From 83bf99a47e7387fe50b204efbd5a2a5d9ee57827 Mon Sep 17 00:00:00 2001
From: Marin <pfobos@gmail.com>
Date: Mon, 4 Apr 2022 20:48:40 +0200
Subject: [PATCH 1/2] add name to lzma fileobject

---
 Lib/lzma.py           |  5 +++++
 Lib/test/test_lzma.py | 28 ++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/Lib/lzma.py b/Lib/lzma.py
index 800f52198fbb79..399cb888c58662 100644
--- a/Lib/lzma.py
+++ b/Lib/lzma.py
@@ -131,6 +131,11 @@ def __init__(self, filename=None, mode="r", *,
                 trailing_error=LZMAError, format=format, filters=filters)
             self._buffer = io.BufferedReader(raw)
 
+        if not isinstance(filename, (str, bytes)):
+            self.name = ''
+        else:
+            self.name = os.fspath(filename)
+
     def close(self):
         """Flush and close the file.
 
diff --git a/Lib/test/test_lzma.py b/Lib/test/test_lzma.py
index 145c8cfced4080..514fdc7eda01f5 100644
--- a/Lib/test/test_lzma.py
+++ b/Lib/test/test_lzma.py
@@ -670,6 +670,34 @@ def test_init_with_preset_and_filters(self):
             LZMAFile(BytesIO(), "w", format=lzma.FORMAT_RAW,
                      preset=6, filters=FILTERS_RAW_1)
 
+    def test_filename(self):
+        with TempFile(TESTFN):
+            with LZMAFile(TESTFN) as f:
+                self.assertTrue(hasattr(f, 'name'))
+                self.assertTrue(f.name == TESTFN)
+
+    def test_path_filename(self):
+        filename = pathlib.Path(TESTFN)
+        with TempFile(filename):
+            with LZMAFile(filename) as f:
+                self.assertTrue(hasattr(f, 'name'))
+                self.assertTrue(f.name == '')
+
+    def test_name_bytesIO(self):
+        f = LZMAFile(BytesIO(COMPRESSED_XZ))
+        try:
+            self.assertTrue(hasattr(f, 'name'))
+            self.assertTrue(f.name == '')
+        finally:
+            f.close()
+
+        f = LZMAFile(BytesIO(), "w")
+        try:
+            self.assertTrue(hasattr(f, 'name'))
+            self.assertTrue(f.name == '')
+        finally:
+            f.close()
+
     def test_close(self):
         with BytesIO(COMPRESSED_XZ) as src:
             f = LZMAFile(src)

From adf6d43d0b0aff5aa72896155fd5bad4000cebb6 Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Mon, 4 Apr 2022 18:57:27 +0000
Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?=
 =?UTF-8?q?rb=5Fit.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../NEWS.d/next/Library/2022-04-04-18-57-26.bpo-47218.rf37SB.rst | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 Misc/NEWS.d/next/Library/2022-04-04-18-57-26.bpo-47218.rf37SB.rst

diff --git a/Misc/NEWS.d/next/Library/2022-04-04-18-57-26.bpo-47218.rf37SB.rst b/Misc/NEWS.d/next/Library/2022-04-04-18-57-26.bpo-47218.rf37SB.rst
new file mode 100644
index 00000000000000..eecb281851dd4e
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-04-04-18-57-26.bpo-47218.rf37SB.rst
@@ -0,0 +1 @@
+Added name attribute for LZMAFile (where appropriate and possible).