doc/gendoc.py
author Sébastien Pierre <sebastien@xprima.com>
Tue, 01 Aug 2006 09:51:36 -0400
changeset 2749 d13e4ffaa79d
parent 1814 7956893e8458
child 3797 54fd4d3b4fce
permissions -rw-r--r--
[darcs2hg] Windows compatibilty patct Originally submitted by Daiju Kito 1. single quote didn't work in several cases 2. os.unlink tries to delete tmpfile when it's called. It won't wait like unix.

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 _

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']))

if __name__ == "__main__":
    show_doc(sys.stdout)