Added manga-py source

manga-py-stable_1.x/tests/images.py

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+import unittest
+from os import path
+
+from PIL import Image as PilImage
+
+from manga_py import fs
+from manga_py.image import Image
+
+root_path = path.dirname(path.realpath(__file__))
+
+files_paths = [
+    ['/files/img1.jpg', '/temp/img1.jpg'],
+    ['/files/img2.png', '/temp/img2.png'],
+    ['/files/img3.jpg', '/temp/img3.jpg'],
+    ['/files/img4.jpg', '/temp/img4.jpg'],
+    ['/files/img5.png', '/temp/img5.png'],
+    ['/files/img6.gif', '/temp/img6.gif'],
+    ['/files/img7.webp', '/temp/img7.webp'],
+]
+
+
+class TestImages(unittest.TestCase):
+
+    def test_manual_crop(self):
+        for file in files_paths:
+            fs.unlink(root_path + file[1])
+
+            image = PilImage.open(root_path + file[0])
+            sizes = image.size
+            image.close()
+
+            img = Image(root_path + file[0])
+            img.crop_manual((10, 0, image.size[0], image.size[1]), root_path + file[1])
+            img.close()
+
+            cropped_image = PilImage.open(root_path + file[1])
+            cropped_sizes = cropped_image.size
+            cropped_image.close()
+
+            self.assertTrue((sizes[0] - cropped_sizes[0]) == 10)
+
+    def test_manual_crop_with_offsets(self):
+        for file in files_paths:
+            fs.unlink(root_path + file[1])
+
+            image = PilImage.open(root_path + file[0])
+            sizes = image.size
+            image.close()
+
+            img = Image(root_path + file[0])
+            img.crop_manual_with_offsets((10, 0, 0, 0), root_path + file[1])
+            img.close()
+
+            cropped_image = PilImage.open(root_path + file[1])
+            cropped_sizes = cropped_image.size
+            cropped_image.close()
+
+            self.assertTrue((sizes[0] - cropped_sizes[0]) == 10)
+
+    def test_auto_crop1(self):
+        file = files_paths[0]
+        fs.unlink(root_path + file[1])
+
+        image = PilImage.open(root_path + file[0])
+        sizes = image.size
+        image.close()
+
+        img = Image(root_path + file[0])
+        img.crop_auto(root_path + file[1])
+        img.close()
+
+        cropped_image = PilImage.open(root_path + file[1])
+        cropped_sizes = cropped_image.size
+        cropped_image.close()
+
+        self.assertTrue(sizes[0] > cropped_sizes[0])
+
+    def test_auto_crop2(self):
+        file = files_paths[1]
+        fs.unlink(root_path + file[1])
+
+        image = PilImage.open(root_path + file[0])
+        sizes = image.size
+        image.close()
+
+        img = Image(root_path + file[0])
+        img.crop_auto(root_path + file[1])
+        img.close()
+
+        cropped_image = PilImage.open(root_path + file[1])
+        cropped_sizes = cropped_image.size
+        cropped_image.close()
+
+        self.assertTrue(sizes[0] == cropped_sizes[0])
+
+    def test_auto_crop3(self):
+        file = files_paths[4]
+        fs.unlink(root_path + file[1])
+
+        image = PilImage.open(root_path + file[0])
+        sizes = image.size
+        image.close()
+
+        img = Image(root_path + file[0])
+        img.crop_auto(root_path + file[1])
+        img.close()
+
+        cropped_image = PilImage.open(root_path + file[1])
+        cropped_sizes = cropped_image.size
+        cropped_image.close()
+
+        self.assertTrue(sizes[0] == (2 + cropped_sizes[0]))  # 2px black line
+
+    def test_image_not_found(self):
+        self.assertRaises(AttributeError, lambda: Image(root_path))
+
+    def test_gray1(self):
+        file = files_paths[1]
+        fs.unlink(root_path + file[1])
+
+        image = Image(root_path + file[0])
+        image.gray(root_path + file[1])
+        image.close()
+
+        image = PilImage.open(root_path + file[1])
+        index = image.mode.find('L')
+        image.close()
+
+        self.assertTrue(index == 0)
+
+    def test_convert(self):
+        file = files_paths[0][0]
+        image = Image(root_path + file)
+
+        basename = file[0:file.find('.')]
+        basename = root_path + '/temp' + basename + '.bmp'
+        image.convert(basename)
+        image.close()
+
+        self.assertTrue(path.isfile(basename))