Add partial type stubs for dependency-safe modules

pgspecial/help/commands.pyi

@@ -0,0 +1 @@
+helpcommands: dict[str, dict[str, str]]

pgspecial/namedqueries.pyi

@@ -0,0 +1,25 @@
+from collections.abc import MutableMapping
+from typing import ClassVar, NoReturn, Protocol, TypeVar
+
+_DefaultT = TypeVar("_DefaultT")
+
+class _Config(Protocol):
+    def __contains__(self, key: object) -> bool: ...
+    def __getitem__(self, key: str) -> MutableMapping[str, str]: ...
+    def __setitem__(self, key: str, value: MutableMapping[str, str]) -> None: ...
+    def get(self, key: str, default: _DefaultT) -> MutableMapping[str, str] | _DefaultT: ...
+    def write(self) -> object: ...
+
+class NamedQueries:
+    section_name: ClassVar[str]
+    usage: ClassVar[str]
+    instance: ClassVar[NamedQueries | None]
+    config: _Config
+
+    def __init__(self, config: _Config) -> None: ...
+    @classmethod
+    def from_config(cls, config: _Config) -> NamedQueries: ...
+    def list(self) -> MutableMapping[str, str] | list[NoReturn]: ...
+    def get(self, name: str) -> str | None: ...
+    def save(self, name: str, query: str) -> None: ...
+    def delete(self, name: str) -> str: ...