Mercurial > hg
view mercurial/fancyopts.py @ 9622:9d1a480ca6ea
gendoc: fix synopsis
The synopsis is used as an inline literal when generating the manpage.
There should not be any whitespace on the inside of the quotation
marks in inline literals.
Commands with an empty synopsis (such as tags) produces ``tags `` as
synopsis, which triggers a warning.
author | Martin Geisler <mg@lazybytes.net> |
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date | Tue, 20 Oct 2009 22:42:49 +0200 |
parents | 0bf0045000b5 |
children | 25e572394f5c |
line wrap: on
line source
# fancyopts.py - better command line parsing # # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others # # This software may be used and distributed according to the terms of the # GNU General Public License version 2, incorporated herein by reference. import getopt def gnugetopt(args, options, longoptions): """Parse options mostly like getopt.gnu_getopt. This is different from getopt.gnu_getopt in that an argument of - will become an argument of - instead of vanishing completely. """ extraargs = [] if '--' in args: stopindex = args.index('--') extraargs = args[stopindex+1:] args = args[:stopindex] opts, parseargs = getopt.getopt(args, options, longoptions) args = [] while parseargs: arg = parseargs.pop(0) if arg and arg[0] == '-' and len(arg) > 1: parseargs.insert(0, arg) topts, newparseargs = getopt.getopt(parseargs, options, longoptions) opts = opts + topts parseargs = newparseargs else: args.append(arg) args.extend(extraargs) return opts, args def fancyopts(args, options, state, gnu=False): """ read args, parse options, and store options in state each option is a tuple of: short option or '' long option default value description option types include: boolean or none - option sets variable in state to true string - parameter string is stored in state list - parameter string is added to a list integer - parameter strings is stored as int function - call function with parameter non-option args are returned """ namelist = [] shortlist = '' argmap = {} defmap = {} for short, name, default, comment in options: # convert opts to getopt format oname = name name = name.replace('-', '_') argmap['-' + short] = argmap['--' + oname] = name defmap[name] = default # copy defaults to state if isinstance(default, list): state[name] = default[:] elif hasattr(default, '__call__'): state[name] = None else: state[name] = default # does it take a parameter? if not (default is None or default is True or default is False): if short: short += ':' if oname: oname += '=' if short: shortlist += short if name: namelist.append(oname) # parse arguments if gnu: parse = gnugetopt else: parse = getopt.getopt opts, args = parse(args, shortlist, namelist) # transfer result to state for opt, val in opts: name = argmap[opt] t = type(defmap[name]) if t is type(fancyopts): state[name] = defmap[name](val) elif t is type(1): state[name] = int(val) elif t is type(''): state[name] = val elif t is type([]): state[name].append(val) elif t is type(None) or t is type(False): state[name] = True # return unparsed args return args