Resolve __fp when closing and deleting

Tests/test_file_dcx.py

@@ -20,6 +20,12 @@ def test_sanity(self):
         orig = hopper()
         self.assert_image_equal(im, orig)
 
+    def test_unclosed_file(self):
+        def open():
+            im = Image.open(TEST_FILE)
+            im.load()
+        self.assert_warning(None, open)
+
     def test_invalid_file(self):
         with open("Tests/images/flower.jpg", "rb") as fp:
             self.assertRaises(SyntaxError,

Tests/test_file_fli.py

@@ -27,6 +27,12 @@ def test_sanity(self):
         self.assertEqual(im.info["duration"], 71)
         self.assertTrue(im.is_animated)
 
+    def test_unclosed_file(self):
+        def open():
+            im = Image.open(static_test_file)
+            im.load()
+        self.assert_warning(None, open)
+
     def test_tell(self):
         # Arrange
         im = Image.open(static_test_file)

Tests/test_file_gif.py

@@ -33,6 +33,12 @@ def test_sanity(self):
         self.assertEqual(im.format, "GIF")
         self.assertEqual(im.info["version"], b"GIF89a")
 
+    def test_unclosed_file(self):
+        def open():
+            im = Image.open(TEST_GIF)
+            im.load()
+        self.assert_warning(None, open)
+
     def test_invalid_file(self):
         invalid_file = "Tests/images/flower.jpg"
 

Tests/test_file_im.py

@@ -15,6 +15,12 @@ def test_sanity(self):
         self.assertEqual(im.size, (128, 128))
         self.assertEqual(im.format, "IM")
 
+    def test_unclosed_file(self):
+        def open():
+            im = Image.open(TEST_IM)
+            im.load()
+        self.assert_warning(None, open)
+
     def test_tell(self):
         # Arrange
         im = Image.open(TEST_IM)

Tests/test_file_mpo.py

@@ -31,6 +31,12 @@ def test_sanity(self):
             self.assertEqual(im.size, (640, 480))
             self.assertEqual(im.format, "MPO")
 
+    def test_unclosed_file(self):
+        def open():
+            im = Image.open(test_files[0])
+            im.load()
+        self.assert_warning(None, open)
+
     def test_app(self):
         for test_file in test_files:
             # Test APP/COM reader (@PIL135)

Tests/test_file_spider.py

@@ -18,6 +18,12 @@ def test_sanity(self):
         self.assertEqual(im.size, (128, 128))
         self.assertEqual(im.format, "SPIDER")
 
+    def test_unclosed_file(self):
+        def open():
+            im = Image.open(TEST_FILE)
+            im.load()
+        self.assert_warning(None, open)
+
     def test_save(self):
         # Arrange
         temp = self.tempfile('temp.spider')

Tests/test_file_tiff.py

@@ -40,6 +40,12 @@ def test_sanity(self):
         hopper("I").save(filename)
         Image.open(filename)
 
+    def test_unclosed_file(self):
+        def open():
+            im = Image.open("Tests/images/multipage.tiff")
+            im.load()
+        self.assert_warning(None, open)
+
     def test_mac_tiff(self):
         # Read RGBa images from macOS [@PIL136]
 

src/PIL/DcxImagePlugin.py

@@ -81,6 +81,14 @@ def seek(self, frame):
     def tell(self):
         return self.frame
 
+    def _close__fp(self):
+        try:
+            self.__fp.close()
+        except AttributeError:
+            pass
+        finally:
+            self.__fp = None
+
 
 Image.register_open(DcxImageFile.format, DcxImageFile, _accept)
 

src/PIL/FliImagePlugin.py

@@ -154,6 +154,14 @@ def _seek(self, frame):
     def tell(self):
         return self.__frame
 
+    def _close__fp(self):
+        try:
+            self.__fp.close()
+        except AttributeError:
+            pass
+        finally:
+            self.__fp = None
+
 
 #
 # registry

src/PIL/GifImagePlugin.py

@@ -296,6 +296,14 @@ def load_end(self):
             self.im = self._prev_im
         self._prev_im = self.im.copy()
 
+    def _close__fp(self):
+        try:
+            self.__fp.close()
+        except AttributeError:
+            pass
+        finally:
+            self.__fp = None
+
 # --------------------------------------------------------------------
 # Write GIF files
 

src/PIL/ImImagePlugin.py

@@ -290,6 +290,14 @@ def seek(self, frame):
     def tell(self):
         return self.frame
 
+    def _close__fp(self):
+        try:
+            self.__fp.close()
+        except AttributeError:
+            pass
+        finally:
+            self.__fp = None
+
 #
 # --------------------------------------------------------------------
 # Save IM files

src/PIL/Image.py

@@ -596,6 +596,8 @@ def close(self):
         try:
             self.fp.close()
             self.fp = None
+            if hasattr(self, "_close__fp"):
+                self._close__fp()
         except Exception as msg:
             logger.debug("Error closing: %s", msg)
 
@@ -613,6 +615,8 @@ def __del__(self):
                and self.fp and self._exclusive_fp):
                 self.fp.close()
             self.fp = None
+            if hasattr(self, "_close__fp"):
+                self._close__fp()
 
     def _copy(self):
         self.load()

src/PIL/MicImagePlugin.py

@@ -95,9 +95,16 @@ def seek(self, frame):
         self.frame = frame
 
     def tell(self):
-
         return self.frame
 
+    def _close__fp(self):
+        try:
+            self.__fp.close()
+        except AttributeError:
+            pass
+        finally:
+            self.__fp = None
+
 
 #
 # --------------------------------------------------------------------

src/PIL/MpoImagePlugin.py

@@ -84,6 +84,14 @@ def seek(self, frame):
     def tell(self):
         return self.__frame
 
+    def _close__fp(self):
+        try:
+            self.__fp.close()
+        except AttributeError:
+            pass
+        finally:
+            self.__fp = None
+
 
 # ---------------------------------------------------------------------
 # Registry stuff

src/PIL/SpiderImagePlugin.py

@@ -193,6 +193,14 @@ def tkPhotoImage(self):
         from PIL import ImageTk
         return ImageTk.PhotoImage(self.convert2byte(), palette=256)
 
+    def _close__fp(self):
+        try:
+            self.__fp.close()
+        except AttributeError:
+            pass
+        finally:
+            self.__fp = None
+
 
 # --------------------------------------------------------------------
 # Image series

src/PIL/TiffImagePlugin.py

@@ -1347,6 +1347,14 @@ def _setup(self):
             palette = [o8(b // 256) for b in self.tag_v2[COLORMAP]]
             self.palette = ImagePalette.raw("RGB;L", b"".join(palette))
 
+    def _close__fp(self):
+        try:
+            self.__fp.close()
+        except AttributeError:
+            pass
+        finally:
+            self.__fp = None
+
 
 #
 # --------------------------------------------------------------------