52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
from __future__ import print_function
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import os
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import sys
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def colorize(sheet_content):
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""" Colorizes cheatsheet content if so configured """
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# only colorize if so configured
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if not 'CHEATCOLORS' in os.environ:
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return sheet_content
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try:
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from pygments import highlight
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from pygments.lexers import BashLexer
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from pygments.formatters import TerminalFormatter
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# if pygments can't load, just return the uncolorized text
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except ImportError:
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return sheet_content
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return highlight(sheet_content, BashLexer(), TerminalFormatter())
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def die(message):
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""" Prints a message to stderr and then terminates """
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warn(message)
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exit(1)
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def editor():
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""" Determines the user's preferred editor """
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if 'EDITOR' not in os.environ:
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die(
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'In order to create/edit a cheatsheet you must set your EDITOR '
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'environment variable to your editor\'s path.'
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)
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elif os.environ['EDITOR'] == "":
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die(
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'Your EDITOR environment variable is set to an empty string. It must '
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'be set to your editor\'s path.'
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)
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else:
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return os.environ['EDITOR']
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def warn(message):
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""" Prints a message to stderr """
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print((message), file=sys.stderr)
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