some stubs

django-stubs/core/files/base.pyi

@@ -1,27 +1,34 @@
-# Stubs for django.core.files.base (Python 3.5)
+from io import StringIO
+from typing import Any, Iterator, Optional, Union
 
-from typing import Any, Iterable, Iterator, Optional, Sized, Union
 from django.core.files.utils import FileProxyMixin
 
-class File(FileProxyMixin, Sized, Iterable[bytes]):
-    DEFAULT_CHUNK_SIZE = ...  # type: int
-    file = ...  # type: Any
-    name: Optional[str] = ...  # type: ignore
-    mode = ...  # type: str
-    size = ...  # type: int
-    def __init__(self, file: Any, name: str = None) -> None: ...
-    @property
-    def closed(self) -> bool: ...
-    def chunks(self, chunk_size: int = None) -> Iterator[bytes]: ...
-    def multiple_chunks(self, chunk_size: int = None) -> bool: ...
-    def __enter__(self) -> "File": ...
-    def __exit__(self, t: type = None, value: BaseException = None, traceback: Any = None) -> bool: ...
-    def open(self, mode: str = None) -> None: ...
+class File(FileProxyMixin):
+    DEFAULT_CHUNK_SIZE: Any = ...
+    file: StringIO = ...
+    name: Optional[str] = ...
+    mode: str = ...
+    def __init__(self, file: Any, name: Optional[str] = ...) -> None: ...
+    def __bool__(self) -> bool: ...
+    def __len__(self) -> int: ...
+    def size(self) -> int: ...
+    def chunks(self, chunk_size: Optional[int] = ...) -> Iterator[Union[bytes, bytearray]]: ...
+    def multiple_chunks(self, chunk_size: Optional[Any] = ...): ...
+    def __iter__(self) -> Iterator[Union[bytes, str]]: ...
+    def __enter__(self) -> File: ...
+    def __exit__(self, exc_type: None, exc_value: None, tb: None) -> None: ...
+    def open(self, mode: Optional[str] = ...) -> File: ...
     def close(self) -> None: ...
 
 class ContentFile(File):
-    def __init__(self, content: Union[str, bytes], name: Optional[str] = None) -> None: ...
+    file: StringIO
+    size: Any = ...
+    def __init__(self, content: Union[bytes, str], name: Optional[str] = ...) -> None: ...
+    def __bool__(self) -> bool: ...
+    def open(self, mode: Optional[str] = ...) -> ContentFile: ...
+    def close(self) -> None: ...
+    def write(self, data: str) -> int: ...
 
-def endswith_cr(line: Union[str, bytes]) -> bool: ...
-def endswith_lf(line: Union[str, bytes]) -> bool: ...
-def equals_lf(line: Union[str, bytes]) -> bool: ...
+def endswith_cr(line: bytes) -> bool: ...
+def endswith_lf(line: Union[bytes, str]) -> bool: ...
+def equals_lf(line: bytes) -> bool: ...

django-stubs/core/files/utils.pyi

@@ -1,7 +1,23 @@
-from typing import BinaryIO, Any, Optional, Tuple, Union
+from typing import Any
 
-class FileProxyMixin(BinaryIO):
-
-    newlines = ...  # type: Union[str, Tuple[str, ...], None]
-    softspace = ...  # type: bool
-    def readinto(self, b: Any) -> Optional[int]: ...
+class FileProxyMixin:
+    encoding: Any = ...
+    fileno: Any = ...
+    flush: Any = ...
+    isatty: Any = ...
+    newlines: Any = ...
+    read: Any = ...
+    readinto: Any = ...
+    readline: Any = ...
+    readlines: Any = ...
+    seek: Any = ...
+    tell: Any = ...
+    truncate: Any = ...
+    write: Any = ...
+    writelines: Any = ...
+    @property
+    def closed(self) -> bool: ...
+    def readable(self) -> bool: ...
+    def writable(self) -> bool: ...
+    def seekable(self) -> bool: ...
+    def __iter__(self): ...