mirror of
https://github.com/Erreur32/cheat.git
synced 2024-12-22 21:52:12 +01:00
597acec6ac
addition to `EDITOR`.
51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
from __future__ import print_function
|
|
import os
|
|
import sys
|
|
|
|
|
|
def colorize(sheet_content):
|
|
""" Colorizes cheatsheet content if so configured """
|
|
|
|
# only colorize if so configured
|
|
if not 'CHEATCOLORS' in os.environ:
|
|
return sheet_content
|
|
|
|
try:
|
|
from pygments import highlight
|
|
from pygments.lexers import BashLexer
|
|
from pygments.formatters import TerminalFormatter
|
|
|
|
# if pygments can't load, just return the uncolorized text
|
|
except ImportError:
|
|
return sheet_content
|
|
|
|
return highlight(sheet_content, BashLexer(), TerminalFormatter())
|
|
|
|
|
|
def die(message):
|
|
""" Prints a message to stderr and then terminates """
|
|
warn(message)
|
|
exit(1)
|
|
|
|
|
|
def editor():
|
|
""" Determines the user's preferred editor """
|
|
|
|
# determine which editor to use
|
|
editor = os.environ.get('CHEAT_EDITOR') \
|
|
or os.environ.get('VISUAL') \
|
|
or os.environ.get('EDITOR') \
|
|
or False
|
|
|
|
# assert that the editor is set
|
|
if editor == False:
|
|
die(
|
|
'You must set a CHEAT_EDITOR, VISUAL, or EDITOR environment '
|
|
'variable in order to create/edit a cheatsheet.'
|
|
)
|
|
|
|
return editor
|
|
|
|
def warn(message):
|
|
""" Prints a message to stderr """
|
|
print((message), file=sys.stderr)
|