Jun 24, 2022 · Jun 24, 2022 · Jun 24, 2022
diff --git a/Doc/library/gzip.rst b/Doc/library/gzip.rst
   .. versionchanged:: 3.6
      Accepts a :term:`path-like object`.

   .. versionchanged:: 3.12
      Remove the ``filename`` attribute, use the :attr:`~GzipFile.name`
      attribute instead.

   .. deprecated:: 3.9
      Opening :class:`GzipFile` for writing without specifying the *mode*
      argument is deprecated.
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst
  use :func:`os.urandom` or :func:`ssl.RAND_bytes` instead.
  (Contributed by Victor Stinner in :gh:`94199`.)

 * :mod:`gzip`: Remove the ``filename`` attribute of :class:`gzip.GzipFile`,
  deprecated since Python 2.6, use the :attr:`~gzip.GzipFile.name` attribute
  instead. In write mode, the ``filename`` attribute added ``'.gz'`` file
  extension if it was not present.
  (Contributed by Victor Stinner in :gh:`94196`.)


 Porting to Python 3.12
 ======================
diff --git a/Lib/gzip.py b/Lib/gzip.py
        if self.mode == WRITE:
            self._write_gzip_header(compresslevel)

    @property
    def filename(self):
        import warnings
        warnings.warn("use the name attribute", DeprecationWarning, 2)
        if self.mode == WRITE and self.name[-3:] != ".gz":
            return self.name + ".gz"
        return self.name

    @property
    def mtime(self):
        """Last modification time read from stream, or None"""
diff --git a/Misc/NEWS.d/next/Library/2022-06-24-09-41-41.gh-issue-94196.r2KyfS.rst b/Misc/NEWS.d/next/Library/2022-06-24-09-41-41.gh-issue-94196.r2KyfS.rst
 :mod:`gzip`: Remove the ``filename`` attribute of :class:`gzip.GzipFile`,
 deprecated since Python 2.6, use the :attr:`~gzip.GzipFile.name` attribute
 instead. In write mode, the ``filename`` attribute added ``'.gz'`` file
 extension if it was not present. Patch by Victor Stinner.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -165,6 +165,10 @@ The module defines the following items:
		.. versionchanged:: 3.6
		Accepts a :term:`path-like object`.

		.. versionchanged:: 3.12
		Remove the ``filename`` attribute, use the :attr:`~GzipFile.name`
		attribute instead.

		.. deprecated:: 3.9
		Opening :class:`GzipFile` for writing without specifying the mode
		argument is deprecated.
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -218,6 +218,12 @@ Removed
		use :func:`os.urandom` or :func:`ssl.RAND_bytes` instead.
		(Contributed by Victor Stinner in :gh:`94199`.)

		* :mod:`gzip`: Remove the ``filename`` attribute of :class:`gzip.GzipFile`,
		deprecated since Python 2.6, use the :attr:`~gzip.GzipFile.name` attribute
		instead. In write mode, the ``filename`` attribute added ``'.gz'`` file
		extension if it was not present.
		(Contributed by Victor Stinner in :gh:`94196`.)


		Porting to Python 3.12
		======================
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -212,14 +212,6 @@ def __init__(self, filename=None, mode=None,
		if self.mode == WRITE:
		self._write_gzip_header(compresslevel)

		@property
		def filename(self):
		import warnings
		warnings.warn("use the name attribute", DeprecationWarning, 2)
		if self.mode == WRITE and self.name[-3:] != ".gz":
		return self.name + ".gz"
		return self.name

		@property
		def mtime(self):
		"""Last modification time read from stream, or None"""
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,4 @@
		:mod:`gzip`: Remove the ``filename`` attribute of :class:`gzip.GzipFile`,
		deprecated since Python 2.6, use the :attr:`~gzip.GzipFile.name` attribute
		instead. In write mode, the ``filename`` attribute added ``'.gz'`` file
		extension if it was not present. Patch by Victor Stinner.