mirror of
https://github.com/Erreur32/cheat.git
synced 2024-11-16 00:48:36 +01:00
65 lines
2.1 KiB
Python
Executable file
65 lines
2.1 KiB
Python
Executable file
#!/usr/bin/env python
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import os
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import sys
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# assembles a list of directories containing cheatsheets
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def cheat_directories():
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default_directories = [os.path.expanduser('~/.cheat')]
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try:
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import cheatsheets
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default_directories.append(cheatsheets.cheat_dir)
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except ImportError:
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pass
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default = [ default_dir for default_dir in default_directories if os.path.isdir(default_dir) ]
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if 'CHEATPATH' in os.environ and os.environ['CHEATPATH']:
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return [ path for path in os.environ['CHEATPATH'].split(os.pathsep)\
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if os.path.isdir(path) ] + default
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else:
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return default
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# assembles a dictionary of cheatsheets found in the above directories
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def cheat_files(cheat_directories):
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cheats = {}
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for cheat_dir in reversed(cheat_directories):
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cheats.update(dict([ (cheat, cheat_dir)\
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for cheat in os.listdir(cheat_dir) if '.' not in cheat ]))
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return cheats
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def main():
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"""MAIN"""
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# assemble a keyphrase out of all params passed to the script
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keyphrase = ' '.join(sys.argv[1:])
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cheat_dirs = cheat_directories()
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# verify that we have at least one cheat directory
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if not cheat_dirs:
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print >> sys.stderr, \
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'The ~/.cheat dir does not exist or the CHEATPATH var is not set.'
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exit()
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# list the files in the ~/.cheat directory
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cheatsheets = cheat_files(cheat_dirs)
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# print help if requested
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if keyphrase.lower() in ['', 'cheat', 'help', '-h', '-help', '--help']:
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print "Usage: cheat [keyphrase]\n"
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print "Available keyphrases:"
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max_command = max([ len(x) for x in cheatsheets.keys() ]) + 3
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print '\n'.join(sorted([ '%s [%s]' % (key.ljust(max_command), value)\
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for key, value in cheatsheets.items() ]))
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exit()
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# print the cheatsheet if it exists
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if keyphrase in cheatsheets:
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with open (os.path.join(cheatsheets[keyphrase], keyphrase), 'r')\
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as cheatsheet:
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print cheatsheet.read()
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# if it does not, say so
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else:
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print 'No cheatsheet found for %s.' % keyphrase
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if __name__ == '__main__':
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main()
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