// Python/marshal.cvoidPyMarshal_WriteObjectToFile(PyObject *x, FILE *fp, int version){char buf[BUFSIZ]; WFILE wf;if (PySys_Audit("marshal.dumps", "Oi", x, version) < ) {return; /* caller must check PyErr_Occurred() */ }memset(&wf, , sizeof(wf)); wf.fp = fp; ...
# {'first_name': <property object at 0x0000000002E7FAE8>, '__dict__': <attribute '__dict__' of 'Person' objects>, '__init__': <function Person.__init__ at 0x0000000002E8D048>, '__doc__': None, '__weakref__': <attribute '__weakref__' of 'Person' objects>, '__modul...
一个简单的 module 包含一系列 static 函数,这些函数的作用是将 python 能够 handle 的 PyObject 转换成为 C/C++ 代码能够 handle 的类型,比如我们写了一堆算法,是基于 boost.numeric.ublas 的,因此我们已经实现的操作对象是 boost::numeric::matrix<double>,通过一个简单的策略,我们将两者的指针进行转换(一般 Py...
2. coroutine object 将 直接被调用运行;并直到此 coroutine object 执行过程中遇到无法向下执行的事件(如await 一个Task或者Future对象,不能是await coroutine object,否则await的coroutine object也会继续直接被调用执行)时;或者此 coroutine object 执行结束时,返回代表当前 coroutine object 执行结果的Future对象; 3. ...
classMyIterator(object):def__init__(self, xs): self.xs = xsdef__iter__(self):returnselfdef__next__(self):ifself.xs:returnself.xs.pop(0)else:raiseStopIterationforiinMyIterator([0,1,2]):print(i) 结果如下所示: 123 我们能对MyIterator中的实例进行循环的原因是,它用__iter__和__next...
inspect.ismethoddescriptor(object):是否为方法标识符 inspect.isdatadescriptor(object):是否为数字标识符,数字标识符有__get__ 和__set__属性; 通常也有__name__和__doc__属性 inspect.isgetsetdescriptor(object):是否为getset descriptor inspect.ismemberdescriptor(object):是否为member descriptor inspec...
The underlying file descriptor for the file object is then obtained by calling opener with (file, flags). opener must return an open file descriptor (passing os.open as opener results in functionality similar to passing None). 说明: 1. 函数功能打开一个文件,返回一个文件读写对象,然后可以对...
expose(instance_mode="percall") class Worker(object): def get_rate(self, pair, url_tmplt=URL): with urllib.request.urlopen(url_tmplt.format(pair)) as res: body = res.read() return (pair, float(body.strip())) # Create a Pyro daemon which will run our code. daemon = Pyro4....
[Objects/listobject.c]/* Ensure ob_item has room for at least newsize elements, and set * ob_size to newsize. If newsize > ob_size on entry, the content * of the new slots at exit is undefined heap trash; it's the caller's ...
pythonapi.PyFrame_LocalsToFast(py_object(f), 0) >>> def enclose(): ... x = 10 ... ... def test(): ... nonlocal(x = 1000) ... ... test() ... print x >>> enclose() 1000 这种实现通过 _getframe() 来获取外部函数堆栈帧名字空间,存在⼀一些限制.因为拿到是调⽤用者, ...