def helpext(name): try: mod = extensions.find(name) doc = gettext(mod.__doc__) or _('no help text available') except KeyError: mod = None doc = extensions.disabledext(name) if not doc: raise error.UnknownCommand(name) if '\n' not in doc: head, tail = doc, "" else: head, tail = doc.split('\n', 1) rst = [_('%s extension - %s\n\n') % (name.split('.')[-1], head)] if tail: rst.extend(tail.splitlines(True)) rst.append('\n') if not ui.verbose: omitted = _('(some details hidden, use --verbose' ' to show complete help)') indicateomitted(rst, omitted) if mod: try: ct = mod.cmdtable except AttributeError: ct = {} modcmds = set([c.split('|', 1)[0] for c in ct]) rst.extend(helplist(modcmds.__contains__)) else: rst.append(_('(use "hg help extensions" for information on enabling' ' extensions)\n')) return rst
def helptopic(name): for names, header, doc in helptable: if name in names: break else: raise error.UnknownCommand(name) rst = [minirst.section(header)] # description if not doc: rst.append(" %s\n" % _("(no help text available)")) if callable(doc): rst += [" %s\n" % l for l in doc().splitlines()] if not ui.verbose: omitted = _('(some details hidden, use --verbose' ' to show complete help)') indicateomitted(rst, omitted) try: cmdutil.findcmd(name, commands.table) rst.append(_('\nuse "hg help -c %s" to see help for ' 'the %s command\n') % (name, name)) except error.UnknownCommand: pass return rst
def helptopic(name): for names, header, doc in helptable: if name in names: break else: raise error.UnknownCommand(name) rst = [minirst.section(header)] # description if not doc: rst.append(" %s\n" % _("(no help text available)")) if util.safehasattr(doc, '__call__'): rst += [" %s\n" % l for l in doc().splitlines()] if not ui.verbose: omitted = (_('use "hg help -v %s" to show more complete help') % name) indicateomitted(rst, omitted) try: cmdutil.findcmd(name, commands.table) rst.append( _('\nuse "hg help -c %s" to see help for ' 'the %s command\n') % (name, name)) except error.UnknownCommand: pass return rst
def disabledcmd(ui, cmd, strict=False): '''import disabled extensions until cmd is found. returns (cmdname, extname, module)''' paths = _disabledpaths(strip_init=True) if not paths: raise error.UnknownCommand(cmd) def findcmd(cmd, name, path): try: mod = loadpath(path, 'hgext.%s' % name) except Exception: return try: aliases, entry = cmdutil.findcmd(cmd, getattr(mod, 'cmdtable', {}), strict) except (error.AmbiguousCommand, error.UnknownCommand): return except Exception: ui.warn(_('warning: error finding commands in %s\n') % path) ui.traceback() return for c in aliases: if c.startswith(cmd): cmd = c break else: cmd = aliases[0] return (cmd, name, mod) ext = None # first, search for an extension with the same name as the command path = paths.pop(cmd, None) if path: ext = findcmd(cmd, cmd, path) if not ext: # otherwise, interrogate each extension until there's a match for name, path in paths.iteritems(): ext = findcmd(cmd, name, path) if ext: break if ext and 'DEPRECATED' not in ext.__doc__: return ext raise error.UnknownCommand(cmd)
def findcmd(cmd, table, strict=True): """Return (aliases, command table entry) for command string.""" choice = findpossible(cmd, table, strict) if cmd in choice: return choice[cmd] if len(choice) > 1: clist = choice.keys() clist.sort() raise error.AmbiguousCommand(cmd, clist) if choice: return choice.values()[0] raise error.UnknownCommand(cmd)
raise util.Abort(msg, hint=hint) elif name and name != 'shortlist': if unknowncmd: queries = (helpextcmd,) elif opts.get('extension'): queries = (helpext,) elif opts.get('command'): queries = (helpcmd,) else: queries = (helptopic, helpcmd, helpext, helpextcmd) for f in queries: try: rst = f(name) break except error.UnknownCommand: pass else: if unknowncmd: raise error.UnknownCommand(name) else: msg = _('no such help topic: %s') % name hint = _('try "hg help --keyword %s"') % name raise util.Abort(msg, hint=hint) else: # program name if not ui.quiet: rst = [_("Mercurial Distributed SCM\n"), '\n'] rst.extend(helplist()) return ''.join(rst)
def help_(ui, name, unknowncmd=False, full=True, **opts): ''' Generate the help for 'name' as unformatted restructured text. If 'name' is None, describe the commands available. ''' import commands # avoid cycle def helpcmd(name): try: aliases, entry = cmdutil.findcmd(name, commands.table, strict=unknowncmd) except error.AmbiguousCommand as inst: # py3k fix: except vars can't be used outside the scope of the # except block, nor can be used inside a lambda. python issue4617 prefix = inst.args[0] select = lambda c: c.lstrip('^').startswith(prefix) rst = helplist(select) return rst rst = [] # check if it's an invalid alias and display its error if it is if getattr(entry[0], 'badalias', None): rst.append(entry[0].badalias + '\n') if entry[0].unknowncmd: try: rst.extend(helpextcmd(entry[0].cmdname)) except error.UnknownCommand: pass return rst # synopsis if len(entry) > 2: if entry[2].startswith('hg'): rst.append("%s\n" % entry[2]) else: rst.append('hg %s %s\n' % (aliases[0], entry[2])) else: rst.append('hg %s\n' % aliases[0]) # aliases if full and not ui.quiet and len(aliases) > 1: rst.append(_("\naliases: %s\n") % ', '.join(aliases[1:])) rst.append('\n') # description doc = gettext(entry[0].__doc__) if not doc: doc = _("(no help text available)") if util.safehasattr(entry[0], 'definition'): # aliased command if entry[0].definition.startswith('!'): # shell alias doc = _( 'shell alias for::\n\n %s') % entry[0].definition[1:] else: doc = _('alias for: hg %s\n\n%s') % (entry[0].definition, doc) doc = doc.splitlines(True) if ui.quiet or not full: rst.append(doc[0]) else: rst.extend(doc) rst.append('\n') # check if this command shadows a non-trivial (multi-line) # extension help text try: mod = extensions.find(name) doc = gettext(mod.__doc__) or '' if '\n' in doc.strip(): msg = _('(use "hg help -e %s" to show help for ' 'the %s extension)') % (name, name) rst.append('\n%s\n' % msg) except KeyError: pass # options if not ui.quiet and entry[1]: rst.append(optrst(_("options"), entry[1], ui.verbose)) if ui.verbose: rst.append( optrst(_("global options"), commands.globalopts, ui.verbose)) if not ui.verbose: if not full: rst.append(_('\n(use "hg %s -h" to show more help)\n') % name) elif not ui.quiet: rst.append( _('\n(some details hidden, use --verbose ' 'to show complete help)')) return rst def helplist(select=None): # list of commands if name == "shortlist": header = _('basic commands:\n\n') elif name == "debug": header = _('debug commands (internal and unsupported):\n\n') else: header = _('list of commands:\n\n') h = {} cmds = {} for c, e in commands.table.iteritems(): f = c.split("|", 1)[0] if select and not select(f): continue if (not select and name != 'shortlist' and e[0].__module__ != commands.__name__): continue if name == "shortlist" and not f.startswith("^"): continue f = f.lstrip("^") if not ui.debugflag and f.startswith("debug") and name != "debug": continue doc = e[0].__doc__ if doc and 'DEPRECATED' in doc and not ui.verbose: continue doc = gettext(doc) if not doc: doc = _("(no help text available)") h[f] = doc.splitlines()[0].rstrip() cmds[f] = c.lstrip("^") rst = [] if not h: if not ui.quiet: rst.append(_('no commands defined\n')) return rst if not ui.quiet: rst.append(header) fns = sorted(h) for f in fns: if ui.verbose: commacmds = cmds[f].replace("|", ", ") rst.append(" :%s: %s\n" % (commacmds, h[f])) else: rst.append(' :%s: %s\n' % (f, h[f])) if not name: exts = listexts(_('enabled extensions:'), extensions.enabled()) if exts: rst.append('\n') rst.extend(exts) rst.append(_("\nadditional help topics:\n\n")) topics = [] for names, header, doc in helptable: topics.append((names[0], header)) for t, desc in topics: rst.append(" :%s: %s\n" % (t, desc)) if ui.quiet: pass elif ui.verbose: rst.append( '\n%s\n' % optrst(_("global options"), commands.globalopts, ui.verbose)) if name == 'shortlist': rst.append( _('\n(use "hg help" for the full list ' 'of commands)\n')) else: if name == 'shortlist': rst.append( _('\n(use "hg help" for the full list of commands ' 'or "hg -v" for details)\n')) elif name and not full: rst.append( _('\n(use "hg help %s" to show the full help ' 'text)\n') % name) elif name and cmds and name in cmds.keys(): rst.append( _('\n(use "hg help -v -e %s" to show built-in ' 'aliases and global options)\n') % name) else: rst.append( _('\n(use "hg help -v%s" to show built-in aliases ' 'and global options)\n') % (name and " " + name or "")) return rst def helptopic(name): for names, header, doc in helptable: if name in names: break else: raise error.UnknownCommand(name) rst = [minirst.section(header)] # description if not doc: rst.append(" %s\n" % _("(no help text available)")) if callable(doc): rst += [" %s\n" % l for l in doc().splitlines()] if not ui.verbose: omitted = _('(some details hidden, use --verbose' ' to show complete help)') indicateomitted(rst, omitted) try: cmdutil.findcmd(name, commands.table) rst.append( _('\nuse "hg help -c %s" to see help for ' 'the %s command\n') % (name, name)) except error.UnknownCommand: pass return rst def helpext(name): try: mod = extensions.find(name) doc = gettext(mod.__doc__) or _('no help text available') except KeyError: mod = None doc = extensions.disabledext(name) if not doc: raise error.UnknownCommand(name) if '\n' not in doc: head, tail = doc, "" else: head, tail = doc.split('\n', 1) rst = [_('%s extension - %s\n\n') % (name.split('.')[-1], head)] if tail: rst.extend(tail.splitlines(True)) rst.append('\n') if not ui.verbose: omitted = _('(some details hidden, use --verbose' ' to show complete help)') indicateomitted(rst, omitted) if mod: try: ct = mod.cmdtable except AttributeError: ct = {} modcmds = set([c.split('|', 1)[0] for c in ct]) rst.extend(helplist(modcmds.__contains__)) else: rst.append( _('(use "hg help extensions" for information on enabling' ' extensions)\n')) return rst def helpextcmd(name): cmd, ext, mod = extensions.disabledcmd(ui, name, ui.configbool('ui', 'strict')) doc = gettext(mod.__doc__).splitlines()[0] rst = listexts(_("'%s' is provided by the following " "extension:") % cmd, {ext: doc}, indent=4) rst.append('\n') rst.append( _('(use "hg help extensions" for information on enabling ' 'extensions)\n')) return rst rst = [] kw = opts.get('keyword') if kw: matches = topicmatch(kw) for t, title in (('topics', _('Topics')), ('commands', _('Commands')), ('extensions', _('Extensions')), ('extensioncommands', _('Extension Commands'))): if matches[t]: rst.append('%s:\n\n' % title) rst.extend(minirst.maketable(sorted(matches[t]), 1)) rst.append('\n') if not rst: msg = _('no matches') hint = _('try "hg help" for a list of topics') raise util.Abort(msg, hint=hint) elif name and name != 'shortlist': if unknowncmd: queries = (helpextcmd, ) elif opts.get('extension'): queries = (helpext, ) elif opts.get('command'): queries = (helpcmd, ) else: queries = (helptopic, helpcmd, helpext, helpextcmd) for f in queries: try: rst = f(name) break except error.UnknownCommand: pass else: if unknowncmd: raise error.UnknownCommand(name) else: msg = _('no such help topic: %s') % name hint = _('try "hg help --keyword %s"') % name raise util.Abort(msg, hint=hint) else: # program name if not ui.quiet: rst = [_("Mercurial Distributed SCM\n"), '\n'] rst.extend(helplist()) return ''.join(rst)