD! ", curses.color_pair(i) | curses.A_BOLD)
stdscr.addstr("STANDOUT! ", curses.color_pair(i) | curses.A_STANDOUT)
stdscr.addstr("UNDERLINE! ", curses.color_pair(i) | curses.A_UNDERLINE)
stdscr.addstr("BLINK! ", curses.color_pair(i) | curses.A_BLINK)
stdscr.addstr("DIM! ", curses.color_pair(i) | curses.A_DIM)
stdscr.addstr("REVERSE! ", curses.color_pair(i) | curses.A_REVERSE)
stdscr.refresh()
stdscr.getch()
if __name__ == '__main__':
print "init..."
curses.wrapper(main)
其他回答
asciimatics为构建文本UI和动画提供了可移植的支持:
#!/usr/bin/env python
from asciimatics.effects import RandomNoise # $ pip install asciimatics
from asciimatics.renderers import SpeechBubble, Rainbow
from asciimatics.scene import Scene
from asciimatics.screen import Screen
from asciimatics.exceptions import ResizeScreenError
def demo(screen):
render = Rainbow(screen, SpeechBubble('Rainbow'))
effects = [RandomNoise(screen, signal=render)]
screen.play([Scene(effects, -1)], stop_on_resize=True)
while True:
try:
Screen.wrapper(demo)
break
except ResizeScreenError:
pass
Asciicast:
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')
最低等级:
class log:
f = lambda color: lambda string: print(color + string + "\33[0m")
black = f("\33[30m")
red = f("\33[31m")
green = f("\33[32m")
yellow = f("\33[33m")
blue = f("\33[34m")
magenta = f("\33[35m")
cyan = f("\33[36m")
white = f("\33[37m")
# Usage
log.blue("Blue World!")
使用pyfancy。这是一种在终端中进行颜色处理的简单方法!
例子:
print(pyfancy.RED + "Hello Red" + pyfancy.END)
我最喜欢的方式是使用祝福库(完整披露:我写的)。例如:
from blessings import Terminal
t = Terminal()
print t.red('This is red.')
print t.bold_bright_red_on_black('Bright red on black')
要打印彩色砖,最可靠的方法是使用背景色打印空间。我使用此技术绘制鼻子进度条:
print t.on_green(' ')
您还可以在特定位置打印:
with t.location(0, 5):
print t.on_yellow(' ')
如果你必须在游戏过程中使用其他终端功能,你也可以这样做。您可以使用Python的标准字符串格式来保持其可读性:
print '{t.clear_eol}You just cleared a {t.bold}whole{t.normal} line!'.format(t=t)
Blessings的优点在于它能在各种终端上工作,而不仅仅是ANSI颜色的终端。它还将不可读的转义序列排除在代码之外,同时保持使用简洁。玩得高兴
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