fix(apps): fixed readme generator from async to sync runner.

This caused some issues with threadlocals, this isn't safe to use at this moment and was a regression

rhodecode/apps/_base/__init__.py

@@ -26,7 +26,11 b' from rhodecode.lib import helpers as h, '
 from rhodecode.lib.str_utils import safe_str
 from rhodecode.lib.utils import repo_name_slug
 from rhodecode.lib.utils2 import (
-    StrictAttributeDict, str2bool, safe_int, datetime_to_time)
+    StrictAttributeDict,
+    str2bool,
+    safe_int,
+    datetime_to_time,
+)
 from rhodecode.lib.markup_renderer import MarkupRenderer, relative_links
 from rhodecode.lib.vcs.backends.base import EmptyCommit
 from rhodecode.lib.vcs.exceptions import RepositoryRequirementError
@@ -42,27 +46,27 b' from rhodecode.model.repo import ReadmeF'
 log = logging.getLogger(__name__)
 
 
-ADMIN_PREFIX: str = '/_admin'
-STATIC_FILE_PREFIX: str = '/_static'
+ADMIN_PREFIX: str = "/_admin"
+STATIC_FILE_PREFIX: str = "/_static"
 
 URL_NAME_REQUIREMENTS = {
     # group name can have a slash in them, but they must not end with a slash
-    'group_name': r'.*?[^/]',
-    'repo_group_name': r'.*?[^/]',
+    "group_name": r".*?[^/]",
+    "repo_group_name": r".*?[^/]",
     # repo names can have a slash in them, but they must not end with a slash
-    'repo_name': r'.*?[^/]',
+    "repo_name": r".*?[^/]",
     # file path eats up everything at the end
-    'f_path': r'.*',
+    "f_path": r".*",
     # reference types
-    'source_ref_type': r'(branch|book|tag|rev|\%\(source_ref_type\)s)',
-    'target_ref_type': r'(branch|book|tag|rev|\%\(target_ref_type\)s)',
+    "source_ref_type": r"(branch|book|tag|rev|\%\(source_ref_type\)s)",
+    "target_ref_type": r"(branch|book|tag|rev|\%\(target_ref_type\)s)",
 }
 
 
-def add_route_with_slash(config,name, pattern, **kw):
+def add_route_with_slash(config, name, pattern, **kw):
     config.add_route(name, pattern, **kw)
-    if not pattern.endswith('/'):
-        config.add_route(name + '_slash', pattern + '/', **kw)
+    if not pattern.endswith("/"):
+        config.add_route(name + "_slash", pattern + "/", **kw)
 
 
 def add_route_requirements(route_path, requirements=None):
@@ -73,7 +77,7 b' def add_route_requirements(route_path, r'
     """
     requirements = requirements or URL_NAME_REQUIREMENTS
     for key, regex in list(requirements.items()):
-        route_path = route_path.replace('{%s}' % key, '{%s:%s}' % (key, regex))
+        route_path = route_path.replace("{%s}" % key, "{%s:%s}" % (key, regex))
     return route_path
 
 
@@ -92,7 +96,7 b' def _format_ref_id(name, raw_id):'
 
 def _format_ref_id_svn(name, raw_id):
     """Special way of formatting a reference for Subversion including path"""
-    return f'{name}@{raw_id}'
+    return f"{name}@{raw_id}"
 
 
 class TemplateArgs(StrictAttributeDict):
@@ -100,38 +104,37 b' class TemplateArgs(StrictAttributeDict):'
 
 
 class BaseAppView(object):
-
     def __init__(self, context, request):
         self.request = request
         self.context = context
         self.session = request.session
-        if not hasattr(request, 'user'):
+        if not hasattr(request, "user"):
             # NOTE(marcink): edge case, we ended up in matched route
             # but probably of web-app context, e.g API CALL/VCS CALL
-            if hasattr(request, 'vcs_call') or hasattr(request, 'rpc_method'):
-                log.warning('Unable to process request `%s` in this scope', request)
+            if hasattr(request, "vcs_call") or hasattr(request, "rpc_method"):
+                log.warning("Unable to process request `%s` in this scope", request)
                 raise HTTPBadRequest()
 
         self._rhodecode_user = request.user  # auth user
         self._rhodecode_db_user = self._rhodecode_user.get_instance()
         self._maybe_needs_password_change(
-            request.matched_route.name, self._rhodecode_db_user)
+            request.matched_route.name, self._rhodecode_db_user
+        )
 
     def _maybe_needs_password_change(self, view_name, user_obj):
-
-        dont_check_views = [
-            'channelstream_connect',
-            'ops_ping'
-        ]
+        dont_check_views = ["channelstream_connect", "ops_ping"]
         if view_name in dont_check_views:
             return
 
-        log.debug('Checking if user %s needs password change on view %s',
-                  user_obj, view_name)
+        log.debug(
+            "Checking if user %s needs password change on view %s", user_obj, view_name
+        )
 
         skip_user_views = [
-            'logout', 'login',
-            'my_account_password', 'my_account_password_update'
+            "logout",
+            "login",
+            "my_account_password",
+            "my_account_password_update",
         ]
 
         if not user_obj:
@@ -141,16 +144,18 b' class BaseAppView(object):'
             return
 
         now = time.time()
-        should_change = user_obj.user_data.get('force_password_change')
+        should_change = user_obj.user_data.get("force_password_change")
         change_after = safe_int(should_change) or 0
         if should_change and now > change_after:
-            log.debug('User %s requires password change', user_obj)
-            h.flash('You are required to change your password', 'warning',
-                    ignore_duplicate=True)
+            log.debug("User %s requires password change", user_obj)
+            h.flash(
+                "You are required to change your password",
+                "warning",
+                ignore_duplicate=True,
+            )
 
             if view_name not in skip_user_views:
-                raise HTTPFound(
-                    self.request.route_path('my_account_password'))
+                raise HTTPFound(self.request.route_path("my_account_password"))
 
     def _log_creation_exception(self, e, repo_name):
         _ = self.request.translate
@@ -158,15 +163,12 b' class BaseAppView(object):'
         if len(e.args) == 2:
             reason = e.args[1]
 
-        if reason == 'INVALID_CERTIFICATE':
-            log.exception(
-                'Exception creating a repository: invalid certificate')
-            msg = (_('Error creating repository %s: invalid certificate')
-                   % repo_name)
+        if reason == "INVALID_CERTIFICATE":
+            log.exception("Exception creating a repository: invalid certificate")
+            msg = _("Error creating repository %s: invalid certificate") % repo_name
         else:
             log.exception("Exception creating a repository")
-            msg = (_('Error creating repository %s')
-                   % repo_name)
+            msg = _("Error creating repository %s") % repo_name
         return msg
 
     def _get_local_tmpl_context(self, include_app_defaults=True):
@@ -177,6 +179,7 b' class BaseAppView(object):'
 
         if include_app_defaults:
             from rhodecode.lib.base import attach_context_attributes
+
             attach_context_attributes(c, self.request, self.request.user.user_id)
 
         c.is_super_admin = c.auth_user.is_admin
@@ -188,28 +191,28 b' class BaseAppView(object):'
         c.is_delegated_admin = False
 
         if not c.auth_user.is_default and not c.is_super_admin:
-            c.can_create_repo = h.HasPermissionAny('hg.create.repository')(
-                user=self.request.user)
+            c.can_create_repo = h.HasPermissionAny("hg.create.repository")(
+                user=self.request.user
+            )
             repositories = c.auth_user.repositories_admin or c.can_create_repo
 
-            c.can_create_repo_group = h.HasPermissionAny('hg.repogroup.create.true')(
-                user=self.request.user)
-            repository_groups = c.auth_user.repository_groups_admin or c.can_create_repo_group
+            c.can_create_repo_group = h.HasPermissionAny("hg.repogroup.create.true")(
+                user=self.request.user
+            )
+            repository_groups = (
+                c.auth_user.repository_groups_admin or c.can_create_repo_group
+            )
 
-            c.can_create_user_group = h.HasPermissionAny('hg.usergroup.create.true')(
-                user=self.request.user)
+            c.can_create_user_group = h.HasPermissionAny("hg.usergroup.create.true")(
+                user=self.request.user
+            )
             user_groups = c.auth_user.user_groups_admin or c.can_create_user_group
             # delegated admin can create, or manage some objects
             c.is_delegated_admin = repositories or repository_groups or user_groups
         return c
 
     def _get_template_context(self, tmpl_args, **kwargs):
-
-        local_tmpl_args = {
-            'defaults': {},
-            'errors': {},
-            'c': tmpl_args
-        }
+        local_tmpl_args = {"defaults": {}, "errors": {}, "c": tmpl_args}
         local_tmpl_args.update(kwargs)
         return local_tmpl_args
 
@@ -223,11 +226,10 b' class BaseAppView(object):'
 
             return c
         """
-        raise NotImplementedError('Needs implementation in view class')
+        raise NotImplementedError("Needs implementation in view class")
 
 
 class RepoAppView(BaseAppView):
-
     def __init__(self, context, request):
         super().__init__(context, request)
         self.db_repo = request.db_repo
@@ -238,11 +240,13 b' class RepoAppView(BaseAppView):'
 
     def _handle_missing_requirements(self, error):
         log.error(
-            'Requirements are missing for repository %s: %s',
-            self.db_repo_name, safe_str(error))
+            "Requirements are missing for repository %s: %s",
+            self.db_repo_name,
+            safe_str(error),
+        )
 
     def _prepare_and_set_clone_url(self, c):
-        username = ''
+        username = ""
         if self._rhodecode_user.username != User.DEFAULT_USER:
             username = self._rhodecode_user.username
 
@@ -251,16 +255,18 b' class RepoAppView(BaseAppView):'
         _def_clone_uri_ssh = c.clone_uri_ssh_tmpl
 
         c.clone_repo_url = self.db_repo.clone_url(
-            user=username, uri_tmpl=_def_clone_uri)
+            user=username, uri_tmpl=_def_clone_uri
+        )
         c.clone_repo_url_id = self.db_repo.clone_url(
-            user=username, uri_tmpl=_def_clone_uri_id)
+            user=username, uri_tmpl=_def_clone_uri_id
+        )
         c.clone_repo_url_ssh = self.db_repo.clone_url(
-            uri_tmpl=_def_clone_uri_ssh, ssh=True)
+            uri_tmpl=_def_clone_uri_ssh, ssh=True
+        )
 
     def _get_local_tmpl_context(self, include_app_defaults=True):
         _ = self.request.translate
-        c = super()._get_local_tmpl_context(
-            include_app_defaults=include_app_defaults)
+        c = super()._get_local_tmpl_context(include_app_defaults=include_app_defaults)
 
         # register common vars for this type of view
         c.rhodecode_db_repo = self.db_repo
@@ -268,7 +274,8 b' class RepoAppView(BaseAppView):'
         c.repository_pull_requests = self.db_repo_pull_requests
         c.repository_artifacts = self.db_repo_artifacts
         c.repository_is_user_following = ScmModel().is_following_repo(
-            self.db_repo_name, self._rhodecode_user.user_id)
+            self.db_repo_name, self._rhodecode_user.user_id
+        )
         self.path_filter = PathFilter(None)
 
         c.repository_requirements_missing = {}
@@ -279,10 +286,11 b' class RepoAppView(BaseAppView):'
             # calculate
             if self.rhodecode_vcs_repo is not None:
                 path_perms = self.rhodecode_vcs_repo.get_path_permissions(
-                    c.auth_user.username)
+                    c.auth_user.username
+                )
                 self.path_filter = PathFilter(path_perms)
         except RepositoryRequirementError as e:
-            c.repository_requirements_missing = {'error': str(e)}
+            c.repository_requirements_missing = {"error": str(e)}
             self._handle_missing_requirements(e)
             self.rhodecode_vcs_repo = None
 
@@ -290,29 +298,36 b' class RepoAppView(BaseAppView):'
 
         if self.rhodecode_vcs_repo is None:
             # unable to fetch this repo as vcs instance, report back to user
-            log.debug('Repository was not found on filesystem, check if it exists or is not damaged')
-            h.flash(_(
-                "The repository `%(repo_name)s` cannot be loaded in filesystem. "
-                "Please check if it exist, or is not damaged.") %
-                    {'repo_name': c.repo_name},
-                    category='error', ignore_duplicate=True)
+            log.debug(
+                "Repository was not found on filesystem, check if it exists or is not damaged"
+            )
+            h.flash(
+                _(
+                    "The repository `%(repo_name)s` cannot be loaded in filesystem. "
+                    "Please check if it exist, or is not damaged."
+                )
+                % {"repo_name": c.repo_name},
+                category="error",
+                ignore_duplicate=True,
+            )
             if c.repository_requirements_missing:
                 route = self.request.matched_route.name
-                if route.startswith(('edit_repo', 'repo_summary')):
+                if route.startswith(("edit_repo", "repo_summary")):
                     # allow summary and edit repo on missing requirements
                     return c
 
                 raise HTTPFound(
-                    h.route_path('repo_summary', repo_name=self.db_repo_name))
+                    h.route_path("repo_summary", repo_name=self.db_repo_name)
+                )
 
             else:  # redirect if we don't show missing requirements
-                raise HTTPFound(h.route_path('home'))
+                raise HTTPFound(h.route_path("home"))
 
         c.has_origin_repo_read_perm = False
         if self.db_repo.fork:
             c.has_origin_repo_read_perm = h.HasRepoPermissionAny(
-                'repository.write', 'repository.read', 'repository.admin')(
-                self.db_repo.fork.repo_name, 'summary fork link')
+                "repository.write", "repository.read", "repository.admin"
+            )(self.db_repo.fork.repo_name, "summary fork link")
 
         return c
 
@@ -320,10 +335,10 b' class RepoAppView(BaseAppView):'
         """
         Should only be used by redirects, everything else should call _get_f_path
         """
-        f_path = matchdict.get('f_path')
+        f_path = matchdict.get("f_path")
         if f_path:
             # fix for multiple initial slashes that causes errors for GIT
-            return f_path.lstrip('/')
+            return f_path.lstrip("/")
 
         return default
 
@@ -341,8 +356,8 b' class RepoAppView(BaseAppView):'
         settings = settings_model.get_repo_settings_inherited()
         return settings.get(settings_key, default)
 
-    def _get_readme_data(self, db_repo, renderer_type, commit_id=None, path='/'):
-        log.debug('Looking for README file at path %s', path)
+    def _get_readme_data(self, db_repo, renderer_type, commit_id=None, path="/"):
+        log.debug("Looking for README file at path %s", path)
         if commit_id:
             landing_commit_id = commit_id
         else:
@@ -351,49 +366,73 b' class RepoAppView(BaseAppView):'
                 return None, None
             landing_commit_id = landing_commit.raw_id
 
-        cache_namespace_uid = f'repo.{db_repo.repo_id}'
-        region = rc_cache.get_or_create_region('cache_repo', cache_namespace_uid, use_async_runner=True)
+        cache_namespace_uid = f"repo.{db_repo.repo_id}"
+        region = rc_cache.get_or_create_region(
+            "cache_repo", cache_namespace_uid, use_async_runner=False
+        )
         start = time.time()
 
         @region.conditional_cache_on_arguments(namespace=cache_namespace_uid)
-        def generate_repo_readme(repo_id, _commit_id, _repo_name, _readme_search_path, _renderer_type):
+        def generate_repo_readme(
+            repo_id, _commit_id, _repo_name, _readme_search_path, _renderer_type
+        ):
             readme_data = None
             readme_filename = None
 
             commit = db_repo.get_commit(_commit_id)
             log.debug("Searching for a README file at commit %s.", _commit_id)
-            readme_node = ReadmeFinder(_renderer_type).search(commit, path=_readme_search_path)
+            readme_node = ReadmeFinder(_renderer_type).search(
+                commit, path=_readme_search_path
+            )
 
             if readme_node:
-                log.debug('Found README node: %s', readme_node)
+                log.debug("Found README node: %s", readme_node)
+
                 relative_urls = {
-                    'raw': h.route_path(
-                        'repo_file_raw', repo_name=_repo_name,
-                        commit_id=commit.raw_id, f_path=readme_node.path),
-                    'standard': h.route_path(
-                        'repo_files', repo_name=_repo_name,
-                        commit_id=commit.raw_id, f_path=readme_node.path),
+                    "raw": h.route_path(
+                        "repo_file_raw",
+                        repo_name=_repo_name,
+                        commit_id=commit.raw_id,
+                        f_path=readme_node.path,
+                    ),
+                    "standard": h.route_path(
+                        "repo_files",
+                        repo_name=_repo_name,
+                        commit_id=commit.raw_id,
+                        f_path=readme_node.path,
+                    ),
                 }
 
-                readme_data = self._render_readme_or_none(commit, readme_node, relative_urls)
+                readme_data = self._render_readme_or_none(
+                    commit, readme_node, relative_urls
+                )
                 readme_filename = readme_node.str_path
 
             return readme_data, readme_filename
 
         readme_data, readme_filename = generate_repo_readme(
-            db_repo.repo_id, landing_commit_id, db_repo.repo_name, path, renderer_type,)
+            db_repo.repo_id,
+            landing_commit_id,
+            db_repo.repo_name,
+            path,
+            renderer_type,
+        )
 
         compute_time = time.time() - start
-        log.debug('Repo README for path %s generated and computed in %.4fs',
-                  path, compute_time)
+        log.debug(
+            "Repo README for path %s generated and computed in %.4fs",
+            path,
+            compute_time,
+        )
         return readme_data, readme_filename
 
     def _render_readme_or_none(self, commit, readme_node, relative_urls):
-        log.debug('Found README file `%s` rendering...', readme_node.path)
+        log.debug("Found README file `%s` rendering...", readme_node.path)
         renderer = MarkupRenderer()
         try:
             html_source = renderer.render(
-                readme_node.str_content, filename=readme_node.path)
+                readme_node.str_content, filename=readme_node.path
+            )
             if relative_urls:
                 return relative_links(html_source, relative_urls)
             return html_source
@@ -401,20 +440,27 b' class RepoAppView(BaseAppView):'
             log.exception("Exception while trying to render the README")
 
     def get_recache_flag(self):
-        for flag_name in ['force_recache', 'force-recache', 'no-cache']:
+        for flag_name in ["force_recache", "force-recache", "no-cache"]:
             flag_val = self.request.GET.get(flag_name)
             if str2bool(flag_val):
                 return True
         return False
 
     def get_commit_preload_attrs(cls):
-        pre_load = ['author', 'branch', 'date', 'message', 'parents',
-                    'obsolete', 'phase', 'hidden']
+        pre_load = [
+            "author",
+            "branch",
+            "date",
+            "message",
+            "parents",
+            "obsolete",
+            "phase",
+            "hidden",
+        ]
         return pre_load
 
 
 class PathFilter(object):
-
     # Expects and instance of BasePathPermissionChecker or None
     def __init__(self, permission_checker):
         self.permission_checker = permission_checker
@@ -425,13 +471,15 b' class PathFilter(object):'
         raise HTTPForbidden()
 
     def path_access_allowed(self, path):
-        log.debug('Checking ACL permissions for PathFilter for `%s`', path)
+        log.debug("Checking ACL permissions for PathFilter for `%s`", path)
         if self.permission_checker:
             has_access = path and self.permission_checker.has_access(path)
-            log.debug('ACL Permissions checker enabled, ACL Check has_access: %s', has_access)
+            log.debug(
+                "ACL Permissions checker enabled, ACL Check has_access: %s", has_access
+            )
             return has_access
 
-        log.debug('ACL permissions checker not enabled, skipping...')
+        log.debug("ACL permissions checker not enabled, skipping...")
         return True
 
     def filter_patchset(self, patchset):
@@ -440,23 +488,27 b' class PathFilter(object):'
         had_filtered = False
         filtered_patchset = []
         for patch in patchset:
-            filename = patch.get('filename', None)
+            filename = patch.get("filename", None)
             if not filename or self.permission_checker.has_access(filename):
                 filtered_patchset.append(patch)
             else:
                 had_filtered = True
         if had_filtered:
             if isinstance(patchset, diffs.LimitedDiffContainer):
-                filtered_patchset = diffs.LimitedDiffContainer(patchset.diff_limit, patchset.cur_diff_size, filtered_patchset)
+                filtered_patchset = diffs.LimitedDiffContainer(
+                    patchset.diff_limit, patchset.cur_diff_size, filtered_patchset
+                )
             return filtered_patchset, True
         else:
             return patchset, False
 
-    def render_patchset_filtered(self, diffset, patchset, source_ref=None, target_ref=None):
-
+    def render_patchset_filtered(
+        self, diffset, patchset, source_ref=None, target_ref=None
+    ):
         filtered_patchset, has_hidden_changes = self.filter_patchset(patchset)
         result = diffset.render_patchset(
-            filtered_patchset, source_ref=source_ref, target_ref=target_ref)
+            filtered_patchset, source_ref=source_ref, target_ref=target_ref
+        )
         result.has_hidden_changes = has_hidden_changes
         return result
 
@@ -466,7 +518,7 b' class PathFilter(object):'
         elif self.permission_checker.has_full_access:
             return diff_processor.as_raw()
         else:
-            return '# Repository has user-specific filters, raw patch generation is disabled.'
+            return "# Repository has user-specific filters, raw patch generation is disabled."
 
     @property
     def is_enabled(self):
@@ -481,19 +533,35 b' class RepoGroupAppView(BaseAppView):'
 
     def _get_local_tmpl_context(self, include_app_defaults=True):
         _ = self.request.translate
-        c = super()._get_local_tmpl_context(
-            include_app_defaults=include_app_defaults)
+        c = super()._get_local_tmpl_context(include_app_defaults=include_app_defaults)
         c.repo_group = self.db_repo_group
         return c
 
     def _revoke_perms_on_yourself(self, form_result):
-        _updates = [u for u in form_result['perm_updates'] if self._rhodecode_user.user_id == int(u[0])]
-        _additions = [u for u in form_result['perm_additions'] if self._rhodecode_user.user_id == int(u[0])]
-        _deletions = [u for u in form_result['perm_deletions'] if self._rhodecode_user.user_id == int(u[0])]
-        admin_perm = 'group.admin'
-        if _updates and _updates[0][1] != admin_perm or \
-           _additions and _additions[0][1] != admin_perm or \
-           _deletions and _deletions[0][1] != admin_perm:
+        _updates = [
+            u
+            for u in form_result["perm_updates"]
+            if self._rhodecode_user.user_id == int(u[0])
+        ]
+        _additions = [
+            u
+            for u in form_result["perm_additions"]
+            if self._rhodecode_user.user_id == int(u[0])
+        ]
+        _deletions = [
+            u
+            for u in form_result["perm_deletions"]
+            if self._rhodecode_user.user_id == int(u[0])
+        ]
+        admin_perm = "group.admin"
+        if (
+            _updates
+            and _updates[0][1] != admin_perm
+            or _additions
+            and _additions[0][1] != admin_perm
+            or _deletions
+            and _deletions[0][1] != admin_perm
+        ):
             return True
         return False
 
@@ -514,9 +582,11 b' class UserAppView(BaseAppView):'
         _ = self.request.translate
         if not request.db_user_supports_default:
             if self.db_user.username == User.DEFAULT_USER:
-                h.flash(_("Editing user `{}` is disabled.".format(
-                    User.DEFAULT_USER)), category='warning')
-                raise HTTPFound(h.route_path('users'))
+                h.flash(
+                    _("Editing user `{}` is disabled.".format(User.DEFAULT_USER)),
+                    category="warning",
+                )
+                raise HTTPFound(h.route_path("users"))
 
 
 class DataGridAppView(object):
@@ -526,22 +596,20 b' class DataGridAppView(object):'
 
     def _extract_ordering(self, request, column_map=None):
         column_map = column_map or {}
-        column_index = safe_int(request.GET.get('order[0][column]'))
-        order_dir = request.GET.get(
-            'order[0][dir]', 'desc')
-        order_by = request.GET.get(
-            'columns[%s][data][sort]' % column_index, 'name_raw')
+        column_index = safe_int(request.GET.get("order[0][column]"))
+        order_dir = request.GET.get("order[0][dir]", "desc")
+        order_by = request.GET.get("columns[%s][data][sort]" % column_index, "name_raw")
 
         # translate datatable to DB columns
         order_by = column_map.get(order_by) or order_by
 
-        search_q = request.GET.get('search[value]')
+        search_q = request.GET.get("search[value]")
         return search_q, order_by, order_dir
 
     def _extract_chunk(self, request):
-        start = safe_int(request.GET.get('start'), 0)
-        length = safe_int(request.GET.get('length'), 25)
-        draw = safe_int(request.GET.get('draw'))
+        start = safe_int(request.GET.get("start"), 0)
+        length = safe_int(request.GET.get("length"), 25)
+        draw = safe_int(request.GET.get("draw"))
         return draw, start, length
 
     def _get_order_col(self, order_by, model):
@@ -558,6 +626,7 b' class BaseReferencesView(RepoAppView):'
     """
     Base for reference view for branches, tags and bookmarks.
     """
+
     def load_default_context(self):
         c = self._get_local_tmpl_context()
         return c
@@ -578,42 +647,47 b' class BaseReferencesView(RepoAppView):'
         data = []
         for ref_name, commit_id in ref_items:
             commit = self.rhodecode_vcs_repo.get_commit(
-                commit_id=commit_id, pre_load=pre_load)
+                commit_id=commit_id, pre_load=pre_load
+            )
             closed = ref_name in closed_refs
 
             # TODO: johbo: Unify generation of reference links
-            use_commit_id = '/' in ref_name or is_svn
+            use_commit_id = "/" in ref_name or is_svn
 
             if use_commit_id:
                 files_url = h.route_path(
-                    'repo_files',
+                    "repo_files",
                     repo_name=self.db_repo_name,
-                    f_path=ref_name if is_svn else '',
+                    f_path=ref_name if is_svn else "",
                     commit_id=commit_id,
-                    _query=dict(at=ref_name)
+                    _query=dict(at=ref_name),
                 )
 
             else:
                 files_url = h.route_path(
-                    'repo_files',
+                    "repo_files",
                     repo_name=self.db_repo_name,
-                    f_path=ref_name if is_svn else '',
+                    f_path=ref_name if is_svn else "",
                     commit_id=ref_name,
-                    _query=dict(at=ref_name)
+                    _query=dict(at=ref_name),
                 )
 
-            data.append({
-                "name": _render('name', ref_name, files_url, closed),
-                "name_raw": ref_name,
-                "date": _render('date', commit.date),
-                "date_raw": datetime_to_time(commit.date),
-                "author": _render('author', commit.author),
-                "commit": _render(
-                    'commit', commit.message, commit.raw_id, commit.idx),
-                "commit_raw": commit.idx,
-                "compare": _render(
-                    'compare', format_ref_id(ref_name, commit.raw_id)),
-            })
+            data.append(
+                {
+                    "name": _render("name", ref_name, files_url, closed),
+                    "name_raw": ref_name,
+                    "date": _render("date", commit.date),
+                    "date_raw": datetime_to_time(commit.date),
+                    "author": _render("author", commit.author),
+                    "commit": _render(
+                        "commit", commit.message, commit.raw_id, commit.idx
+                    ),
+                    "commit_raw": commit.idx,
+                    "compare": _render(
+                        "compare", format_ref_id(ref_name, commit.raw_id)
+                    ),
+                }
+            )
 
         return data
 
@@ -623,23 +697,25 b' class RepoRoutePredicate(object):'
         self.val = val
 
     def text(self):
-        return f'repo_route = {self.val}'
+        return f"repo_route = {self.val}"
 
     phash = text
 
     def __call__(self, info, request):
-        if hasattr(request, 'vcs_call'):
+        if hasattr(request, "vcs_call"):
             # skip vcs calls
             return
 
-        repo_name = info['match']['repo_name']
+        repo_name = info["match"]["repo_name"]
 
-        repo_name_parts = repo_name.split('/')
+        repo_name_parts = repo_name.split("/")
         repo_slugs = [x for x in (repo_name_slug(x) for x in repo_name_parts)]
 
         if repo_name_parts != repo_slugs:
             # short-skip if the repo-name doesn't follow slug rule
-            log.warning('repo_name: %s is different than slug %s', repo_name_parts, repo_slugs)
+            log.warning(
+                "repo_name: %s is different than slug %s", repo_name_parts, repo_slugs
+            )
             return False
 
         repo_model = repo.RepoModel()
@@ -647,8 +723,8 b' class RepoRoutePredicate(object):'
         by_name_match = repo_model.get_by_repo_name(repo_name, cache=False)
 
         def redirect_if_creating(route_info, db_repo):
-            skip_views = ['edit_repo_advanced_delete']
-            route = route_info['route']
+            skip_views = ["edit_repo_advanced_delete"]
+            route = route_info["route"]
             # we should skip delete view so we can actually "remove" repositories
             # if they get stuck in creating state.
             if route.name in skip_views:
@@ -656,7 +732,8 b' class RepoRoutePredicate(object):'
 
             if db_repo.repo_state in [repo.Repository.STATE_PENDING]:
                 repo_creating_url = request.route_path(
-                    'repo_creating', repo_name=db_repo.repo_name)
+                    "repo_creating", repo_name=db_repo.repo_name
+                )
                 raise HTTPFound(repo_creating_url)
 
         if by_name_match:
@@ -682,7 +759,7 b' class RepoForbidArchivedRoutePredicate(o'
         self.val = val
 
     def text(self):
-        return f'repo_forbid_archived = {self.val}'
+        return f"repo_forbid_archived = {self.val}"
 
     phash = text
 
@@ -691,47 +768,58 b' class RepoForbidArchivedRoutePredicate(o'
         rhodecode_db_repo = request.db_repo
 
         log.debug(
-            '%s checking if archived flag for repo for %s',
-            self.__class__.__name__, rhodecode_db_repo.repo_name)
+            "%s checking if archived flag for repo for %s",
+            self.__class__.__name__,
+            rhodecode_db_repo.repo_name,
+        )
 
         if rhodecode_db_repo.archived:
-            log.warning('Current view is not supported for archived repo:%s',
-                        rhodecode_db_repo.repo_name)
+            log.warning(
+                "Current view is not supported for archived repo:%s",
+                rhodecode_db_repo.repo_name,
+            )
 
             h.flash(
-                h.literal(_('Action not supported for archived repository.')),
-                category='warning')
+                h.literal(_("Action not supported for archived repository.")),
+                category="warning",
+            )
             summary_url = request.route_path(
-                'repo_summary', repo_name=rhodecode_db_repo.repo_name)
+                "repo_summary", repo_name=rhodecode_db_repo.repo_name
+            )
             raise HTTPFound(summary_url)
         return True
 
 
 class RepoTypeRoutePredicate(object):
     def __init__(self, val, config):
-        self.val = val or ['hg', 'git', 'svn']
+        self.val = val or ["hg", "git", "svn"]
 
     def text(self):
-        return f'repo_accepted_type = {self.val}'
+        return f"repo_accepted_type = {self.val}"
 
     phash = text
 
     def __call__(self, info, request):
-        if hasattr(request, 'vcs_call'):
+        if hasattr(request, "vcs_call"):
             # skip vcs calls
             return
 
         rhodecode_db_repo = request.db_repo
 
         log.debug(
-            '%s checking repo type for %s in %s',
-            self.__class__.__name__, rhodecode_db_repo.repo_type, self.val)
+            "%s checking repo type for %s in %s",
+            self.__class__.__name__,
+            rhodecode_db_repo.repo_type,
+            self.val,
+        )
 
         if rhodecode_db_repo.repo_type in self.val:
             return True
         else:
-            log.warning('Current view is not supported for repo type:%s',
-                        rhodecode_db_repo.repo_type)
+            log.warning(
+                "Current view is not supported for repo type:%s",
+                rhodecode_db_repo.repo_type,
+            )
             return False
 
 
@@ -740,22 +828,28 b' class RepoGroupRoutePredicate(object):'
         self.val = val
 
     def text(self):
-        return f'repo_group_route = {self.val}'
+        return f"repo_group_route = {self.val}"
 
     phash = text
 
     def __call__(self, info, request):
-        if hasattr(request, 'vcs_call'):
+        if hasattr(request, "vcs_call"):
             # skip vcs calls
             return
 
-        repo_group_name = info['match']['repo_group_name']
+        repo_group_name = info["match"]["repo_group_name"]
 
-        repo_group_name_parts = repo_group_name.split('/')
-        repo_group_slugs = [x for x in [repo_name_slug(x) for x in repo_group_name_parts]]
+        repo_group_name_parts = repo_group_name.split("/")
+        repo_group_slugs = [
+            x for x in [repo_name_slug(x) for x in repo_group_name_parts]
+        ]
         if repo_group_name_parts != repo_group_slugs:
             # short-skip if the repo-name doesn't follow slug rule
-            log.warning('repo_group_name: %s is different than slug %s', repo_group_name_parts, repo_group_slugs)
+            log.warning(
+                "repo_group_name: %s is different than slug %s",
+                repo_group_name_parts,
+                repo_group_slugs,
+            )
             return False
 
         repo_group_model = repo_group.RepoGroupModel()
@@ -775,16 +869,16 b' class UserGroupRoutePredicate(object):'
         self.val = val
 
     def text(self):
-        return f'user_group_route = {self.val}'
+        return f"user_group_route = {self.val}"
 
     phash = text
 
     def __call__(self, info, request):
-        if hasattr(request, 'vcs_call'):
+        if hasattr(request, "vcs_call"):
             # skip vcs calls
             return
 
-        user_group_id = info['match']['user_group_id']
+        user_group_id = info["match"]["user_group_id"]
         user_group_model = user_group.UserGroup()
         by_id_match = user_group_model.get(user_group_id, cache=False)
 
@@ -806,11 +900,11 b' class UserRoutePredicateBase(object):'
         raise NotImplementedError()
 
     def __call__(self, info, request):
-        if hasattr(request, 'vcs_call'):
+        if hasattr(request, "vcs_call"):
             # skip vcs calls
             return
 
-        user_id = info['match']['user_id']
+        user_id = info["match"]["user_id"]
         user_model = user.User()
         by_id_match = user_model.get(user_id, cache=False)
 
@@ -827,7 +921,7 b' class UserRoutePredicate(UserRoutePredic'
     supports_default = False
 
     def text(self):
-        return f'user_route = {self.val}'
+        return f"user_route = {self.val}"
 
     phash = text
 
@@ -836,23 +930,18 b' class UserRouteWithDefaultPredicate(User'
     supports_default = True
 
     def text(self):
-        return f'user_with_default_route = {self.val}'
+        return f"user_with_default_route = {self.val}"
 
     phash = text
 
 
 def includeme(config):
-    config.add_route_predicate(
-        'repo_route', RepoRoutePredicate)
-    config.add_route_predicate(
-        'repo_accepted_types', RepoTypeRoutePredicate)
-    config.add_route_predicate(
-        'repo_forbid_when_archived', RepoForbidArchivedRoutePredicate)
+    config.add_route_predicate("repo_route", RepoRoutePredicate)
+    config.add_route_predicate("repo_accepted_types", RepoTypeRoutePredicate)
     config.add_route_predicate(
-        'repo_group_route', RepoGroupRoutePredicate)
-    config.add_route_predicate(
-        'user_group_route', UserGroupRoutePredicate)
-    config.add_route_predicate(
-        'user_route_with_default', UserRouteWithDefaultPredicate)
-    config.add_route_predicate(
-        'user_route', UserRoutePredicate)
+        "repo_forbid_when_archived", RepoForbidArchivedRoutePredicate
+    )
+    config.add_route_predicate("repo_group_route", RepoGroupRoutePredicate)
+    config.add_route_predicate("user_group_route", UserGroupRoutePredicate)
+    config.add_route_predicate("user_route_with_default", UserRouteWithDefaultPredicate)
+    config.add_route_predicate("user_route", UserRoutePredicate)