Resolved a trivial merge conflcit in cheatsheets/sed. Resolved major merge conflict in ./cheat. Made very minor revision to @larsyencken's patch to prevent __init__.py/c files from being listed as cheatsheets.

This commit is contained in:
Chris Lane
2013-08-21 22:49:07 -04:00
25 changed files with 138 additions and 100 deletions

70
cheat
View File

@ -3,9 +3,21 @@ import os
import sys
DEFAULT_CHEAT_DIR = os.path.join(os.path.expanduser('~'), '.cheat')
USE_PYGMENTS = False
# NOTE remove this check if it is confirmed to work on windows
if os.name == 'posix':
try:
from pygments import highlight
from pygments.util import ClassNotFound
from pygments.lexers import get_lexer_for_filename, TextLexer
from pygments.formatters import TerminalFormatter
USE_PYGMENTS = True
except ImportError:
pass
# assembles a list of directories containing cheatsheets
def cheat_directories():
"Assembles a list of directories containing cheatsheets."
default_directories = [DEFAULT_CHEAT_DIR]
try:
import cheatsheets
@ -13,26 +25,29 @@ def cheat_directories():
except ImportError:
pass
default = [ default_dir for default_dir in default_directories if os.path.isdir(default_dir) ]
default = [default_dir for default_dir in default_directories
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
return [path for path in os.environ['CHEATPATH'].split(os.pathsep)
if os.path.isdir(path)] + default
else:
return default
# assembles a dictionary of cheatsheets found in the above directories
def cheat_files(cheat_directories):
"Assembles a dictionary of cheatsheets found in the above 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 ]))
cheats.update(dict([(cheat, cheat_dir)
for cheat in os.listdir(cheat_dir)
if '.' not in cheat]))
return cheats
def main():
"""MAIN"""
def main():
# assemble a keyphrase out of all params passed to the script
keyphrase = ' '.join(sys.argv[1:])
keyphrase = ' '.join(sys.argv[1:])
cheat_dirs = cheat_directories()
# verify that we have at least one cheat directory
@ -48,20 +63,43 @@ def main():
if keyphrase.lower() in ['', 'cheat', 'help', '-h', '-help', '--help']:
print "Usage: cheat [keyphrase]\n"
print "Available keyphrases:"
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() ]))
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()
# print the cheatsheet if it exists
if keyphrase in cheatsheets:
with open (os.path.join(cheatsheets[keyphrase], keyphrase), 'r')\
as cheatsheet:
print cheatsheet.read()
filename = os.path.join(cheatsheets[keyphrase], keyphrase)
if USE_PYGMENTS:
pretty_print(filename)
else:
with open(filename) as istream:
for l in istream:
sys.stdout.write(l)
# if it does not, say so
else:
print 'No cheatsheet found for %s.' % keyphrase
def pretty_print(filename):
try:
if os.path.splitext(filename)[1]:
lexer = get_lexer_for_filename(filename)
else:
# shell is a sensible default when there is no extension
lexer = get_lexer_for_filename(filename + '.sh')
except ClassNotFound:
lexer = TextLexer()
with open(filename) as istream:
code = istream.read()
fmt = TerminalFormatter()
highlight(code, lexer, fmt, sys.stdout)
if __name__ == '__main__':
main()