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ansi.py
99 lines (80 loc) · 2.25 KB
/
ansi.py
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# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file.
'''
This module generates ANSI character codes to printing colors to terminals.
See: http://en.wikipedia.org/wiki/ANSI_escape_code
'''
CSI = '\033['
OSC = '\033]'
BEL = '\007'
def code_to_chars(code):
return CSI + str(code) + 'm'
class AnsiCodes(object):
def __init__(self, codes):
for name in dir(codes):
if not name.startswith('_'):
value = getattr(codes, name)
setattr(self, name, code_to_chars(value))
class AnsiCursor(object):
def UP(self, n=1):
return CSI + str(n) + "A"
def DOWN(self, n=1):
return CSI + str(n) + "B"
def FORWARD(self, n=1):
return CSI + str(n) + "C"
def BACK(self, n=1):
return CSI + str(n) + "D"
def POS(self, x=1, y=1):
return CSI + str(y) + ";" + str(x) + "H"
def set_title(title):
return OSC + "2;" + title + BEL
def clear_screen(mode=2):
return CSI + str(mode) + "J"
def clear_line(mode=2):
return CSI + str(mode) + "K"
class AnsiFore:
BLACK = 30
RED = 31
GREEN = 32
YELLOW = 33
BLUE = 34
MAGENTA = 35
CYAN = 36
WHITE = 37
RESET = 39
# These are fairly well supported, but not part of the standard.
LIGHTBLACK_EX = 90
LIGHTRED_EX = 91
LIGHTGREEN_EX = 92
LIGHTYELLOW_EX = 93
LIGHTBLUE_EX = 94
LIGHTMAGENTA_EX = 95
LIGHTCYAN_EX = 96
LIGHTWHITE_EX = 97
class AnsiBack:
BLACK = 40
RED = 41
GREEN = 42
YELLOW = 43
BLUE = 44
MAGENTA = 45
CYAN = 46
WHITE = 47
RESET = 49
# These are fairly well supported, but not part of the standard.
LIGHTBLACK_EX = 100
LIGHTRED_EX = 101
LIGHTGREEN_EX = 102
LIGHTYELLOW_EX = 103
LIGHTBLUE_EX = 104
LIGHTMAGENTA_EX = 105
LIGHTCYAN_EX = 106
LIGHTWHITE_EX = 107
class AnsiStyle:
BRIGHT = 1
DIM = 2
NORMAL = 22
RESET_ALL = 0
Fore = AnsiCodes( AnsiFore )
Back = AnsiCodes( AnsiBack )
Style = AnsiCodes( AnsiStyle )
Cursor = AnsiCursor()