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[PR #10959/cc234c6d backport][3.12] Change ClientSession middlewares default to be an empty tuple #10960

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Merged
merged 1 commit into from
May 23, 2025
Merged

[PR #10959/cc234c6d backport][3.12] Change ClientSession middlewares default to be an empty tuple #10960

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1 change: 1 addition & 0 deletions CHANGES/10959.feature.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
9732.feature.rst
2 changes: 1 addition & 1 deletion aiohttp/client.py
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Expand Up @@ -302,7 +302,7 @@ def __init__(
max_line_size: int = 8190,
max_field_size: int = 8190,
fallback_charset_resolver: _CharsetResolver = lambda r, b: "utf-8",
middlewares: Optional[Sequence[ClientMiddlewareType]] = None,
middlewares: Sequence[ClientMiddlewareType] = (),
) -> None:
# We initialise _connector to None immediately, as it's referenced in __del__()
# and could cause issues if an exception occurs during initialisation.
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4 changes: 2 additions & 2 deletions docs/client_reference.rst
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Expand Up @@ -53,7 +53,7 @@ The client session supports the context manager protocol for self closing.
trust_env=False, \
requote_redirect_url=True, \
trace_configs=None, \
middlewares=None, \
middlewares=(), \
read_bufsize=2**16, \
max_line_size=8190, \
max_field_size=8190, \
Expand Down Expand Up @@ -232,7 +232,7 @@ The client session supports the context manager protocol for self closing.

:param middlewares: A sequence of middleware instances to apply to all session requests.
Each middleware must match the :type:`ClientMiddlewareType` signature.
``None`` (default) is used when no middleware is needed.
``()`` (empty tuple, default) is used when no middleware is needed.
See :ref:`aiohttp-client-middleware` for more information.

.. versionadded:: 3.12
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