Refs #35326 -- Removed FileSystemStorage.OS_OPEN_FLAGS per deprecation timeline.

django/core/files/storage/filesystem.py

@@ -1,5 +1,4 @@
 import os
-import warnings
 from datetime import datetime, timezone
 from urllib.parse import urljoin
 
@@ -9,7 +8,6 @@ from django.core.files.move import file_move_safe
 from django.core.signals import setting_changed
 from django.utils._os import safe_join
 from django.utils.deconstruct import deconstructible
-from django.utils.deprecation import RemovedInDjango60Warning
 from django.utils.encoding import filepath_to_uri
 from django.utils.functional import cached_property
 
@@ -23,9 +21,6 @@ class FileSystemStorage(Storage, StorageSettingsMixin):
     Standard filesystem storage
     """
 
-    # RemovedInDjango60Warning: remove OS_OPEN_FLAGS.
-    OS_OPEN_FLAGS = os.O_WRONLY | os.O_CREAT | os.O_EXCL | getattr(os, "O_BINARY", 0)
-
     def __init__(
         self,
         location=None,
@@ -40,16 +35,6 @@ class FileSystemStorage(Storage, StorageSettingsMixin):
         self._directory_permissions_mode = directory_permissions_mode
         self._allow_overwrite = allow_overwrite
         setting_changed.connect(self._clear_cached_properties)
-        # RemovedInDjango60Warning: remove this warning.
-        if self.OS_OPEN_FLAGS != os.O_WRONLY | os.O_CREAT | os.O_EXCL | getattr(
-            os, "O_BINARY", 0
-        ):
-            warnings.warn(
-                "Overriding OS_OPEN_FLAGS is deprecated. Use "
-                "the allow_overwrite parameter instead.",
-                RemovedInDjango60Warning,
-                stacklevel=2,
-            )
 
     @cached_property
     def base_location(self):
@@ -127,12 +112,7 @@ class FileSystemStorage(Storage, StorageSettingsMixin):
                         | os.O_EXCL
                         | getattr(os, "O_BINARY", 0)
                     )
-                    # RemovedInDjango60Warning: when the deprecation ends, replace with:
+                    if self._allow_overwrite:
-                    # if self._allow_overwrite:
-                    #     open_flags = open_flags & ~os.O_EXCL
-                    if self.OS_OPEN_FLAGS != open_flags:
-                        open_flags = self.OS_OPEN_FLAGS
-                    elif self._allow_overwrite:
                         open_flags = open_flags & ~os.O_EXCL
                     fd = os.open(full_path, open_flags, 0o666)
                     _file = None

docs/releases/6.0.txt

@@ -318,3 +318,6 @@ to remove usage of these features.
 * The ``check`` keyword argument of ``CheckConstraint`` is removed.
 
 * The ``get_cache_name()`` method of ``FieldCacheMixin`` is removed.
+
+* The ``OS_OPEN_FLAGS`` attribute of
+  :class:`~django.core.files.storage.FileSystemStorage` is removed.

tests/file_storage/tests.py

@@ -25,18 +25,11 @@ from django.core.files.uploadedfile import (
 )
 from django.db.models import FileField
 from django.db.models.fields.files import FileDescriptor
-from django.test import (
+from django.test import LiveServerTestCase, SimpleTestCase, TestCase, override_settings
-    LiveServerTestCase,
-    SimpleTestCase,
-    TestCase,
-    ignore_warnings,
-    override_settings,
-)
 from django.test.utils import requires_tz_support
 from django.urls import NoReverseMatch, reverse_lazy
 from django.utils import timezone
 from django.utils._os import symlinks_supported
-from django.utils.deprecation import RemovedInDjango60Warning
 
 from .models import (
     Storage,
@@ -609,69 +602,6 @@ class CustomStorageTests(FileStorageTests):
         self.storage.delete(second)
 
 
-# RemovedInDjango60Warning: Remove this class.
-class OverwritingStorage(FileSystemStorage):
-    """
-    Overwrite existing files instead of appending a suffix to generate an
-    unused name.
-    """
-
-    # Mask out O_EXCL so os.open() doesn't raise OSError if the file exists.
-    OS_OPEN_FLAGS = FileSystemStorage.OS_OPEN_FLAGS & ~os.O_EXCL
-
-    def get_available_name(self, name, max_length=None):
-        """Override the effort to find an used name."""
-        return name
-
-
-# RemovedInDjango60Warning: Remove this test class.
-class OverwritingStorageOSOpenFlagsWarningTests(SimpleTestCase):
-    storage_class = OverwritingStorage
-
-    def setUp(self):
-        self.temp_dir = tempfile.mkdtemp()
-        self.addCleanup(shutil.rmtree, self.temp_dir)
-
-    def test_os_open_flags_deprecation_warning(self):
-        msg = "Overriding OS_OPEN_FLAGS is deprecated. Use the allow_overwrite "
-        msg += "parameter instead."
-        with self.assertWarnsMessage(RemovedInDjango60Warning, msg) as ctx:
-            self.storage = self.storage_class(
-                location=self.temp_dir, base_url="/test_media_url/"
-            )
-        self.assertEqual(ctx.filename, __file__)
-
-
-# RemovedInDjango60Warning: Remove this test class.
-@ignore_warnings(category=RemovedInDjango60Warning)
-class OverwritingStorageOSOpenFlagsTests(FileStorageTests):
-    storage_class = OverwritingStorage
-
-    def test_save_overwrite_behavior(self):
-        """Saving to same file name twice overwrites the first file."""
-        name = "test.file"
-        self.assertFalse(self.storage.exists(name))
-        content_1 = b"content one"
-        content_2 = b"second content"
-        f_1 = ContentFile(content_1)
-        f_2 = ContentFile(content_2)
-        stored_name_1 = self.storage.save(name, f_1)
-        try:
-            self.assertEqual(stored_name_1, name)
-            self.assertTrue(self.storage.exists(name))
-            self.assertTrue(os.path.exists(os.path.join(self.temp_dir, name)))
-            with self.storage.open(name) as fp:
-                self.assertEqual(fp.read(), content_1)
-            stored_name_2 = self.storage.save(name, f_2)
-            self.assertEqual(stored_name_2, name)
-            self.assertTrue(self.storage.exists(name))
-            self.assertTrue(os.path.exists(os.path.join(self.temp_dir, name)))
-            with self.storage.open(name) as fp:
-                self.assertEqual(fp.read(), content_2)
-        finally:
-            self.storage.delete(name)
-
-
 class OverwritingStorageTests(FileStorageTests):
     storage_class = FileSystemStorage