[rh:requests] Handle both `bytes` and `int` for `IncompleteRead.partial` (Fix 8a8b54523addf46dfd50ef599761a81bc22362e6) (#8348)

Authored by: bashonly, coletdjnz, Grub4K

3 files changed, 7 insertions, 8 deletions

diff --git a/test/test_networking.py b/test/test_networking.py
index 2b45deac7..689161fb2 100644
--- a/test/test_networking.py
+++ b/test/test_networking.py
@@ -865,7 +865,7 @@ class TestRequestsRequestHandler(TestRequestHandlerBase):
             '3 bytes read, 4 more expected'
         ),
         (
-            lambda: urllib3.exceptions.IncompleteRead(partial=3, expected=5),
+            lambda: urllib3.exceptions.ProtocolError('error', urllib3.exceptions.IncompleteRead(partial=3, expected=5)),
             IncompleteRead,
             '3 bytes read, 5 more expected'
         ),
diff --git a/yt_dlp/networking/_requests.py b/yt_dlp/networking/_requests.py
index 27974357a..fe3f60b0b 100644
--- a/yt_dlp/networking/_requests.py
+++ b/yt_dlp/networking/_requests.py
@@ -142,18 +142,17 @@ class RequestsResponseAdapter(Response):
         except urllib3.exceptions.SSLError as e:
             raise SSLError(cause=e) from e
 
-        except urllib3.exceptions.IncompleteRead as e:
-            # urllib3 IncompleteRead.partial is always an integer
-            raise IncompleteRead(partial=e.partial, expected=e.expected) from e
-
         except urllib3.exceptions.ProtocolError as e:
-            # http.client.IncompleteRead may be contained within ProtocolError
+            # IncompleteRead is always contained within ProtocolError
             # See urllib3.response.HTTPResponse._error_catcher()
             ir_err = next(
                 (err for err in (e.__context__, e.__cause__, *variadic(e.args))
                  if isinstance(err, http.client.IncompleteRead)), None)
             if ir_err is not None:
-                raise IncompleteRead(partial=len(ir_err.partial), expected=ir_err.expected) from e
+                # `urllib3.exceptions.IncompleteRead` is subclass of `http.client.IncompleteRead`
+                # but uses an `int` for its `partial` property.
+                partial = ir_err.partial if isinstance(ir_err.partial, int) else len(ir_err.partial)
+                raise IncompleteRead(partial=partial, expected=ir_err.expected) from e
             raise TransportError(cause=e) from e
 
         except urllib3.exceptions.HTTPError as e:
diff --git a/yt_dlp/networking/exceptions.py b/yt_dlp/networking/exceptions.py
index f58dc246e..12441901c 100644
--- a/yt_dlp/networking/exceptions.py
+++ b/yt_dlp/networking/exceptions.py
@@ -75,7 +75,7 @@ class HTTPError(RequestError):
 
 
 class IncompleteRead(TransportError):
-    def __init__(self, partial: int, expected: int = None, **kwargs):
+    def __init__(self, partial: int, expected: int | None = None, **kwargs):
         self.partial = partial
         self.expected = expected
         msg = f'{partial} bytes read'