gh-86094: Add support for Unicode Path Extra Field in ZipFile (gh-102566)

1 files changed, 27 insertions, 0 deletions

diff --git a/Lib/test/test_zipfile/test_core.py b/Lib/test/test_zipfile/test_core.py
index e23f5c2..73c6b01 100644
--- a/Lib/test/test_zipfile/test_core.py
+++ b/Lib/test/test_zipfile/test_core.py
@@ -1616,6 +1616,33 @@ class OtherTests(unittest.TestCase):
             self.assertEqual(zf.filelist[0].filename, "foo.txt")
             self.assertEqual(zf.filelist[1].filename, "\xf6.txt")
 
+    @requires_zlib()
+    def test_read_zipfile_containing_unicode_path_extra_field(self):
+        with zipfile.ZipFile(TESTFN, mode='w') as zf:
+            # create a file with a non-ASCII name
+            filename = '이름.txt'
+            filename_encoded = filename.encode('utf-8')
+
+            # create a ZipInfo object with Unicode path extra field
+            zip_info = zipfile.ZipInfo(filename)
+
+            tag_for_unicode_path = b'\x75\x70'
+            version_of_unicode_path = b'\x01'
+
+            import zlib
+            filename_crc = struct.pack('<L', zlib.crc32(filename_encoded))
+
+            extra_data = version_of_unicode_path + filename_crc + filename_encoded
+            tsize = len(extra_data).to_bytes(2, 'little')
+
+            zip_info.extra = tag_for_unicode_path + tsize + extra_data
+
+            # add the file to the ZIP archive
+            zf.writestr(zip_info, b'Hello World!')
+
+        with zipfile.ZipFile(TESTFN, "r") as zf:
+            self.assertEqual(zf.filelist[0].filename, "이름.txt")
+
     def test_read_after_write_unicode_filenames(self):
         with zipfile.ZipFile(TESTFN2, 'w') as zipfp:
             zipfp.writestr('приклад', b'sample')