models: Extract zerver.models.realms.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

analytics/tests/test_stats_views.py

@@ -10,7 +10,8 @@ from analytics.models import FillState, RealmCount, StreamCount, UserCount
 from analytics.views.stats import rewrite_client_arrays, sort_by_totals, sort_client_labels
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.timestamp import ceiling_to_day, ceiling_to_hour, datetime_to_timestamp
-from zerver.models import Client, get_realm
+from zerver.models import Client
+from zerver.models.realms import get_realm
 
 
 class TestStatsEndpoint(ZulipTestCase):

analytics/tests/test_support_views.py

@@ -23,16 +23,8 @@ from zerver.actions.realm_settings import do_change_realm_org_type, do_send_real
 from zerver.actions.user_settings import do_change_user_setting
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import reset_email_visibility_to_everyone_in_zulip_realm
-from zerver.models import (
-    MultiuseInvite,
-    OrgTypeEnum,
-    PreregistrationUser,
-    Realm,
-    UserMessage,
-    UserProfile,
-    get_org_type_display_name,
-    get_realm,
-)
+from zerver.models import MultiuseInvite, PreregistrationUser, Realm, UserMessage, UserProfile
+from zerver.models.realms import OrgTypeEnum, get_org_type_display_name, get_realm
 from zilencer.lib.remote_counts import MissingDataError
 
 if TYPE_CHECKING:

analytics/views/installation_activity.py

@@ -25,7 +25,8 @@ from analytics.views.activity_common import (
 from analytics.views.support import get_plan_type_string
 from zerver.decorator import require_server_admin
 from zerver.lib.request import has_request_variables
-from zerver.models import Realm, get_org_type_display_name
+from zerver.models import Realm
+from zerver.models.realms import get_org_type_display_name
 
 if settings.BILLING_ENABLED:
     from corporate.lib.analytics import (

analytics/views/stats.py

@@ -36,7 +36,8 @@ from zerver.lib.response import json_success
 from zerver.lib.streams import access_stream_by_id
 from zerver.lib.timestamp import convert_to_UTC
 from zerver.lib.validator import to_non_negative_int
-from zerver.models import Client, Realm, Stream, UserProfile, get_realm
+from zerver.models import Client, Realm, Stream, UserProfile
+from zerver.models.realms import get_realm
 
 if settings.ZILENCER_ENABLED:
     from zilencer.models import RemoteInstallationCount, RemoteRealmCount, RemoteZulipServer

analytics/views/support.py

@@ -40,9 +40,8 @@ from zerver.models import (
     Realm,
     RealmReactivationStatus,
     UserProfile,
-    get_org_type_display_name,
-    get_realm,
 )
+from zerver.models.realms import get_org_type_display_name, get_realm
 from zerver.models.users import get_user_profile_by_id
 from zerver.views.invite import get_invitee_emails_set
 

corporate/lib/stripe.py

@@ -50,7 +50,8 @@ from zerver.lib.send_email import (
 from zerver.lib.timestamp import datetime_to_timestamp, timestamp_to_datetime
 from zerver.lib.url_encoding import append_url_query_string
 from zerver.lib.utils import assert_is_not_none
-from zerver.models import Realm, RealmAuditLog, UserProfile, get_org_type_display_name, get_realm
+from zerver.models import Realm, RealmAuditLog, UserProfile
+from zerver.models.realms import get_org_type_display_name, get_realm
 from zerver.models.users import get_system_bot
 from zilencer.lib.remote_counts import MissingDataError
 from zilencer.models import (

corporate/lib/support.py

@@ -14,7 +14,8 @@ from corporate.models import (
     ZulipSponsorshipRequest,
     get_current_plan_by_customer,
 )
-from zerver.models import Realm, get_org_type_display_name, get_realm
+from zerver.models import Realm
+from zerver.models.realms import get_org_type_display_name, get_realm
 from zilencer.lib.remote_counts import MissingDataError
 
 

corporate/tests/test_stripe.py

@@ -102,7 +102,8 @@ from zerver.lib.remote_server import send_server_data_to_push_bouncer
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.timestamp import datetime_to_timestamp, timestamp_to_datetime
 from zerver.lib.utils import assert_is_not_none
-from zerver.models import Message, Realm, RealmAuditLog, Recipient, UserProfile, get_realm
+from zerver.models import Message, Realm, RealmAuditLog, Recipient, UserProfile
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot
 from zilencer.lib.remote_counts import MissingDataError
 from zilencer.models import (

docs/tutorials/new-feature-tutorial.md

@@ -35,7 +35,7 @@ organization in Zulip). The following files are involved in the process:
 
 **Backend**
 
-- `zerver/models/__init__.py`: Defines the database model.
+- `zerver/models/realms.py`: Defines the database model.
 - `zerver/views/realm.py`: The view function that implements the API endpoint
   for editing realm objects.
 - `zerver/actions/realm_settings.py`: Contains code for updating and interacting with the database.
@@ -73,7 +73,7 @@ organization in Zulip). The following files are involved in the process:
 ### Adding a field to the database
 
 **Update the model:** The server accesses the underlying database in
-`zerver/models/__init__.py`. Add a new field in the appropriate class.
+`zerver/models/realms.py`. Add a new field in the appropriate class.
 
 **Create and run the migration:** To create and apply a migration, run the
 following commands:
@@ -185,10 +185,10 @@ task of requiring messages to have a topic, you can [view this commit](https://g
 
 First, update the database and model to store the new setting. Add a new
 boolean field, `mandatory_topics`, to the Realm model in
-`zerver/models/__init__.py`.
+`zerver/models/realms.py`.
 
 ```diff
- # zerver/models/__init__.py
+ # zerver/models/realms.py
 
  class Realm(models.Model):
      # ...
@@ -205,7 +205,7 @@ is the field's type. Add the new field to the `property_types`
 dictionary.
 
 ```diff
- # zerver/models/__init__.py
+ # zerver/models/realms.py
 
  class Realm(models.Model)
      # ...

puppet/zulip/files/nagios_plugins/zulip_app_frontend/check_send_receive_time

@@ -66,7 +66,7 @@ django.setup()
 
 from django.conf import settings
 
-from zerver.models import get_realm
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot
 
 states = {

tools/generate-integration-docs-screenshot

@@ -50,7 +50,8 @@ from zerver.lib.storage import static_path
 from zerver.lib.streams import create_stream_if_needed
 from zerver.lib.upload import upload_avatar_image
 from zerver.lib.webhooks.common import get_fixture_http_headers
-from zerver.models import Message, UserProfile, get_realm
+from zerver.models import Message, UserProfile
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user_by_delivery_email
 
 

tools/semgrep-py.yml

@@ -50,7 +50,7 @@ rules:
       - pattern-not: from zerver.models import filter_pattern_validator
       - pattern-not: from zerver.models import url_template_validator
       - pattern-not: from zerver.models import generate_email_token_for_stream
-      - pattern-not: from zerver.models import generate_realm_uuid_owner_secret
+      - pattern-not: from zerver.models.realms import generate_realm_uuid_owner_secret
       - pattern-either:
           - pattern: from zerver import $X
           - pattern: from analytics import $X

tools/test-api

@@ -36,7 +36,7 @@ with test_server_running(
     from zerver.actions.users import change_user_is_active
     from zerver.lib.test_helpers import reset_email_visibility_to_everyone_in_zulip_realm
     from zerver.lib.users import get_api_key
-    from zerver.models import get_realm
+    from zerver.models.realms import get_realm
     from zerver.models.users import get_user
     from zerver.openapi.javascript_examples import test_js_bindings
     from zerver.openapi.python_examples import (

zerver/actions/create_realm.py

@@ -31,9 +31,8 @@ from zerver.models import (
     RealmUserDefault,
     Stream,
     UserProfile,
-    get_org_type_display_name,
-    get_realm,
 )
+from zerver.models.realms import get_org_type_display_name, get_realm
 from zerver.models.users import get_system_bot
 from zproject.backends import all_implemented_backend_names
 

zerver/actions/realm_domains.py

@@ -4,14 +4,8 @@ from django.db import transaction
 from django.utils.timezone import now as timezone_now
 
 from zerver.actions.realm_settings import do_set_realm_property
-from zerver.models import (
-    Realm,
-    RealmAuditLog,
-    RealmDomain,
-    RealmDomainDict,
-    UserProfile,
-    get_realm_domains,
-)
+from zerver.models import Realm, RealmAuditLog, RealmDomain, UserProfile
+from zerver.models.realms import RealmDomainDict, get_realm_domains
 from zerver.models.users import active_user_ids
 from zerver.tornado.django_api import send_event_on_commit
 

zerver/actions/realm_settings.py

@@ -33,9 +33,9 @@ from zerver.models import (
     Subscription,
     UserGroup,
     UserProfile,
-    get_realm,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_realm
 from zerver.models.users import active_user_ids
 from zerver.tornado.django_api import send_event, send_event_on_commit
 

zerver/actions/users.py

@@ -42,8 +42,8 @@ from zerver.models import (
     UserGroupMembership,
     UserProfile,
     get_bot_services,
-    get_fake_email_domain,
 )
+from zerver.models.realms import get_fake_email_domain
 from zerver.models.users import (
     active_non_guest_user_ids,
     active_user_ids,

zerver/context_processors.py

@@ -20,7 +20,8 @@ from zerver.lib.realm_icon import get_realm_icon_url
 from zerver.lib.request import RequestNotes
 from zerver.lib.send_email import FromAddress
 from zerver.lib.subdomains import get_subdomain, is_root_domain_available
-from zerver.models import Realm, UserProfile, get_realm
+from zerver.models import Realm, UserProfile
+from zerver.models.realms import get_realm
 from zproject.backends import (
     AUTH_BACKEND_NAME_MAP,
     auth_enabled_helper,

zerver/forms.py

@@ -35,12 +35,11 @@ from zerver.lib.send_email import FromAddress, send_email
 from zerver.lib.soft_deactivation import queue_soft_reactivation
 from zerver.lib.subdomains import get_subdomain, is_root_domain_available
 from zerver.lib.users import check_full_name
-from zerver.models import (
+from zerver.models import Realm, UserProfile
+from zerver.models.realms import (
     DisposableEmailError,
     DomainNotAllowedForRealmError,
     EmailContainsPlusError,
-    Realm,
-    UserProfile,
     get_realm,
 )
 from zerver.models.users import get_user_by_delivery_email, is_cross_realm_bot_email

zerver/lib/cache.py

@@ -591,7 +591,7 @@ def flush_muting_users_cache(*, instance: "MutedUser", **kwargs: object) -> None
     cache_delete(get_muting_users_cache_key(mute_object.muted_user_id))
 
 
-# Called by models/__init__.py to flush various caches whenever we save
+# Called by models/realms.py to flush various caches whenever we save
 # a Realm object.  The main tricky thing here is that Realm info is
 # generally cached indirectly through user_profile objects.
 def flush_realm(

zerver/lib/create_user.py

@@ -18,8 +18,8 @@ from zerver.models import (
     Subscription,
     UserBaseSettings,
     UserProfile,
-    get_fake_email_domain,
 )
+from zerver.models.realms import get_fake_email_domain
 
 
 def copy_default_settings(

zerver/lib/email_validation.py

@@ -8,12 +8,11 @@ from django.utils.translation import gettext as _
 from zerver.lib.name_restrictions import is_disposable_domain
 
 # TODO: Move DisposableEmailError, etc. into here.
-from zerver.models import (
+from zerver.models import Realm, RealmDomain
+from zerver.models.realms import (
     DisposableEmailError,
     DomainNotAllowedForRealmError,
     EmailContainsPlusError,
-    Realm,
-    RealmDomain,
 )
 from zerver.models.users import get_users_by_delivery_email, is_cross_realm_bot_email
 

zerver/lib/events.py

@@ -82,11 +82,11 @@ from zerver.models import (
     custom_profile_fields_for_realm,
     get_all_custom_emoji_for_realm,
     get_default_stream_groups,
-    get_realm_domains,
     get_realm_playgrounds,
     linkifiers_for_realm,
 )
 from zerver.models.constants import MAX_TOPIC_NAME_LENGTH
+from zerver.models.realms import get_realm_domains
 from zerver.tornado.django_api import get_user_events, request_event_queue
 from zproject.backends import email_auth_enabled, password_auth_enabled
 

zerver/lib/export.py

@@ -69,8 +69,8 @@ from zerver.models import (
     UserProfile,
     UserStatus,
     UserTopic,
-    get_realm,
 )
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot, get_user_profile_by_id
 
 # Custom mypy types follow:

zerver/lib/import_realm.py

@@ -77,9 +77,9 @@ from zerver.models import (
     UserStatus,
     UserTopic,
     get_huddle_hash,
-    get_realm,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot, get_user_profile_by_id
 
 realm_tables = [

zerver/lib/message.py

@@ -75,11 +75,11 @@ from zerver.models import (
     UserProfile,
     UserTopic,
     get_display_recipient_by_id,
-    get_fake_email_domain,
     get_usermessage_by_message_id,
     query_for_ids,
 )
 from zerver.models.constants import MAX_TOPIC_NAME_LENGTH
+from zerver.models.realms import get_fake_email_domain
 
 
 class MessageDetailsDict(TypedDict, total=False):

zerver/lib/push_notifications.py

@@ -65,8 +65,8 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     get_display_recipient,
-    get_fake_email_domain,
 )
+from zerver.models.realms import get_fake_email_domain
 from zerver.models.users import get_user_profile_by_id
 
 if TYPE_CHECKING:

zerver/lib/remote_server.py

@@ -22,7 +22,8 @@ from zerver.lib.exceptions import (
 )
 from zerver.lib.outgoing_http import OutgoingSession
 from zerver.lib.queue import queue_event_on_commit
-from zerver.models import OrgTypeEnum, Realm, RealmAuditLog
+from zerver.models import Realm, RealmAuditLog
+from zerver.models.realms import OrgTypeEnum
 
 
 class PushBouncerSession(OutgoingSession):

zerver/lib/scim.py

@@ -15,11 +15,11 @@ from zerver.actions.users import do_change_user_role, do_deactivate_user
 from zerver.lib.email_validation import email_allowed_for_realm, validate_email_not_already_in_realm
 from zerver.lib.request import RequestNotes
 from zerver.lib.subdomains import get_subdomain
-from zerver.models import (
+from zerver.models import UserProfile
+from zerver.models.realms import (
     DisposableEmailError,
     DomainNotAllowedForRealmError,
     EmailContainsPlusError,
-    UserProfile,
 )
 
 

zerver/lib/test_classes.py

@@ -107,12 +107,11 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     UserStatus,
-    clear_supported_auth_backends_cache,
-    get_realm,
     get_realm_stream,
     get_stream,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import clear_supported_auth_backends_cache, get_realm
 from zerver.models.users import get_system_bot, get_user, get_user_by_delivery_email
 from zerver.openapi.openapi import validate_against_openapi_schema, validate_request
 from zerver.tornado.event_queue import clear_client_event_queues_for_testing

zerver/lib/test_helpers.py

@@ -60,9 +60,9 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     get_client,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 from zerver.tornado.handlers import AsyncDjangoHandler, allocate_handler_id
 from zilencer.models import RemoteZulipServer
 from zproject.backends import ExternalAuthDataDict, ExternalAuthResult

zerver/lib/users.py

@@ -36,9 +36,9 @@ from zerver.models import (
     Subscription,
     UserMessage,
     UserProfile,
-    get_fake_email_domain,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_fake_email_domain
 from zerver.models.users import (
     active_non_guest_user_ids,
     active_user_ids,

zerver/management/commands/realm_domain.py

@@ -9,7 +9,8 @@ from typing_extensions import override
 
 from zerver.lib.domains import validate_domain
 from zerver.lib.management import ZulipBaseCommand
-from zerver.models import RealmDomain, get_realm_domains
+from zerver.models import RealmDomain
+from zerver.models.realms import get_realm_domains
 
 
 class Command(ZulipBaseCommand):

zerver/management/commands/send_to_email_mirror.py

@@ -13,7 +13,8 @@ from typing_extensions import override
 from zerver.lib.email_mirror import mirror_email_message
 from zerver.lib.email_mirror_helpers import encode_email_address
 from zerver.lib.management import ZulipBaseCommand
-from zerver.models import Realm, get_realm, get_stream
+from zerver.models import Realm, get_stream
+from zerver.models.realms import get_realm
 
 # This command loads an email from a specified file and sends it
 # to the email mirror. Simple emails can be passed in a JSON file,

zerver/management/commands/send_webhook_fixture_message.py

@@ -9,7 +9,7 @@ from typing_extensions import override
 
 from zerver.lib.management import ZulipBaseCommand
 from zerver.lib.webhooks.common import standardize_headers
-from zerver.models import get_realm
+from zerver.models.realms import get_realm
 
 
 class Command(ZulipBaseCommand):

zerver/middleware.py

@@ -42,7 +42,8 @@ from zerver.lib.response import (
 )
 from zerver.lib.subdomains import get_subdomain
 from zerver.lib.user_agent import parse_user_agent
-from zerver.models import Realm, get_realm
+from zerver.models import Realm
+from zerver.models.realms import get_realm
 
 ParamT = ParamSpec("ParamT")
 logger = logging.getLogger("zulip.requests")

zerver/migrations/0481_alter_realm_uuid_alter_realm_uuid_owner_secret.py

@@ -4,7 +4,7 @@ import uuid
 
 from django.db import migrations, models
 
-from zerver.models import generate_realm_uuid_owner_secret
+from zerver.models.realms import generate_realm_uuid_owner_secret
 
 
 class Migration(migrations.Migration):

zerver/models/users.py

@@ -1060,7 +1060,8 @@ def bot_owner_user_ids(user_profile: UserProfile) -> Set[int]:
 
 
 def get_source_profile(email: str, realm_id: int) -> Optional[UserProfile]:
-    from zerver.models import Realm, get_realm_by_id
+    from zerver.models import Realm
+    from zerver.models.realms import get_realm_by_id
 
     try:
         return get_user_by_delivery_email(email, get_realm_by_id(realm_id))

zerver/openapi/curl_param_value_generators.py

@@ -20,7 +20,8 @@ from zerver.lib.initial_password import initial_password
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.upload import upload_message_attachment
 from zerver.lib.users import get_api_key
-from zerver.models import Client, Message, UserGroup, UserPresence, get_realm
+from zerver.models import Client, Message, UserGroup, UserPresence
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 
 GENERATOR_FUNCTIONS: Dict[str, Callable[[], Dict[str, object]]] = {}

zerver/openapi/python_examples.py

@@ -22,7 +22,7 @@ from typing import Any, Callable, Dict, List, Set, TypeVar
 from typing_extensions import ParamSpec
 from zulip import Client
 
-from zerver.models import get_realm
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 from zerver.openapi.openapi import validate_against_openapi_schema
 

zerver/openapi/test_curl_examples.py

@@ -16,7 +16,7 @@ import markdown
 from django.conf import settings
 from zulip import Client
 
-from zerver.models import get_realm
+from zerver.models.realms import get_realm
 from zerver.openapi import markdown_extension
 from zerver.openapi.curl_param_value_generators import (
     AUTHENTICATION_LINE,

zerver/tests/test_audit_log.py

@@ -77,20 +77,18 @@ from zerver.models import (
     Message,
     Realm,
     RealmAuditLog,
-    RealmDomainDict,
     RealmPlayground,
     Recipient,
     Subscription,
     UserGroup,
     UserProfile,
     get_all_custom_emoji_for_realm,
-    get_realm,
-    get_realm_domains,
     get_realm_playgrounds,
     get_stream,
     linkifiers_for_realm,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import RealmDomainDict, get_realm, get_realm_domains
 
 
 class TestRealmAuditLog(ZulipTestCase):

zerver/tests/test_auth_backends.py

@@ -116,9 +116,8 @@ from zerver.models import (
     Stream,
     UserGroup,
     UserProfile,
-    clear_supported_auth_backends_cache,
-    get_realm,
 )
+from zerver.models.realms import clear_supported_auth_backends_cache, get_realm
 from zerver.models.users import PasswordTooWeakError, get_user_by_delivery_email
 from zerver.signals import JUST_CREATED_THRESHOLD
 from zerver.views.auth import log_into_subdomain, maybe_send_to_registration

zerver/tests/test_bots.py

@@ -24,9 +24,9 @@ from zerver.models import (
     Subscription,
     UserProfile,
     get_bot_services,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user, is_cross_realm_bot_email
 
 

zerver/tests/test_cache.py

@@ -21,7 +21,8 @@ from zerver.lib.cache import (
     validate_cache_key,
 )
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import UserProfile, get_realm
+from zerver.models import UserProfile
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot, get_user, get_user_profile_by_id
 
 

zerver/tests/test_custom_profile_data.py

@@ -20,8 +20,8 @@ from zerver.models import (
     CustomProfileFieldValue,
     UserProfile,
     custom_profile_fields_for_realm,
-    get_realm,
 )
+from zerver.models.realms import get_realm
 
 
 class CustomProfileFieldTestCase(ZulipTestCase):

zerver/tests/test_decorators.py

@@ -52,7 +52,8 @@ from zerver.lib.user_agent import parse_user_agent
 from zerver.lib.users import get_api_key
 from zerver.lib.utils import generate_api_key, has_api_key_format
 from zerver.middleware import LogRequests, parse_client
-from zerver.models import Client, Realm, UserProfile, clear_client_cache, get_realm
+from zerver.models import Client, Realm, UserProfile, clear_client_cache
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 
 if settings.ZILENCER_ENABLED:

zerver/tests/test_digest.py

@@ -33,9 +33,9 @@ from zerver.models import (
     Stream,
     UserActivityInterval,
     UserProfile,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 
 
 class TestDigestEmailMessages(ZulipTestCase):

zerver/tests/test_docs.py

@@ -14,7 +14,8 @@ from zerver.context_processors import get_apps_page_url
 from zerver.lib.integrations import CATEGORIES, INTEGRATIONS, META_CATEGORY
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import HostRequestMock
-from zerver.models import Realm, get_realm
+from zerver.models import Realm
+from zerver.models.realms import get_realm
 from zerver.views.documentation import add_api_url_context
 
 if TYPE_CHECKING:

zerver/tests/test_email_change.py

@@ -18,7 +18,8 @@ from zerver.actions.realm_settings import do_deactivate_realm, do_set_realm_prop
 from zerver.actions.user_settings import do_change_user_setting, do_start_email_change_process
 from zerver.actions.users import do_deactivate_user
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import EmailChangeStatus, UserProfile, get_realm
+from zerver.models import EmailChangeStatus, UserProfile
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user, get_user_by_delivery_email, get_user_profile_by_id
 
 

zerver/tests/test_email_mirror.py

@@ -37,7 +37,8 @@ from zerver.lib.send_email import FromAddress
 from zerver.lib.streams import ensure_stream
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import mock_queue_publish, most_recent_message, most_recent_usermessage
-from zerver.models import Attachment, Recipient, Stream, UserProfile, get_realm, get_stream
+from zerver.models import Attachment, Recipient, Stream, UserProfile, get_stream
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot
 from zerver.worker.queue_processors import MirrorWorker
 

zerver/tests/test_email_notifications.py

@@ -22,7 +22,8 @@ from zerver.lib.send_email import (
     send_custom_server_email,
 )
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import Realm, ScheduledEmail, UserProfile, get_realm
+from zerver.models import Realm, ScheduledEmail, UserProfile
+from zerver.models.realms import get_realm
 from zilencer.models import RemoteZulipServer
 
 

zerver/tests/test_embedded_bot_system.py

@@ -5,7 +5,8 @@ from typing_extensions import override
 
 from zerver.lib.bot_lib import EmbeddedBotQuitError
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import UserProfile, get_display_recipient, get_realm, get_service_profile
+from zerver.models import UserProfile, get_display_recipient, get_service_profile
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 
 

zerver/tests/test_event_system.py

@@ -34,9 +34,9 @@ from zerver.models import (
     UserPresence,
     UserProfile,
     get_client,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot
 from zerver.tornado.event_queue import (
     allocate_client_descriptor,

zerver/tests/test_example.py

@@ -11,7 +11,8 @@ from zerver.lib.streams import access_stream_for_send_message
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import most_recent_message
 from zerver.lib.users import is_administrator_role
-from zerver.models import UserProfile, UserStatus, get_realm, get_stream
+from zerver.models import UserProfile, UserStatus, get_stream
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user_by_delivery_email
 
 

zerver/tests/test_gitter_importer.py

@@ -10,7 +10,8 @@ import time_machine
 from zerver.data_import.gitter import do_convert_data, get_usermentions
 from zerver.lib.import_realm import do_import_realm
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import Message, UserProfile, get_realm
+from zerver.models import Message, UserProfile
+from zerver.models.realms import get_realm
 from zproject.backends import (
     AUTH_BACKEND_NAME_MAP,
     GitHubAuthBackend,

zerver/tests/test_home.py

@@ -24,15 +24,8 @@ from zerver.lib.soft_deactivation import do_soft_deactivate_users
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import get_user_messages, queries_captured
 from zerver.lib.timestamp import datetime_to_timestamp
-from zerver.models import (
-    DefaultStream,
-    Draft,
-    Realm,
-    UserActivity,
-    UserProfile,
-    get_realm,
-    get_stream,
-)
+from zerver.models import DefaultStream, Draft, Realm, UserActivity, UserProfile, get_stream
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot, get_user
 from zerver.worker.queue_processors import UserActivityWorker
 

zerver/tests/test_hotspots.py

@@ -10,7 +10,8 @@ from zerver.lib.hotspots import (
     get_next_onboarding_steps,
 )
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import OnboardingStep, UserProfile, get_realm
+from zerver.models import OnboardingStep, UserProfile
+from zerver.models.realms import get_realm
 
 
 # Splitting this out, since I imagine this will eventually have most of the

zerver/tests/test_import_export.py

@@ -86,10 +86,10 @@ from zerver.models import (
     get_active_streams,
     get_client,
     get_huddle_hash,
-    get_realm,
     get_stream,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot, get_user_by_delivery_email
 
 

zerver/tests/test_integrations_dev_panel.py

@@ -4,7 +4,8 @@ import orjson
 from django.core.exceptions import ValidationError
 
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import Message, Stream, get_realm
+from zerver.models import Message, Stream
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 
 

zerver/tests/test_invite.py

@@ -63,10 +63,10 @@ from zerver.models import (
     UserGroup,
     UserMessage,
     UserProfile,
-    get_realm,
     get_stream,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user_by_delivery_email
 from zerver.views.invite import INVITATION_LINK_VALIDITY_MINUTES, get_invitee_emails_set
 from zerver.views.registration import accounts_home

zerver/tests/test_management_commands.py

@@ -20,7 +20,8 @@ from zerver.actions.reactions import do_add_reaction
 from zerver.lib.management import ZulipBaseCommand, check_config
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import most_recent_message, stdout_suppressed
-from zerver.models import Message, Reaction, Realm, Recipient, UserProfile, get_realm, get_stream
+from zerver.models import Message, Reaction, Realm, Recipient, UserProfile, get_stream
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user_profile_by_email
 
 

zerver/tests/test_markdown.py

@@ -68,11 +68,11 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     get_client,
-    get_realm,
     get_stream,
     linkifiers_for_realm,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_realm
 
 
 class SimulatedFencedBlockPreprocessor(FencedBlockPreprocessor):

zerver/tests/test_mattermost_importer.py

@@ -28,7 +28,8 @@ from zerver.data_import.user_handler import UserHandler
 from zerver.lib.emoji import name_to_codepoint
 from zerver.lib.import_realm import do_import_realm
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import Message, Reaction, Recipient, UserProfile, get_realm
+from zerver.models import Message, Reaction, Recipient, UserProfile
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 
 

zerver/tests/test_message_dict.py

@@ -20,9 +20,9 @@ from zerver.models import (
     Stream,
     UserProfile,
     get_display_recipient,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 
 
 class MessageDictTest(ZulipTestCase):

zerver/tests/test_message_edit.py

@@ -38,11 +38,11 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     UserTopic,
-    get_realm,
     get_stream,
 )
 from zerver.models.constants import MAX_TOPIC_NAME_LENGTH
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_realm
 
 if TYPE_CHECKING:
     from django.test.client import _MonkeyPatchedWSGIResponse as TestHttpResponse

zerver/tests/test_message_fetch.py

@@ -58,9 +58,9 @@ from zerver.models import (
     UserProfile,
     UserTopic,
     get_display_recipient,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 from zerver.views.message_fetch import get_messages_backend
 
 if TYPE_CHECKING:

zerver/tests/test_message_flags.py

@@ -33,9 +33,9 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     UserTopic,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 
 if TYPE_CHECKING:
     from django.test.client import _MonkeyPatchedWSGIResponse as TestHttpResponse

zerver/tests/test_message_notification_emails.py

@@ -33,9 +33,9 @@ from zerver.models import (
     UserProfile,
     UserTopic,
     get_name_keyed_dict_for_active_realm_emoji,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 
 
 class TestMessageNotificationEmails(ZulipTestCase):

zerver/tests/test_message_send.py

@@ -57,11 +57,11 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     get_or_create_huddle,
-    get_realm,
     get_stream,
 )
 from zerver.models.constants import MAX_TOPIC_NAME_LENGTH
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot, get_user
 from zerver.views.message_send import InvalidMirrorInputError
 

zerver/tests/test_message_topics.py

@@ -6,7 +6,8 @@ from zerver.actions.streams import do_change_stream_permission
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import timeout_mock
 from zerver.lib.timeout import TimeoutExpiredError
-from zerver.models import Message, UserMessage, get_client, get_realm, get_stream
+from zerver.models import Message, UserMessage, get_client, get_stream
+from zerver.models.realms import get_realm
 
 
 class TopicHistoryTest(ZulipTestCase):

zerver/tests/test_middleware.py

@@ -11,7 +11,7 @@ from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import HostRequestMock
 from zerver.lib.utils import assert_is_not_none
 from zerver.middleware import LogRequests, is_slow_query, write_log_line
-from zerver.models import get_realm
+from zerver.models.realms import get_realm
 from zilencer.models import RemoteZulipServer
 
 

zerver/tests/test_mirror_users.py

@@ -8,7 +8,8 @@ from zerver.actions.message_send import create_mirror_user_if_needed
 from zerver.lib.create_user import create_user_profile
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import reset_email_visibility_to_everyone_in_zulip_realm
-from zerver.models import UserProfile, get_client, get_realm
+from zerver.models import UserProfile, get_client
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 from zerver.views.message_send import InvalidMirrorInputError, create_mirrored_message_users
 

zerver/tests/test_new_users.py

@@ -13,7 +13,8 @@ from zerver.actions.create_user import notify_new_user
 from zerver.actions.user_settings import do_change_user_setting
 from zerver.lib.initial_password import initial_password
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import Message, Realm, Recipient, Stream, UserProfile, get_realm
+from zerver.models import Message, Realm, Recipient, Stream, UserProfile
+from zerver.models.realms import get_realm
 from zerver.signals import JUST_CREATED_THRESHOLD, get_device_browser, get_device_os
 
 if sys.version_info < (3, 9):  # nocoverage

zerver/tests/test_outgoing_webhook_interfaces.py

@@ -12,7 +12,8 @@ from zerver.lib.outgoing_webhook import get_service_interface_class, process_suc
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.timestamp import datetime_to_timestamp
 from zerver.lib.topic import TOPIC_NAME
-from zerver.models import SLACK_INTERFACE, Message, NotificationTriggers, get_realm, get_stream
+from zerver.models import SLACK_INTERFACE, Message, NotificationTriggers, get_stream
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 from zerver.openapi.openapi import validate_against_openapi_schema
 

zerver/tests/test_outgoing_webhook_system.py

@@ -19,7 +19,8 @@ from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.topic import TOPIC_NAME
 from zerver.lib.url_encoding import near_message_url
 from zerver.lib.users import add_service
-from zerver.models import Recipient, Service, UserProfile, get_realm, get_stream
+from zerver.models import Recipient, Service, UserProfile, get_stream
+from zerver.models.realms import get_realm
 
 
 class ResponseMock:

zerver/tests/test_presence.py

@@ -18,8 +18,8 @@ from zerver.models import (
     UserActivityInterval,
     UserPresence,
     UserProfile,
-    get_realm,
 )
+from zerver.models.realms import get_realm
 
 
 class TestClientModel(ZulipTestCase):

zerver/tests/test_push_notifications.py

@@ -91,9 +91,9 @@ from zerver.models import (
     UserProfile,
     UserTopic,
     get_client,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 from zilencer.models import RemoteZulipServerAuditLog
 from zilencer.views import DevicesToCleanUpDict
 

zerver/tests/test_queue_worker.py

@@ -32,9 +32,9 @@ from zerver.models import (
     UserActivity,
     UserProfile,
     get_client,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 from zerver.tornado.event_queue import build_offline_notification
 from zerver.worker import queue_processors
 from zerver.worker.queue_processors import (

zerver/tests/test_reactions.py

@@ -12,7 +12,8 @@ from zerver.lib.exceptions import JsonableError
 from zerver.lib.message import extract_message_dict
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import zulip_reaction_info
-from zerver.models import Message, Reaction, RealmEmoji, UserMessage, get_realm
+from zerver.models import Message, Reaction, RealmEmoji, UserMessage
+from zerver.models.realms import get_realm
 
 if TYPE_CHECKING:
     from django.test.client import _MonkeyPatchedWSGIResponse as TestHttpResponse

zerver/tests/test_realm.py

@@ -53,10 +53,10 @@ from zerver.models import (
     UserGroupMembership,
     UserMessage,
     UserProfile,
-    get_realm,
     get_stream,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot, get_user_profile_by_id
 
 

zerver/tests/test_realm_domains.py

@@ -10,7 +10,8 @@ from zerver.actions.users import do_change_user_role
 from zerver.lib.domains import validate_domain
 from zerver.lib.email_validation import email_allowed_for_realm
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import DomainNotAllowedForRealmError, RealmDomain, UserProfile, get_realm
+from zerver.models import RealmDomain, UserProfile
+from zerver.models.realms import DomainNotAllowedForRealmError, get_realm
 
 
 class RealmDomainTest(ZulipTestCase):

zerver/tests/test_realm_emoji.py

@@ -9,7 +9,8 @@ from zerver.lib.exceptions import JsonableError
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import get_test_image_file
 from zerver.lib.upload.base import BadImageError
-from zerver.models import Realm, RealmEmoji, UserProfile, get_realm
+from zerver.models import Realm, RealmEmoji, UserProfile
+from zerver.models.realms import get_realm
 
 
 class RealmEmojiTest(ZulipTestCase):

zerver/tests/test_realm_playgrounds.py

@@ -1,6 +1,7 @@
 from zerver.actions.realm_playgrounds import check_add_realm_playground
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import RealmPlayground, get_realm
+from zerver.models import RealmPlayground
+from zerver.models.realms import get_realm
 
 
 class RealmPlaygroundTests(ZulipTestCase):

zerver/tests/test_retention.py

@@ -38,9 +38,9 @@ from zerver.models import (
     SubMessage,
     UserMessage,
     get_client,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot
 
 # Class with helper functions useful for testing archiving of reactions:

zerver/tests/test_rocketchat_importer.py

@@ -28,7 +28,8 @@ from zerver.data_import.user_handler import UserHandler
 from zerver.lib.emoji import name_to_codepoint
 from zerver.lib.import_realm import do_import_realm
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import Message, Reaction, Recipient, UserProfile, get_realm
+from zerver.models import Message, Reaction, Recipient, UserProfile
+from zerver.models.realms import get_realm
 from zerver.models.users import get_user
 
 

zerver/tests/test_scim.py

@@ -10,7 +10,8 @@ from typing_extensions import override
 from zerver.actions.user_settings import do_change_full_name
 from zerver.lib.scim import ZulipSCIMUser
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import UserProfile, get_realm
+from zerver.models import UserProfile
+from zerver.models.realms import get_realm
 
 if TYPE_CHECKING:
     from django.test.client import _MonkeyPatchedWSGIResponse as TestHttpResponse

zerver/tests/test_service_bot_system.py

@@ -15,7 +15,8 @@ from zerver.lib.bot_storage import StateError
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import mock_queue_publish
 from zerver.lib.validator import check_string
-from zerver.models import NotificationTriggers, Recipient, UserProfile, get_realm
+from zerver.models import NotificationTriggers, Recipient, UserProfile
+from zerver.models.realms import get_realm
 
 BOT_TYPE_TO_QUEUE_NAME = {
     UserProfile.OUTGOING_WEBHOOK_BOT: "outgoing_webhooks",

zerver/tests/test_sessions.py

@@ -18,7 +18,8 @@ from zerver.lib.sessions import (
     user_sessions,
 )
 from zerver.lib.test_classes import ZulipTestCase
-from zerver.models import Realm, UserProfile, get_realm
+from zerver.models import Realm, UserProfile
+from zerver.models.realms import get_realm
 
 
 class TestSessions(ZulipTestCase):

zerver/tests/test_signup.py

@@ -76,9 +76,9 @@ from zerver.models import (
     Subscription,
     UserMessage,
     UserProfile,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot, get_user, get_user_by_delivery_email
 from zerver.views.auth import redirect_and_log_into_subdomain, start_two_factor_auth
 from zerver.views.development.registration import confirmation_key

zerver/tests/test_slack_importer.py

@@ -48,7 +48,8 @@ from zerver.lib.import_realm import do_import_realm
 from zerver.lib.test_classes import ZulipTestCase
 from zerver.lib.test_helpers import read_test_image_file
 from zerver.lib.topic import EXPORT_TOPIC_NAME
-from zerver.models import Message, Realm, RealmAuditLog, Recipient, UserProfile, get_realm
+from zerver.models import Message, Realm, RealmAuditLog, Recipient, UserProfile
+from zerver.models.realms import get_realm
 
 
 def remove_folder(path: str) -> None:

zerver/tests/test_soft_deactivation.py

@@ -27,9 +27,9 @@ from zerver.models import (
     UserActivity,
     UserMessage,
     UserProfile,
-    get_realm,
     get_stream,
 )
+from zerver.models.realms import get_realm
 
 logger_string = "zulip.soft_deactivation"
 

zerver/tests/test_subs.py

@@ -105,11 +105,11 @@ from zerver.models import (
     UserMessage,
     UserProfile,
     get_default_stream_groups,
-    get_realm,
     get_stream,
     validate_attachment_request,
     validate_attachment_request_for_spectator_access,
 )
+from zerver.models.realms import get_realm
 from zerver.models.users import active_non_guest_user_ids, get_user, get_user_profile_by_id_in_realm
 from zerver.views.streams import compose_views
 

zerver/tests/test_upload.py

@@ -45,9 +45,9 @@ from zerver.models import (
     Realm,
     RealmDomain,
     UserProfile,
-    get_realm,
     validate_attachment_request,
 )
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot, get_user_by_delivery_email
 
 

zerver/tests/test_upload_local.py

@@ -22,7 +22,8 @@ from zerver.lib.upload import (
 )
 from zerver.lib.upload.base import DEFAULT_EMOJI_SIZE, MEDIUM_AVATAR_SIZE, resize_avatar
 from zerver.lib.upload.local import write_local_file
-from zerver.models import Attachment, RealmEmoji, get_realm
+from zerver.models import Attachment, RealmEmoji
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot
 
 

zerver/tests/test_upload_s3.py

@@ -36,7 +36,8 @@ from zerver.lib.upload.base import (
     resize_avatar,
 )
 from zerver.lib.upload.s3 import S3UploadBackend
-from zerver.models import Attachment, RealmEmoji, UserProfile, get_realm
+from zerver.models import Attachment, RealmEmoji, UserProfile
+from zerver.models.realms import get_realm
 from zerver.models.users import get_system_bot
 
 

zerver/tests/test_user_groups.py

@@ -32,15 +32,9 @@ from zerver.lib.user_groups import (
     is_user_in_group,
     user_groups_in_realm_serialized,
 )
-from zerver.models import (
-    GroupGroupMembership,
-    Realm,
-    UserGroup,
-    UserGroupMembership,
-    UserProfile,
-    get_realm,
-)
+from zerver.models import GroupGroupMembership, Realm, UserGroup, UserGroupMembership, UserProfile
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import get_realm
 
 
 class UserGroupTestCase(ZulipTestCase):

zerver/tests/test_users.py

@@ -59,7 +59,6 @@ from zerver.lib.users import (
 from zerver.lib.utils import assert_is_not_none
 from zerver.models import (
     CustomProfileField,
-    InvalidFakeEmailDomainError,
     Message,
     OnboardingStep,
     PreregistrationUser,
@@ -76,11 +75,10 @@ from zerver.models import (
     check_valid_user_ids,
     filter_to_valid_prereg_users,
     get_client,
-    get_fake_email_domain,
-    get_realm,
     get_stream,
 )
 from zerver.models.groups import SystemGroups
+from zerver.models.realms import InvalidFakeEmailDomainError, get_fake_email_domain, get_realm
 from zerver.models.users import (
     get_source_profile,
     get_system_bot,