cheat/cheat

60 lines
2.0 KiB
Python
Executable File

#!/usr/bin/env python
import os
import sys
try:
# check to see if the cheat package is available
import cheatsheets
cheat_dir = cheatsheets.cheat_dir
cheatsheets = [(f, cheat_dir) for f in os.listdir(cheat_dir) if '.' not in f]
except ImportError:
cheatsheets = []
# construct the path to the cheat directory
user_cheat_dir = os.path.join(os.path.expanduser('~'), '.cheat')
# list the files in the cheat directory
# add the user's cheat files if they have a ~/.cheat directory
if os.path.isdir(user_cheat_dir):
cheatsheets += [(f, user_cheat_dir) for f in os.listdir(user_cheat_dir)
if '.' not in f]
# add the cheat files from the directory specified in $CHEATPATH
if 'CHEATPATH' in os.environ and os.environ['CHEATPATH']:
path = os.environ['CHEATPATH'].split(os.pathsep)
if os.path.isdir(path):
cheatsheets += [(f, path) for f in os.listdir(path) if '.' not in f]
cheatsheets.sort()
# assemble a keyphrase out of all params passed to the script
keyphrase = ' '.join(sys.argv[1:])
# verify that we have at least one cheat directory
if not cheatsheets:
print >> sys.stderr, 'The ~/.cheat directory does not exist or the CHEATPATH variable is not set.'
exit()
# assemble a keyphrase out of all params passed to the script
keyphrase = ' '.join(sys.argv[1:])
# print help if requested
if keyphrase.lower() in ['', 'cheat', 'help', '-h', '-help', '--help']:
print "Usage: cheat [keyphrase]\n"
print "Available keyphrases:"
max_command = max([len(sheet[0]) for sheet in cheatsheets]) + 3
print '\n'.join(sorted([ '%s [%s]' % (sheet[0].ljust(max_command), sheet[1]) for sheet in cheatsheets]))
exit()
sheet_found = False
# print the cheatsheet if it exists
for sheet in cheatsheets:
if keyphrase == sheet[0]:
cheatsheet_filename = os.path.join(sheet[1], keyphrase)
with open(cheatsheet_filename, 'r') as cheatsheet:
print cheatsheet.read()
sheet_found = True
# if it does not, say so
else:
print 'No cheatsheet found for %s.' % keyphrase