Typehint File

discord/file.py

@@ -22,13 +22,17 @@ FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 DEALINGS IN THE SOFTWARE.
 """
 
-import os.path
+from __future__ import annotations
+from typing import Optional, TYPE_CHECKING, Union
+
+import os
 import io
 
 __all__ = (
     'File',
 )
 
+
 class File:
     r"""A parameter object used for :meth:`abc.Messageable.send`
     for sending file objects.
@@ -40,7 +44,7 @@ class File:
 
     Attributes
     -----------
-    fp: Union[:class:`str`, :class:`io.BufferedIOBase`]
+    fp: Union[:class:`os.PathLike`, :class:`io.BufferedIOBase`]
         A file-like object opened in binary mode and read mode
         or a filename representing a file in the hard drive to
         open.
@@ -62,9 +66,18 @@ class File:
 
     __slots__ = ('fp', 'filename', 'spoiler', '_original_pos', '_owner', '_closer')
 
-    def __init__(self, fp, filename=None, *, spoiler=False):
+    if TYPE_CHECKING:
-        self.fp = fp
+        fp: io.BufferedIOBase
-
+        filename: Optional[str]
+        spoiler: bool
+
+    def __init__(
+        self,
+        fp: Union[str, bytes, os.PathLike, io.BufferedIOBase],
+        filename: Optional[str] = None,
+        *,
+        spoiler: bool = False,
+    ):
         if isinstance(fp, io.IOBase):
             if not (fp.seekable() and fp.readable()):
                 raise ValueError(f'File buffer {fp!r} must be seekable and readable')
@@ -96,7 +109,7 @@ class File:
 
         self.spoiler = spoiler or (self.filename is not None and self.filename.startswith('SPOILER_'))
 
-    def reset(self, *, seek=True):
+    def reset(self, *, seek: bool = True) -> None:
         # The `seek` parameter is needed because
         # the retry-loop is iterated over multiple times
         # starting from 0, as an implementation quirk
@@ -108,7 +121,7 @@ class File:
         if seek:
             self.fp.seek(self._original_pos)
 
-    def close(self):
+    def close(self) -> None:
         self.fp.close = self._closer
         if self._owner:
             self._closer()