Mercurial > hg > mercurial-crew-with-dirclash
view doc/gendoc.py @ 4077:1305ba7dee88
Prevent type exception on concatenation if diffstat returns None.
This will most often occur if diffstat is not installed in the
target platform, though may also happen in other cases where
diffstat fails to execute.
Signed-off-by: Sean Dague <sean@dague.net>
author | Sean Dague <sean@dague.net> |
---|---|
date | Tue, 30 Jan 2007 10:35:25 -0500 |
parents | 54fd4d3b4fce |
children | bbdcdc7f170e |
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import sys, textwrap # import from the live mercurial repo sys.path.insert(0, "..") from mercurial.commands import table, globalopts from mercurial.i18n import gettext as _ from mercurial.help import helptable def get_desc(docstr): if not docstr: return "", "" # sanitize docstr = docstr.strip("\n") docstr = docstr.rstrip() shortdesc = docstr.splitlines()[0].strip() i = docstr.find("\n") if i != -1: desc = docstr[i+2:] else: desc = " %s" % shortdesc return (shortdesc, desc) def get_opts(opts): for shortopt, longopt, default, desc in opts: allopts = [] if shortopt: allopts.append("-%s" % shortopt) if longopt: allopts.append("--%s" % longopt) desc += default and _(" (default: %s)") % default or "" yield(", ".join(allopts), desc) def get_cmd(cmd): d = {} attr = table[cmd] cmds = cmd.lstrip("^").split("|") d['synopsis'] = attr[2] d['cmd'] = cmds[0] d['aliases'] = cmd.split("|")[1:] d['desc'] = get_desc(attr[0].__doc__) d['opts'] = list(get_opts(attr[1])) return d def show_doc(ui): def bold(s, text=""): ui.write("%s\n%s\n%s\n" % (s, "="*len(s), text)) def underlined(s, text=""): ui.write("%s\n%s\n%s\n" % (s, "-"*len(s), text)) # print options underlined(_("OPTIONS")) for optstr, desc in get_opts(globalopts): ui.write("%s::\n %s\n\n" % (optstr, desc)) # print cmds underlined(_("COMMANDS")) h = {} for c, attr in table.items(): f = c.split("|")[0] f = f.lstrip("^") h[f] = c cmds = h.keys() cmds.sort() for f in cmds: if f.startswith("debug"): continue d = get_cmd(h[f]) # synopsis ui.write("%s::\n" % d['synopsis'].replace("hg ","", 1)) # description ui.write("%s\n\n" % d['desc'][1]) # options opt_output = list(d['opts']) if opt_output: opts_len = max([len(line[0]) for line in opt_output]) ui.write(_(" options:\n")) for optstr, desc in opt_output: if desc: s = "%-*s %s" % (opts_len, optstr, desc) else: s = optstr s = textwrap.fill(s, initial_indent=4 * " ", subsequent_indent=(6 + opts_len) * " ") ui.write("%s\n" % s) ui.write("\n") # aliases if d['aliases']: ui.write(_(" aliases: %s\n\n") % " ".join(d['aliases'])) # print topics for t in helptable: l = t.split("|") section = l[-1] underlined(_(section).upper()) doc = helptable[t] if callable(doc): doc = doc() ui.write(_(doc)) ui.write("\n") if __name__ == "__main__": show_doc(sys.stdout)