python 异步库比较

下表比较了Gruvi针对asyncio，gevent和eventlet的一些设计决策和功能。
http://eb2dec84.wiz03.com/share/s/3HbuO40KyQdv2DUiir2nBZ9q1nxiAN3XUAw12bf0ff24rYBI

特征	Gruvi	Asyncio	Gevent	Eventlet
IO library(依赖包)	libuv	stdlib	libev	stdlib / libevent
IO抽象传输/协议	Transports/ProtocolsGreen	sockets	Green sockets	reen sockets
Threading	fibers	yield from	greenlet	greenlet
Resolver(解析器)	threadpool	threadpool	threadpool / c-ares	blocking/dnspython
Python: 2.x	YES (2.7)	YES (2.6+, viaTrollius)	YES	YES
Python: 3.x	YES (3.3+)	YES	NO	NO
Python: PyPy	NO	NO	YES	YES
Platform: Linux	FAST(快速)	FAST	FAST	FAST
Platform: Mac OSX	FAST	FAST	FAST	FAST
Platform: Windows	FAST (IOCP)	FAST (IOCP)	SLOW (select)	SLOW (select)
SSL: Posix	FAST	FAST	FAST	FAST
SSL: Windows	FAST (IOCP)	FAST (IOCP 3.5+)	SLOW (select)	SLOW (select)
SSL: Contexts	YES (also Py2.7)	YES (also Py2.6+)	NO	NO
HTTP	FAST (via http-parser)	NO (external)	SLOW (stdlib)	SLOW (stdlib)
Monkey Patching(是否使用猴子补丁)	NO	NO	YES	YES

# 测试代码块
import time
time_tuple = time.localtime(time.time())
print time_tuple  # time.struct_time(tm_year=2019, tm_mon=1, tm_mday=30, tm_hour=11, tm_min=29, tm_sec=33, tm_wday=2, tm_yday=30, tm_isdst=0)