René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Size parameter doesn't support omitting length or width","articleBody":"According to the docs at https://python-thumbnails.readthedocs.io/en/latest/creating-thumbnails.html\r\n\r\n`size – String with the wanted thumbnail size. On the form: 200x200, 200 or x200.`\r\n\r\nBut using the second or third forms causes an exception:\r\n\r\n```\r\n\u003e\u003e\u003e get_thumbnail('d:\\\\temp\\\\test.jpg', '200x200', crop='center') \r\n\u003cthumbnails.images.Thumbnail object at 0x0000022108309B08\u003e\r\n\u003e\u003e\u003e get_thumbnail('d:\\\\temp\\\\test.jpg', '200x', crop='center')    \r\nTraceback (most recent call last):\r\n  File \"\u003cstdin\u003e\", line 1, in \u003cmodule\u003e\r\n  File \"C:\\Users\\USER\\Envs\\cypress\\lib\\site-packages\\thumbnails\\__init__.py\", line 53, in get_thumbnail\r\n    size = engine.parse_size(size)\r\n  File \"C:\\Users\\USER\\Envs\\cypress\\lib\\site-packages\\thumbnails\\engines\\base.py\", line 183, in parse_size\r\n    return int(size.split('x')[0]), int(size.split('x')[1])\r\nValueError: invalid literal for int() with base 10: ''\r\n\u003e\u003e\u003e get_thumbnail('d:\\\\temp\\\\test.jpg', 'x200', crop='center')  \r\nTraceback (most recent call last):\r\n  File \"\u003cstdin\u003e\", line 1, in \u003cmodule\u003e\r\n  File \"C:\\Users\\USER\\Envs\\cypress\\lib\\site-packages\\thumbnails\\__init__.py\", line 54, in get_thumbnail\r\n    thumbnail.image = engine.get_thumbnail(original, size, crop, options)\r\n  File \"C:\\Users\\USER\\Envs\\cypress\\lib\\site-packages\\thumbnails\\engines\\base.py\", line 37, in get_thumbnail\r\n    image = self.create(original, size, crop, options)\r\n  File \"C:\\Users\\USER\\Envs\\cypress\\lib\\site-packages\\thumbnails\\engines\\base.py\", line 58, in create\r\n    crop = self.parse_crop(crop, self.get_image_size(image), size)\r\n  File \"C:\\Users\\USER\\Envs\\cypress\\lib\\site-packages\\thumbnails\\engines\\base.py\", line 209, in parse_crop\r\n    x_offset = self.calculate_offset(x_crop, original_size[0], size[0])\r\n  File \"C:\\Users\\USER\\Envs\\cypress\\lib\\site-packages\\thumbnails\\engines\\base.py\", line 226, in calculate_offset\r\n    min(percent * original_length / 100.0, original_length - length / 2) - length / 2)\r\nTypeError: unsupported operand type(s) for /: 'NoneType' and 'int'\r\n```","author":{"url":"https://github.com/roytang","@type":"Person","name":"roytang"},"datePublished":"2020-09-20T20:35:46.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/36/python-thumbnails/issues/36"}