2016/09/20

# import json

# dic = {‘k1‘: ‘v1‘}
# print(dic, type(dic))
#
# res = json.dumps(dic)  # 将python的基本数据类型转化成字符串类型
# print(res,type(res))
#
#
# s1 = ‘{"abc": 123}‘  # 外面单引号，里面双引号
# dic2 = json.loads(s1)  # 将python的字符串类型转化成基本数据类型
# print(dic2, type(dic2))

import json

li = [11,22,33]
json.dump(li, open(‘db‘, ‘w‘))  # dump:列表转化为字符串，再写入文件

li = json.load(open(‘db‘,‘r‘))  # load:读取文件，并将字符串转化为列表
print(type(li),li)

import time

# print(time.time())	# 时间戳，1970年1月1日到当前的秒
# print(time.ctime())		# Tue Sep 20 09:47:33 2016 当前时间
# print(time.ctime(time.time()-86400))	# Mon Sep 19 09:49:00 2016 减一天

# time_obj = time.gmtime()	# time.struct_time(tm_year=2016, tm_mon=9, tm_mday=20, tm_hour=1, tm_min=57, tm_sec=1, tm_wday=1, tm_yday=264, tm_isdst=0)
# print(time_obj)
# print(‘{year}-{month}‘.format(year=time_obj.tm_year,month=time_obj.tm_mon))

# print(time.localtime())	# 本地时间 struct_time
# print(time.mktime(time.localtime())) # 转换为时间戳

# time.sleep(4)	# 延迟4s
# print(‘dfadfa‘)

# print(time.strftime(‘%Y-%m-%d %H:%M:%S‘,time.gmtime())) # 2016-09-20 02:11:52 UTC时间 格式化
# print(time.strftime(‘%Y-%m-%d %H:%M:%S‘,time.localtime())) # 2016-09-20 10:12:47 本地时间 格式化

# print(time.strptime(‘2016-09-20 10:15‘,‘%Y-%m-%d %H:%M‘)) # 字符串转为struct_time格式



import datetime

# print(datetime.date.today())	# 2016-09-20
# print(datetime.datetime.now())	# 2016-09-20 10:21:50.901668

# print(datetime.datetime.now() + datetime.timedelta(days=10))	# 比现在加10天

# current_time = datetime.datetime.now()
# print(current_time.replace(2088,8,8))	# 2088-08-08 10:31:34.615685

# %Y  Year with century as a decimal number.
# %m  Month as a decimal number [01,12].
# %d  Day of the month as a decimal number [01,31].
# %H  Hour (24-hour clock) as a decimal number [00,23].
# %M  Minute as a decimal number [00,59].
# %S  Second as a decimal number [00,61].
# %z  Time zone offset from UTC.
# %a  Locale‘s abbreviated weekday name.
# %A  Locale‘s full weekday name.
# %b  Locale‘s abbreviated month name.
# %B  Locale‘s full month name.
# %c  Locale‘s appropriate date and time representation.
# %I  Hour (12-hour clock) as a decimal number [01,12].
# %p  Locale‘s equivalent of either AM or PM.

import logging

# create logger
logger = logging.getLogger(‘TEST-LOG‘)	# get the logger object first
logger.setLevel(logging.DEBUG)			# set a global log level

# create console handler and set level to debug
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)

# create file handler and set level to warning
fh = logging.FileHandler("access.log")
fh.setLevel(logging.WARNING)
fh_err = logging.FileHandler("error.log")
fh_err.setLevel(logging.ERROR)

# create formatter
formatter = logging.Formatter(‘%(asctime)s - %(name)s - %(levelname)s - %(message)s‘)

# add formatter to ch and fh
ch.setFormatter(formatter)
fh.setFormatter(formatter)
fh_err.setFormatter(formatter)

# add ch and fh to logger
logger.addHandler(ch)
logger.addHandler(fh)
logger.addHandler(fh_err)

# ‘application‘ code
logger.debug(‘debug message‘)
logger.info(‘info message‘)
logger.warn(‘warn message‘)
logger.error(‘error message‘)
logger.critical(‘critical message‘)

# import commons


# def run():
# 	inp = input(‘请输入要访问的url‘)
# 	if inp == ‘login‘:
# 		commons.login()
# 	elif inp == ‘logout‘:
# 		commons.logout()
# 	elif inp == ‘home‘:
# 		commons.home()
# 	else:
# 		print(‘404‘)

# getattr()
# hasattr()
# delattr()
# setattr()
def run():
	inp = input(‘请输入要访问的url‘)		# inp字符串类型 inp = ’login‘
	m, f = inp.split(‘/‘)
	obj = __import__(‘lib.‘ + m, fromlist=True)
	if hasattr(obj, f):
		func = getattr(obj, f)	# 利用字符串的形式去对象(模块)中操作(寻找/检查/删除/设置)成员，反射
		func()
	else:
		print(‘404‘)


if __name__ ==  ‘__main__‘:
	run()

import sys
import os
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

def run():
if __name__ == ‘__main__‘:
print(‘run‘)

import sys
import time


def view_bar(num, total):
    rate = num / total
    rate_num = int(rate * 100)
    r = ‘\r%d%%%s‘ % (rate_num,‘=‘*int(num/2), )
    # print(r)
    sys.stdout.write(r)
    sys.stdout.flush()


if __name__ == ‘__main__‘:
    for i in range(0, 101):
        time.sleep(0.05)
        view_bar(i, 100)

import hashlib
obj = hashlib.md5()
obj.update(bytes(‘123‘,encoding=‘utf-8‘))
result = obj.hexdigest()
result1 = obj.digest()
print(result)
print(result1)