fix: strict optional errors (#1759)

* fix strict optional errors

* fix typing in repository

* fix backup db files location

* update workspace settings

.vscode/settings.json

@@ -1,10 +1,4 @@
 {
-  "conventionalCommits.scopes": [
-    "frontend",
-    "docs",
-    "backend",
-    "code-generation"
-  ],
   "cSpell.enableFiletypes": ["!javascript", "!python", "!yaml"],
   "cSpell.words": [
     "chowdown",
@@ -44,7 +38,7 @@
   "python.testing.unittestEnabled": false,
   "python.analysis.typeCheckingMode": "off",
   "python.linting.mypyEnabled": true,
-  "python.sortImports.path": "${workspaceFolder}/.venv/bin/isort",
+  "isort.path": ["${workspaceFolder}/.venv/bin/isort"],
   "search.mode": "reuseEditor",
   "python.testing.unittestArgs": ["-v", "-s", "./tests", "-p", "test_*.py"],
   "explorer.fileNesting.enabled": true,

mealie/core/dependencies/dependencies.py

@@ -117,35 +117,58 @@ def validate_long_live_token(session: Session, client_token: str, user_id: str)
 
 
 def validate_file_token(token: Optional[str] = None) -> Path:
-    credentials_exception = HTTPException(
+    """
-        status_code=status.HTTP_401_UNAUTHORIZED,
+    Args:
-        detail="could not validate file token",
+        token (Optional[str], optional): _description_. Defaults to None.
-    )
+
+    Raises:
+        HTTPException: 400 Bad Request when no token or the file doesn't exist
+        HTTPException: 401 Unauthorized when the token is invalid
+    """
     if not token:
-        return None
+        raise HTTPException(status.HTTP_400_BAD_REQUEST)
 
     try:
         payload = jwt.decode(token, settings.SECRET, algorithms=[ALGORITHM])
         file_path = Path(payload.get("file"))
     except JWTError as e:
-        raise credentials_exception from e
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="could not validate file token",
+        ) from e
+
+    if not file_path.exists():
+        raise HTTPException(status.HTTP_400_BAD_REQUEST)
 
     return file_path
 
 
 def validate_recipe_token(token: Optional[str] = None) -> str:
-    credentials_exception = HTTPException(
+    """
-        status_code=status.HTTP_401_UNAUTHORIZED,
+    Args:
-        detail="could not validate file token",
+        token (Optional[str], optional): _description_. Defaults to None.
-    )
+
+    Raises:
+        HTTPException: 400 Bad Request when no token or the recipe doesn't exist
+        HTTPException: 401 JWTError when token is invalid
+
+    Returns:
+        str: token data
+    """
     if not token:
-        return None
+        raise HTTPException(status.HTTP_400_BAD_REQUEST)
 
     try:
         payload = jwt.decode(token, settings.SECRET, algorithms=[ALGORITHM])
-        slug = payload.get("slug")
+        slug: str | None = payload.get("slug")
     except JWTError as e:
-        raise credentials_exception from e
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="could not validate file token",
+        ) from e
+
+    if slug is None:
+        raise HTTPException(status.HTTP_400_BAD_REQUEST)
 
     return slug
 

mealie/core/exceptions.py

@@ -3,6 +3,17 @@ from sqlite3 import IntegrityError
 from mealie.lang.providers import Translator
 
 
+class UnexpectedNone(Exception):
+    """Exception raised when a value is None when it should not be."""
+
+    def __init__(self, message: str = "Unexpected None Value"):
+        self.message = message
+        super().__init__(self.message)
+
+    def __str__(self):
+        return f"{self.message}"
+
+
 class PermissionDenied(Exception):
     """
     This exception is raised when a user tries to access a resource that they do not have permission to access.

mealie/core/security/security.py

@@ -62,11 +62,16 @@ def user_from_ldap(db: AllRepositories, username: str, password: str) -> Private
         conn.set_option(ldap.OPT_X_TLS_CACERTFILE, settings.LDAP_TLS_CACERTFILE)
         conn.set_option(ldap.OPT_X_TLS_NEWCTX, 0)
     user = db.users.get_one(username, "email", any_case=True)
+
+    if not settings.LDAP_BIND_TEMPLATE:
+        return False
+
     if not user:
         user_bind = settings.LDAP_BIND_TEMPLATE.format(username)
         user = db.users.get_one(username, "username", any_case=True)
     else:
         user_bind = settings.LDAP_BIND_TEMPLATE.format(user.username)
+
     try:
         conn.simple_bind_s(user_bind, password)
     except (ldap.INVALID_CREDENTIALS, ldap.NO_SUCH_OBJECT):
@@ -86,7 +91,7 @@ def user_from_ldap(db: AllRepositories, username: str, password: str) -> Private
     else:
         return False
 
-    if not user:
+    if user is None:
         user = db.users.create(
             {
                 "username": username,
@@ -96,6 +101,7 @@ def user_from_ldap(db: AllRepositories, username: str, password: str) -> Private
                 "admin": False,
             },
         )
+
     if settings.LDAP_ADMIN_FILTER:
         user.admin = len(conn.search_s(user_dn, ldap.SCOPE_BASE, settings.LDAP_ADMIN_FILTER, [])) > 0
         db.users.update(user.id, user)

mealie/core/settings/settings.py

@@ -93,18 +93,18 @@ class AppSettings(BaseSettings):
 
     @staticmethod
     def validate_smtp(
-        host: str,
+        host: str | None,
-        port: str,
+        port: str | None,
-        from_name: str,
+        from_name: str | None,
-        from_email: str,
+        from_email: str | None,
-        strategy: str,
+        strategy: str | None,
         user: str | None = None,
         password: str | None = None,
     ) -> bool:
         """Validates all SMTP variables are set"""
         required = {host, port, from_name, from_email, strategy}
 
-        if strategy.upper() in {"TLS", "SSL"}:
+        if strategy and strategy.upper() in {"TLS", "SSL"}:
             required.add(user)
             required.add(password)
 

mealie/db/models/recipe/recipe.py

@@ -138,13 +138,19 @@ class RecipeModel(SqlAlchemyBase, BaseMixins):
         **_,
     ) -> None:
         self.nutrition = Nutrition(**nutrition) if nutrition else Nutrition()
-        self.recipe_instructions = [RecipeInstruction(**step, session=session) for step in recipe_instructions]
-        self.recipe_ingredient = [RecipeIngredient(**ingr, session=session) for ingr in recipe_ingredient]
-        self.assets = [RecipeAsset(**a) for a in assets]
 
-        # Mealie Specific
+        if recipe_instructions:
+            self.recipe_instructions = [RecipeInstruction(**step, session=session) for step in recipe_instructions]
+
+        if recipe_ingredient:
+            self.recipe_ingredient = [RecipeIngredient(**ingr, session=session) for ingr in recipe_ingredient]
+
+        if assets:
+            self.assets = [RecipeAsset(**a) for a in assets]
+
         self.settings = RecipeSettings(**settings) if settings else RecipeSettings()
-        self.notes = [Note(**note) for note in notes]
 
-        # Time Stampes
+        if notes:
+            self.notes = [Note(**n) for n in notes]
+
         self.date_updated = datetime.datetime.now()

mealie/repos/__init__.py

@@ -1 +1,5 @@
 from .repository_factory import AllRepositories
+
+__all__ = [
+    "AllRepositories",
+]

mealie/repos/repository_generic.py

@@ -1,5 +1,7 @@
+from __future__ import annotations
+
 from math import ceil
-from typing import Any, Generic, TypeVar, Union
+from typing import Any, Generic, TypeVar
 
 from fastapi import HTTPException
 from pydantic import UUID4, BaseModel
@@ -24,8 +26,8 @@ class RepositoryGeneric(Generic[Schema, Model]):
         Generic ([Model]): Represents the SqlAlchemyModel Model
     """
 
-    user_id: UUID4 = None
+    user_id: UUID4 | None = None
-    group_id: UUID4 = None
+    group_id: UUID4 | None = None
 
     def __init__(self, session: Session, primary_key: str, sql_model: type[Model], schema: type[Schema]) -> None:
         self.session = session
@@ -35,11 +37,11 @@ class RepositoryGeneric(Generic[Schema, Model]):
 
         self.logger = get_logger()
 
-    def by_user(self, user_id: UUID4) -> "RepositoryGeneric[Schema, Model]":
+    def by_user(self, user_id: UUID4) -> RepositoryGeneric[Schema, Model]:
         self.user_id = user_id
         return self
 
-    def by_group(self, group_id: UUID4) -> "RepositoryGeneric[Schema, Model]":
+    def by_group(self, group_id: UUID4) -> RepositoryGeneric[Schema, Model]:
         self.group_id = group_id
         return self
 
@@ -221,7 +223,7 @@ class RepositoryGeneric(Generic[Schema, Model]):
         attr_match: str = None,
         count=True,
         override_schema=None,
-    ) -> Union[int, list[Schema]]:  # sourcery skip: assign-if-exp
+    ) -> int | list[Schema]:  # sourcery skip: assign-if-exp
         eff_schema = override_schema or self.schema
 
         q = self._query().filter(attribute_name == attr_match)

mealie/routes/users/favorites.py

@@ -19,6 +19,10 @@ class UserFavoritesController(BaseUserController):
     def add_favorite(self, id: UUID4, slug: str):
         """Adds a Recipe to the users favorites"""
         assert_user_change_allowed(id, self.user)
+
+        if not self.user.favorite_recipes:
+            self.user.favorite_recipes = []
+
         self.user.favorite_recipes.append(slug)
         self.repos.users.update(self.user.id, self.user)
 
@@ -26,6 +30,10 @@ class UserFavoritesController(BaseUserController):
     def remove_favorite(self, id: UUID4, slug: str):
         """Adds a Recipe to the users favorites"""
         assert_user_change_allowed(id, self.user)
+
+        if not self.user.favorite_recipes:
+            self.user.favorite_recipes = []
+
         self.user.favorite_recipes = [x for x in self.user.favorite_recipes if x != slug]
         self.repos.users.update(self.user.id, self.user)
         return

mealie/routes/utility_routes.py

@@ -1,5 +1,4 @@
 from pathlib import Path
-from typing import Optional
 
 from fastapi import APIRouter, Depends, HTTPException, status
 from starlette.responses import FileResponse
@@ -10,7 +9,7 @@ router = APIRouter(prefix="/api/utils", tags=["Utils"], include_in_schema=True)
 
 
 @router.get("/download")
-async def download_file(file_path: Optional[Path] = Depends(validate_file_token)):
+async def download_file(file_path: Path = Depends(validate_file_token)):
     """Uses a file token obtained by an active user to retrieve a file from the operating
     system."""
     if not file_path.is_file():

mealie/schema/admin/email.py

@@ -7,7 +7,7 @@ class EmailReady(MealieModel):
 
 class EmailSuccess(MealieModel):
     success: bool
-    error: str = None
+    error: str | None = None
 
 
 class EmailTest(MealieModel):

mealie/schema/group/group_shopping_list.py

@@ -34,9 +34,9 @@ class ShoppingListItemCreate(MealieModel):
 
     note: str | None = ""
     quantity: float = 1
-    unit_id: UUID4 = None
+    unit_id: UUID4 | None = None
     unit: IngredientUnit | None
-    food_id: UUID4 = None
+    food_id: UUID4 | None = None
     food: IngredientFood | None
 
     label_id: UUID4 | None = None
@@ -67,7 +67,7 @@ class ShoppingListItemOut(ShoppingListItemUpdate):
 
 
 class ShoppingListCreate(MealieModel):
-    name: str = None
+    name: str | None = None
     extras: dict | None = {}
 
     created_at: datetime | None

mealie/schema/recipe/recipe.py

@@ -25,7 +25,7 @@ app_dirs = get_app_dirs()
 
 
 class RecipeTag(MealieModel):
-    id: UUID4 = None
+    id: UUID4 | None = None
     name: str
     slug: str
 
@@ -56,8 +56,8 @@ class RecipeToolPagination(PaginationBase):
 
 class CreateRecipeBulk(BaseModel):
     url: str
-    categories: list[RecipeCategory] = None
+    categories: list[RecipeCategory] | None = None
-    tags: list[RecipeTag] = None
+    tags: list[RecipeTag] | None = None
 
 
 class CreateRecipeByUrlBulk(BaseModel):

mealie/schema/response/pagination.py

@@ -21,7 +21,7 @@ class PaginationQuery(MealieModel):
     per_page: int = 50
     order_by: str = "created_at"
     order_direction: OrderDirection = OrderDirection.desc
-    query_filter: str = None
+    query_filter: str | None = None
 
 
 class PaginationBase(GenericModel, Generic[DataT]):
@@ -52,15 +52,12 @@ class PaginationBase(GenericModel, Generic[DataT]):
         self.previous = PaginationBase.merge_query_parameters(route, query_params)
 
     def set_pagination_guides(self, route: str, query_params: dict[str, Any] | None) -> None:
-        if not query_params:
+        valid_dict: dict[str, Any] = camelize(query_params) if query_params else {}
-            query_params = {}
-
-        query_params = camelize(query_params)
 
         # sanitize user input
         self.page = max(self.page, 1)
-        self._set_next(route, query_params)
+        self._set_next(route, valid_dict)
-        self._set_prev(route, query_params)
+        self._set_prev(route, valid_dict)
 
     @staticmethod
     def merge_query_parameters(url: str, params: dict[str, Any]):

mealie/services/backups_v2/alchemy_exporter.py

@@ -21,9 +21,9 @@ class AlchemyExporter(BaseService):
     look_for_time = {"scheduled_time"}
 
     class DateTimeParser(BaseModel):
-        date: datetime.date = None
+        date: datetime.date | None = None
-        dt: datetime.datetime = None
+        dt: datetime.datetime | None = None
-        time: datetime.time = None
+        time: datetime.time | None = None
 
     def __init__(self, connection_str: str) -> None:
         super().__init__()

mealie/services/backups_v2/backup_file.py

@@ -5,7 +5,7 @@ from pathlib import Path
 
 
 class BackupContents:
-    _tables: dict = None
+    _tables: dict | None = None
 
     def __init__(self, file: Path) -> None:
         self.base = file

mealie/services/backups_v2/backup_v2.py

@@ -17,15 +17,17 @@ class BackupV2(BaseService):
     def __init__(self, db_url: str = None) -> None:
         super().__init__()
 
-        self.db_url = db_url or self.settings.DB_URL
+        # type - one of these has to be a string
+        self.db_url: str = db_url or self.settings.DB_URL  # type: ignore
+
         self.db_exporter = AlchemyExporter(self.db_url)
 
     def _sqlite(self) -> None:
-        db_file = self.settings.DB_URL.removeprefix("sqlite:///")
+        db_file = self.settings.DB_URL.removeprefix("sqlite:///")  # type: ignore
 
         # Create a backup of the SQLite database
         timestamp = datetime.datetime.now().strftime("%Y.%m.%d")
-        shutil.copy(db_file, f"mealie_{timestamp}.bak.db")
+        shutil.copy(db_file, self.directories.DATA_DIR.joinpath(f"mealie_{timestamp}.bak.db"))
 
     def _postgres(self) -> None:
         pass

mealie/services/email/email_senders.py

@@ -11,8 +11,8 @@ from mealie.services._base_service import BaseService
 class EmailOptions:
     host: str
     port: int
-    username: str = None
+    username: str | None = None
-    password: str = None
+    password: str | None = None
     tls: bool = False
     ssl: bool = False
 
@@ -39,7 +39,9 @@ class Message:
 
         if smtp.ssl:
             with smtplib.SMTP_SSL(smtp.host, smtp.port) as server:
-                server.login(smtp.username, smtp.password)
+                if smtp.username and smtp.password:
+                    server.login(smtp.username, smtp.password)
+
                 errors = server.send_message(msg)
         else:
             with smtplib.SMTP(smtp.host, smtp.port) as server:
@@ -66,17 +68,24 @@ class DefaultEmailSender(ABCEmailSender, BaseService):
     """
 
     def send(self, email_to: str, subject: str, html: str) -> bool:
+
+        if self.settings.SMTP_FROM_EMAIL is None or self.settings.SMTP_FROM_NAME is None:
+            raise ValueError("SMTP_FROM_EMAIL and SMTP_FROM_NAME must be set in the config file.")
+
         message = Message(
             subject=subject,
             html=html,
             mail_from=(self.settings.SMTP_FROM_NAME, self.settings.SMTP_FROM_EMAIL),
         )
 
+        if self.settings.SMTP_HOST is None or self.settings.SMTP_PORT is None:
+            raise ValueError("SMTP_HOST, SMTP_PORT must be set in the config file.")
+
         smtp_options = EmailOptions(
             self.settings.SMTP_HOST,
             int(self.settings.SMTP_PORT),
-            tls=self.settings.SMTP_AUTH_STRATEGY.upper() == "TLS",
+            tls=self.settings.SMTP_AUTH_STRATEGY.upper() == "TLS" if self.settings.SMTP_AUTH_STRATEGY else False,
-            ssl=self.settings.SMTP_AUTH_STRATEGY.upper() == "SSL",
+            ssl=self.settings.SMTP_AUTH_STRATEGY.upper() == "SSL" if self.settings.SMTP_AUTH_STRATEGY else False,
         )
 
         if self.settings.SMTP_USER:

mealie/services/event_bus_service/event_bus_listeners.py

@@ -41,7 +41,7 @@ class EventListenerBase(ABC):
         ...
 
     @contextlib.contextmanager
-    def ensure_session(self) -> Generator[None, None, None]:
+    def ensure_session(self) -> Generator[Session, None, None]:
         """
         ensure_session ensures that a session is available for the caller by checking if a session
         was provided during construction, and if not, creating a new session with the `with_session`
@@ -54,10 +54,9 @@ class EventListenerBase(ABC):
         if self.session is None:
             with session_context() as session:
                 self.session = session
-                yield
+                yield self.session
-
         else:
-            yield
+            yield self.session
 
 
 class AppriseEventListener(EventListenerBase):
@@ -87,7 +86,7 @@ class AppriseEventListener(EventListenerBase):
             "integration_id": event.integration_id,
             "document_data": json.dumps(jsonable_encoder(event.document_data)),
             "event_id": str(event.event_id),
-            "timestamp": event.timestamp.isoformat(),
+            "timestamp": event.timestamp.isoformat() if event.timestamp else None,
         }
 
         return [
@@ -148,9 +147,9 @@ class WebhookEventListener(EventListenerBase):
 
     def get_scheduled_webhooks(self, start_dt: datetime, end_dt: datetime) -> list[ReadWebhook]:
         """Fetches all scheduled webhooks from the database"""
-        with self.ensure_session():
+        with self.ensure_session() as session:
             return (
-                self.session.query(GroupWebhooksModel)
+                session.query(GroupWebhooksModel)
                 .where(
                     GroupWebhooksModel.enabled == True,  # noqa: E712 - required for SQLAlchemy comparison
                     GroupWebhooksModel.scheduled_time > start_dt.astimezone(timezone.utc).time(),

mealie/services/group_services/service_group_meals.py

@@ -1,29 +0,0 @@
-import random
-
-from pydantic import UUID4
-
-from mealie.repos.repository_factory import AllRepositories
-from mealie.schema.recipe.recipe import Recipe, RecipeCategory
-from mealie.services._base_service import BaseService
-
-
-class MealPlanService(BaseService):
-    def __init__(self, group_id: UUID4, repos: AllRepositories):
-        self.group_id = group_id
-        self.repos = repos
-
-    def get_random_recipe(self, categories: list[RecipeCategory] = None) -> Recipe:
-        """get_random_recipe returns a single recipe matching a specific criteria of
-        categories. if no categories are provided, a single recipe is returned from the
-        entire recipe database.
-
-        Note that the recipe must contain ALL categories in the list provided.
-
-        Args:
-            categories (list[RecipeCategory], optional): [description]. Defaults to None.
-
-        Returns:
-            Recipe: [description]
-        """
-        recipes = self.repos.recipes.by_group(self.group_id).get_by_categories(categories)
-        return random.choice(recipes)

mealie/services/group_services/shopping_lists.py

@@ -1,5 +1,6 @@
 from pydantic import UUID4
 
+from mealie.core.exceptions import UnexpectedNone
 from mealie.repos.repository_factory import AllRepositories
 from mealie.schema.group import ShoppingListItemCreate, ShoppingListOut
 from mealie.schema.group.group_shopping_list import (
@@ -120,8 +121,10 @@ class ShoppingListService:
             - deleted_shopping_list_items
         """
         recipe = self.repos.recipes.get_one(recipe_id, "id")
-        to_create = []
+        if not recipe:
+            raise UnexpectedNone("Recipe not found")
 
+        to_create = []
         for ingredient in recipe.recipe_ingredient:
             food_id = None
             try:
@@ -144,7 +147,7 @@ class ShoppingListService:
             to_create.append(
                 ShoppingListItemCreate(
                     shopping_list_id=list_id,
-                    is_food=not recipe.settings.disable_amount,
+                    is_food=not recipe.settings.disable_amount if recipe.settings else False,
                     food_id=food_id,
                     unit_id=unit_id,
                     quantity=ingredient.quantity,
@@ -163,6 +166,9 @@ class ShoppingListService:
         new_shopping_list_items = [self.repos.group_shopping_list_item.create(item) for item in to_create]
 
         updated_shopping_list = self.shopping_lists.get_one(list_id)
+        if not updated_shopping_list:
+            raise UnexpectedNone("Shopping List not found")
+
         updated_shopping_list_items, deleted_shopping_list_items = self.consolidate_and_save(updated_shopping_list.list_items)  # type: ignore
         updated_shopping_list.list_items = updated_shopping_list_items
 
@@ -219,13 +225,16 @@ class ShoppingListService:
         """
         shopping_list = self.shopping_lists.get_one(list_id)
 
+        if shopping_list is None:
+            raise UnexpectedNone("Shopping list not found, cannot remove recipe ingredients")
+
         updated_shopping_list_items = []
         deleted_shopping_list_items = []
         for item in shopping_list.list_items:
             found = False
 
             for ref in item.recipe_references:
-                remove_qty = 0.0
+                remove_qty: None | float = 0.0
 
                 if ref.recipe_id == recipe_id:
                     self.list_item_refs.delete(ref.id)  # type: ignore
@@ -236,7 +245,9 @@ class ShoppingListService:
 
             # If the item was found decrement the quantity by the remove_qty
             if found:
-                item.quantity = item.quantity - remove_qty
+
+                if remove_qty is not None:
+                    item.quantity = item.quantity - remove_qty
 
                 if item.quantity <= 0:
                     self.list_items.delete(item.id)
@@ -246,16 +257,16 @@ class ShoppingListService:
                     updated_shopping_list_items.append(item)
 
         # Decrement the list recipe reference count
-        for ref in shopping_list.recipe_references:  # type: ignore
+        for recipe_ref in shopping_list.recipe_references:
-            if ref.recipe_id == recipe_id:
+            if recipe_ref.recipe_id == recipe_id and recipe_ref.recipe_quantity is not None:
-                ref.recipe_quantity -= 1
+                recipe_ref.recipe_quantity -= 1.0
 
-                if ref.recipe_quantity <= 0:
+                if recipe_ref.recipe_quantity <= 0.0:
-                    self.list_refs.delete(ref.id)  # type: ignore
+                    self.list_refs.delete(recipe_ref.id)
 
                 else:
-                    self.list_refs.update(ref.id, ref)  # type: ignore
+                    self.list_refs.update(recipe_ref.id, ref)
                 break
 
         # Save Changes
-        return self.shopping_lists.get_one(shopping_list.id), updated_shopping_list_items, deleted_shopping_list_items
+        return self.shopping_lists.get_one(shopping_list.id), updated_shopping_list_items, deleted_shopping_list_items  # type: ignore

mealie/services/migrations/_migration_base.py

@@ -96,7 +96,12 @@ class BaseMigrator(BaseService):
         self._migrate()
         self._save_all_entries()
 
-        return self.db.group_reports.get_one(self.report_id)
+        result = self.db.group_reports.get_one(self.report_id)
+
+        if not result:
+            raise ValueError("Report not found")
+
+        return result
 
     def import_recipes_to_database(self, validated_recipes: list[Recipe]) -> list[tuple[str, UUID4, bool]]:
         """
@@ -111,10 +116,13 @@ class BaseMigrator(BaseService):
         if self.add_migration_tag:
             migration_tag = self.helpers.get_or_set_tags([self.name])[0]
 
-        return_vars = []
+        return_vars: list[tuple[str, UUID4, bool]] = []
 
         group = self.db.groups.get_one(self.group_id)
 
+        if not group or not group.preferences:
+            raise ValueError("Group preferences not found")
+
         default_settings = RecipeSettings(
             public=group.preferences.recipe_public,
             show_nutrition=group.preferences.recipe_show_nutrition,
@@ -132,6 +140,8 @@ class BaseMigrator(BaseService):
 
             if recipe.tags:
                 recipe.tags = self.helpers.get_or_set_tags(x.name for x in recipe.tags)
+            else:
+                recipe.tags = []
 
             if recipe.recipe_category:
                 recipe.recipe_category = self.helpers.get_or_set_category(x.name for x in recipe.recipe_category)
@@ -155,7 +165,7 @@ class BaseMigrator(BaseService):
             else:
                 message = f"Failed to import {recipe.name}"
 
-            return_vars.append((recipe.slug, recipe.id, status))
+            return_vars.append((recipe.slug, recipe.id, status))  # type: ignore
 
             self.report_entries.append(
                 ReportEntryCreate(

mealie/services/migrations/chowdown.py

@@ -42,8 +42,13 @@ class ChowdownMigrator(BaseMigrator):
             for slug, recipe_id, status in results:
                 if status:
                     try:
-                        original_image = recipe_lookup.get(slug).image
+                        r = recipe_lookup.get(slug)
-                        cd_image = image_dir.joinpath(original_image)
+
+                        if not r:
+                            continue
+
+                        if r.image:
+                            cd_image = image_dir.joinpath(r.image)
                     except StopIteration:
                         continue
                     if cd_image:

mealie/services/recipe/recipe_bulk_service.py

@@ -1,5 +1,6 @@
 from pathlib import Path
 
+from mealie.core.exceptions import UnexpectedNone
 from mealie.repos.repository_factory import AllRepositories
 from mealie.schema.group.group_exports import GroupDataExport
 from mealie.schema.recipe import CategoryBase
@@ -41,6 +42,9 @@ class RecipeBulkActionsService(BaseService):
 
         group = self.repos.groups.get_one(self.group.id)
 
+        if group is None:
+            raise UnexpectedNone("Failed to purge exports for group, no group found")
+
         for match in group.directory.glob("**/export/*zip"):
             if match.is_file():
                 match.unlink()
@@ -52,8 +56,8 @@ class RecipeBulkActionsService(BaseService):
         for slug in recipes:
             recipe = self.repos.recipes.get_one(slug)
 
-            if recipe is None:
+            if recipe is None or recipe.settings is None:
-                self.logger.error(f"Failed to set settings for recipe {slug}, no recipe found")
+                raise UnexpectedNone(f"Failed to set settings for recipe {slug}, no recipe found")
 
             settings.locked = recipe.settings.locked
             recipe.settings = settings
@@ -69,9 +73,12 @@ class RecipeBulkActionsService(BaseService):
             recipe = self.repos.recipes.get_one(slug)
 
             if recipe is None:
-                self.logger.error(f"Failed to tag recipe {slug}, no recipe found")
+                raise UnexpectedNone(f"Failed to tag recipe {slug}, no recipe found")
 
-            recipe.tags += tags
+            if recipe.tags is None:
+                recipe.tags = []
+
+            recipe.tags += tags  # type: ignore
 
             try:
                 self.repos.recipes.update(slug, recipe)
@@ -84,9 +91,12 @@ class RecipeBulkActionsService(BaseService):
             recipe = self.repos.recipes.get_one(slug)
 
             if recipe is None:
-                self.logger.error(f"Failed to categorize recipe {slug}, no recipe found")
+                raise UnexpectedNone(f"Failed to categorize recipe {slug}, no recipe found")
 
-            recipe.recipe_category += categories
+            if recipe.recipe_category is None:
+                recipe.recipe_category = []
+
+            recipe.recipe_category += categories  # type: ignore
 
             try:
                 self.repos.recipes.update(slug, recipe)

mealie/services/recipe/recipe_service.py

@@ -50,6 +50,8 @@ class RecipeService(BaseService):
         return recipe
 
     def can_update(self, recipe: Recipe) -> bool:
+        if recipe.settings is None:
+            raise exceptions.UnexpectedNone("Recipe Settings is None")
         return recipe.settings.locked is False or self.user.id == recipe.user_id
 
     def can_lock_unlock(self, recipe: Recipe) -> bool:
@@ -66,6 +68,9 @@ class RecipeService(BaseService):
             except FileNotFoundError:
                 self.logger.error(f"Recipe Directory not Found: {original_slug}")
 
+        if recipe.assets is None:
+            recipe.assets = []
+
         all_asset_files = [x.file_name for x in recipe.assets]
 
         for file in recipe.asset_dir.iterdir():
@@ -92,7 +97,7 @@ class RecipeService(BaseService):
         additional_attrs["group_id"] = user.group_id
 
         if additional_attrs.get("tags"):
-            for i in range(len(additional_attrs.get("tags"))):
+            for i in range(len(additional_attrs.get("tags", []))):
                 additional_attrs["tags"][i]["group_id"] = user.group_id
 
         if not additional_attrs.get("recipe_ingredient"):
@@ -105,6 +110,9 @@ class RecipeService(BaseService):
 
     def create_one(self, create_data: Union[Recipe, CreateRecipe]) -> Recipe:
 
+        if create_data.name is None:
+            create_data.name = "New Recipe"
+
         data: Recipe = self._recipe_creation_factory(
             self.user,
             name=create_data.name,
@@ -134,8 +142,8 @@ class RecipeService(BaseService):
         with temp_path.open("wb") as buffer:
             shutil.copyfileobj(archive.file, buffer)
 
-        recipe_dict = None
+        recipe_dict: dict | None = None
-        recipe_image = None
+        recipe_image: bytes | None = None
 
         with ZipFile(temp_path) as myzip:
             for file in myzip.namelist():
@@ -146,10 +154,15 @@ class RecipeService(BaseService):
                     with myzip.open(file) as myfile:
                         recipe_image = myfile.read()
 
+        if recipe_dict is None:
+            raise exceptions.UnexpectedNone("No json data found in Zip")
+
         recipe = self.create_one(Recipe(**recipe_dict))
 
-        if recipe:
+        if recipe and recipe.id:
             data_service = RecipeDataService(recipe.id)
+
+        if recipe_image:
             data_service.write_image(recipe_image, "webp")
 
         return recipe
@@ -172,6 +185,10 @@ class RecipeService(BaseService):
         """
 
         recipe = self._get_recipe(slug)
+
+        if recipe is None or recipe.settings is None:
+            raise exceptions.NoEntryFound("Recipe not found.")
+
         if not self.can_update(recipe):
             raise exceptions.PermissionDenied("You do not have permission to edit this recipe.")
 
@@ -189,9 +206,12 @@ class RecipeService(BaseService):
         return new_data
 
     def patch_one(self, slug: str, patch_data: Recipe) -> Recipe:
-        recipe = self._pre_update_check(slug, patch_data)
+        recipe: Recipe | None = self._pre_update_check(slug, patch_data)
         recipe = self.repos.recipes.by_group(self.group.id).get_one(slug)
 
+        if recipe is None:
+            raise exceptions.NoEntryFound("Recipe not found.")
+
         new_data = self.repos.recipes.by_group(self.group.id).patch(recipe.slug, patch_data.dict(exclude_unset=True))
 
         self.check_assets(new_data, recipe.slug)
@@ -210,6 +230,6 @@ class RecipeService(BaseService):
     # =================================================================
     # Recipe Template Methods
 
-    def render_template(self, recipe: Recipe, temp_dir: Path, template: str = None) -> Path:
+    def render_template(self, recipe: Recipe, temp_dir: Path, template: str) -> Path:
         t_service = TemplateService(temp_dir)
         return t_service.render(recipe, template)

mealie/services/recipe/template_service.py

@@ -16,7 +16,7 @@ class TemplateType(str, enum.Enum):
 
 
 class TemplateService(BaseService):
-    def __init__(self, temp: Path = None) -> None:
+    def __init__(self, temp: Path | None = None) -> None:
         """Creates a template service that can be used for multiple template generations
         A temporary directory must be provided as a place holder for where to render all templates
         Args:
@@ -58,7 +58,7 @@ class TemplateService(BaseService):
 
         return TemplateType(t_type)
 
-    def render(self, recipe: Recipe, template: str = None) -> Path:
+    def render(self, recipe: Recipe, template: str) -> Path:
         """
         Renders a TemplateType in a temporary directory and returns the path to the file.
 
@@ -87,6 +87,9 @@ class TemplateService(BaseService):
         """
         self.__check_temp(self._render_json)
 
+        if self.temp is None:
+            raise ValueError("Temporary directory must be provided for method _render_json")
+
         save_path = self.temp.joinpath(f"{recipe.slug}.json")
         with open(save_path, "w") as f:
             f.write(recipe.json(indent=4, by_alias=True))
@@ -100,6 +103,9 @@ class TemplateService(BaseService):
         """
         self.__check_temp(self._render_jinja2)
 
+        if j2_template is None:
+            raise ValueError("Template must be provided for method _render_jinja2")
+
         j2_path: Path = self.directories.TEMPLATE_DIR / j2_template
 
         if not j2_path.is_file():
@@ -113,6 +119,9 @@ class TemplateService(BaseService):
 
         save_name = f"{recipe.slug}{j2_path.suffix}"
 
+        if self.temp is None:
+            raise ValueError("Temporary directory must be provided for method _render_jinja2")
+
         save_path = self.temp.joinpath(save_name)
 
         with open(save_path, "w") as f:
@@ -124,6 +133,10 @@ class TemplateService(BaseService):
         self.__check_temp(self._render_jinja2)
 
         image_asset = recipe.image_dir.joinpath(RecipeImageTypes.original.value)
+
+        if self.temp is None:
+            raise ValueError("Temporary directory must be provided for method _render_zip")
+
         zip_temp = self.temp.joinpath(f"{recipe.slug}.zip")
 
         with ZipFile(zip_temp, "w") as myzip:

mealie/services/scraper/scraper.py

@@ -19,7 +19,7 @@ class ParserErrors(str, Enum):
     CONNECTION_ERROR = "CONNECTION_ERROR"
 
 
-def create_from_url(url: str) -> tuple[Recipe, ScrapedExtras]:
+def create_from_url(url: str) -> tuple[Recipe, ScrapedExtras | None]:
     """Main entry point for generating a recipe from a URL. Pass in a URL and
     a Recipe object will be returned if successful.
 
@@ -43,6 +43,10 @@ def create_from_url(url: str) -> tuple[Recipe, ScrapedExtras]:
 
     try:
         recipe_data_service.scrape_image(new_recipe.image)
+
+        if new_recipe.name is None:
+            new_recipe.name = "Untitled"
+
         new_recipe.slug = slugify(new_recipe.name)
         new_recipe.image = cache.new_key(4)
     except Exception as e:

mealie/services/scraper/scraper_strategies.py

@@ -176,7 +176,7 @@ class RecipeScraperPackage(ABCScraperStrategy):
             ingredients = []
 
         try:
-            instruct = scraped_schema.instructions()
+            instruct: list | str = scraped_schema.instructions()
         except Exception:
             instruct = []
 
@@ -212,7 +212,7 @@ class RecipeScraperOpenGraph(ABCScraperStrategy):
         """
 
         def og_field(properties: dict, field_name: str) -> str:
-            return next((val for name, val in properties if name == field_name), None)
+            return next((val for name, val in properties if name == field_name), "")
 
         def og_fields(properties: list[tuple[str, str]], field_name: str) -> list[str]:
             return list({val for name, val in properties if name == field_name})

mealie/services/user_services/password_reset_service.py

@@ -31,6 +31,9 @@ class PasswordResetService(BaseService):
     def send_reset_email(self, email: str):
         token_entry = self.generate_reset_token(email)
 
+        if token_entry is None:
+            return None
+
         # Send Email
         email_servive = EmailService()
         reset_url = f"{self.settings.BASE_URL}/reset-password?token={token_entry.token}"

mealie/services/user_services/registration_service.py

@@ -35,7 +35,8 @@ class RegistrationService:
             can_organize=new_group,
         )
 
-        return self.repos.users.create(new_user)
+        # TODO: problem with repository type, not type here
+        return self.repos.users.create(new_user)  # type: ignore
 
     def _register_new_group(self) -> GroupInDB:
         group_data = GroupBase(name=self.registration.group)
@@ -74,7 +75,13 @@ class RegistrationService:
             token_entry = self.repos.group_invite_tokens.get_one(registration.group_token)
             if not token_entry:
                 raise HTTPException(status.HTTP_400_BAD_REQUEST, {"message": "Invalid group token"})
-            group = self.repos.groups.get_one(token_entry.group_id)
+
+            maybe_none_group = self.repos.groups.get_one(token_entry.group_id)
+
+            if maybe_none_group is None:
+                raise HTTPException(status.HTTP_400_BAD_REQUEST, {"message": "Invalid group token"})
+
+            group = maybe_none_group
         else:
             raise HTTPException(status.HTTP_400_BAD_REQUEST, {"message": "Missing group"})
 

pyproject.toml

@@ -105,5 +105,5 @@ pgsql = ["psycopg2-binary"]
 python_version = "3.10"
 ignore_missing_imports = true
 follow_imports = "skip"
-strict_optional = false # TODO: Fix none type checks - temporary stop-gap to implement mypy
+strict_optional = true
 plugins = "pydantic.mypy"