本文整理汇总了Python中willow.image.Image.register_backend方法的典型用法代码示例。如果您正苦于以下问题：Python Image.register_backend方法的具体用法？Python Image.register_backend怎么用？Python Image.register_backend使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类willow.image.Image的用法示例。
在下文中一共展示了Image.register_backend方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_register_backend
# 需要导入模块: from willow.image import Image [as 别名]
# 或者: from willow.image.Image import register_backend [as 别名]
def test_register_backend(self):
"""
Tests basic usage of register_backend
"""
Image.register_backend(self.FakeBackend)
self.assertEqual(Image.backends, [self.FakeBackend])示例2: test_register_backend_removes_duplicates
# 需要导入模块: from willow.image import Image [as 别名]
# 或者: from willow.image.Image import register_backend [as 别名]
def test_register_backend_removes_duplicates(self):
"""
Tests register_backend won't insert the same backend more than once
"""
Image.register_backend(self.FakeBackend)
Image.register_backend(self.FakeBackend)
self.assertEqual(Image.backends, [self.FakeBackend])示例3: test_register_backend_multiple
# 需要导入模块: from willow.image import Image [as 别名]
# 或者: from willow.image.Image import register_backend [as 别名]
def test_register_backend_multiple(self):
"""
Tests register_backend can register multiple backends
"""
Image.register_backend(self.FakeBackend)
Image.register_backend(self.AnotherFakeBackend)
self.assertEqual(Image.backends, [self.FakeBackend, self.AnotherFakeBackend])示例4: setUp
# 需要导入模块: from willow.image import Image [as 别名]
# 或者: from willow.image.Image import register_backend [as 别名]
def setUp(self):
# Reset Image class
self.reset()
# Make two fake backends and a bad backend
class FakeBackend(ImageBackend):
def to_buffer(self):
pass
@classmethod
def from_buffer(cls, buf):
return cls()
@classmethod
def from_file(cls, f):
return cls()
class AnotherFakeBackend(ImageBackend):
def to_buffer(self):
pass
@classmethod
def from_buffer(cls, buf):
return cls()
@classmethod
def from_file(cls, f):
return cls()
class BadFakeBackend(ImageBackend):
@classmethod
def check(cls):
raise ImportError("Bad image backend")
self.FakeBackend = FakeBackend
self.AnotherFakeBackend = AnotherFakeBackend
self.BadFakeBackend = BadFakeBackend
Image.register_backend(FakeBackend)
Image.register_backend(AnotherFakeBackend)
Image.register_backend(BadFakeBackend)