在python中实现Go语法

Go syntax implementation in python

Python 其它杂项

访问GitHub主页

共53Star

详细介绍

GoStyle

Go syntax implementation in Python.

Installation

pip install gostyle

Threading Wrapper Like goRoutine

In GoLang, we can create parallel tasks via keyword go:

//GoLang
//...
go XXXX(arg1,arg2)
//...

In GoLang, the thread creating has following features:

  • The parameter passing is the same as the original function defined by user.
  • The original function is still usable as defined.

However, in Python creating a thread is stupid:

#Python
#...
t = threading.Thread(target=XXX, args=(arg1,arg2))
t.start()
#...

Recommended Usage

Usage with best compatibility:

import time
from gostyle import go, Chan
chan1 = Chan()
def test_thread(title:str):
    for cnt in range(10):
        chan1<=cnt
        time.sleep(1)
        print(title)
def chan_reader():
    while True :
        print(chan1())
# Start the thread 
go(test_thread)("Call")
chan_reader()

How To Use Word go in Python

If the function is self-defined, you can use decorator @gostyle.startable() like following:

import time
import gostyle
@gostyle.startable()
def test_thread(title:str):
    while True:
        time.sleep(1)
        print(title)
# Start the thread 
test_thread.start("Start")
# Note that the expression "test_thread('Normal')" can still run the original function in main thread.

Or, if the function is not a class/object method:

import time
import gostyle
@gostyle.destination()
def test_thread(title:str):
    while True:
        time.sleep(1)
        print(title)
# Start the thread 
gostyle.to.test_thread("Go To Destination")
# Note that the expression "test_thread('Normal')" can still run the original function in main thread.

Or:

import time
from gostyle import go
@go.goable()
def test_thread(title:str):
    while True:
        time.sleep(1)
        print(title)
# Start the thread 
go.test_thread("Go")
# Note that the expression "test_thread('Normal')" can still run the original function in main thread.

If the function is not self-defined(you can not add decorator to the function), or the function is a method of a class/object(the function you defined is hard to attach to "go"(same as "to") object in this package), you can use syntax like following:

import time
from gostyle import go
def test_thread(title:str):
    while True:
        time.sleep(1)
        print(title)
# Start the thread 
go(test_thread)("Call")

Run-Forever and Daemonize

The daemon parameter controls the deamon option in package threading. and the forever parameter lets you get rid of a while True: expression in the function you defined.

import time
from gostyle import go
def test_thread(title:str):
    # No Internal WHILE Here.
    time.sleep(1)
    print(title)
# Start the thread 
go(test_thread, forever=True)("Call Forever")
import time
import gostyle
@gostyle.startable(forever=True)
def test_thread(title:str):
    # No Internal WHILE Here.
    time.sleep(1)
    print(title)
# Start the thread 
test_thread.start("Start Loop")

Defer

In GoLang, defer is used to do things(usually cleaning-up) after a function returns.

How To Use in Python

Usage of decorator defer_inside:

from gostyle import defer_inside, defer
@defer_inside
def great_func():
    a = [1,2,3]
    b = 8
    defer(
        lambda : a.append(7),
        lambda : print(a),
        lambda : print(b)
    )
    a.append(9)
    return a,b
print(great_func())

Todos

Threading

Manage Threads started by gostyle Collect return values Single Instance support Yield Support Multithreading Support

Defer

Multi-times Defer Support

Queue

Queue Wrapper

Switch

...

Anonymous Functions

...

推荐源码