diff --git a/cheat b/cheat index bf6de3e..553ae65 100755 --- a/cheat +++ b/cheat @@ -1,69 +1,46 @@ #!/usr/bin/env python import os import sys +import cheatsheets -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 = [] +def cheat_directories(): + default = [ default_dir for default_dir in [os.path.expanduser('~/.cheat'), cheatsheets.cheat_dir] if os.path.isdir(default_dir) ] + if 'CHEATPATH' in os.environ and os.environ['CHEATPATH']: + return [ path for path in os.environ['CHEATPATH'].split(os.pathsep) if os.path.isdir(path) ] + default + else: + return default -# 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'] - if os.path.isdir(path): - cheatsheets += [(f, path) for f in os.listdir(path) if '.' not in f] - -# remove any duplicates -def remove_duplicates(cheats): - sheets = [] - for i, sheet in enumerate(cheats): - if sheet[0] not in [c[0] for c in sheets]: - sheets.append(sheet) - return sheets - -cheatsheets = remove_duplicates(cheatsheets) -cheatsheets.sort() +def cheat_files(cheat_directories): + cheats = {} + for cheat_dir in reversed(cheat_directories): + cheats.update(dict([ (cheat, cheat_dir) for cheat in os.listdir(cheat_dir) if '.' not in cheat ])) + return cheats # assemble a keyphrase out of all params passed to the script keyphrase = ' '.join(sys.argv[1:]) +cheat_dirs = cheat_directories() # verify that we have at least one cheat directory -if not cheatsheets: +if not cheat_dirs: 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:]) +# list the files in the ~/.cheat directory +cheatsheets = cheat_files(cheat_dirs) # 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])) + max_command = max([ len(x) for x in cheatsheets.keys() ]) + 3 + print '\n'.join(sorted([ '%s [%s]' % (key.ljust(max_command), value) for key, value in cheatsheets.items() ])) 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 keyphrase in cheatsheets: + with open (os.path.join(cheatsheets[keyphrase], keyphrase), 'r') as cheatsheet: + print cheatsheet.read() - # if it does not, say so - else: - print 'No cheatsheet found for %s.' % keyphrase +# if it does not, say so +else: + print 'No cheatsheet found for %s.' % keyphrase diff --git a/cheatsheets/__init__.pyc b/cheatsheets/__init__.pyc new file mode 100644 index 0000000..0f202b5 Binary files /dev/null and b/cheatsheets/__init__.pyc differ