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main.py
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main.py
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# Copyright 2014 The Oppia Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""URL routing definitions, and some basic error/warmup handlers."""
from __future__ import annotations
import logging
from core import android_validation_constants
from core import feconf
from core.constants import constants
from core.controllers import access_validators
from core.controllers import acl_decorators
from core.controllers import admin
from core.controllers import android_e2e_config
from core.controllers import base
from core.controllers import beam_jobs
from core.controllers import blog_admin
from core.controllers import blog_dashboard
from core.controllers import blog_homepage
from core.controllers import classifier
from core.controllers import classroom
from core.controllers import collection_editor
from core.controllers import collection_viewer
from core.controllers import concept_card_viewer
from core.controllers import contributor_dashboard
from core.controllers import contributor_dashboard_admin
from core.controllers import creator_dashboard
from core.controllers import cron
from core.controllers import custom_landing_pages
from core.controllers import diagnostic_test_player
from core.controllers import editor
from core.controllers import email_dashboard
from core.controllers import features
from core.controllers import feedback
from core.controllers import improvements
from core.controllers import incoming_app_feedback_report
from core.controllers import learner_dashboard
from core.controllers import learner_goals
from core.controllers import learner_group
from core.controllers import learner_playlist
from core.controllers import library
from core.controllers import moderator
from core.controllers import oppia_root
from core.controllers import pages
from core.controllers import platform_feature
from core.controllers import practice_sessions
from core.controllers import profile
from core.controllers import question_editor
from core.controllers import questions_list
from core.controllers import reader
from core.controllers import recent_commits
from core.controllers import release_coordinator
from core.controllers import resources
from core.controllers import review_tests
from core.controllers import skill_editor
from core.controllers import skill_mastery
from core.controllers import story_editor
from core.controllers import story_viewer
from core.controllers import subscriptions
from core.controllers import subtopic_viewer
from core.controllers import suggestion
from core.controllers import tasks
from core.controllers import topic_editor
from core.controllers import topic_viewer
from core.controllers import topics_and_skills_dashboard
from core.controllers import voice_artist
from core.platform import models
from core.platform.auth import firebase_auth_services
import google.cloud.logging
from typing import Any, Dict, Optional, Type, TypeVar
import webapp2
from webapp2_extras import routes
MYPY = False
if MYPY: # pragma: no cover
from mypy_imports import datastore_services
from mypy_imports import memory_cache_services as cache_services
T = TypeVar('T') # pylint: disable=invalid-name
cache_services = models.Registry.import_cache_services()
datastore_services = models.Registry.import_datastore_services()
# Cloud Logging is disabled in emulator mode, since it is unnecessary and
# creates a lot of noise.
if not constants.EMULATOR_MODE:
# Instantiates a client and rtrieves a Cloud Logging handler based on the
# environment you're running in and integrates the handler with the Python
# logging module.
client = google.cloud.logging.Client()
client.setup_logging()
# Suppress debug logging for chardet. See https://stackoverflow.com/a/48581323.
# Without this, a lot of unnecessary debug logs are printed in error logs,
# which makes it tiresome to identify the actual error.
logging.getLogger(name='chardet.charsetprober').setLevel(logging.INFO)
class InternetConnectivityHandler(
base.BaseHandler[Dict[str, str], Dict[str, str]]
):
"""Handles the get request to the server from the
frontend to check for internet connection."""
GET_HANDLER_ERROR_RETURN_TYPE = feconf.HANDLER_TYPE_JSON
# Here we use type Any because this class inherits this attribute
# from core.controllers.base.BaseModel.
URL_PATH_ARGS_SCHEMAS: Dict[str, Any] = {}
# Here we use type Any because this class inherits this attribute
# from core.controllers.base.BaseModel.
HANDLER_ARGS_SCHEMAS: Dict[str, Any] = {'GET': {}}
@acl_decorators.open_access
def get(self) -> None:
"""Handles GET requests."""
self.render_json({'is_internet_connected': True})
class FrontendErrorHandler(
base.BaseHandler[Dict[str, str], Dict[str, str]]
):
"""Handles errors arising from the frontend."""
REQUIRE_PAYLOAD_CSRF_CHECK = False
@acl_decorators.open_access
def post(self) -> None:
"""Records errors reported by the frontend."""
logging.error('Frontend error: %s' % self.payload.get('error'))
self.render_json(self.values)
class WarmupPage(
base.BaseHandler[Dict[str, str], Dict[str, str]]
):
"""Handles warmup requests."""
GET_HANDLER_ERROR_RETURN_TYPE = feconf.HANDLER_TYPE_HTML
URL_PATH_ARGS_SCHEMAS: Dict[str, str] = {}
HANDLER_ARGS_SCHEMAS: Dict[str, Dict[str, str]] = {'GET': {}}
@acl_decorators.open_access
def get(self) -> None:
"""Handles GET warmup requests."""
pass
class SplashRedirectPage(
base.BaseHandler[Dict[str, str], Dict[str, str]]
):
"""Redirect the old splash URL, '/splash' to the new one, '/'."""
GET_HANDLER_ERROR_RETURN_TYPE = feconf.HANDLER_TYPE_HTML
URL_PATH_ARGS_SCHEMAS: Dict[str, str] = {}
HANDLER_ARGS_SCHEMAS: Dict[str, Dict[str, str]] = {'GET': {}}
@acl_decorators.open_access
def get(self) -> None:
self.redirect('/')
# Type for `defaults` is set to Dict[str, str] based on the usage in our
# backend. Should be changed in future as per the requirements.
def get_redirect_route(
regex_route: str,
handler: Type[webapp2.RequestHandler],
defaults: Optional[Dict[str, str]] = None
) -> routes.RedirectRoute:
"""Returns a route that redirects /foo/ to /foo.
Warning: this method strips off parameters after the trailing slash. URLs
with parameters should be formulated without the trailing slash.
Args:
regex_route: unicode. A raw string representing a route.
handler: RequestHandler. A callable to handle the route.
defaults: dict. Optional defaults parameter to be passed
into the RedirectRoute object.
Returns:
RedirectRoute. A RedirectRoute object for redirects.
"""
if defaults is None:
defaults = {}
name = regex_route.replace('/', '_')
return routes.RedirectRoute(
regex_route, handler, name, strict_slash=True, defaults=defaults)
# Register the URLs with the classes responsible for handling them.
URLS = [
get_redirect_route(r'/_ah/warmup', WarmupPage),
get_redirect_route(r'/splash', SplashRedirectPage),
get_redirect_route(
r'/internetconnectivityhandler', InternetConnectivityHandler),
get_redirect_route(r'/foundation', pages.FoundationRedirectPage),
get_redirect_route(r'/credits', pages.AboutRedirectPage),
get_redirect_route(r'/participate', pages.TeachRedirectPage),
get_redirect_route(r'/site_guidelines', pages.TeachRedirectPage),
get_redirect_route(r'/console_errors', pages.ConsoleErrorPage),
get_redirect_route(r'/forum', pages.ForumRedirectPage),
# Access Validators.
get_redirect_route(
r'%s/can_access_classroom_page' %
feconf.ACCESS_VALIDATION_HANDLER_PREFIX,
access_validators.ClassroomAccessValidationHandler),
get_redirect_route(
r'%s/can_access_blog_home_page' %
feconf.ACCESS_VALIDATION_HANDLER_PREFIX,
access_validators.BlogHomePageAccessValidationHandler),
get_redirect_route(
r'%s/can_access_blog_post_page' %
feconf.ACCESS_VALIDATION_HANDLER_PREFIX,
access_validators.BlogPostPageAccessValidationHandler),
get_redirect_route(
r'%s/can_access_blog_author_profile_page/<author_username>' %
feconf.ACCESS_VALIDATION_HANDLER_PREFIX,
access_validators.BlogAuthorProfilePageAccessValidationHandler),
get_redirect_route(
r'%s/can_manage_own_account' % feconf.ACCESS_VALIDATION_HANDLER_PREFIX,
access_validators.ManageOwnAccountValidationHandler),
get_redirect_route(
r'%s/does_profile_exist/<username>' %
feconf.ACCESS_VALIDATION_HANDLER_PREFIX,
access_validators.ProfileExistsValidationHandler),
get_redirect_route(
r'%s/can_access_release_coordinator_page' %
feconf.ACCESS_VALIDATION_HANDLER_PREFIX,
access_validators.ReleaseCoordinatorAccessValidationHandler
),
get_redirect_route(
r'%s/does_learner_group_exist/<learner_group_id>' %
feconf.ACCESS_VALIDATION_HANDLER_PREFIX,
access_validators.ViewLearnerGroupPageAccessValidationHandler),
get_redirect_route(r'%s' % feconf.ADMIN_URL, admin.AdminPage),
get_redirect_route(r'/adminhandler', admin.AdminHandler),
get_redirect_route(r'/adminrolehandler', admin.AdminRoleHandler),
get_redirect_route(r'/bannedusershandler', admin.BannedUsersHandler),
get_redirect_route(
r'/topicmanagerrolehandler', admin.TopicManagerRoleHandler),
get_redirect_route(
r'/adminsuperadminhandler', admin.AdminSuperAdminPrivilegesHandler),
get_redirect_route(
r'/admintopicscsvdownloadhandler',
admin.AdminTopicsCsvFileDownloader),
get_redirect_route(
r'/updateblogpostdatahandler', admin.UpdateBlogPostHandler),
get_redirect_route(
r'/contributionrightshandler/<category>',
contributor_dashboard_admin.ContributionRightsHandler),
get_redirect_route(
r'/getcontributorusershandler/<category>',
contributor_dashboard_admin.ContributorUsersListHandler),
get_redirect_route(
r'/contributionrightsdatahandler',
contributor_dashboard_admin.ContributionRightsDataHandler),
get_redirect_route(
r'%s' % feconf.CONTRIBUTOR_DASHBOARD_ADMIN_URL,
contributor_dashboard_admin.ContributorDashboardAdminPage),
get_redirect_route(
r'/translationcontributionstatshandler',
contributor_dashboard_admin.TranslationContributionStatsHandler),
get_redirect_route(
r'%s' % feconf.CONTRIBUTOR_DASHBOARD_URL,
contributor_dashboard.ContributorDashboardPage),
get_redirect_route(
r'%s/<contribution_type>/<contribution_subtype>/<username>' % (
feconf.CONTRIBUTOR_STATS_SUMMARIES_URL),
contributor_dashboard.ContributorStatsSummariesHandler),
get_redirect_route(
r'%s/<username>' % feconf.CONTRIBUTOR_ALL_STATS_SUMMARIES_URL,
contributor_dashboard.ContributorAllStatsSummariesHandler),
get_redirect_route(
'/contributor_dashboard',
creator_dashboard.OldContributorDashboardRedirectPage),
get_redirect_route(
'/creator_dashboard',
creator_dashboard.OldCreatorDashboardRedirectPage),
get_redirect_route(
r'%s' % feconf.CREATOR_DASHBOARD_URL,
creator_dashboard.CreatorDashboardPage),
get_redirect_route(
r'%s' % feconf.CREATOR_DASHBOARD_DATA_URL,
creator_dashboard.CreatorDashboardHandler),
get_redirect_route(
r'%s' % feconf.NEW_EXPLORATION_URL,
creator_dashboard.NewExplorationHandler),
get_redirect_route(
r'%s' % feconf.NEW_COLLECTION_URL,
creator_dashboard.NewCollectionHandler),
get_redirect_route(
r'%s' % feconf.FRACTIONS_LANDING_PAGE_URL,
custom_landing_pages.FractionLandingRedirectPage),
get_redirect_route(
r'/learn/maths/<topic>', custom_landing_pages.TopicLandingRedirectPage),
get_redirect_route(
r'%s/<opportunity_type>' % feconf.CONTRIBUTOR_OPPORTUNITIES_DATA_URL,
contributor_dashboard.ContributionOpportunitiesHandler),
get_redirect_route(
r'/preferredtranslationlanguage',
contributor_dashboard.TranslationPreferenceHandler),
get_redirect_route(
r'%s' % feconf.REVIEWABLE_OPPORTUNITIES_URL,
contributor_dashboard.ReviewableOpportunitiesHandler),
get_redirect_route(
r'/gettranslatabletexthandler',
contributor_dashboard.TranslatableTextHandler),
get_redirect_route(
r'%s' % feconf.MACHINE_TRANSLATION_DATA_URL,
contributor_dashboard.MachineTranslationStateTextsHandler),
get_redirect_route(
r'/usercontributionrightsdatahandler',
contributor_dashboard.UserContributionRightsDataHandler),
get_redirect_route(
r'/retrivefeaturedtranslationlanguages',
contributor_dashboard.FeaturedTranslationLanguagesHandler),
get_redirect_route(
r'/gettranslatabletopicnames',
contributor_dashboard.TranslatableTopicNamesHandler),
get_redirect_route(
r'%s' % feconf.NEW_SKILL_URL,
topics_and_skills_dashboard.NewSkillHandler),
get_redirect_route(
r'%s' % feconf.NEW_QUESTION_URL,
question_editor.QuestionCreationHandler),
get_redirect_route(
r'%s/<comma_separated_skill_ids>' % feconf.QUESTIONS_LIST_URL_PREFIX,
questions_list.QuestionsListHandler),
get_redirect_route(
r'%s/<comma_separated_skill_ids>' % feconf.QUESTION_COUNT_URL_PREFIX,
questions_list.QuestionCountDataHandler),
get_redirect_route(
r'%s/practice/session' % feconf.TOPIC_VIEWER_URL_PREFIX,
practice_sessions.PracticeSessionsPage),
get_redirect_route(
r'%s/<classroom_url_fragment>/<topic_url_fragment>' %
feconf.PRACTICE_SESSION_DATA_URL_PREFIX,
practice_sessions.PracticeSessionsPageDataHandler),
get_redirect_route(
r'%s/<classroom_url_fragment>/<topic_url_fragment>'
r'/<story_url_fragment>' % feconf.REVIEW_TEST_DATA_URL_PREFIX,
review_tests.ReviewTestsPageDataHandler),
get_redirect_route(
r'%s/review-test/<story_url_fragment>'
% feconf.TOPIC_VIEWER_URL_PREFIX,
review_tests.ReviewTestsPage),
get_redirect_route(
r'%s/<classroom_url_fragment>/<topic_url_fragment>'
r'/<story_url_fragment>' % feconf.STORY_DATA_HANDLER,
story_viewer.StoryPageDataHandler),
get_redirect_route(
r'%s/<story_url_fragment>' % feconf.STORY_URL_FRAGMENT_HANDLER,
story_editor.StoryUrlFragmentHandler),
get_redirect_route(
r'%s/<topic_name>' % feconf.TOPIC_NAME_HANDLER,
topic_editor.TopicNameHandler),
get_redirect_route(
r'%s/<topic_url_fragment>' % feconf.TOPIC_URL_FRAGMENT_HANDLER,
topic_editor.TopicUrlFragmentHandler),
get_redirect_route(
r'%s/<skill_description>' % feconf.SKILL_DESCRIPTION_HANDLER,
skill_editor.SkillDescriptionHandler),
get_redirect_route(
r'%s/<skill_id>' % feconf.DIAGNOSTIC_TEST_SKILL_ASSIGNMENT_HANDLER,
skill_editor.DiagnosticTestSkillAssignmentHandler),
get_redirect_route(
r'%s/' %
feconf.TOPIC_ID_TO_DIAGNOSTIC_TEST_SKILL_IDS_HANDLER,
topics_and_skills_dashboard.TopicIdToDiagnosticTestSkillIdsHandler),
get_redirect_route(
r'%s/story' % feconf.TOPIC_VIEWER_URL_PREFIX,
topic_viewer.TopicViewerPage),
get_redirect_route(
r'%s' % feconf.DIAGNOSTIC_TEST_PLAYER_PAGE_URL,
diagnostic_test_player.DiagnosticTestPlayerPage
),
get_redirect_route(
r'%s/<topic_id>' % feconf.DIAGNOSTIC_TEST_QUESTIONS_HANDLER_URL,
diagnostic_test_player.DiagnosticTestQuestionsHandler
),
get_redirect_route(
r'%s' % feconf.CLASSROOM_ADMIN_PAGE_URL,
classroom.ClassroomAdminPage),
get_redirect_route(
r'%s' % feconf.CLASSROOM_ADMIN_DATA_HANDLER_URL,
classroom.ClassroomAdminDataHandler),
get_redirect_route(
r'%s' % feconf.CLASSROOM_ID_HANDLER_URL,
classroom.NewClassroomIdHandler),
get_redirect_route(
r'%s/<classroom_id>' % feconf.CLASSROOM_HANDLER_URL,
classroom.ClassroomHandler),
get_redirect_route(
r'%s/<classroom_url_fragment>' % feconf.CLASSROOM_URL_FRAGMENT_HANDLER,
classroom.ClassroomUrlFragmentHandler),
get_redirect_route(
r'%s/<classroom_url_fragment>/<topic_url_fragment>'
r'/<story_url_fragment>/<node_id>' % feconf.STORY_PROGRESS_URL_PREFIX,
story_viewer.StoryProgressHandler),
get_redirect_route(
r'%s/<classroom_url_fragment>/<topic_url_fragment>'
r'/<subtopic_url_fragment>' % feconf.SUBTOPIC_DATA_HANDLER,
subtopic_viewer.SubtopicPageDataHandler),
get_redirect_route(
r'%s/revision' % feconf.TOPIC_VIEWER_URL_PREFIX,
topic_viewer.TopicViewerPage),
get_redirect_route(
r'%s/revision/<subtopic_url_fragment>' %
feconf.TOPIC_VIEWER_URL_PREFIX, subtopic_viewer.SubtopicViewerPage),
get_redirect_route(
r'%s/<topic_id>' % feconf.TOPIC_EDITOR_STORY_URL,
topic_editor.TopicEditorStoryHandler),
get_redirect_route(
r'%s' % feconf.TOPIC_VIEWER_URL_PREFIX,
topic_viewer.TopicViewerPage),
get_redirect_route(
r'%s/practice' % feconf.TOPIC_VIEWER_URL_PREFIX,
topic_viewer.TopicViewerPage),
get_redirect_route(
r'%s/<classroom_url_fragment>/<topic_url_fragment>'
% feconf.TOPIC_DATA_HANDLER,
topic_viewer.TopicPageDataHandler),
get_redirect_route(
r'%s/<classroom_url_fragment>' % feconf.CLASSROOM_DATA_HANDLER,
classroom.ClassroomDataHandler),
get_redirect_route(
r'%s' % feconf.NEW_TOPIC_URL,
topics_and_skills_dashboard.NewTopicHandler),
get_redirect_route(
r'%s' % feconf.UPLOAD_EXPLORATION_URL,
creator_dashboard.UploadExplorationHandler),
get_redirect_route(
'/learner_dashboard',
learner_dashboard.OldLearnerDashboardRedirectPage),
get_redirect_route(
r'%s' % feconf.LEARNER_DASHBOARD_URL,
learner_dashboard.LearnerDashboardPage),
get_redirect_route(
r'%s' % feconf.LEARNER_DASHBOARD_TOPIC_AND_STORY_DATA_URL,
learner_dashboard.LearnerDashboardTopicsAndStoriesProgressHandler),
get_redirect_route(
r'%s' % feconf.LEARNER_COMPLETED_CHAPTERS_COUNT_DATA_URL,
learner_dashboard.LearnerCompletedChaptersCountHandler),
get_redirect_route(
r'%s' % feconf.LEARNER_DASHBOARD_COLLECTION_DATA_URL,
learner_dashboard.LearnerDashboardCollectionsProgressHandler),
get_redirect_route(
r'%s' % feconf.LEARNER_DASHBOARD_EXPLORATION_DATA_URL,
learner_dashboard.LearnerDashboardExplorationsProgressHandler),
get_redirect_route(
r'%s' % feconf.LEARNER_DASHBOARD_FEEDBACK_UPDATES_DATA_URL,
learner_dashboard.LearnerDashboardFeedbackUpdatesHandler),
get_redirect_route(
r'%s' % feconf.LEARNER_DASHBOARD_IDS_DATA_URL,
learner_dashboard.LearnerDashboardIdsHandler),
get_redirect_route(
r'%s/<thread_id>' %
feconf.LEARNER_DASHBOARD_FEEDBACK_THREAD_DATA_URL,
learner_dashboard.LearnerDashboardFeedbackThreadHandler),
get_redirect_route(
r'%s' % feconf.TOPICS_AND_SKILLS_DASHBOARD_URL,
topics_and_skills_dashboard.TopicsAndSkillsDashboardPage),
get_redirect_route(
r'%s' % feconf.MERGE_SKILLS_URL,
topics_and_skills_dashboard.MergeSkillHandler),
get_redirect_route(
r'%s' % feconf.TOPICS_AND_SKILLS_DASHBOARD_DATA_URL,
topics_and_skills_dashboard.TopicsAndSkillsDashboardPageDataHandler),
get_redirect_route(
r'%s/<skill_id>' % feconf.UNASSIGN_SKILL_DATA_HANDLER_URL,
topics_and_skills_dashboard.TopicAssignmentsHandler),
get_redirect_route(
r'%s' % feconf.SKILL_DASHBOARD_DATA_URL,
topics_and_skills_dashboard.SkillsDashboardPageDataHandler),
get_redirect_route(
r'%s/<activity_type>/<activity_id>' %
feconf.LEARNER_INCOMPLETE_ACTIVITY_DATA_URL,
reader.LearnerIncompleteActivityHandler),
get_redirect_route(
r'%s/<activity_type>/<topic_id>' % feconf.LEARNER_GOALS_DATA_URL,
learner_goals.LearnerGoalsHandler),
get_redirect_route(
r'%s/<activity_type>/<activity_id>' % feconf.LEARNER_PLAYLIST_DATA_URL,
learner_playlist.LearnerPlaylistHandler),
get_redirect_route(
r'%s/<blog_post_url>' % feconf.BLOG_HOMEPAGE_DATA_URL,
blog_homepage.BlogPostDataHandler),
get_redirect_route(
r'%s/<author_username>' %
feconf.BLOG_AUTHOR_PROFILE_PAGE_DATA_URL_PREFIX,
blog_homepage.AuthorsPageHandler),
get_redirect_route(
r'%s' % feconf.BLOG_HOMEPAGE_DATA_URL,
blog_homepage.BlogHomepageDataHandler),
get_redirect_route(
r'%s' % feconf.BLOG_SEARCH_DATA_URL,
blog_homepage.BlogPostSearchHandler),
get_redirect_route(
r'/assetsdevhandler/<page_context>/<page_identifier>/'
'assets/<asset_type:(image|audio|thumbnail)>/<encoded_filename>',
resources.AssetDevHandler),
get_redirect_route(
r'/value_generator_handler/<generator_id>',
resources.ValueGeneratorHandler),
get_redirect_route(r'/promo_bar_handler', resources.PromoBarHandler),
get_redirect_route('/library', library.OldLibraryRedirectPage),
get_redirect_route(
r'%s' % feconf.LIBRARY_INDEX_DATA_URL, library.LibraryIndexHandler),
get_redirect_route(
r'%s' % feconf.LIBRARY_GROUP_DATA_URL,
library.LibraryGroupIndexHandler),
get_redirect_route(
r'%s' % feconf.LIBRARY_SEARCH_DATA_URL, library.SearchHandler),
get_redirect_route(r'/gallery', library.LibraryRedirectPage),
get_redirect_route(r'/contribute', library.LibraryRedirectPage),
get_redirect_route(r'/learn', classroom.DefaultClassroomRedirectPage),
get_redirect_route(r'/playtest', library.LibraryRedirectPage),
get_redirect_route(
feconf.EXPLORATION_SUMMARIES_DATA_URL,
library.ExplorationSummariesHandler),
get_redirect_route(
feconf.COLLECTION_SUMMARIES_DATA_URL,
library.CollectionSummariesHandler),
get_redirect_route(
r'/profilehandler/data/<username>', profile.ProfileHandler),
get_redirect_route(
r'/androidlistsubscriptionhandler',
profile.AndroidListSubscriptionHandler),
get_redirect_route(
r'%s/<secret>' % feconf.BULK_EMAIL_WEBHOOK_ENDPOINT,
profile.BulkEmailWebhookEndpoint),
get_redirect_route(
feconf.PREFERENCES_DATA_URL, profile.PreferencesHandler),
get_redirect_route(
r'/preferenceshandler/profile_picture', profile.ProfilePictureHandler),
get_redirect_route(
r'/preferenceshandler/profile_picture_by_username/<username>',
profile.ProfilePictureHandlerByUsernameHandler),
get_redirect_route(r'%s' % feconf.SIGNUP_URL, profile.SignupPage),
get_redirect_route(r'%s' % feconf.SIGNUP_DATA_URL, profile.SignupHandler),
get_redirect_route(
feconf.DELETE_ACCOUNT_HANDLER_URL, profile.DeleteAccountHandler),
get_redirect_route(
feconf.EXPORT_ACCOUNT_HANDLER_URL, profile.ExportAccountHandler),
get_redirect_route(
r'%s' % feconf.USERNAME_CHECK_DATA_URL, profile.UsernameCheckHandler),
get_redirect_route(
r'%s' % feconf.SITE_LANGUAGE_DATA_URL, profile.SiteLanguageHandler),
get_redirect_route(r'/userinfohandler', profile.UserInfoHandler),
get_redirect_route(r'/userinfohandler/data', profile.UserInfoHandler),
get_redirect_route(r'/url_handler', profile.UrlHandler),
get_redirect_route(r'/moderator', moderator.ModeratorPage),
get_redirect_route(
r'/moderatorhandler/featured', moderator.FeaturedActivitiesHandler),
get_redirect_route(
r'/moderatorhandler/email_draft', moderator.EmailDraftHandler),
get_redirect_route(
r'/memorycachehandler', release_coordinator.MemoryCacheHandler),
get_redirect_route(
'/checkpoints_feature_status_handler',
reader.CheckpointsFeatureStatusHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EXPLORATION_URL_PREFIX,
reader.ExplorationPage),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EXPLORATION_URL_EMBED_PREFIX,
reader.ExplorationEmbedPage),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EXPLORATION_INIT_URL_PREFIX,
reader.ExplorationHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EXPLORATION_PRETESTS_URL_PREFIX,
reader.PretestHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EXPLORATION_FEATURES_PREFIX,
features.ExplorationFeaturesHandler),
get_redirect_route(
'/explorehandler/exploration_start_event/<exploration_id>',
reader.ExplorationStartEventHandler),
get_redirect_route(
'/explorehandler/exploration_actual_start_event/<exploration_id>',
reader.ExplorationActualStartEventHandler),
get_redirect_route(
'/explorehandler/solution_hit_event/<exploration_id>',
reader.SolutionHitEventHandler),
get_redirect_route(
'/sync_logged_out_and_logged_in_progress/<exploration_id>',
reader.SyncLoggedOutLearnerProgressHandler),
get_redirect_route(
r'/explorehandler/state_hit_event/<exploration_id>',
reader.StateHitEventHandler),
get_redirect_route(
r'/explorehandler/state_complete_event/<exploration_id>',
reader.StateCompleteEventHandler),
get_redirect_route(
r'/explorehandler/checkpoint_reached_by_logged_out_user/<exploration_id>', # pylint: disable=line-too-long
reader.SaveTransientCheckpointProgressHandler),
get_redirect_route(
'/progress/<unique_progress_url_id>',
reader.TransientCheckpointUrlPage),
get_redirect_route(
r'/explorehandler/leave_for_refresher_exp_event/<exploration_id>',
reader.LeaveForRefresherExpEventHandler),
get_redirect_route(
r'/explorehandler/answer_submitted_event/<exploration_id>',
reader.AnswerSubmittedEventHandler),
get_redirect_route(
r'/explorehandler/checkpoint_reached/<exploration_id>',
reader.CheckpointReachedEventHandler),
get_redirect_route(
r'/explorehandler/restart/<exploration_id>',
reader.ExplorationRestartEventHandler),
get_redirect_route(
r'/explorehandler/give_feedback/<exploration_id>',
reader.ReaderFeedbackHandler),
get_redirect_route(
r'/explorehandler/exploration_complete_event/<exploration_id>',
reader.ExplorationCompleteEventHandler),
get_redirect_route(
r'/explorehandler/exploration_maybe_leave_event/<exploration_id>',
reader.ExplorationMaybeLeaveHandler),
get_redirect_route(
r'/explorehandler/stats_events/<exploration_id>',
reader.StatsEventsHandler),
get_redirect_route(
r'/explorehandler/store_playthrough/<exploration_id>',
reader.StorePlaythroughHandler),
get_redirect_route(
r'/explorehandler/rating/<exploration_id>', reader.RatingHandler),
get_redirect_route(
r'/explorehandler/recommendations/<exploration_id>',
reader.RecommendationsHandler),
get_redirect_route(
r'%s/<entity_type>/<entity_id>' % (
feconf.LEARNER_ANSWER_DETAILS_SUBMIT_URL),
reader.LearnerAnswerDetailsSubmissionHandler),
get_redirect_route(
r'%s/<exploration_id>/<state_name>/<version>' % (
feconf.STATE_VERSION_HISTORY_URL_PREFIX
), reader.StateVersionHistoryHandler),
get_redirect_route(
r'%s/<exploration_id>/<version>' % (
feconf.METADATA_VERSION_HISTORY_URL_PREFIX
), reader.MetadataVersionHistoryHandler),
get_redirect_route(
r'%s/<question_id>' % feconf.QUESTION_EDITOR_DATA_URL_PREFIX,
question_editor.EditableQuestionDataHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EDITOR_URL_PREFIX,
editor.ExplorationPage),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EXPLORATION_DATA_PREFIX,
editor.ExplorationHandler),
get_redirect_route(
r'/editsallowedhandler/<exploration_id>',
editor.ExplorationEditsAllowedHandler),
get_redirect_route(
r'/createhandler/download/<exploration_id>',
editor.ExplorationFileDownloader),
get_redirect_route(
r'%s/<entity_type>/<entity_id>' % (
feconf.EXPLORATION_IMAGE_UPLOAD_PREFIX),
editor.ImageUploadHandler),
get_redirect_route(
r'/createhandler/audioupload/<exploration_id>',
voice_artist.AudioUploadHandler),
get_redirect_route(
r'/createhandler/state_yaml/<exploration_id>',
editor.StateYamlHandler),
get_redirect_route(
r'/createhandler/check_revert_valid/<exploration_id>/<version>',
editor.ExplorationCheckRevertValidHandler),
get_redirect_route(
r'/createhandler/revert/<exploration_id>',
editor.ExplorationRevertHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EXPLORATION_RIGHTS_PREFIX,
editor.ExplorationRightsHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.USER_PERMISSIONS_URL_PREFIX,
editor.UserExplorationPermissionsHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EXPLORATION_STATUS_PREFIX,
editor.ExplorationStatusHandler),
get_redirect_route(
r'/createhandler/moderatorrights/<exploration_id>',
editor.ExplorationModeratorRightsHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.USER_EXPLORATION_EMAILS_PREFIX,
editor.UserExplorationEmailsHandler),
get_redirect_route(
r'/createhandler/snapshots/<exploration_id>',
editor.ExplorationSnapshotsHandler),
get_redirect_route(
r'/createhandler/statistics/<exploration_id>',
editor.ExplorationStatisticsHandler),
get_redirect_route(
r'/createhandler/state_interaction_stats/<exploration_id>/<state_name>',
editor.StateInteractionStatsHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.EXPLORATION_STATE_ANSWER_STATS_PREFIX,
editor.StateAnswerStatisticsHandler),
get_redirect_route(
r'/createhandler/started_tutorial_event/<exploration_id>',
editor.StartedTutorialEventHandler),
get_redirect_route(
r'/createhandler/started_translation_tutorial_event/<exploration_id>',
voice_artist.StartedTranslationTutorialEventHandler),
get_redirect_route(
r'/createhandler/autosave_draft/<exploration_id>',
editor.EditorAutosaveHandler),
get_redirect_route(
r'/createhandler/get_top_unresolved_answers/<exploration_id>',
editor.TopUnresolvedAnswersHandler),
get_redirect_route(
r'%s/<entity_type>/<entity_id>' %
feconf.LEARNER_ANSWER_INFO_HANDLER_URL,
editor.LearnerAnswerInfoHandler),
get_redirect_route(
r'%s' % feconf.RECENT_COMMITS_DATA_URL,
recent_commits.RecentCommitsHandler),
get_redirect_route(
r'%s' % feconf.RECENT_FEEDBACK_MESSAGES_DATA_URL,
feedback.RecentFeedbackMessagesHandler),
get_redirect_route(
r'%s/<thread_id>' % feconf.FEEDBACK_THREAD_VIEW_EVENT_URL,
feedback.FeedbackThreadViewEventHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.FEEDBACK_THREADLIST_URL_PREFIX,
feedback.ThreadListHandler),
get_redirect_route(
r'%s/<topic_id>' % feconf.FEEDBACK_THREADLIST_URL_PREFIX_FOR_TOPICS,
feedback.ThreadListHandlerForTopicsHandler),
get_redirect_route(
r'%s/<thread_id>' % feconf.FEEDBACK_THREAD_URL_PREFIX,
feedback.ThreadHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.FEEDBACK_STATS_URL_PREFIX,
feedback.FeedbackStatsHandler),
get_redirect_route(
r'%s/' % feconf.SUGGESTION_URL_PREFIX,
suggestion.SuggestionHandler),
get_redirect_route(
r'%s/<suggestion_id>' % feconf.UPDATE_TRANSLATION_SUGGESTION_URL_PREFIX,
suggestion.UpdateTranslationSuggestionHandler),
get_redirect_route(
r'%s/<suggestion_id>' % feconf.UPDATE_QUESTION_SUGGESTION_URL_PREFIX,
suggestion.UpdateQuestionSuggestionHandler),
get_redirect_route(
r'%s' % feconf.QUESTIONS_URL_PREFIX,
reader.QuestionPlayerHandler),
get_redirect_route(
r'%s/exploration/<target_id>/<suggestion_id>' %
feconf.SUGGESTION_ACTION_URL_PREFIX,
suggestion.SuggestionToExplorationActionHandler),
get_redirect_route(
r'%s/resubmit/<suggestion_id>' % feconf.SUGGESTION_ACTION_URL_PREFIX,
suggestion.ResubmitSuggestionHandler),
get_redirect_route(
r'%s/skill/<target_id>/<suggestion_id>' %
feconf.SUGGESTION_ACTION_URL_PREFIX,
suggestion.SuggestionToSkillActionHandler),
get_redirect_route(
r'%s' % feconf.SUGGESTION_LIST_URL_PREFIX,
suggestion.SuggestionListHandler),
get_redirect_route(
r'/getreviewablesuggestions/<target_type>/<suggestion_type>',
suggestion.ReviewableSuggestionsHandler),
get_redirect_route(
r'/getsubmittedsuggestions/<target_type>/<suggestion_type>',
suggestion.UserSubmittedSuggestionsHandler),
get_redirect_route(
r'%s' % feconf.SUBSCRIBE_URL_PREFIX,
subscriptions.SubscribeHandler),
get_redirect_route(
r'%s' % feconf.UNSUBSCRIBE_URL_PREFIX,
subscriptions.UnsubscribeHandler),
get_redirect_route(
r'%s/<exploration_id>' % feconf.FLAG_EXPLORATION_URL_PREFIX,
reader.FlagExplorationHandler),
get_redirect_route(
r'%s/<collection_id>' % feconf.COLLECTION_URL_PREFIX,
collection_viewer.CollectionPage),
get_redirect_route(
r'%s/<collection_id>' % feconf.COLLECTION_DATA_URL_PREFIX,
collection_viewer.CollectionDataHandler),
get_redirect_route(
r'%s/<collection_id>' % feconf.COLLECTION_EDITOR_URL_PREFIX,
collection_editor.CollectionEditorPage),
get_redirect_route(
r'%s/<collection_id>' % feconf.COLLECTION_EDITOR_DATA_URL_PREFIX,
collection_editor.EditableCollectionDataHandler),
get_redirect_route(
r'%s/<collection_id>' % feconf.COLLECTION_RIGHTS_PREFIX,
collection_editor.CollectionRightsHandler),
get_redirect_route(
r'%s/<collection_id>' % feconf.COLLECTION_PUBLISH_PREFIX,
collection_editor.CollectionPublishHandler),
get_redirect_route(
r'%s/<collection_id>' % feconf.COLLECTION_UNPUBLISH_PREFIX,
collection_editor.CollectionUnpublishHandler),
get_redirect_route(
r'%s/<topic_id>' % feconf.TOPIC_EDITOR_URL_PREFIX,
topic_editor.TopicEditorPage),
get_redirect_route(
r'%s/<topic_id>' % feconf.TOPIC_EDITOR_DATA_URL_PREFIX,
topic_editor.EditableTopicDataHandler),
get_redirect_route(
r'%s/<topic_id>/<subtopic_id>' %
feconf.SUBTOPIC_PAGE_EDITOR_DATA_URL_PREFIX,
topic_editor.EditableSubtopicPageDataHandler),
get_redirect_route(
r'%s/<topic_id>' % feconf.TOPIC_RIGHTS_URL_PREFIX,
topic_editor.TopicRightsHandler),
get_redirect_route(
r'%s/<topic_id>' % feconf.TOPIC_STATUS_URL_PREFIX,
topic_editor.TopicPublishHandler),
get_redirect_route(
r'%s/<topic_id>' % feconf.TOPIC_SEND_MAIL_URL_PREFIX,
topic_editor.TopicPublishSendMailHandler),
get_redirect_route(
r'%s/' % feconf.TOPIC_ID_TO_TOPIC_NAME,
topic_editor.TopicIdToTopicNameHandler),
get_redirect_route(
r'%s/<selected_skill_ids>' % feconf.CONCEPT_CARD_DATA_URL_PREFIX,
concept_card_viewer.ConceptCardDataHandler),
get_redirect_route(
r'%s/<question_id>' % feconf.QUESTION_SKILL_LINK_URL_PREFIX,
question_editor.QuestionSkillLinkHandler),
get_redirect_route(
r'%s/<comma_separated_skill_ids>' % feconf.SKILL_DATA_URL_PREFIX,
skill_editor.SkillDataHandler),
get_redirect_route(
r'%s' % feconf.FETCH_SKILLS_URL_PREFIX,
skill_editor.FetchSkillsHandler),
get_redirect_route(
r'%s/<skill_id>' % feconf.SKILL_EDITOR_URL_PREFIX,
skill_editor.SkillEditorPage),
get_redirect_route(
r'%s/<skill_id>' % feconf.SKILL_EDITOR_DATA_URL_PREFIX,
skill_editor.EditableSkillDataHandler),
get_redirect_route(
r'%s' % feconf.SKILL_MASTERY_DATA_URL,
skill_mastery.SkillMasteryDataHandler),
get_redirect_route(
r'%s/<skill_id>' % feconf.SKILL_RIGHTS_URL_PREFIX,
skill_editor.SkillRightsHandler),
get_redirect_route(
r'%s' % feconf.SUBTOPIC_MASTERY_DATA_URL,
skill_mastery.SubtopicMasteryDataHandler),
get_redirect_route(
r'%s/<story_id>' % feconf.STORY_EDITOR_URL_PREFIX,
story_editor.StoryEditorPage),
get_redirect_route(
r'%s/<story_id>' % feconf.STORY_EDITOR_DATA_URL_PREFIX,
story_editor.EditableStoryDataHandler),
get_redirect_route(
r'%s/<story_id>' % feconf.STORY_PUBLISH_HANDLER,
story_editor.StoryPublishHandler),
get_redirect_route(
r'%s/<story_id>' %
feconf.VALIDATE_STORY_EXPLORATIONS_URL_PREFIX,
story_editor.ValidateExplorationsHandler),
get_redirect_route(
'/classroom_promos_status_handler',
classroom.ClassroomPromosStatusHandler),
get_redirect_route(r'/emaildashboard', email_dashboard.EmailDashboardPage),
get_redirect_route(
r'/emaildashboarddatahandler',
email_dashboard.EmailDashboardDataHandler),
get_redirect_route(
r'/querystatuscheck', email_dashboard.QueryStatusCheckHandler),
get_redirect_route(
r'/emaildashboardresult/<query_id>',
email_dashboard.EmailDashboardResultPage),
get_redirect_route(
r'/emaildashboardcancelresult/<query_id>',
email_dashboard.EmailDashboardCancelEmailHandler),
get_redirect_route(
r'/emaildashboardtestbulkemailhandler/<query_id>',
email_dashboard.EmailDashboardTestBulkEmailHandler),
get_redirect_route(
r'%s' % feconf.EXPLORATION_METADATA_SEARCH_URL,
collection_editor.ExplorationMetadataSearchHandler),
get_redirect_route(
r'/explorationdataextractionhandler', admin.DataExtractionQueryHandler),
get_redirect_route(
r'/senddummymailtoadminhandler', admin.SendDummyMailToAdminHandler),
get_redirect_route(r'/updateusernamehandler', admin.UpdateUsernameHandler),
get_redirect_route(
r'/numberofdeletionrequestshandler',
admin.NumberOfDeletionRequestsHandler),
get_redirect_route(
r'/verifyusermodelsdeletedhandler',
admin.VerifyUserModelsDeletedHandler),
get_redirect_route(r'/deleteuserhandler', admin.DeleteUserHandler),
get_redirect_route(r'/frontend_errors', FrontendErrorHandler),
get_redirect_route(r'/session_begin', base.SessionBeginHandler),
get_redirect_route(r'/session_end', base.SessionEndHandler),
get_redirect_route(
r'%s/%s/<exploration_id>' % (
feconf.IMPROVEMENTS_URL_PREFIX,
constants.TASK_ENTITY_TYPE_EXPLORATION),
improvements.ExplorationImprovementsHandler),
get_redirect_route(
r'%s/%s/<exploration_id>' % (
feconf.IMPROVEMENTS_HISTORY_URL_PREFIX,
constants.TASK_ENTITY_TYPE_EXPLORATION),
improvements.ExplorationImprovementsHistoryHandler),
get_redirect_route(
r'%s/%s/<exploration_id>' % (
feconf.IMPROVEMENTS_CONFIG_URL_PREFIX,
constants.TASK_ENTITY_TYPE_EXPLORATION),
improvements.ExplorationImprovementsConfigHandler),
get_redirect_route(
r'%s' % feconf.BLOG_ADMIN_PAGE_URL, blog_admin.BlogAdminPage),
get_redirect_route(
r'%s' % feconf.BLOG_ADMIN_ROLE_HANDLER_URL,
blog_admin.BlogAdminRolesHandler),
get_redirect_route(
r'/blogadminhandler', blog_admin.BlogAdminHandler),
get_redirect_route('/beam_job', beam_jobs.BeamJobHandler),
get_redirect_route('/beam_job_run', beam_jobs.BeamJobRunHandler),
get_redirect_route(
'/beam_job_run_result', beam_jobs.BeamJobRunResultHandler),
get_redirect_route(
r'%s/<blog_post_id>' % feconf.BLOG_EDITOR_DATA_URL_PREFIX,
blog_dashboard.BlogPostHandler),
get_redirect_route(
r'%s' % feconf.BLOG_DASHBOARD_DATA_URL,
blog_dashboard.BlogDashboardDataHandler),
get_redirect_route(
r'%s' % feconf.BLOG_DASHBOARD_URL, blog_dashboard.BlogDashboardPage),
get_redirect_route(
r'/issuesdatahandler/<exploration_id>', editor.FetchIssuesHandler),
get_redirect_route(
r'/ml/trainedclassifierhandler', classifier.TrainedClassifierHandler),
get_redirect_route(
r'/ml/nextjobhandler', classifier.NextJobHandler),
get_redirect_route(
r'/playthroughdatahandler/<exploration_id>/<playthrough_id>',
editor.FetchPlaythroughHandler),
get_redirect_route(
r'/resolveissuehandler/<exploration_id>', editor.ResolveIssueHandler),
get_redirect_route(
r'%s' % feconf.CSRF_HANDLER_URL, base.CsrfTokenHandler),