zulip/mypy.ini

[mypy]
# Logistics of what code to check and how to handle the data.
scripts_are_modules = True
show_traceback = True
cache_dir = var/mypy-cache

# Options to make the checking stricter.
check_untyped_defs = True
disallow_untyped_defs = True
disallow_any_generics = True
warn_no_return = True
strict_optional = True
no_implicit_optional = True

# It's useful to try this occasionally, and keep it clean; but when
# someone fixes a type error we don't want to add a burden for them.
#warn_unused_ignores = True

# Options to make the checking *less* strict, which we
# might ideally eliminate.
follow_imports = silent
ignore_missing_imports = True


# REQ returning None issue

[mypy-zerver.decorator]
strict_optional = False
[mypy-zerver.views.zephyr]
strict_optional = False
[mypy-zerver.views.user_settings]
strict_optional = False
[mypy-zerver.views.streams]
strict_optional = False
[mypy-zerver.views.storage]
strict_optional = False
[mypy-zerver.views.report]
strict_optional = False
[mypy-zerver.views.integrations]
strict_optional = False
[mypy-zerver.tornado.views]
strict_optional = False
[mypy-zerver.views.events_register]
strict_optional = False

[mypy-zerver.lib.webhooks.common]
strict_optional = False
[mypy-zerver.webhooks.yo.view]
strict_optional = False
[mypy-zerver.webhooks.transifex.view]
strict_optional = False
[mypy-zerver.webhooks.newrelic.view]
strict_optional = False
[mypy-zerver.webhooks.gogs.view]
strict_optional = False
[mypy-zerver.webhooks.gitlab.view]
strict_optional = False
[mypy-zerver.webhooks.github.view]
strict_optional = False
[mypy-zerver.webhooks.bitbucket.view]
strict_optional = False
[mypy-zerver.webhooks.bitbucket2.view]
strict_optional = False
[mypy-zerver.webhooks.beanstalk.view]
strict_optional = False

[mypy-zerver.views.auth]  # Other issues in this file too
strict_optional = False
[mypy-zerver.views.realm]  # Other issues in this file too
strict_optional = False
[mypy-zerver.views.messages]  # Other issues in this file too
strict_optional = False
[mypy-zerver.views.users]  # Other issues in this file too
strict_optional = False

# One change required?

[mypy-zerver.lib.notifications]  # line 122: Using group from regex, which might return None
strict_optional = False
[mypy-zerver.lib.avatar]  # str vs Optional[str]
strict_optional = False
[mypy-zerver.lib.soft_deactivation]
strict_optional = False
[mypy-zerver.lib.events]  # signup_notifications_stream is Optional, but accessing id property
strict_optional = False
[mypy-zerver.lib.exceptions]  #21: error: Return type of "__reduce_ex__" incompatible with supertype "object"
strict_optional = False
[mypy-zerver.lib.bugdown.api_arguments_table_generator]  #18: error: Item "None" of "Optional[Dict[str, Any]]" has no attribute "items"
strict_optional = False
[mypy-zerver.lib.message]  #868: error: Unsupported operand types for - ("Optional[int]" and "int")
strict_optional = False

[mypy-zerver.migrations.0077_add_file_name_field_to_realm_emoji]  #73: error: Argument 2 to "upload_files" of "Uploader" has incompatible type "Optional[bytes]"; expected "bytes"
strict_optional = False

[mypy-zerver/management/commands/check_redis]  #32: error: Incompatible types in assignment (expression has type "None", variable has type "UserProfile")
strict_optional = False

[mypy-zilencer.management.commands.calculate_first_visible_message_id]  #33: error: Argument 1 to "maybe_update_first_visible_message_id" has incompatible type "Optional[Realm]"; expected "Realm"
strict_optional = False
[mypy-zilencer.management.commands.add_new_realm]  #22: error: List item 0 has incompatible type "Optional[Stream]"; expected "Stream"
strict_optional = False

# Re-architecting required?

[mypy-zerver.lib.queue]  # Delayed setup of SimpleQueueClient.channel (Optional)
strict_optional = False
[mypy-zerver/management/commands/purge_queue]  #24: error: Item "None" of "Optional[Any]" has no attribute "queue_purge"
strict_optional = False

[mypy-zerver.tornado.handlers]  # Delayed setup of ASyncDjangoHandler._request_middleware (Optional), line 200 error
strict_optional = False

[mypy-zerver.tornado.descriptors]  # line 10: 'get' can return None; only used in zerver/tornado/handlers?
strict_optional = False

# Tests (may be many issues in file; comment is just one error noted)

[mypy-zerver/tests/test_tornado]  #202: error: Item "None" of "Optional[Morsel[Any]]" has no attribute "coded_value"
strict_optional = False
[mypy-zerver/tests/test_slack_importer]  #70: error: Argument 1 to "MockResponse" has incompatible type "None"; expected "Dict[str, Any]"
strict_optional = False
[mypy-zerver/tests/test_service_bot_system]  #312: error: Argument 1 to "set_bot_config" has incompatible type "Optional[UserProfile]"; expected "UserProfile"
strict_optional = False
[mypy-zerver/tests/test_outgoing_webhook_system]  #33: error: Argument 1 to "MockServiceHandler" has incompatible type "None"; expected "str"
strict_optional = False
[mypy-zerver/tests/test_outgoing_webhook_interfaces]  #22: error: Argument "user_profile" to "GenericOutgoingWebhookService" has incompatible type "None"; expected "UserProfile"
strict_optional = False
[mypy-zerver/tests/test_narrow]  #515: error: Incompatible types in assignment (expression has type "None", variable has type "int")
strict_optional = False
[mypy-zerver/tests/test_logging_handlers]  #73: error: Argument 7 to "makeRecord" of "Logger" has incompatible type "Tuple[Optional[Type[BaseException]], Optional[BaseException], Optional[TracebackType]]"; expected "Union[Tuple[type, BaseException, TracebackType], Tuple[None, None, None], None]"
strict_optional = False
[mypy-zerver/tests/test_link_embed]  #53: error: Value of type "Optional[Dict[Any, Any]]" is not indexable
strict_optional = False
[mypy-zerver/tests/test_embedded_bot_system]  #26: error: Item "None" of "Optional[UserProfile]" has no attribute "email"
strict_optional = False
[mypy-zerver/tests/test_decorators]  #1322: error: Item "None" of "Optional[Match[str]]" has no attribute "groupdict"
strict_optional = False
[mypy-zerver/tests/test_auth_backends]  #2079: error: Incompatible types in assignment (expression has type "Optional[UserProfile]", variable has type "UserProfile")
strict_optional = False
[mypy-zerver/tests/test_subs]  #2916: error: Item "None" of "Optional[Subscription]" has no attribute "recipient"
strict_optional = False
[mypy-zerver/tests/test_signup]  #1954: error: Item "None" of "Optional[Match[Any]]" has no attribute "groups"
strict_optional = False
[mypy-zerver/tests/test_realm]  #191: error: Item "None" of "Optional[Stream]" has no attribute "id"
strict_optional = False
[mypy-zerver/tests/test_messages]  #3070: error: Incompatible types in assignment (expression has type "None", variable has type "int")
strict_optional = False
[mypy-zerver/tests/test_events]  #1365: error: Argument 2 to "do_set_realm_notifications_stream" has incompatible type "Optional[Stream]"; expected "Stream"
strict_optional = False
[mypy-zerver/tests/test_docs]  #131: error: Argument 1 to "isfile" has incompatible type "Optional[str]"; expected "Union[bytes, str]"
strict_optional = False

# General exclusions to work on

[mypy-zerver.lib.test_helpers]
strict_optional = False
[mypy-zerver.lib.test_classes]
strict_optional = False

[mypy-zerver.tornado.event_queue]
strict_optional = False
[mypy-zerver.lib.outgoing_webhook]
strict_optional = False
[mypy-zerver.lib.bugdown]  # for __init__.py
strict_optional = False
[mypy-zerver.lib.push_notifications]
strict_optional = False
[mypy-zerver.lib.actions]
strict_optional = False
[mypy-zproject.backends]
strict_optional = False
[mypy-zerver.worker.queue_processors]
strict_optional = False
[mypy-zerver.tornado.websocket_client]
strict_optional = False
[mypy-zerver.lib.slack_message_conversion]
strict_optional = False
[mypy-zerver.views.registration]
strict_optional = False

[mypy-tools.lib.html_branches]
strict_optional = False