doc/gendoc.py
author Nicolas Dumazet <nicdumz.commits@gmail.com>
Tue, 13 Jul 2010 20:12:32 +0900
branchstable
changeset 11531 59bd20451ab6
parent 11321 40c06bbf58be
child 11570 2d88369a27bf
permissions -rw-r--r--
rebase: re-add patches to mq repo after rebase Since 1b82a26635d7, we are adding patches after the qimport call, and not inside it anymore. Correct updatemq to match the new behaviour.

import os, sys
# import from the live mercurial repo
sys.path.insert(0, "..")
# fall back to pure modules if required C extensions are not available
sys.path.append(os.path.join('..', 'mercurial', 'pure'))
from mercurial import demandimport; demandimport.enable()
from mercurial import encoding
from mercurial.commands import table, globalopts
from mercurial.i18n import _
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 opt in opts:
        if len(opt) == 5:
            shortopt, longopt, default, desc, optlabel = opt
        else:
            shortopt, longopt, default, desc = opt
        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['cmd'] = cmds[0]
    d['aliases'] = cmd.split("|")[1:]
    d['desc'] = get_desc(attr[0].__doc__)
    d['opts'] = list(get_opts(attr[1]))

    s = 'hg ' + cmds[0]
    if len(attr) > 2:
        if not attr[2].startswith('hg'):
            s += ' ' + attr[2]
        else:
            s = attr[2]
    d['synopsis'] = s.strip()

    return d

def show_doc(ui):
    def section(s):
        ui.write("%s\n%s\n\n" % (s, "-" * encoding.colwidth(s)))
    def subsection(s):
        ui.write("%s\n%s\n\n" % (s, '"' * encoding.colwidth(s)))

    # print options
    section(_("Options"))
    for optstr, desc in get_opts(globalopts):
        ui.write("%s\n    %s\n\n" % (optstr, desc))

    # print cmds
    section(_("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\n" % d['cmd'])
        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\n"))
            for optstr, desc in opt_output:
                if desc:
                    s = "%-*s  %s" % (opts_len, optstr, desc)
                else:
                    s = optstr
                ui.write("    %s\n" % s)
            ui.write("\n")
        # aliases
        if d['aliases']:
            ui.write(_("    aliases: %s\n\n") % " ".join(d['aliases']))

    # print topics
    for names, sec, doc in helptable:
        for name in names:
            ui.write(".. _%s:\n" % name)
        ui.write("\n")
        section(sec)
        if callable(doc):
            doc = doc()
        ui.write(doc)
        ui.write("\n")

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