Python PlaceHolderImage Example

说明

python placeholderimage示例是从最受好评的开源项目中提取的实现代码，你可以参考下面示例的使用方式。

编程语言: Python

命名空间/包名称: placeholder

示例#1

文件： generators.py项目： blacktorn/django-autofixture

    def generate(self):
        import uuid
        import shutil
        from django.conf import settings
        from placeholder import PlaceHolderImage

        width, height = random.choice([(100,100), (200,300), (400,600)])
        filename = '{0}x{1}.png'.format(width, height)
        file_path = os.path.join(settings.MEDIA_ROOT, '_autofixture/', filename)
        if not os.path.isdir(os.path.join(settings.MEDIA_ROOT, '_autofixture/')):
            os.makedirs(os.path.join(settings.MEDIA_ROOT, '_autofixture/')) # ensure that _autofixture folder exists

        if os.path.isfile(file_path):
            suffix = str(uuid.uuid4())
            new_file_path = os.path.join(settings.MEDIA_ROOT, '_autofixture/', "_".join([suffix, filename]))
            shutil.copyfile(file_path, new_file_path)
            file_path = new_file_path
        else:
            img = PlaceHolderImage(width = width, height = height, path = file_path)
            img.save_image()
            
        return relpath(file_path, settings.MEDIA_ROOT) 

示例#2

文件： generators.py项目： genba/django-autofixture

    def generate(self):
        import uuid
        from django.conf import settings
        from placeholder import PlaceHolderImage

        width, height = random.choice(self.sizes)

        # Ensure that _autofixture folder exists.
        if not os.path.isdir(os.path.join(settings.MEDIA_ROOT, self.path)):
            os.makedirs(os.path.join(settings.MEDIA_ROOT, self.path))

        i = 0
        filename = self.filename.format(width=width, height=height, suffix=i)
        filepath = os.path.join(settings.MEDIA_ROOT, self.path, filename)

        while os.path.exists(filepath):
            i += 1
            filename = self.filename.format(width=width, height=height, suffix=i)
            filepath = os.path.join(settings.MEDIA_ROOT, self.path, filename)

        img = PlaceHolderImage(width=width, height=height, path=filepath)
        img.save_image()

        return relpath(filepath, settings.MEDIA_ROOT)

示例#3

文件： __init__.py项目： Visgean/python-placeholder

    def test_odd_dimensions(self):
        placeholder = PlaceHolderImage(1, 1, self.filename)
        placeholder.save_image()

        imagefile = Image.open(self.filename)
        self.assertEqual(imagefile.size, (1, 1))

        placeholder = PlaceHolderImage(201, 199, self.filename)
        placeholder.save_image()

        imagefile = Image.open(self.filename)
        self.assertEqual(imagefile.size, (201, 199))

示例#4

文件： __init__.py项目： Visgean/python-placeholder

    def test_dimensions(self):
        placeholder = PlaceHolderImage(200, 100, self.filename)
        placeholder.save_image()

        imagefile = Image.open(self.filename)
        self.assertEqual(imagefile.size, (200, 100))

示例#5

文件： __init__.py项目： Visgean/python-placeholder

 def test_create(self):
     placeholder = PlaceHolderImage(200, 100, self.filename)
     placeholder.save_image()