mirror of
https://github.com/cheat/cheat.git
synced 2024-12-18 10:45:05 +01:00
70 lines
2.3 KiB
Python
Executable File
70 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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import os
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import sys
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try:
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# check to see if the cheat package is available
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import cheatsheets
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cheat_dir = cheatsheets.cheat_dir
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cheatsheets = [(f, cheat_dir) for f in os.listdir(cheat_dir) if '.' not in f]
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except ImportError:
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cheatsheets = []
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# construct the path to the cheat directory
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user_cheat_dir = os.path.join(os.path.expanduser('~'), '.cheat')
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# list the files in the cheat directory
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# add the user's cheat files if they have a ~/.cheat directory
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if os.path.isdir(user_cheat_dir):
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cheatsheets += [(f, user_cheat_dir) for f in os.listdir(user_cheat_dir)
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if '.' not in f]
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# add the cheat files from the directory specified in $CHEATPATH
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if 'CHEATPATH' in os.environ and os.environ['CHEATPATH']:
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path = os.environ['CHEATPATH']
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if os.path.isdir(path):
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cheatsheets += [(f, path) for f in os.listdir(path) if '.' not in f]
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# remove any duplicates
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def remove_duplicates(cheats):
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sheets = []
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for i, sheet in enumerate(cheats):
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if sheet[0] not in [c[0] for c in sheets]:
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sheets.append(sheet)
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return sheets
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cheatsheets = remove_duplicates(cheatsheets)
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cheatsheets.sort()
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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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# verify that we have at least one cheat directory
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if not cheatsheets:
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print >> sys.stderr, 'The ~/.cheat directory does not exist or the CHEATPATH variable is not set.'
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exit()
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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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# 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(sheet[0]) for sheet in cheatsheets]) + 3
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print '\n'.join(sorted([ '%s [%s]' % (sheet[0].ljust(max_command), sheet[1]) for sheet in cheatsheets]))
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exit()
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sheet_found = False
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# print the cheatsheet if it exists
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for sheet in cheatsheets:
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if keyphrase == sheet[0]:
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cheatsheet_filename = os.path.join(sheet[1], keyphrase)
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with open(cheatsheet_filename, 'r') as cheatsheet:
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print cheatsheet.read()
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sheet_found = True
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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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