Only close __fp if not fp

Tests/test_file_tiff.py

@@ -220,6 +220,10 @@ class TestFileTiff(PillowTestCase):
         self.assertEqual(
             im.getextrema(), (-3.140936851501465, 3.140684127807617))
 
+    def test_unknown_pixel_mode(self):
+        self.assertRaises(
+            IOError, Image.open, 'Tests/images/hopper_unknown_pixel_mode.tif')
+
     def test_n_frames(self):
         for path, n_frames in [
             ['Tests/images/multipage-lastframe.tif', 1],

src/PIL/DcxImagePlugin.py

@@ -83,6 +83,7 @@ class DcxImageFile(PcxImageFile):
 
     def _close__fp(self):
         try:
+            if self.__fp != self.fp:
                 self.__fp.close()
         except AttributeError:
             pass

src/PIL/FliImagePlugin.py

@@ -159,6 +159,7 @@ class FliImageFile(ImageFile.ImageFile):
 
     def _close__fp(self):
         try:
+            if self.__fp != self.fp:
                 self.__fp.close()
         except AttributeError:
             pass

src/PIL/GifImagePlugin.py

@@ -304,6 +304,7 @@ class GifImageFile(ImageFile.ImageFile):
 
     def _close__fp(self):
         try:
+            if self.__fp != self.fp:
                 self.__fp.close()
         except AttributeError:
             pass

src/PIL/ImImagePlugin.py

@@ -292,6 +292,7 @@ class ImImageFile(ImageFile.ImageFile):
 
     def _close__fp(self):
         try:
+            if self.__fp != self.fp:
                 self.__fp.close()
         except AttributeError:
             pass

src/PIL/Image.py

@@ -594,10 +594,10 @@ class Image(object):
         :ref:`file-handling` for more information.
         """
         try:
-            self.fp.close()
-            self.fp = None
             if hasattr(self, "_close__fp"):
                 self._close__fp()
+            self.fp.close()
+            self.fp = None
         except Exception as msg:
             logger.debug("Error closing: %s", msg)
 
@@ -611,12 +611,12 @@ class Image(object):
 
     if sys.version_info.major >= 3:
         def __del__(self):
+            if hasattr(self, "_close__fp"):
+                self._close__fp()
             if (hasattr(self, 'fp') and hasattr(self, '_exclusive_fp')
                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

@@ -99,6 +99,7 @@ class MicImageFile(TiffImagePlugin.TiffImageFile):
 
     def _close__fp(self):
         try:
+            if self.__fp != self.fp:
                 self.__fp.close()
         except AttributeError:
             pass

src/PIL/MpoImagePlugin.py

@@ -86,6 +86,7 @@ class MpoImageFile(JpegImagePlugin.JpegImageFile):
 
     def _close__fp(self):
         try:
+            if self.__fp != self.fp:
                 self.__fp.close()
         except AttributeError:
             pass

src/PIL/SpiderImagePlugin.py

@@ -195,6 +195,7 @@ class SpiderImageFile(ImageFile.ImageFile):
 
     def _close__fp(self):
         try:
+            if self.__fp != self.fp:
                 self.__fp.close()
         except AttributeError:
             pass

src/PIL/TiffImagePlugin.py

@@ -1361,6 +1361,7 @@ class TiffImageFile(ImageFile.ImageFile):
 
     def _close__fp(self):
         try:
+            if self.__fp != self.fp:
                 self.__fp.close()
         except AttributeError:
             pass