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bpo-37330: open() no longer accept 'U' in file mode (GH-28118)

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open(), io.open(), codecs.open() and fileinput.FileInput no longer
accept "U" ("universal newline") in the file mode. This flag was
deprecated since Python 3.3.
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Victor Stinner 2021-09-02 12:58:00 +02:00 • committed by GitHub
parent a806608705
commit 19ba2122ac
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13 changed files with 61 additions and 104 deletions
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Doc/library/codecs.rst
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@ -204,6 +204,9 @@ wider range of codecs when working with binary files:
*buffering* has the same meaning as for the built-in :func:`open` function.
It defaults to -1 which means that the default buffer size will be used.
.. versionchanged:: 3.11
The ``'U'`` mode has been removed.
.. function:: EncodedFile(file, data_encoding, file_encoding=None, errors='strict')