math.acos(x) Return the arc cosine of x, in radians.

right_only Files and subdirectories only in b.

DefaultCookiePolicy.set_allowed_domains(allowed_domains) Set the sequence of allowed domains, or None.

exception xml.sax.SAXNotSupportedException(msg, exception=None) Subclass of SAXException raised when a SAX XMLReader is asked to enable a feature that is not supported, or to set a property to a value that the implementation does not support. SAX applications and extensions may use this class for similar purposes.

coroutine AbstractEventLoop.getnameinfo(sockaddr, flags=0) This method is a coroutine, similar to socket.getnameinfo() function but non-blocking.

ast.fix_missing_locations(node) When you compile a node tree with compile(), the compiler expects lineno and col_offset attributes for every node that supports them. This is rather tedious to fill in for generated nodes, so this helper adds these attributes recursively where not already set, by setting them to the values of the parent node. It works recursively starting at node.

unittest.removeHandler(function=None) When called without arguments this function removes the control-c handler if it has been installed. This function can also be used as a test decorator to temporarily remove the handler whilst the test is being executed: @unittest.removeHandler def test_signal_handling(self): ...

ctypes.alignment(obj_or_type) Returns the alignment requirements of a ctypes type. obj_or_type must be a ctypes type or instance.

BaseProtocol.pause_writing() Called when the transport’s buffer goes over the high-water mark.

Cookie.get_nonstandard_attr(name, default=None) If cookie has the named cookie-attribute, return its value. Otherwise, return default.