From fc8e9b0e726c14d10cf33864710364b3cb4ae368 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Thu, 27 Nov 2014 22:13:16 +0200
Subject: Issue #22915: SAX parser now supports files opened with file
 descriptor or bytes path.

---
 Lib/test/test_sax.py    | 24 ++++++++++++++++++++++++
 Lib/xml/sax/saxutils.py |  2 +-
 Misc/NEWS               |  3 +++
 3 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_sax.py b/Lib/test/test_sax.py
index cfa18f7..a6238b2 100644
--- a/Lib/test/test_sax.py
+++ b/Lib/test/test_sax.py
@@ -648,6 +648,30 @@ class ExpatReaderTest(XmlTestBase):
 
         self.assertEqual(result.getvalue(), xml_test_out)
 
+    def test_expat_binary_file_bytes_name(self):
+        fname = os.fsencode(TEST_XMLFILE)
+        parser = create_parser()
+        result = BytesIO()
+        xmlgen = XMLGenerator(result)
+
+        parser.setContentHandler(xmlgen)
+        with open(fname, 'rb') as f:
+            parser.parse(f)
+
+        self.assertEqual(result.getvalue(), xml_test_out)
+
+    def test_expat_binary_file_int_name(self):
+        parser = create_parser()
+        result = BytesIO()
+        xmlgen = XMLGenerator(result)
+
+        parser.setContentHandler(xmlgen)
+        with open(TEST_XMLFILE, 'rb') as f:
+            with open(f.fileno(), 'rb', closefd=False) as f2:
+                parser.parse(f2)
+
+        self.assertEqual(result.getvalue(), xml_test_out)
+
     # ===== DTDHandler support
 
     class TestDTDHandler:
diff --git a/Lib/xml/sax/saxutils.py b/Lib/xml/sax/saxutils.py
index 74de9b0..1d3d0ec 100644
--- a/Lib/xml/sax/saxutils.py
+++ b/Lib/xml/sax/saxutils.py
@@ -346,7 +346,7 @@ def prepare_input_source(source, base=""):
         f = source
         source = xmlreader.InputSource()
         source.setByteStream(f)
-        if hasattr(f, "name"):
+        if hasattr(f, "name") and isinstance(f.name, str):
             source.setSystemId(f.name)
 
     if source.getByteStream() is None:
diff --git a/Misc/NEWS b/Misc/NEWS
index c1abebe..7c17a37 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -36,6 +36,9 @@ Core and Builtins
 Library
 -------
 
+- Issue #22915: SAX parser now supports files opened with file descriptor or
+  bytes path.
+
 - Issue #22609: Constructors and update methods of mapping classes in the
   collections module now accept the self keyword argument.
 
-- 
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