1#使用__metaclass__(元类)的高级python用法2classSingleton2(type):3def__init__(cls,name,bases,dict):4super(Singleton2,cls).__init__(name,bases,dict)5cls._instance=None6def__call__(cls,*args,**kw):7ifcls._instance is None:8cls._instance=super(Singleton2,cls).__call__(*args,**...
if cls not in cls._instances: cls._instances[cls] = super().__call__(*args, **kwargs) return cls._instances[cls] class SingletonClass(metaclass=SingletonMeta): def __init__(self, value=None): self.value = value or "singleton class instance" obj1 = SingletonClass("first init") ob...
# <project_root>/tests/test_my_second_function.py import unittest import azure.functions as func from function_app import main class TestFunction(unittest.TestCase): def test_my_second_function(self): # Construct a mock HTTP request. req = func.HttpRequest(method='GET', body=None, url='...
>>> class User(object): ... def __init__(self, name): ... self.name = name ... def __eq__(self, o): ... if not o or not isinstance(o, User): return False ... return cmp(self.name, o.name) == 0 >>> a, b = User("tom"), User("tom") 57 >>> a is b!
# Check if the ROM is given through argvif len(sys.argv) > 1: filename = sys.argv[1]else: print("Usage: python mario_boiler_plate.py [ROM file]") exit(1) quiet = "--quiet" in sys.argv pyboy = PyBoy(filename, window_type="headless" if quiet else "SDL2", window_scale=3,...
# test_class.py class TestClass: def test_one(self): x = "this" assert 'h' in x def test_two(self): x = "hello" assert hasattr(x, 'check') .pytest 会找到符合规则(test_.py 呾_test.py)所有测试,因此它发现两个test_前缀功能。 如果叧想运行其中一个,可以指定传递文件名test_class.py...
='cpu'# half precision only supported on CUDA# Load modelmodel=attempt_load(weights,map_location=device)# load FP32 modelstride=int(model.stride.max())# model strideimgsz=check_img_size(imgsz,s=stride)# check img_sizeifhalf:model.half()# to FP16# Second-stage classifierclassify=Falseif...
25ifclass_ids[i]in[3,8,6]: 26car_boxes.append(box) 27 28returnnp.array(car_boxes) 29 30 31# Root directory of the project 32ROOT_DIR = Path(".") 33 34# Directory to save logs and trained model 35MODEL_DIR = os.path.join(ROOT_DIR,"logs") ...
importpickleclassdemo1():def__init__(self,name="dddtttt")self.name=nameprint(pickle.dumps(demo1())) 结果 python3环境下 python2环境下 输出的一大串字符实际上是一串PVM操作码, 可以在pickle.py中看到关于这些操作码的详解. demo2 (反序列化) ...
Options include empty Python files, a Python class, a unit test, and various files related to web applications. You can explore the template options with a test project to learn what's available in your version of Visual Studio. For more information, see the item templates reference....