goto-switcher: reduce query data to only required attributes for speedups.

rhodecode/apps/home/views.py

@@ -1,822 +1,830 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2016-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import re
 import logging
 import collections
 
 from pyramid.httpexceptions import HTTPNotFound
 from pyramid.view import view_config
 
 from rhodecode.apps._base import BaseAppView, DataGridAppView
 from rhodecode.lib import helpers as h
 from rhodecode.lib.auth import (
     LoginRequired, NotAnonymous, HasRepoGroupPermissionAnyDecorator, CSRFRequired,
     HasRepoGroupPermissionAny, AuthUser)
 from rhodecode.lib.codeblocks import filenode_as_lines_tokens
 from rhodecode.lib.index import searcher_from_config
 from rhodecode.lib.utils2 import safe_unicode, str2bool, safe_int
 from rhodecode.lib.vcs.nodes import FileNode
 from rhodecode.model.db import (
     func, true, or_, case, in_filter_generator, Session,
     Repository, RepoGroup, User, UserGroup)
 from rhodecode.model.repo import RepoModel
 from rhodecode.model.repo_group import RepoGroupModel
 from rhodecode.model.user import UserModel
 from rhodecode.model.user_group import UserGroupModel
 
 log = logging.getLogger(__name__)
 
 
 class HomeView(BaseAppView, DataGridAppView):
 
     def load_default_context(self):
         c = self._get_local_tmpl_context()
         c.user = c.auth_user.get_instance()
 
         return c
 
     @LoginRequired()
     @view_config(
         route_name='user_autocomplete_data', request_method='GET',
         renderer='json_ext', xhr=True)
     def user_autocomplete_data(self):
         self.load_default_context()
         query = self.request.GET.get('query')
         active = str2bool(self.request.GET.get('active') or True)
         include_groups = str2bool(self.request.GET.get('user_groups'))
         expand_groups = str2bool(self.request.GET.get('user_groups_expand'))
         skip_default_user = str2bool(self.request.GET.get('skip_default_user'))
 
         log.debug('generating user list, query:%s, active:%s, with_groups:%s',
                   query, active, include_groups)
 
         _users = UserModel().get_users(
             name_contains=query, only_active=active)
 
         def maybe_skip_default_user(usr):
             if skip_default_user and usr['username'] == UserModel.cls.DEFAULT_USER:
                 return False
             return True
         _users = filter(maybe_skip_default_user, _users)
 
         if include_groups:
             # extend with user groups
             _user_groups = UserGroupModel().get_user_groups(
                 name_contains=query, only_active=active,
                 expand_groups=expand_groups)
             _users = _users + _user_groups
 
         return {'suggestions': _users}
 
     @LoginRequired()
     @NotAnonymous()
     @view_config(
         route_name='user_group_autocomplete_data', request_method='GET',
         renderer='json_ext', xhr=True)
     def user_group_autocomplete_data(self):
         self.load_default_context()
         query = self.request.GET.get('query')
         active = str2bool(self.request.GET.get('active') or True)
         expand_groups = str2bool(self.request.GET.get('user_groups_expand'))
 
         log.debug('generating user group list, query:%s, active:%s',
                   query, active)
 
         _user_groups = UserGroupModel().get_user_groups(
             name_contains=query, only_active=active,
             expand_groups=expand_groups)
         _user_groups = _user_groups
 
         return {'suggestions': _user_groups}
 
     def _get_repo_list(self, name_contains=None, repo_type=None, repo_group_name='', limit=20):
         org_query = name_contains
         allowed_ids = self._rhodecode_user.repo_acl_ids(
             ['repository.read', 'repository.write', 'repository.admin'],
             cache=False, name_filter=name_contains) or [-1]
 
-        query = Repository.query()\
+        query = Session().query(
+                Repository.repo_name,
+                Repository.repo_id,
+                Repository.repo_type,
+                Repository.private,
+            )\
             .filter(Repository.archived.isnot(true()))\
             .filter(or_(
                 # generate multiple IN to fix limitation problems
                 *in_filter_generator(Repository.repo_id, allowed_ids)
             ))
 
         query = query.order_by(case(
             [
                 (Repository.repo_name.startswith(repo_group_name), repo_group_name+'/'),
             ],
         ))
         query = query.order_by(func.length(Repository.repo_name))
         query = query.order_by(Repository.repo_name)
 
         if repo_type:
             query = query.filter(Repository.repo_type == repo_type)
 
         if name_contains:
             ilike_expression = u'%{}%'.format(safe_unicode(name_contains))
             query = query.filter(
                 Repository.repo_name.ilike(ilike_expression))
             query = query.limit(limit)
 
         acl_iter = query
 
         return [
             {
                 'id': obj.repo_name,
                 'value': org_query,
                 'value_display': obj.repo_name,
                 'text': obj.repo_name,
                 'type': 'repo',
                 'repo_id': obj.repo_id,
                 'repo_type': obj.repo_type,
                 'private': obj.private,
                 'url': h.route_path('repo_summary', repo_name=obj.repo_name)
             }
             for obj in acl_iter]
 
     def _get_repo_group_list(self, name_contains=None, repo_group_name='', limit=20):
         org_query = name_contains
         allowed_ids = self._rhodecode_user.repo_group_acl_ids(
             ['group.read', 'group.write', 'group.admin'],
             cache=False, name_filter=name_contains) or [-1]
 
-        query = RepoGroup.query()\
+        query = Session().query(
+                RepoGroup.group_id,
+                RepoGroup.group_name,
+            )\
             .filter(or_(
                 # generate multiple IN to fix limitation problems
                 *in_filter_generator(RepoGroup.group_id, allowed_ids)
             ))
 
         query = query.order_by(case(
             [
                 (RepoGroup.group_name.startswith(repo_group_name), repo_group_name+'/'),
             ],
         ))
         query = query.order_by(func.length(RepoGroup.group_name))
         query = query.order_by(RepoGroup.group_name)
 
         if name_contains:
             ilike_expression = u'%{}%'.format(safe_unicode(name_contains))
             query = query.filter(
                 RepoGroup.group_name.ilike(ilike_expression))
             query = query.limit(limit)
 
         acl_iter = query
 
         return [
             {
                 'id': obj.group_name,
                 'value': org_query,
                 'value_display': obj.group_name,
                 'text': obj.group_name,
                 'type': 'repo_group',
                 'repo_group_id': obj.group_id,
                 'url': h.route_path(
                     'repo_group_home', repo_group_name=obj.group_name)
             }
             for obj in acl_iter]
 
     def _get_user_list(self, name_contains=None, limit=20):
         org_query = name_contains
         if not name_contains:
             return [], False
 
         # TODO(marcink): should all logged in users be allowed to search others?
         allowed_user_search = self._rhodecode_user.username != User.DEFAULT_USER
         if not allowed_user_search:
             return [], False
 
         name_contains = re.compile('(?:user:[ ]?)(.+)').findall(name_contains)
         if len(name_contains) != 1:
             return [], False
 
         name_contains = name_contains[0]
 
         query = User.query()\
             .order_by(func.length(User.username))\
             .order_by(User.username) \
             .filter(User.username != User.DEFAULT_USER)
 
         if name_contains:
             ilike_expression = u'%{}%'.format(safe_unicode(name_contains))
             query = query.filter(
                 User.username.ilike(ilike_expression))
             query = query.limit(limit)
 
         acl_iter = query
 
         return [
             {
                 'id': obj.user_id,
                 'value': org_query,
                 'value_display': 'user: `{}`'.format(obj.username),
                 'type': 'user',
                 'icon_link': h.gravatar_url(obj.email, 30),
                 'url': h.route_path(
                     'user_profile', username=obj.username)
             }
             for obj in acl_iter], True
 
     def _get_user_groups_list(self, name_contains=None, limit=20):
         org_query = name_contains
         if not name_contains:
             return [], False
 
         # TODO(marcink): should all logged in users be allowed to search others?
         allowed_user_search = self._rhodecode_user.username != User.DEFAULT_USER
         if not allowed_user_search:
             return [], False
 
         name_contains = re.compile('(?:user_group:[ ]?)(.+)').findall(name_contains)
         if len(name_contains) != 1:
             return [], False
 
         name_contains = name_contains[0]
 
         query = UserGroup.query()\
             .order_by(func.length(UserGroup.users_group_name))\
             .order_by(UserGroup.users_group_name)
 
         if name_contains:
             ilike_expression = u'%{}%'.format(safe_unicode(name_contains))
             query = query.filter(
                 UserGroup.users_group_name.ilike(ilike_expression))
             query = query.limit(limit)
 
         acl_iter = query
 
         return [
             {
                 'id': obj.users_group_id,
                 'value': org_query,
                 'value_display': 'user_group: `{}`'.format(obj.users_group_name),
                 'type': 'user_group',
                 'url': h.route_path(
                     'user_group_profile', user_group_name=obj.users_group_name)
             }
             for obj in acl_iter], True
 
     def _get_hash_commit_list(self, auth_user, searcher, query, repo=None, repo_group=None):
         repo_name = repo_group_name = None
         if repo:
             repo_name = repo.repo_name
         if repo_group:
             repo_group_name = repo_group.group_name
 
         org_query = query
         if not query or len(query) < 3 or not searcher:
             return [], False
 
         commit_hashes = re.compile('(?:commit:[ ]?)([0-9a-f]{2,40})').findall(query)
 
         if len(commit_hashes) != 1:
             return [], False
 
         commit_hash = commit_hashes[0]
 
         result = searcher.search(
             'commit_id:{}*'.format(commit_hash), 'commit', auth_user,
             repo_name, repo_group_name, raise_on_exc=False)
 
         commits = []
         for entry in result['results']:
             repo_data = {
                 'repository_id': entry.get('repository_id'),
                 'repository_type': entry.get('repo_type'),
                 'repository_name': entry.get('repository'),
             }
 
             commit_entry = {
                 'id': entry['commit_id'],
                 'value': org_query,
                 'value_display': '`{}` commit: {}'.format(
                     entry['repository'], entry['commit_id']),
                 'type': 'commit',
                 'repo': entry['repository'],
                 'repo_data': repo_data,
 
                 'url': h.route_path(
                     'repo_commit',
                     repo_name=entry['repository'], commit_id=entry['commit_id'])
             }
 
             commits.append(commit_entry)
         return commits, True
 
     def _get_path_list(self, auth_user, searcher, query, repo=None, repo_group=None):
         repo_name = repo_group_name = None
         if repo:
             repo_name = repo.repo_name
         if repo_group:
             repo_group_name = repo_group.group_name
 
         org_query = query
         if not query or len(query) < 3 or not searcher:
             return [], False
 
         paths_re = re.compile('(?:file:[ ]?)(.+)').findall(query)
         if len(paths_re) != 1:
             return [], False
 
         file_path = paths_re[0]
 
         search_path = searcher.escape_specials(file_path)
         result = searcher.search(
             'file.raw:*{}*'.format(search_path), 'path', auth_user,
             repo_name, repo_group_name, raise_on_exc=False)
 
         files = []
         for entry in result['results']:
             repo_data = {
                 'repository_id': entry.get('repository_id'),
                 'repository_type': entry.get('repo_type'),
                 'repository_name': entry.get('repository'),
             }
 
             file_entry = {
                 'id': entry['commit_id'],
                 'value': org_query,
                 'value_display': '`{}` file: {}'.format(
                     entry['repository'], entry['file']),
                 'type': 'file',
                 'repo': entry['repository'],
                 'repo_data': repo_data,
 
                 'url': h.route_path(
                     'repo_files',
                     repo_name=entry['repository'], commit_id=entry['commit_id'],
                     f_path=entry['file'])
             }
 
             files.append(file_entry)
         return files, True
 
     @LoginRequired()
     @view_config(
         route_name='repo_list_data', request_method='GET',
         renderer='json_ext', xhr=True)
     def repo_list_data(self):
         _ = self.request.translate
         self.load_default_context()
 
         query = self.request.GET.get('query')
         repo_type = self.request.GET.get('repo_type')
         log.debug('generating repo list, query:%s, repo_type:%s',
                   query, repo_type)
 
         res = []
         repos = self._get_repo_list(query, repo_type=repo_type)
         if repos:
             res.append({
                 'text': _('Repositories'),
                 'children': repos
             })
 
         data = {
             'more': False,
             'results': res
         }
         return data
 
     @LoginRequired()
     @view_config(
         route_name='repo_group_list_data', request_method='GET',
         renderer='json_ext', xhr=True)
     def repo_group_list_data(self):
         _ = self.request.translate
         self.load_default_context()
 
         query = self.request.GET.get('query')
 
         log.debug('generating repo group list, query:%s',
                   query)
 
         res = []
         repo_groups = self._get_repo_group_list(query)
         if repo_groups:
             res.append({
                 'text': _('Repository Groups'),
                 'children': repo_groups
             })
 
         data = {
             'more': False,
             'results': res
         }
         return data
 
     def _get_default_search_queries(self, search_context, searcher, query):
         if not searcher:
             return []
 
         is_es_6 = searcher.is_es_6
 
         queries = []
         repo_group_name, repo_name, repo_context = None, None, None
 
         # repo group context
         if search_context.get('search_context[repo_group_name]'):
             repo_group_name = search_context.get('search_context[repo_group_name]')
         if search_context.get('search_context[repo_name]'):
             repo_name = search_context.get('search_context[repo_name]')
             repo_context = search_context.get('search_context[repo_view_type]')
 
         if is_es_6 and repo_name:
             # files
             def query_modifier():
                 qry = query
                 return {'q': qry, 'type': 'content'}
 
             label = u'File search for `{}`'.format(h.escape(query))
             file_qry = {
                 'id': -10,
                 'value': query,
                 'value_display': label,
                 'value_icon': '<i class="icon-code"></i>',
                 'type': 'search',
                 'subtype': 'repo',
                 'url': h.route_path('search_repo',
                                     repo_name=repo_name,
                                     _query=query_modifier())
                 }
 
             # commits
             def query_modifier():
                 qry = query
                 return {'q': qry, 'type': 'commit'}
 
             label = u'Commit search for `{}`'.format(h.escape(query))
             commit_qry = {
                 'id': -20,
                 'value': query,
                 'value_display': label,
                 'value_icon': '<i class="icon-history"></i>',
                 'type': 'search',
                 'subtype': 'repo',
                 'url': h.route_path('search_repo',
                                     repo_name=repo_name,
                                     _query=query_modifier())
                 }
 
             if repo_context in ['commit', 'commits']:
                 queries.extend([commit_qry, file_qry])
             elif repo_context in ['files', 'summary']:
                 queries.extend([file_qry, commit_qry])
             else:
                 queries.extend([commit_qry, file_qry])
 
         elif is_es_6 and repo_group_name:
             # files
             def query_modifier():
                 qry = query
                 return {'q': qry, 'type': 'content'}
 
             label = u'File search for `{}`'.format(query)
             file_qry = {
                 'id': -30,
                 'value': query,
                 'value_display': label,
                 'value_icon': '<i class="icon-code"></i>',
                 'type': 'search',
                 'subtype': 'repo_group',
                 'url': h.route_path('search_repo_group',
                                     repo_group_name=repo_group_name,
                                     _query=query_modifier())
                 }
 
             # commits
             def query_modifier():
                 qry = query
                 return {'q': qry, 'type': 'commit'}
 
             label = u'Commit search for `{}`'.format(query)
             commit_qry = {
                 'id': -40,
                 'value': query,
                 'value_display': label,
                 'value_icon': '<i class="icon-history"></i>',
                 'type': 'search',
                 'subtype': 'repo_group',
                 'url': h.route_path('search_repo_group',
                                     repo_group_name=repo_group_name,
                                     _query=query_modifier())
                 }
 
             if repo_context in ['commit', 'commits']:
                 queries.extend([commit_qry, file_qry])
             elif repo_context in ['files', 'summary']:
                 queries.extend([file_qry, commit_qry])
             else:
                 queries.extend([commit_qry, file_qry])
 
         # Global, not scoped
         if not queries:
             queries.append(
                 {
                     'id': -1,
                     'value': query,
                     'value_display': u'File search for: `{}`'.format(query),
                     'value_icon': '<i class="icon-code"></i>',
                     'type': 'search',
                     'subtype': 'global',
                     'url': h.route_path('search',
                                         _query={'q': query, 'type': 'content'})
                 })
             queries.append(
                 {
                     'id': -2,
                     'value': query,
                     'value_display': u'Commit search for: `{}`'.format(query),
                     'value_icon': '<i class="icon-history"></i>',
                     'type': 'search',
                     'subtype': 'global',
                     'url': h.route_path('search',
                                         _query={'q': query, 'type': 'commit'})
                 })
 
         return queries
 
     @LoginRequired()
     @view_config(
         route_name='goto_switcher_data', request_method='GET',
         renderer='json_ext', xhr=True)
     def goto_switcher_data(self):
         c = self.load_default_context()
 
         _ = self.request.translate
 
         query = self.request.GET.get('query')
         log.debug('generating main filter data, query %s', query)
 
         res = []
         if not query:
             return {'suggestions': res}
 
         def no_match(name):
             return {
                 'id': -1,
                 'value': "",
                 'value_display': name,
                 'type': 'text',
                 'url': ""
             }
         searcher = searcher_from_config(self.request.registry.settings)
         has_specialized_search = False
 
         # set repo context
         repo = None
         repo_id = safe_int(self.request.GET.get('search_context[repo_id]'))
         if repo_id:
             repo = Repository.get(repo_id)
 
         # set group context
         repo_group = None
         repo_group_id = safe_int(self.request.GET.get('search_context[repo_group_id]'))
         if repo_group_id:
             repo_group = RepoGroup.get(repo_group_id)
         prefix_match = False
 
         # user: type search
         if not prefix_match:
             users, prefix_match = self._get_user_list(query)
             if users:
                 has_specialized_search = True
                 for serialized_user in users:
                     res.append(serialized_user)
             elif prefix_match:
                 has_specialized_search = True
                 res.append(no_match('No matching users found'))
 
         # user_group: type search
         if not prefix_match:
             user_groups, prefix_match = self._get_user_groups_list(query)
             if user_groups:
                 has_specialized_search = True
                 for serialized_user_group in user_groups:
                     res.append(serialized_user_group)
             elif prefix_match:
                 has_specialized_search = True
                 res.append(no_match('No matching user groups found'))
 
         # FTS commit: type search
         if not prefix_match:
             commits, prefix_match = self._get_hash_commit_list(
                 c.auth_user, searcher, query, repo, repo_group)
             if commits:
                 has_specialized_search = True
                 unique_repos = collections.OrderedDict()
                 for commit in commits:
                     repo_name = commit['repo']
                     unique_repos.setdefault(repo_name, []).append(commit)
 
                 for _repo, commits in unique_repos.items():
                     for commit in commits:
                         res.append(commit)
             elif prefix_match:
                 has_specialized_search = True
                 res.append(no_match('No matching commits found'))
 
         # FTS file: type search
         if not prefix_match:
             paths, prefix_match = self._get_path_list(
                 c.auth_user, searcher, query, repo, repo_group)
             if paths:
                 has_specialized_search = True
                 unique_repos = collections.OrderedDict()
                 for path in paths:
                     repo_name = path['repo']
                     unique_repos.setdefault(repo_name, []).append(path)
 
                 for repo, paths in unique_repos.items():
                     for path in paths:
                         res.append(path)
             elif prefix_match:
                 has_specialized_search = True
                 res.append(no_match('No matching files found'))
 
         # main suggestions
         if not has_specialized_search:
             repo_group_name = ''
             if repo_group:
                 repo_group_name = repo_group.group_name
 
             for _q in self._get_default_search_queries(self.request.GET, searcher, query):
                 res.append(_q)
 
             repo_groups = self._get_repo_group_list(query, repo_group_name=repo_group_name)
             for serialized_repo_group in repo_groups:
                 res.append(serialized_repo_group)
 
             repos = self._get_repo_list(query, repo_group_name=repo_group_name)
             for serialized_repo in repos:
                 res.append(serialized_repo)
 
             if not repos and not repo_groups:
                 res.append(no_match('No matches found'))
 
         return {'suggestions': res}
 
     @LoginRequired()
     @view_config(
         route_name='home', request_method='GET',
         renderer='rhodecode:templates/index.mako')
     def main_page(self):
         c = self.load_default_context()
         c.repo_group = None
         return self._get_template_context(c)
 
     def _main_page_repo_groups_data(self, repo_group_id):
         column_map = {
             'name': 'group_name_hash',
             'desc': 'group_description',
             'last_change': 'updated_on',
             'owner': 'user_username',
         }
         draw, start, limit = self._extract_chunk(self.request)
         search_q, order_by, order_dir = self._extract_ordering(
             self.request, column_map=column_map)
         return RepoGroupModel().get_repo_groups_data_table(
             draw, start, limit,
             search_q, order_by, order_dir,
             self._rhodecode_user, repo_group_id)
 
     def _main_page_repos_data(self, repo_group_id):
         column_map = {
             'name': 'repo_name',
             'desc': 'description',
             'last_change': 'updated_on',
             'owner': 'user_username',
         }
         draw, start, limit = self._extract_chunk(self.request)
         search_q, order_by, order_dir = self._extract_ordering(
             self.request, column_map=column_map)
         return RepoModel().get_repos_data_table(
             draw, start, limit,
             search_q, order_by, order_dir,
             self._rhodecode_user, repo_group_id)
 
     @LoginRequired()
     @view_config(
         route_name='main_page_repo_groups_data',
         request_method='GET', renderer='json_ext', xhr=True)
     def main_page_repo_groups_data(self):
         self.load_default_context()
         repo_group_id = safe_int(self.request.GET.get('repo_group_id'))
 
         if repo_group_id:
             group = RepoGroup.get_or_404(repo_group_id)
             _perms = AuthUser.repo_group_read_perms
             if not HasRepoGroupPermissionAny(*_perms)(
                     group.group_name, 'user is allowed to list repo group children'):
                 raise HTTPNotFound()
 
         return self._main_page_repo_groups_data(repo_group_id)
 
     @LoginRequired()
     @view_config(
         route_name='main_page_repos_data',
         request_method='GET', renderer='json_ext', xhr=True)
     def main_page_repos_data(self):
         self.load_default_context()
         repo_group_id = safe_int(self.request.GET.get('repo_group_id'))
 
         if repo_group_id:
             group = RepoGroup.get_or_404(repo_group_id)
             _perms = AuthUser.repo_group_read_perms
             if not HasRepoGroupPermissionAny(*_perms)(
                     group.group_name, 'user is allowed to list repo group children'):
                 raise HTTPNotFound()
 
         return self._main_page_repos_data(repo_group_id)
 
     @LoginRequired()
     @HasRepoGroupPermissionAnyDecorator(*AuthUser.repo_group_read_perms)
     @view_config(
         route_name='repo_group_home', request_method='GET',
         renderer='rhodecode:templates/index_repo_group.mako')
     @view_config(
         route_name='repo_group_home_slash', request_method='GET',
         renderer='rhodecode:templates/index_repo_group.mako')
     def repo_group_main_page(self):
         c = self.load_default_context()
         c.repo_group = self.request.db_repo_group
         return self._get_template_context(c)
 
     @LoginRequired()
     @CSRFRequired()
     @view_config(
         route_name='markup_preview', request_method='POST',
         renderer='string', xhr=True)
     def markup_preview(self):
         # Technically a CSRF token is not needed as no state changes with this
         # call. However, as this is a POST is better to have it, so automated
         # tools don't flag it as potential CSRF.
         # Post is required because the payload could be bigger than the maximum
         # allowed by GET.
 
         text = self.request.POST.get('text')
         renderer = self.request.POST.get('renderer') or 'rst'
         if text:
             return h.render(text, renderer=renderer, mentions=True)
         return ''
 
     @LoginRequired()
     @CSRFRequired()
     @view_config(
         route_name='file_preview', request_method='POST',
         renderer='string', xhr=True)
     def file_preview(self):
         # Technically a CSRF token is not needed as no state changes with this
         # call. However, as this is a POST is better to have it, so automated
         # tools don't flag it as potential CSRF.
         # Post is required because the payload could be bigger than the maximum
         # allowed by GET.
 
         text = self.request.POST.get('text')
         file_path = self.request.POST.get('file_path')
 
         renderer = h.renderer_from_filename(file_path)
 
         if renderer:
             return h.render(text, renderer=renderer, mentions=True)
         else:
             self.load_default_context()
             _render = self.request.get_partial_renderer(
                 'rhodecode:templates/files/file_content.mako')
 
             lines = filenode_as_lines_tokens(FileNode(file_path, text))
 
             return _render('render_lines', lines)
 
     @LoginRequired()
     @CSRFRequired()
     @view_config(
         route_name='store_user_session_value', request_method='POST',
         renderer='string', xhr=True)
     def store_user_session_attr(self):
         key = self.request.POST.get('key')
         val = self.request.POST.get('val')
 
         existing_value = self.request.session.get(key)
         if existing_value != val:
             self.request.session[key] = val
 
         return 'stored:{}:{}'.format(key, val)