readline.get_current_history_length() Return the number of items currently in the history. (This is different from get_history_length(), which returns the maximum number of lines that will be written to a history file.)

calendar.monthcalendar(year, month) Returns a matrix representing a month’s calendar. Each row represents a week; days outside of the month a represented by zeros. Each week begins with Monday unless set by setfirstweekday().

class msilib.Feature(db, id, title, desc, display, level=1, parent=None, directory=None, attributes=0) Add a new record to the Feature table, using the values id, parent.id, title, desc, display, level, directory, and attributes. The resulting feature object can be passed to the start_component() method of Directory. set_current() Make this feature the current feature of msilib. New components are automatically added to the default feature, unless a feature is explicitly specified.

socket.getservbyport(port[, protocolname]) Translate an Internet port number and protocol name to a service name for that service. The optional protocol name, if given, should be 'tcp' or 'udp', otherwise any protocol will match.

class collections.abc.Container class collections.abc.Hashable class collections.abc.Sized class collections.abc.Callable ABCs for classes that provide respectively the methods __contains__(), __hash__(), __len__(), and __call__().

struct.pack_into(fmt, buffer, offset, v1, v2, ...) Pack the values v1, v2, ... according to the format string fmt and write the packed bytes into the writable buffer buffer starting at position offset. Note that offset is a required argument.

__delitem__(key) discard(key) Delete the message corresponding to key from the mailbox. If no such message exists, a KeyError exception is raised if the method was called as remove() or __delitem__() but no exception is raised if the method was called as discard(). The behavior of discard() may be preferred if the underlying mailbox format supports concurrent modification by other processes.

class ctypes.c_char Represents the C char datatype, and interprets the value as a single character. The constructor accepts an optional string initializer, the length of the string must be exactly one character.

compressed

class socketserver.UnixDatagramServer(server_address, RequestHandlerClass, bind_and_activate=True) These more infrequently used classes are similar to the TCP and UDP classes, but use Unix domain sockets; they’re not available on non-Unix platforms. The parameters are the same as for TCPServer.