Add stubs for flask-migrate (#8967)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

stubs/Flask-Migrate/METADATA.toml

@@ -0,0 +1,2 @@
+version = "4.0.*"
+requires = ["types-Flask-SQLAlchemy"]

stubs/Flask-Migrate/flask_migrate/__init__.pyi

@@ -0,0 +1,106 @@
+from collections.abc import Callable, Iterable, Sequence
+from logging import Logger
+from typing import Any, TypeVar
+from typing_extensions import ParamSpec, TypeAlias
+
+from flask_sqlalchemy import SQLAlchemy
+
+_T = TypeVar("_T")
+_P = ParamSpec("_P")
+_App: TypeAlias = Any  # flask.Flask is not possible as a dependency yet
+_ConfigureCallback: TypeAlias = Callable[[Config], Config]
+
+alembic_version: tuple[int, int, int]
+log: Logger
+
+class Config:  # should inherit from alembic.config.Config which is not possible yet
+    template_directory: str | None
+    def __init__(self, *args, **kwargs) -> None: ...
+    def get_template_directory(self) -> str: ...
+
+class Migrate:
+    configure_callbacks: list[_ConfigureCallback]
+    db: SQLAlchemy | None
+    directory: str
+    alembic_ctx_kwargs: dict[str, Any]
+    def __init__(
+        self,
+        app: _App | None = ...,
+        db: SQLAlchemy | None = ...,
+        directory: str = ...,
+        command: str = ...,
+        compare_type: bool = ...,
+        render_as_batch: bool = ...,
+        **kwargs,
+    ) -> None: ...
+    def init_app(
+        self,
+        app: _App,
+        db: SQLAlchemy | None = ...,
+        directory: str | None = ...,
+        command: str | None = ...,
+        compare_type: bool | None = ...,
+        render_as_batch: bool | None = ...,
+        **kwargs,
+    ) -> None: ...
+    def configure(self, f: _ConfigureCallback) -> _ConfigureCallback: ...
+    def call_configure_callbacks(self, config: Config): ...
+    def get_config(
+        self, directory: str | None = ..., x_arg: str | Sequence[str] | None = ..., opts: Iterable[str] | None = ...
+    ): ...
+
+def catch_errors(f: Callable[_P, _T]) -> Callable[_P, _T]: ...
+def list_templates() -> None: ...
+def init(directory: str | None = ..., multidb: bool = ..., template: str | None = ..., package: bool = ...) -> None: ...
+def revision(
+    directory: str | None = ...,
+    message: str | None = ...,
+    autogenerate: bool = ...,
+    sql: bool = ...,
+    head: str = ...,
+    splice: bool = ...,
+    branch_label: str | None = ...,
+    version_path: str | None = ...,
+    rev_id: str | None = ...,
+) -> None: ...
+def migrate(
+    directory: str | None = ...,
+    message: str | None = ...,
+    sql: bool = ...,
+    head: str = ...,
+    splice: bool = ...,
+    branch_label: str | None = ...,
+    version_path: str | None = ...,
+    rev_id: str | None = ...,
+    x_arg: str | Sequence[str] | None = ...,
+) -> None: ...
+def edit(directory: str | None = ..., revision: str = ...) -> None: ...
+def merge(
+    directory: str | None = ...,
+    revisions: str = ...,
+    message: str | None = ...,
+    branch_label: str | None = ...,
+    rev_id: str | None = ...,
+) -> None: ...
+def upgrade(
+    directory: str | None = ...,
+    revision: str = ...,
+    sql: bool = ...,
+    tag: str | None = ...,
+    x_arg: str | Sequence[str] | None = ...,
+) -> None: ...
+def downgrade(
+    directory: str | None = ...,
+    revision: str = ...,
+    sql: bool = ...,
+    tag: str | None = ...,
+    x_arg: str | Sequence[str] | None = ...,
+) -> None: ...
+def show(directory: str | None = ..., revision: str = ...) -> None: ...
+def history(
+    directory: str | None = ..., rev_range: str | None = ..., verbose: bool = ..., indicate_current: bool = ...
+) -> None: ...
+def heads(directory: str | None = ..., verbose: bool = ..., resolve_dependencies: bool = ...) -> None: ...
+def branches(directory: str | None = ..., verbose: bool = ...) -> None: ...
+def current(directory: str | None = ..., verbose: bool = ...) -> None: ...
+def stamp(directory: str | None = ..., revision: str = ..., sql: bool = ..., tag: str | None = ...) -> None: ...