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# -*- coding: utf-8 -*-
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# Copyright 2010 - 2017 RhodeCode GmbH and the AppEnlight project authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import datetime
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import logging
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from elasticsearch import Elasticsearch
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import redis
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import os
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import pkg_resources
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from pkg_resources import iter_entry_points
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import appenlight.lib.jinja2_filters as jinja2_filters
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import appenlight.lib.encryption as encryption
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from pyramid.config import PHASE3_CONFIG
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from pyramid.authentication import AuthTktAuthenticationPolicy
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from pyramid.authorization import ACLAuthorizationPolicy
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from pyramid_mailer.interfaces import IMailer
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from pyramid.renderers import JSON
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from pyramid_redis_sessions import session_factory_from_settings
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from pyramid.settings import asbool, aslist
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from pyramid.security import AllPermissionsList
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from pyramid_authstack import AuthenticationStackPolicy
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from redlock import Redlock
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from sqlalchemy import engine_from_config
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from appenlight.celery import configure_celery
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from appenlight.lib.configurator import (
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CythonCompatConfigurator,
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register_appenlight_plugin,
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)
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from appenlight.lib import cache_regions
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from appenlight.lib.ext_json import json
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from appenlight.security import groupfinder, AuthTokenAuthenticationPolicy
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__license__ = "Apache 2.0"
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__author__ = "RhodeCode GmbH"
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__url__ = "http://rhodecode.com"
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__version__ = pkg_resources.get_distribution("appenlight").parsed_version
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json_renderer = JSON(serializer=json.dumps, indent=4)
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log = logging.getLogger(__name__)
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def datetime_adapter(obj, request):
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return obj.isoformat()
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def all_permissions_adapter(obj, request):
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return "__all_permissions__"
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json_renderer.add_adapter(datetime.datetime, datetime_adapter)
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json_renderer.add_adapter(AllPermissionsList, all_permissions_adapter)
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def main(global_config, **settings):
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""" This function returns a Pyramid WSGI application.
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"""
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auth_tkt_policy = AuthTktAuthenticationPolicy(
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settings["authtkt.secret"],
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hashalg="sha512",
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callback=groupfinder,
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max_age=2592000,
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secure=asbool(settings.get("authtkt.secure", "false")),
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)
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auth_token_policy = AuthTokenAuthenticationPolicy(callback=groupfinder)
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authorization_policy = ACLAuthorizationPolicy()
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authentication_policy = AuthenticationStackPolicy()
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authentication_policy.add_policy("auth_tkt", auth_tkt_policy)
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authentication_policy.add_policy("auth_token", auth_token_policy)
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# set crypto key
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encryption.ENCRYPTION_SECRET = settings.get("encryption_secret")
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# import this later so encyption key can be monkeypatched
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from appenlight.models import DBSession, register_datastores
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# registration
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settings["appenlight.disable_registration"] = asbool(
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settings.get("appenlight.disable_registration")
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)
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# update config with cometd info
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settings["cometd_servers"] = {
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"server": settings["cometd.server"],
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"secret": settings["cometd.secret"],
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}
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# Create the Pyramid Configurator.
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settings["_mail_url"] = settings["mailing.app_url"]
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config = CythonCompatConfigurator(
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settings=settings,
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authentication_policy=authentication_policy,
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authorization_policy=authorization_policy,
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root_factory="appenlight.security.RootFactory",
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default_permission="view",
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)
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# custom registry variables
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# resource type information
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config.registry.resource_types = ["resource", "application"]
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# plugin information
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config.registry.appenlight_plugins = {}
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config.set_default_csrf_options(require_csrf=True, header="X-XSRF-TOKEN")
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config.add_view_deriver("appenlight.predicates.csrf_view", name="csrf_view")
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# later, when config is available
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dogpile_config = {
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"url": settings["redis.url"],
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"redis_expiration_time": 86400,
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"redis_distributed_lock": True,
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}
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cache_regions.regions = cache_regions.CacheRegions(dogpile_config)
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config.registry.cache_regions = cache_regions.regions
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engine = engine_from_config(settings, "sqlalchemy.", json_serializer=json.dumps)
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DBSession.configure(bind=engine)
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# json rederer that serializes datetime
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config.add_renderer("json", json_renderer)
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config.add_request_method(
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"appenlight.lib.request.es_conn", "es_conn", property=True
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)
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config.add_request_method(
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"appenlight.lib.request.get_user", "user", reify=True, property=True
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)
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config.add_request_method(
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"appenlight.lib.request.get_csrf_token", "csrf_token", reify=True, property=True
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)
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config.add_request_method(
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"appenlight.lib.request.safe_json_body",
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"safe_json_body",
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reify=True,
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property=True,
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)
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config.add_request_method(
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"appenlight.lib.request.unsafe_json_body",
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"unsafe_json_body",
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reify=True,
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property=True,
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)
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config.add_request_method(
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"appenlight.lib.request.add_flash_to_headers", "add_flash_to_headers"
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)
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config.add_request_method(
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"appenlight.lib.request.get_authomatic", "authomatic", reify=True
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)
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config.include("pyramid_redis_sessions")
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config.include("pyramid_tm")
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config.include("pyramid_jinja2")
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config.include("pyramid_mailer")
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config.include("appenlight_client.ext.pyramid_tween")
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config.include("ziggurat_foundations.ext.pyramid.sign_in")
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es_server_list = aslist(settings["elasticsearch.nodes"])
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redis_url = settings["redis.url"]
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log.warning("Elasticsearch server list: {}".format(es_server_list))
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log.warning("Redis server: {}".format(redis_url))
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config.registry.es_conn = Elasticsearch(es_server_list)
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config.registry.redis_conn = redis.StrictRedis.from_url(redis_url)
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config.registry.redis_lockmgr = Redlock(
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[settings["redis.redlock.url"]], retry_count=0, retry_delay=0
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)
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# mailer bw compat
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config.registry.mailer = config.registry.getUtility(IMailer)
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# Configure sessions
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session_factory = session_factory_from_settings(settings)
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config.set_session_factory(session_factory)
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# Configure renderers and event subscribers
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config.add_jinja2_extension("jinja2.ext.loopcontrols")
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config.add_jinja2_search_path("appenlight:templates")
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# event subscribers
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config.add_subscriber(
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"appenlight.subscribers.application_created",
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"pyramid.events.ApplicationCreated",
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)
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config.add_subscriber(
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"appenlight.subscribers.add_renderer_globals", "pyramid.events.BeforeRender"
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)
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config.add_subscriber(
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"appenlight.subscribers.new_request", "pyramid.events.NewRequest"
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)
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config.add_view_predicate(
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"context_type_class", "appenlight.predicates.contextTypeClass"
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)
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register_datastores(
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es_conn=config.registry.es_conn,
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redis_conn=config.registry.redis_conn,
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redis_lockmgr=config.registry.redis_lockmgr,
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)
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# base stuff and scan
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# need to ensure webassets exists otherwise config.override_asset()
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# throws exception
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if not os.path.exists(settings["webassets.dir"]):
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os.mkdir(settings["webassets.dir"])
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config.add_static_view(
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path="appenlight:webassets", name="static", cache_max_age=3600
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)
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config.override_asset(
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to_override="appenlight:webassets/", override_with=settings["webassets.dir"]
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)
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config.include("appenlight.views")
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config.include("appenlight.views.admin")
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config.scan(
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ignore=["appenlight.migrations", "appenlight.scripts", "appenlight.tests"]
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)
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config.add_directive("register_appenlight_plugin", register_appenlight_plugin)
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for entry_point in iter_entry_points(group="appenlight.plugins"):
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plugin = entry_point.load()
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plugin.includeme(config)
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# include other appenlight plugins explictly if needed
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includes = aslist(settings.get("appenlight.includes", []))
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for inc in includes:
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config.include(inc)
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# run this after everything registers in configurator
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def pre_commit():
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jinja_env = config.get_jinja2_environment()
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jinja_env.filters["tojson"] = json.dumps
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jinja_env.filters["toJSONUnsafe"] = jinja2_filters.toJSONUnsafe
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config.action(None, pre_commit, order=PHASE3_CONFIG + 999)
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def wrap_config_celery():
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configure_celery(config.registry)
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config.action(None, wrap_config_celery, order=PHASE3_CONFIG + 999)
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app = config.make_wsgi_app()
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return app
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