python 基础语法梳理（二）

# -*- coding: utf-8 -*-

import gevent
import platform

from gevent import subprocess

def _test_shell(script):

excute_data=[];
err_data=[];

if platform.system() == "Windows":

popen = subprocess.Popen(script, \
shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

excute_data = popen.stdout.readlines()

err_data = popen.stderr.readlines()

for msg_line in excute_data:
print "return: %s" %(msg_line.strip())

for err_line in err_data:
print "err:%s" %(err_line.strip())

def talk(msg):
print(msg)

def _test_spwan():

gevent.spawn(talk,"Fredirc")

if __name__ == '__main__':

_test_shell('java -version')

_test_spwan()

gevent.sleep(0.5)

#上面例子打印输出
#err:java version "1.6.0_37"
#err:Java(TM) SE Runtime Environment (build 1.6.0_37-b06)
#err:Java HotSpot(TM) Client VM (build 20.12-b01, mixed mode, sharing)
#Fredirc

import logging
import os
from logging import FileHandler

def get_logger():
logger = logging.getLogger('fredric_file')
log_format = '%(asctime)s %(filename)s %(lineno)d %(levelname)s %(message)s'
formatter = logging.Formatter(log_format)
logfile = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'log', 'fredric_log.log')
handler = FileHandler(logfile, "a")
handler.setFormatter(formatter)
logger.addHandler(handler)
logger.setLevel(logging.ERROR)
return logger

def get_logger_console():
logger = logging.getLogger("fredric_console")
log_format = '%(asctime)s %(filename)s %(lineno)d %(levelname)s %(message)s'
formatter = logging.Formatter(log_format)
console = logging.StreamHandler()
console.setFormatter(formatter)
logger.addHandler(console)
logger.setLevel(logging.DEBUG)
return logger

logger_file = get_logger()
logger_console = get_logger_console()

if __name__ == '__main__':

logger_file.error("fiel error")
logger_console.error("console error")

logger_file.info("fiel error")
logger_console.info("console error")

# -*- coding: utf-8 -*-

import imp

if __name__ == '__main__':

#获取这个模块
module = imp.load_module("Test", *imp.find_module("test", ["./"]))

#实例化这个模块中的类
temp=module.__getattribute__("Test")();

#执行类包含的方法
temp.do_staff() #打印：do_staff: Test Class

print temp.__str__() #打印：to_string:Test Class