Added context managers

Tests/check_fli_oob.py

@@ -61,7 +61,7 @@ repro_copy = (
 
 
 for path in repro_ss2 + repro_lc + repro_advance + repro_brun + repro_copy:
-    im = Image.open(path)
+    with Image.open(path) as im:
         try:
             im.load()
         except Exception as msg:

Tests/check_jp2_overflow.py

@@ -19,7 +19,7 @@ from PIL import Image
 repro = ("00r0_gray_l.jp2", "00r1_graya_la.jp2")
 
 for path in repro:
-    im = Image.open(path)
+    with Image.open(path) as im:
         try:
             im.load()
         except Exception as msg:

Tests/test_file_jpeg2k.py

@@ -31,7 +31,7 @@ def roundtrip(im, **options):
     im.save(out, "JPEG2000", **options)
     test_bytes = out.tell()
     out.seek(0)
-    im = Image.open(out)
+    with Image.open(out) as im:
         im.bytes = test_bytes  # for testing only
         im.load()
     return im

Tests/test_file_png.py

@@ -757,7 +757,7 @@ class TestFilePng:
 
         if buffer:
             mystdout = mystdout.buffer
-        reloaded = Image.open(mystdout)
+        with Image.open(mystdout) as reloaded:
             assert_image_equal_tofile(reloaded, TEST_PNG_FILE)
 
 

Tests/test_image_resize.py

@@ -154,7 +154,7 @@ class TestImagingCoreResize:
 
 @pytest.fixture
 def gradients_image():
-    im = Image.open("Tests/images/radial_gradients.png")
+    with Image.open("Tests/images/radial_gradients.png") as im:
         im.load()
     try:
         yield im

Tests/test_imagechops.py

@@ -368,8 +368,8 @@ def test_subtract_modulo_no_clip():
 
 def test_soft_light():
     # Arrange
-    im1 = Image.open("Tests/images/hopper.png")
+    with Image.open("Tests/images/hopper.png") as im1:
-    im2 = Image.open("Tests/images/hopper-XYZ.png")
+        with Image.open("Tests/images/hopper-XYZ.png") as im2:
 
             # Act
             new = ImageChops.soft_light(im1, im2)
@@ -381,8 +381,8 @@ def test_soft_light():
 
 def test_hard_light():
     # Arrange
-    im1 = Image.open("Tests/images/hopper.png")
+    with Image.open("Tests/images/hopper.png") as im1:
-    im2 = Image.open("Tests/images/hopper-XYZ.png")
+        with Image.open("Tests/images/hopper-XYZ.png") as im2:
 
             # Act
             new = ImageChops.hard_light(im1, im2)
@@ -394,8 +394,8 @@ def test_hard_light():
 
 def test_overlay():
     # Arrange
-    im1 = Image.open("Tests/images/hopper.png")
+    with Image.open("Tests/images/hopper.png") as im1:
-    im2 = Image.open("Tests/images/hopper-XYZ.png")
+        with Image.open("Tests/images/hopper-XYZ.png") as im2:
 
             # Act
             new = ImageChops.overlay(im1, im2)

Tests/test_pickle.py

@@ -88,7 +88,7 @@ def test_pickle_la_mode_with_palette(tmp_path):
 @skip_unless_feature("webp")
 def test_pickle_tell():
     # Arrange
-    image = Image.open("Tests/images/hopper.webp")
+    with Image.open("Tests/images/hopper.webp") as image:
 
         # Act: roundtrip
         unpickled_image = pickle.loads(pickle.dumps(image))

Tests/test_sgi_crash.py

@@ -21,6 +21,6 @@ from PIL import Image
 )
 def test_crashes(test_file):
     with open(test_file, "rb") as f:
-        im = Image.open(f)
+        with Image.open(f) as im:
             with pytest.raises(OSError):
                 im.load()