Fix missing mode property on file wrapper

Without this property, uploads using `requests` fails to set the
Content-Length header, and falls back to chunked encoding,
which many hosts (e.g. S3) don't support.

CHANGELOG.md

@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Fix NO_COLOR support on legacy Windows https://github.com/Textualize/rich/pull/2458
+- Fix missing `mode` property on file wrapper breaking uploads via `requests`
 
 ## [12.5.2] - 2022-07-18
 

CONTRIBUTORS.md

@@ -28,6 +28,7 @@ The following people have contributed to the development of Rich:
 - [Paul McGuire](https://github.com/ptmcg)
 - [Antony Milne](https://github.com/AntonyMilneQB)
 - [Michael Milton](https://github.com/multimeric)
+- [Martina Oefelein](https://github.com/oefe)
 - [Nathan Page](https://github.com/nathanrpage97)
 - [Avi Perl](https://github.com/avi-perl)
 - [Laurent Peuch](https://github.com/psycojoker)

rich/progress.py

@@ -216,6 +216,10 @@ class _Reader(RawIOBase, BinaryIO):
     def isatty(self) -> bool:
         return self.handle.isatty()
 
+    @property
+    def mode(self) -> str:
+        return self.handle.mode
+
     @property
     def name(self) -> str:
         return self.handle.name

tests/test_progress.py

@@ -614,6 +614,7 @@ def test_wrap_file() -> None:
         with open(filename, "rb") as file:
             with rich.progress.wrap_file(file, total=total) as f:
                 assert f.read() == b"Hello, World!"
+                assert f.mode == "rb"
                 assert f.name == filename
             assert f.closed
             assert not f.handle.closed