comparison mercurial/hgweb/hgwebdir_mod.py @ 43077:687b865b95ad

formatting: byteify all mercurial/ and hgext/ string literals

Done with

    python3.7 contrib/byteify-strings.py -i $(hg files 'set:mercurial/**.py - mercurial/thirdparty/** + hgext/**.py - hgext/fsmonitor/pywatchman/** - mercurial/__init__.py')
    black -l 80 -t py33 -S $(hg files 'set:**.py - mercurial/thirdparty/** - "contrib/python-zstandard/**" - hgext/fsmonitor/pywatchman/**')

# skip-blame mass-reformatting only

Differential Revision: https://phab.mercurial-scm.org/D6972

43076:2372284d9457

)
from ..utils import dateutil


def cleannames(items):
    return [(util.pconvert(name).strip('/'), path) for name, path in items]


def findrepos(paths):
    repos = []
    for prefix, root in cleannames(paths):

        # "foo = /bar/*" or "foo = /bar/**" lets every repo /bar/N in or below
        # /bar/ be served as as foo/N .
        # '*' will not search inside dirs with .hg (except .hg/patches),
        # '**' will search inside dirs with .hg (and thus also find subrepos).
        try:
            recurse = {'*': False, '**': True}[roottail]
        except KeyError:
            repos.append((prefix, root))
            continue
        roothead = os.path.normpath(os.path.abspath(roothead))
        paths = scmutil.walkrepos(roothead, followsym=True, recurse=recurse)

    [('r', '/opt/r'), ('r/r', '/opt/r/r'), ('', '/opt')]
    """
    for path in paths:
        path = os.path.normpath(path)
        yield (
            prefix + '/' + util.pconvert(path[len(roothead) :]).lstrip('/')
        ).strip('/'), path


def readallowed(ui, req):
    """Check allow_read and deny_read config options of a repo's ui object
    to determine user permissions.  By default, with neither option set (or

    allow_read is not empty and the user is not in allow_read.  Return True
    if user is allowed to read the repo, else return False."""

    user = req.remoteuser

    deny_read = ui.configlist('web', 'deny_read', untrusted=True)
    if deny_read and (not user or ismember(ui, user, deny_read)):
        return False

    allow_read = ui.configlist('web', 'allow_read', untrusted=True)
    # by default, allow reading if no allow_read option has been set
    if not allow_read or ismember(ui, user, allow_read):
        return True

    return False


def rawindexentries(ui, repos, req, subdir=''):
    descend = ui.configbool('web', 'descend')
    collapse = ui.configbool('web', 'collapse')
    seenrepos = set()
    seendirs = set()
    for name, path in repos:

        if not name.startswith(subdir):
            continue
        name = name[len(subdir) :]
        directory = False

        if '/' in name:
            if not descend:
                continue

            nameparts = name.split('/')
            rootname = nameparts[0]

            if not collapse:
                pass
            elif rootname in seendirs:

            else:
                directory = True
                name = rootname

                # redefine the path to refer to the directory
                discarded = '/'.join(nameparts[1:])

                # remove name parts plus accompanying slash
                path = path[: -len(discarded) - 1]

                try:

                    directory = False
                except (IOError, error.RepoError):
                    pass

        parts = [
            req.apppath.strip('/'),
            subdir.strip('/'),
            name.strip('/'),
        ]
        url = '/' + '/'.join(p for p in parts if p) + '/'

        # show either a directory entry or a repository
        if directory:
            # get the directory's time information
            try:

                continue

            # add '/' to the name to make it obvious that
            # the entry is a directory, not a regular repository
            row = {
                'contact': "",
                'contact_sort': "",
                'name': name + '/',
                'name_sort': name,
                'url': url,
                'description': "",
                'description_sort': "",
                'lastchange': d,
                'lastchange_sort': d[1] - d[0],
                'archives': templateutil.mappinglist([]),
                'isdirectory': True,
                'labels': templateutil.hybridlist([], name='label'),
            }

            seendirs.add(name)
            yield row
            continue

        u = ui.copy()
        try:
            u.readconfig(os.path.join(path, '.hg', 'hgrc'))
        except Exception as e:
            u.warn(_('error reading %s/.hg/hgrc: %s\n') % (path, e))
            continue

        def get(section, name, default=uimod._unset):
            return u.config(section, name, default, untrusted=True)

        if u.configbool("web", "hidden", untrusted=True):
            continue

        if not readallowed(u, req):
            continue

        # update time with local timezone
        try:
            r = hg.repository(ui, path)
        except IOError:
            u.warn(_('error accessing repository at %s\n') % path)
            continue
        except error.RepoError:
            u.warn(_('error accessing repository at %s\n') % path)
            continue
        try:
            d = (get_mtime(r.spath), dateutil.makedate()[1])
        except OSError:
            continue

        contact = get_contact(get)
        description = get("web", "description")
        seenrepos.add(name)
        name = get("web", "name", name)
        labels = u.configlist('web', 'labels', untrusted=True)
        row = {
            'contact': contact or "unknown",
            'contact_sort': contact.upper() or "unknown",
            'name': name,
            'name_sort': name,
            'url': url,
            'description': description or "unknown",
            'description_sort': description.upper() or "unknown",
            'lastchange': d,
            'lastchange_sort': d[1] - d[0],
            'archives': webutil.archivelist(u, "tip", url),
            'isdirectory': None,
            'labels': templateutil.hybridlist(labels, name='label'),
        }

        yield row

    rows = rawindexentries(ui, repos, req, subdir=subdir)

    sortdefault = None, False

    if sortcolumn and sortdefault != (sortcolumn, descending):
        sortkey = '%s_sort' % sortcolumn
        rows = sorted(rows, key=lambda x: x[sortkey], reverse=descending)

    for row, parity in zip(rows, paritygen(stripecount)):
        row['parity'] = parity
        yield row


def indexentries(
    ui, repos, req, stripecount, sortcolumn='', descending=False, subdir=''
):
    args = (ui, repos, req, stripecount, sortcolumn, descending, subdir)
    return templateutil.mappinggenerator(_indexentriesgen, args=args)

            extensions.loadall(self.ui)
            extensions.populateui(self.ui)

    def refresh(self):
        if self.ui:
            refreshinterval = self.ui.configint('web', 'refreshinterval')
        else:
            item = configitems.coreitems['web']['refreshinterval']
            refreshinterval = item.default

        # refreshinterval <= 0 means to always refresh.
        if (
            refreshinterval > 0

        if self.baseui:
            u = self.baseui.copy()
        else:
            u = uimod.ui.load()
            u.setconfig('ui', 'report_untrusted', 'off', 'hgwebdir')
            u.setconfig('ui', 'nontty', 'true', 'hgwebdir')
            # displaying bundling progress bar while serving feels wrong and may
            # break some wsgi implementations.
            u.setconfig('progress', 'disable', 'true', 'hgweb')

        if not isinstance(self.conf, (dict, list, tuple)):
            map = {'paths': 'hgweb-paths'}
            if not os.path.exists(self.conf):
                raise error.Abort(_('config file %s not found!') % self.conf)
            u.readconfig(self.conf, remap=map, trust=True)
            paths = []
            for name, ignored in u.configitems('hgweb-paths'):
                for path in u.configlist('hgweb-paths', name):
                    paths.append((name, path))
        elif isinstance(self.conf, (list, tuple)):
            paths = self.conf
        elif isinstance(self.conf, dict):
            paths = self.conf.items()
        extensions.populateui(u)

        repos = findrepos(paths)
        for prefix, root in u.configitems('collections'):
            prefix = util.pconvert(prefix)
            for path in scmutil.walkrepos(root, followsym=True):
                repo = os.path.normpath(path)
                name = util.pconvert(repo)
                if name.startswith(prefix):
                    name = name[len(prefix) :]
                repos.append((name.lstrip('/'), repo))

        self.repos = repos
        self.ui = u
        encoding.encoding = self.ui.config('web', 'encoding')
        self.style = self.ui.config('web', 'style')
        self.templatepath = self.ui.config('web', 'templates', untrusted=False)
        self.stripecount = self.ui.config('web', 'stripes')
        if self.stripecount:
            self.stripecount = int(self.stripecount)
        prefix = self.ui.config('web', 'prefix')
        if prefix.startswith('/'):
            prefix = prefix[1:]
        if prefix.endswith('/'):
            prefix = prefix[:-1]
        self.prefix = prefix
        self.lastrefresh = time.time()

    def run(self):
        if not encoding.environ.get('GATEWAY_INTERFACE', '').startswith(
            "CGI/1."
        ):
            raise RuntimeError(
                "This function is only intended to be "
                "called while running as a CGI script."
            )
        wsgicgi.launch(self)

    def __call__(self, env, respond):
        baseurl = self.ui.config('web', 'baseurl')
        req = requestmod.parserequestfromenv(env, altbaseurl=baseurl)
        res = requestmod.wsgiresponse(req, respond)

        return self.run_wsgi(req, res)

    def run_wsgi(self, req, res):
        profile = self.ui.configbool('profiling', 'enabled')
        with profiling.profile(self.ui, enabled=profile):
            try:
                for r in self._runwsgi(req, res):
                    yield r
            finally:

        try:
            self.refresh()

            csp, nonce = cspvalues(self.ui)
            if csp:
                res.headers['Content-Security-Policy'] = csp

            virtual = req.dispatchpath.strip('/')
            tmpl = self.templater(req, nonce)
            ctype = tmpl.render('mimetype', {'encoding': encoding.encoding})

            # Global defaults. These can be overridden by any handler.
            res.status = '200 Script output follows'
            res.headers['Content-Type'] = ctype

            # a static file
            if virtual.startswith('static/') or 'static' in req.qsparams:
                if virtual.startswith('static/'):
                    fname = virtual[7:]
                else:
                    fname = req.qsparams['static']
                static = self.ui.config("web", "static", untrusted=False)
                if not static:
                    tp = self.templatepath or templater.templatepaths()
                    if isinstance(tp, str):
                        tp = [tp]
                    static = [os.path.join(p, 'static') for p in tp]

                staticfile(static, fname, res)
                return res.sendresponse()

            # top-level index

            repos = dict(self.repos)

            if (not virtual or virtual == 'index') and virtual not in repos:
                return self.makeindex(req, res, tmpl)

            # nested indexes and hgwebs

            if virtual.endswith('/index') and virtual not in repos:
                subdir = virtual[: -len('index')]
                if any(r.startswith(subdir) for r in repos):
                    return self.makeindex(req, res, tmpl, subdir)

            def _virtualdirs():
                # Check the full virtual path, and each parent

                            k.decode('latin1'): v for k, v in uenv.iteritems()
                        }
                    req = requestmod.parserequestfromenv(
                        uenv,
                        reponame=virtualrepo,
                        altbaseurl=self.ui.config('web', 'baseurl'),
                        # Reuse wrapped body file object otherwise state
                        # tracking can get confused.
                        bodyfh=req.bodyfh,
                    )
                    try:

                        raise ErrorResponse(HTTP_SERVER_ERROR, msg)
                    except error.RepoError as inst:
                        raise ErrorResponse(HTTP_SERVER_ERROR, bytes(inst))

            # browse subdirectories
            subdir = virtual + '/'
            if [r for r in repos if r.startswith(subdir)]:
                return self.makeindex(req, res, tmpl, subdir)

            # prefixes not found
            res.status = '404 Not Found'
            res.setbodygen(tmpl.generate('notfound', {'repo': virtual}))
            return res.sendresponse()

        except ErrorResponse as e:
            res.status = statusmessage(e.code, pycompat.bytestr(e))
            res.setbodygen(tmpl.generate('error', {'error': e.message or ''}))
            return res.sendresponse()
        finally:
            tmpl = None

    def makeindex(self, req, res, tmpl, subdir=""):
        self.refresh()
        sortable = ["name", "description", "contact", "lastchange"]
        sortcolumn, descending = None, False
        if 'sort' in req.qsparams:
            sortcolumn = req.qsparams['sort']
            descending = sortcolumn.startswith('-')
            if descending:
                sortcolumn = sortcolumn[1:]
            if sortcolumn not in sortable:
                sortcolumn = ""

        sort = [
            (
                "sort_%s" % column,
                "%s%s"
                % (
                    (not descending and column == sortcolumn) and "-" or "",
                    column,
                ),
            )
            for column in sortable
        ]

            descending=descending,
            subdir=subdir,
        )

        mapping = {
            'entries': entries,
            'subdir': subdir,
            'pathdef': hgweb_mod.makebreadcrumb('/' + subdir, self.prefix),
            'sortcolumn': sortcolumn,
            'descending': descending,
        }
        mapping.update(sort)
        res.setbodygen(tmpl.generate('index', mapping))
        return res.sendresponse()

    def templater(self, req, nonce):
        def config(section, name, default=uimod._unset, untrusted=True):
            return self.ui.config(section, name, default, untrusted)

        vars = {}
        styles, (style, mapfile) = hgweb_mod.getstyle(
            req, config, self.templatepath
        )
        if style == styles[0]:
            vars['style'] = style

        sessionvars = webutil.sessionvars(vars, '?')
        logourl = config('web', 'logourl')
        logoimg = config('web', 'logoimg')
        staticurl = (
            config('web', 'staticurl') or req.apppath.rstrip('/') + '/static/'
        )
        if not staticurl.endswith('/'):
            staticurl += '/'

        defaults = {
            "encoding": encoding.encoding,
            "url": req.apppath + '/',
            "logourl": logourl,
            "logoimg": logoimg,
            "staticurl": staticurl,
            "sessionvars": sessionvars,
            "style": style,
            "nonce": nonce,
        }
        templatekeyword = registrar.templatekeyword(defaults)

        @templatekeyword('motd', requires=())
        def motd(context, mapping):
            if self.motd is not None:
                yield self.motd
            else:
                yield config('web', 'motd')

        tmpl = templater.templater.frommapfile(mapfile, defaults=defaults)
        return tmpl

43077:687b865b95ad

)
from ..utils import dateutil


def cleannames(items):
    return [(util.pconvert(name).strip(b'/'), path) for name, path in items]


def findrepos(paths):
    repos = []
    for prefix, root in cleannames(paths):

        # "foo = /bar/*" or "foo = /bar/**" lets every repo /bar/N in or below
        # /bar/ be served as as foo/N .
        # '*' will not search inside dirs with .hg (except .hg/patches),
        # '**' will search inside dirs with .hg (and thus also find subrepos).
        try:
            recurse = {b'*': False, b'**': True}[roottail]
        except KeyError:
            repos.append((prefix, root))
            continue
        roothead = os.path.normpath(os.path.abspath(roothead))
        paths = scmutil.walkrepos(roothead, followsym=True, recurse=recurse)

    [('r', '/opt/r'), ('r/r', '/opt/r/r'), ('', '/opt')]
    """
    for path in paths:
        path = os.path.normpath(path)
        yield (
            prefix + b'/' + util.pconvert(path[len(roothead) :]).lstrip(b'/')
        ).strip(b'/'), path


def readallowed(ui, req):
    """Check allow_read and deny_read config options of a repo's ui object
    to determine user permissions.  By default, with neither option set (or

    allow_read is not empty and the user is not in allow_read.  Return True
    if user is allowed to read the repo, else return False."""

    user = req.remoteuser

    deny_read = ui.configlist(b'web', b'deny_read', untrusted=True)
    if deny_read and (not user or ismember(ui, user, deny_read)):
        return False

    allow_read = ui.configlist(b'web', b'allow_read', untrusted=True)
    # by default, allow reading if no allow_read option has been set
    if not allow_read or ismember(ui, user, allow_read):
        return True

    return False


def rawindexentries(ui, repos, req, subdir=b''):
    descend = ui.configbool(b'web', b'descend')
    collapse = ui.configbool(b'web', b'collapse')
    seenrepos = set()
    seendirs = set()
    for name, path in repos:

        if not name.startswith(subdir):
            continue
        name = name[len(subdir) :]
        directory = False

        if b'/' in name:
            if not descend:
                continue

            nameparts = name.split(b'/')
            rootname = nameparts[0]

            if not collapse:
                pass
            elif rootname in seendirs:

            else:
                directory = True
                name = rootname

                # redefine the path to refer to the directory
                discarded = b'/'.join(nameparts[1:])

                # remove name parts plus accompanying slash
                path = path[: -len(discarded) - 1]

                try:

                    directory = False
                except (IOError, error.RepoError):
                    pass

        parts = [
            req.apppath.strip(b'/'),
            subdir.strip(b'/'),
            name.strip(b'/'),
        ]
        url = b'/' + b'/'.join(p for p in parts if p) + b'/'

        # show either a directory entry or a repository
        if directory:
            # get the directory's time information
            try:

                continue

            # add '/' to the name to make it obvious that
            # the entry is a directory, not a regular repository
            row = {
                b'contact': b"",
                b'contact_sort': b"",
                b'name': name + b'/',
                b'name_sort': name,
                b'url': url,
                b'description': b"",
                b'description_sort': b"",
                b'lastchange': d,
                b'lastchange_sort': d[1] - d[0],
                b'archives': templateutil.mappinglist([]),
                b'isdirectory': True,
                b'labels': templateutil.hybridlist([], name=b'label'),
            }

            seendirs.add(name)
            yield row
            continue

        u = ui.copy()
        try:
            u.readconfig(os.path.join(path, b'.hg', b'hgrc'))
        except Exception as e:
            u.warn(_(b'error reading %s/.hg/hgrc: %s\n') % (path, e))
            continue

        def get(section, name, default=uimod._unset):
            return u.config(section, name, default, untrusted=True)

        if u.configbool(b"web", b"hidden", untrusted=True):
            continue

        if not readallowed(u, req):
            continue

        # update time with local timezone
        try:
            r = hg.repository(ui, path)
        except IOError:
            u.warn(_(b'error accessing repository at %s\n') % path)
            continue
        except error.RepoError:
            u.warn(_(b'error accessing repository at %s\n') % path)
            continue
        try:
            d = (get_mtime(r.spath), dateutil.makedate()[1])
        except OSError:
            continue

        contact = get_contact(get)
        description = get(b"web", b"description")
        seenrepos.add(name)
        name = get(b"web", b"name", name)
        labels = u.configlist(b'web', b'labels', untrusted=True)
        row = {
            b'contact': contact or b"unknown",
            b'contact_sort': contact.upper() or b"unknown",
            b'name': name,
            b'name_sort': name,
            b'url': url,
            b'description': description or b"unknown",
            b'description_sort': description.upper() or b"unknown",
            b'lastchange': d,
            b'lastchange_sort': d[1] - d[0],
            b'archives': webutil.archivelist(u, b"tip", url),
            b'isdirectory': None,
            b'labels': templateutil.hybridlist(labels, name=b'label'),
        }

        yield row

    rows = rawindexentries(ui, repos, req, subdir=subdir)

    sortdefault = None, False

    if sortcolumn and sortdefault != (sortcolumn, descending):
        sortkey = b'%s_sort' % sortcolumn
        rows = sorted(rows, key=lambda x: x[sortkey], reverse=descending)

    for row, parity in zip(rows, paritygen(stripecount)):
        row[b'parity'] = parity
        yield row


def indexentries(
    ui, repos, req, stripecount, sortcolumn=b'', descending=False, subdir=b''
):
    args = (ui, repos, req, stripecount, sortcolumn, descending, subdir)
    return templateutil.mappinggenerator(_indexentriesgen, args=args)

            extensions.loadall(self.ui)
            extensions.populateui(self.ui)

    def refresh(self):
        if self.ui:
            refreshinterval = self.ui.configint(b'web', b'refreshinterval')
        else:
            item = configitems.coreitems[b'web'][b'refreshinterval']
            refreshinterval = item.default

        # refreshinterval <= 0 means to always refresh.
        if (
            refreshinterval > 0

        if self.baseui:
            u = self.baseui.copy()
        else:
            u = uimod.ui.load()
            u.setconfig(b'ui', b'report_untrusted', b'off', b'hgwebdir')
            u.setconfig(b'ui', b'nontty', b'true', b'hgwebdir')
            # displaying bundling progress bar while serving feels wrong and may
            # break some wsgi implementations.
            u.setconfig(b'progress', b'disable', b'true', b'hgweb')

        if not isinstance(self.conf, (dict, list, tuple)):
            map = {b'paths': b'hgweb-paths'}
            if not os.path.exists(self.conf):
                raise error.Abort(_(b'config file %s not found!') % self.conf)
            u.readconfig(self.conf, remap=map, trust=True)
            paths = []
            for name, ignored in u.configitems(b'hgweb-paths'):
                for path in u.configlist(b'hgweb-paths', name):
                    paths.append((name, path))
        elif isinstance(self.conf, (list, tuple)):
            paths = self.conf
        elif isinstance(self.conf, dict):
            paths = self.conf.items()
        extensions.populateui(u)

        repos = findrepos(paths)
        for prefix, root in u.configitems(b'collections'):
            prefix = util.pconvert(prefix)
            for path in scmutil.walkrepos(root, followsym=True):
                repo = os.path.normpath(path)
                name = util.pconvert(repo)
                if name.startswith(prefix):
                    name = name[len(prefix) :]
                repos.append((name.lstrip(b'/'), repo))

        self.repos = repos
        self.ui = u
        encoding.encoding = self.ui.config(b'web', b'encoding')
        self.style = self.ui.config(b'web', b'style')
        self.templatepath = self.ui.config(
            b'web', b'templates', untrusted=False
        )
        self.stripecount = self.ui.config(b'web', b'stripes')
        if self.stripecount:
            self.stripecount = int(self.stripecount)
        prefix = self.ui.config(b'web', b'prefix')
        if prefix.startswith(b'/'):
            prefix = prefix[1:]
        if prefix.endswith(b'/'):
            prefix = prefix[:-1]
        self.prefix = prefix
        self.lastrefresh = time.time()

    def run(self):
        if not encoding.environ.get(b'GATEWAY_INTERFACE', b'').startswith(
            b"CGI/1."
        ):
            raise RuntimeError(
                b"This function is only intended to be "
                b"called while running as a CGI script."
            )
        wsgicgi.launch(self)

    def __call__(self, env, respond):
        baseurl = self.ui.config(b'web', b'baseurl')
        req = requestmod.parserequestfromenv(env, altbaseurl=baseurl)
        res = requestmod.wsgiresponse(req, respond)

        return self.run_wsgi(req, res)

    def run_wsgi(self, req, res):
        profile = self.ui.configbool(b'profiling', b'enabled')
        with profiling.profile(self.ui, enabled=profile):
            try:
                for r in self._runwsgi(req, res):
                    yield r
            finally:

        try:
            self.refresh()

            csp, nonce = cspvalues(self.ui)
            if csp:
                res.headers[b'Content-Security-Policy'] = csp

            virtual = req.dispatchpath.strip(b'/')
            tmpl = self.templater(req, nonce)
            ctype = tmpl.render(b'mimetype', {b'encoding': encoding.encoding})

            # Global defaults. These can be overridden by any handler.
            res.status = b'200 Script output follows'
            res.headers[b'Content-Type'] = ctype

            # a static file
            if virtual.startswith(b'static/') or b'static' in req.qsparams:
                if virtual.startswith(b'static/'):
                    fname = virtual[7:]
                else:
                    fname = req.qsparams[b'static']
                static = self.ui.config(b"web", b"static", untrusted=False)
                if not static:
                    tp = self.templatepath or templater.templatepaths()
                    if isinstance(tp, str):
                        tp = [tp]
                    static = [os.path.join(p, b'static') for p in tp]

                staticfile(static, fname, res)
                return res.sendresponse()

            # top-level index

            repos = dict(self.repos)

            if (not virtual or virtual == b'index') and virtual not in repos:
                return self.makeindex(req, res, tmpl)

            # nested indexes and hgwebs

            if virtual.endswith(b'/index') and virtual not in repos:
                subdir = virtual[: -len(b'index')]
                if any(r.startswith(subdir) for r in repos):
                    return self.makeindex(req, res, tmpl, subdir)

            def _virtualdirs():
                # Check the full virtual path, and each parent

                            k.decode('latin1'): v for k, v in uenv.iteritems()
                        }
                    req = requestmod.parserequestfromenv(
                        uenv,
                        reponame=virtualrepo,
                        altbaseurl=self.ui.config(b'web', b'baseurl'),
                        # Reuse wrapped body file object otherwise state
                        # tracking can get confused.
                        bodyfh=req.bodyfh,
                    )
                    try:

                        raise ErrorResponse(HTTP_SERVER_ERROR, msg)
                    except error.RepoError as inst:
                        raise ErrorResponse(HTTP_SERVER_ERROR, bytes(inst))

            # browse subdirectories
            subdir = virtual + b'/'
            if [r for r in repos if r.startswith(subdir)]:
                return self.makeindex(req, res, tmpl, subdir)

            # prefixes not found
            res.status = b'404 Not Found'
            res.setbodygen(tmpl.generate(b'notfound', {b'repo': virtual}))
            return res.sendresponse()

        except ErrorResponse as e:
            res.status = statusmessage(e.code, pycompat.bytestr(e))
            res.setbodygen(
                tmpl.generate(b'error', {b'error': e.message or b''})
            )
            return res.sendresponse()
        finally:
            tmpl = None

    def makeindex(self, req, res, tmpl, subdir=b""):
        self.refresh()
        sortable = [b"name", b"description", b"contact", b"lastchange"]
        sortcolumn, descending = None, False
        if b'sort' in req.qsparams:
            sortcolumn = req.qsparams[b'sort']
            descending = sortcolumn.startswith(b'-')
            if descending:
                sortcolumn = sortcolumn[1:]
            if sortcolumn not in sortable:
                sortcolumn = b""

        sort = [
            (
                b"sort_%s" % column,
                b"%s%s"
                % (
                    (not descending and column == sortcolumn) and b"-" or b"",
                    column,
                ),
            )
            for column in sortable
        ]

            descending=descending,
            subdir=subdir,
        )

        mapping = {
            b'entries': entries,
            b'subdir': subdir,
            b'pathdef': hgweb_mod.makebreadcrumb(b'/' + subdir, self.prefix),
            b'sortcolumn': sortcolumn,
            b'descending': descending,
        }
        mapping.update(sort)
        res.setbodygen(tmpl.generate(b'index', mapping))
        return res.sendresponse()

    def templater(self, req, nonce):
        def config(section, name, default=uimod._unset, untrusted=True):
            return self.ui.config(section, name, default, untrusted)

        vars = {}
        styles, (style, mapfile) = hgweb_mod.getstyle(
            req, config, self.templatepath
        )
        if style == styles[0]:
            vars[b'style'] = style

        sessionvars = webutil.sessionvars(vars, b'?')
        logourl = config(b'web', b'logourl')
        logoimg = config(b'web', b'logoimg')
        staticurl = (
            config(b'web', b'staticurl')
            or req.apppath.rstrip(b'/') + b'/static/'
        )
        if not staticurl.endswith(b'/'):
            staticurl += b'/'

        defaults = {
            b"encoding": encoding.encoding,
            b"url": req.apppath + b'/',
            b"logourl": logourl,
            b"logoimg": logoimg,
            b"staticurl": staticurl,
            b"sessionvars": sessionvars,
            b"style": style,
            b"nonce": nonce,
        }
        templatekeyword = registrar.templatekeyword(defaults)

        @templatekeyword(b'motd', requires=())
        def motd(context, mapping):
            if self.motd is not None:
                yield self.motd
            else:
                yield config(b'web', b'motd')

        tmpl = templater.templater.frommapfile(mapfile, defaults=defaults)
        return tmpl