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"""

http://saepy.sinaapp.com/topic/24/Tornado%E4%B8%8A%E4%BC%A0%E6%96%87%E4%BB%B6%E7%A4%BA%E4%BE%8B

在bcore的开发过程中，涉及到上传文件有两个地方，一个是相册，一个是文章图文混排。这里作为一个备忘。罗列一些关键点：

文件上传的内容体在tornado.web.RequestHandler.request.files属性中，并且是以数组形式存放的。
使用临时文件存储时，在write完成后要记着把seek重置到文件头。要不然文件无法被读取。
再使用Image模块的thumbnail方法进行缩放时,resample=1作为重载渲染参数能够有效的使图片平滑，消除锯齿。

jamiesun

#coding=:utf-8
import hashlib
from settings import settings
import memcache
import cPickle  as pickle

mcache = memcache.Client(settings['memcache_url'],debug=0)

def cache_data(category='all',timeout=3600):
    def func_warp1(func):

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def resize_img(img_path, out_path, new_width):
    import Image
    #读取图像
    im = Image.open(img_path)
    #获得图像的宽度和高度
    width,height = im.size
    #计算高宽比
    ratio = 1.0 * height / width
    #计算新的高度
    new_height = int(new_width * ratio)

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#!/bin/sh
#
# Simple Redis init.d script conceived to work on Linux systems
# as it does use of the /proc filesystem.
#
# redis    This is the init script for starting up the Redis server
#
# chkconfig: 2345 85 15
# description: Starts and stops the redis daemon that handles \
#              all redis session requests.

jamiesun

#!/usr/bin/env python
#coding:utf-8

import sys, os, re
import logging

from tornado.ioloop import IOLoop
from tornado.iostream import IOStream
from tornado.netutil import TCPServer

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from concurrent.futures import ThreadPoolExecutor
from functools import partial, wraps
import time

import tornado.ioloop
import tornado.web


EXECUTOR = ThreadPoolExecutor(max_workers=4)

jamiesun

#!/usr/bin/env python2
#coding:utf-8

import logging

from tornado.ioloop import IOLoop
from tornado.iostream import IOStream
from tornado.tcpserver import TCPServer

logging.basicConfig(level=logging.INFO, format='%(levelname)s - - %(asctime)s %(message)s', datefmt='[%d/%b/%Y %H:%M:%S]')

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import os,sqlite3

def  create_sql(infile,outfile):

    print infile,outfile

    outfs = open(outfile,'wb')

    with open(infile,'rb') as infs:

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jamiesun

import datetime

def __next_id():
    _inum = [10000] 
    def _next():
        if _inum[0] >= 99999:
            _inum[0] = 10000
        _inum[0] += 1
        _prefix = datetime.datetime.now().strftime('%Y%m%d%H%M%S')
        return int("%s%s"%(_prefix,_inum[0]))