Add typing stubs for mypy compatibility

xmltodict.pyi

@@ -0,0 +1,69 @@
+from typing import Any, Callable, Union, IO, Iterator, List, Tuple, Optional, Dict
+
+class ParsingInterrupted(Exception): ...
+
+class _DictSAXHandler:
+    path: List[Tuple[str, Dict[str, Any]]]
+    stack: List[Tuple[Optional[Dict[str, Any]], List[str]]]
+    data: List[str]
+    item: Optional[Dict[str, Any]]
+    item_depth: int
+    xml_attribs: bool
+    item_callback: Callable[..., Any]
+    attr_prefix: str
+    cdata_key: str
+    force_cdata: bool
+    cdata_separator: str
+    postprocessor: Optional[Callable[..., Any]]
+    dict_constructor: Callable[..., Any]
+    strip_whitespace: bool
+    namespace_separator: str
+    namespaces: Optional[Dict[str, str]]
+    force_list: Union[None, Tuple[str], Callable[..., Any]]
+    comment_key: str
+    def __init__(
+        self,
+        item_depth: int = ...,
+        item_callback: Callable[..., Any] = ...,
+        xml_attribs: bool = ...,
+        attr_prefix: str = ...,
+        cdata_key: str = ...,
+        force_cdata: bool = ...,
+        cdata_separator: str = ...,
+        postprocessor: Any | None = ...,
+        dict_constructor: Callable[..., Any] = ...,
+        strip_whitespace: bool = ...,
+        namespace_separator: str = ...,
+        namespaces: Any | None = ...,
+        force_list: Any | None = ...,
+        comment_key: str = ...,
+    ): ...
+    def startNamespaceDecl(self, prefix: str, uri: str) -> None: ...
+    def startElement(
+        self, full_name: str, attrs: Union[Dict[str, Any], List[Any]]
+    ) -> None: ...
+    def endElement(self, full_name: str) -> None: ...
+    def characters(self, data: str) -> None: ...
+    def comments(self, data: str) -> None: ...
+    def push_data(
+        self, item: Optional[Dict[str, Any]], key: str, data: Any
+    ) -> Optional[Dict[str, Any]]: ...
+
+def parse(
+    xml_input: Union[str, bytes, IO[str], Iterator[bytes]],
+    encoding: Optional[str] = ...,
+    expat: Any = ...,
+    process_namespaces: bool = ...,
+    namespace_separator: str = ...,
+    disable_entities: bool = ...,
+    process_comments: bool = ...,
+    **kwargs: Any
+) -> Dict[str, Any]: ...
+def unparse(
+    input_dict: Dict[str, Any],
+    output: Any | None = ...,
+    encoding: str = ...,
+    full_document: bool = ...,
+    short_empty_elements: bool = ...,
+    **kwargs: Any
+) -> Optional[str]: ...