appendonly yes

appendfilename appendonly.aof

appendonly yes  # 启用 aof 持久化方式
# appendfsync always  # 收到写命令就立即写入磁盘，最慢，但是保证完全的持久化
appendfsync everysec  # 每秒钟写入磁盘一次，在性能和持久化方面做了很好的折中
# appendfsync no  # 完全依赖 os, 性能最好，持久化没保证

slaveof 主数据库地址 主数据库端口

get keydemo
multi
set keydemo 10
set keydemo 20
exec
get keydemo

pip install openpyxl

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

from openpyxl import Workbook, load_workbook


class ExcelWriter:
	def __init__(self, name):
		self.name = name
		self.wb = Workbook()

	def create_work_sheet(self, sheet_name, index):
		ws = self.wb.create_sheet(sheet_name, index)
		ws.sheet_properties.tabColor = "1072BA"

	def write_row(self):
		ws = self.wb.active
		for row in range(1, 10):  # 1 到 10 行
			ws.append(range(10))  # 10 列
		self.wb.save(self.name)

	def set_cell_value(self, row, col, value):
		ws = self.wb.active
		ws.cell(row=row, column=col).value = value

	def save(self):
		self.wb.save(self.name)


class ExcelReader:
	def __init__(self, path):
		self.path = path
		self.wb = load_workbook(path)

	def get_all_sheetnames(self):
		return self.wb.get_sheet_names

	def get_all_rows(self, sheet_name):
		"""
		按行进行迭代
		:param sheet_name:
		:return:
		"""
		ws = self.wb.get_sheet_by_name(sheet_name)  # 调用 get_sheet_by_name 如果 sheet name 不存在返回 None
		if ws is None:
			return
		rows = ws.rows
		for row in rows:
			if row is None:
				return
			yield [col.value for col in row]

	def get_cell_value(self, sheet_name, row, col):
		ws = self.wb.get_sheet_by_name(sheet_name)
		if ws is None:
			return
		return ws.cell(row=row, column=col).value


if __name__ == '__main__':
	writer = ExcelWriter("sample.xlsx")

	writer.write_row()

	reader = ExcelReader('sample.xlsx')
	sn = reader.get_all_sheetnames()

	for data in reader.get_all_rows('Sheet'):
		print data

deb http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ jessie main non-free contrib
deb-src http://mirrors.tuna.tsinghua.edu.cn/raspbian/raspbian/ jessie main non-free contrib

sudo apt-get update

sudo apt-get upgrade

sudo apt-get dist-upgrade

sudo rpi-update

sudo apt-get instal ttf-wqy-microhei
sudo apt-get install scim-pinyin
sudo dpkg-reconfigure locales

sudo apt-get install ntfs-3g

sudo mount -t ntfs-3g /dev/sda1 /media/sda1

ntfs-3g /dev/sda1 /media/sda1

sudo apt-get install samba

[Public]
   comment = Public Storage  # 共享文件夹说明
   path = /home/pi/Public # 共享文件夹目录
   read only = no # 不只读
   create mask = 0777 # 创建文件的权限
   directory mask = 0777 # 创建文件夹的权限
   guest ok = yes # guest访问，无需密码
   browseable = yes # 可见

sudo chmod -R 777 /home/pi/Public/

sudo samba restart

deb [arch=armhf] http://linux-packages.resilio.com/resilio-sync/deb resilio-sync non-free

wget -qO - https://linux-packages.resilio.com/resilio-sync/key.asc | sudo apt-key add -

sudo dpkg --add-architecture armhf
sudo apt-get update

sudo apt-get install resilio-sync

from flask import Flask
from flask.ext.admin import Admin

app = Flask(__name__)

admin = Admin(app)

app.run()

from flask import Flask
from flask.ext.admin import Admin, BaseView, expose

class MyView(BaseView):
	@expose('/')
	def index(self):
		return self.render('index.html')

app = Flask(__name__)

admin = Admin(app)
admin.add_view(MyView(name='Hello'))

app.run()

from flask.ext.admin.contrib.sqla import ModelView

admin = Admin(app)
admin.add_view(ModelView(User, db.session))

from flask.ext.admin.contrib.sqla import ModelView

# Flask and Flask-SQLAlchemy initialization here

class MyView(ModelView):
	# Disable model creation
	can_create = False

	# Override displayed fields
	column_list = ('login', 'email')

	def __init__(self, session, **kwargs):
		# You can pass name and other parameters if you want to
		super(MyView, self).__init__(User, session, **kwargs)

admin = Admin(app)
admin.add_view(MyView(db.session))

from flask.ext.admin.contrib.fileadmin import FileAdmin

import os.path as op

# Flask setup here

admin = Admin(app)

path = op.join(op.dirname(__file__), 'static')
admin.add_view(FileAdmin(path, '/static/', name='Static Files'))

pip install werkzeug

from flask import Flask, request
from werkzeug.utils import secure_filename
import os

app = Flask(__name__)

app.config['UPLOAD_FOLDER'] = 'static/uploads/'
app.config['ALLOWED_EXTENSIONS'] = set(['png', 'jpg', 'jpeg', 'gif'])

# For a given file, return whether it's an allowed type or not
def allowed_file(filename):
	return '.' in filename and \
		   filename.rsplit('.', 1)[1] in app.config['ALLOWED_EXTENSIONS']

@app.route('/')
def hello_world():
	return 'hello world'

@app.route('/upload', methods=['POST'])
def upload():
	upload_file = request.files['file']
	if upload_file and allowed_file(upload_file.filename):
		filename = secure_filename(upload_file.filename)
		upload_file.save(os.path.join(app.root_path, app.config['UPLOAD_FOLDER'], filename))
		return 'hello, '+request.form.get('name', 'little apple')+'. success'
	else:
		return 'hello, '+request.form.get('name', 'little apple')+'. failed'

if __name__ == '__main__':
	app.run(debug=True)

def secure_filename(filename):
    """
    确保文件名不包含 / -
    :param filename:
    :return:
    """
    filename = re.sub('[" "\/\--]+', '-', filename)
    filename = re.sub(r':-', ':', filename)
    filename = re.sub(r'^-|-$', '', filename)
    return filename

for upload in request.files.getlist("file"):
    filename = os.path.splitext(upload.filename)[0]
    filename = secure_filename(filename)
    save_name = hashlib.md5('video'+ str(time.time())).hexdigest()[:16]
    dest = '/'.join([dest_folder, save_name])
    print("Accept incoming file:", filename)
    upload.save(dest)

import requests
files = {'file': open('01.jpg', 'rb')}
user_info = {'name': 'einverne'}
r = requests.post("http://127.0.0.1:5000/upload", data=user_info, files=files)
print r.text

app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024 #16MB

file_content = request.files['image01'].stream.read()

<form action="\{\{ url_for('.upload_file') \}\}" method=post enctype=multipart/form-data>
	<div class="form-group">
	  <label for="exampleInputFile">上传文件</label>
	  <input type="file" name="file">
	  <p class="help-block">上传数据</p>
	  <button type="submit" class="btn btn-default">Submit</button>
	</div>
</form>

@crawler_control.route('/upload', methods=['POST'])
def upload_file():
	if request.method == 'POST':
		f = request.files['file']
		if f and '.' in f.filename and f.filename.rsplit('.', 1)[1] in app.config['ALLOWED_EXTENSIONS']:
			filename = secure_filename(f.filename)
			path = op.join('/tmp', filename)
			f.save(path)
		return "Success"
	return render_template_string("only support POST")

from flask import Flask, request, Response
import json
app = Flask(__name__)

@app.route('/json', methods=['POST'])
def my_json():
	print request.headers
	print request.json
	rt = {'info':'hello '+request.json['name']}
	# add custom headers
	response.headers.add('Server', 'python flask')
	return Response(json.dumps(rt),  mimetype='application/json')

if __name__ == '__main__':
	app.run(debug=True)

import requests, json

user_info = {'name': 'einverne'}
headers = {'content-type': 'application/json'}
r = requests.post("http://127.0.0.1:5000/json", data=json.dumps(user_info), headers=headers)
print r.headers
print r.json()

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
	return 'hello world'

@app.route('/user/<username>')
def user(username):
	print username
	print type(username)
	return 'hello world'

@app.route('/user/<username>/friends')
def user_friends(username):
	print username
	print type(username)
	return 'hello world'

if __name__ == '__main__':
	app.run(debug=True)

@app.route('/page/<int:num>')
def page(num):
	print num
	print type(num)
	return 'hello world'

@app.route('/page/<int:num1>-<int:num2>')
def page(num1, num2):
	print num1
	print num2
	return 'hello world'

from flask import Flask, url_for
from werkzeug.routing import BaseConverter

class MyIntConverter(BaseConverter):
	def __init__(self, url_map):
		super(MyIntConverter, self).__init__(url_map)

	def to_python(self, value):
		return int(value)

	def to_url(self, value):
		return 'hi'
app = Flask(__name__)
app.url_map.converters['my_int'] = MyIntConverter


@app.route('/page/<my_int:num>')
def page(num):
	print num
	print url_for('page', num='123')
	return 'hello world'

if __name__ == '__main__':
	app.run(debug=True)

123 
/page/hi

from flask import Flask, url_for
app = Flask(__name__)

@app.route('/')
def hello_world():
	pass

@app.route('/user/<name>')
def user(name):
	pass

@app.route('/page/<int:num>')
def page(num):
	pass

@app.route('/test')
def test():
	print url_for('hello_world')
	print url_for('user', name='einverne')
	print url_for('page', num=1, q='hadoop mapreduce 10%3')
	print url_for('static', filename='uploads/01.jpg')
	return ''

if __name__ == '__main__':
	app.run(debug=True)

/
/user/einverne
/page/1?q=hadoop+mapreduce+10%253
/static//uploads/01.jpg

pip install Flask

>>> import flask
>>> print flask.__doc__
	flask
	~~~~~
	A microframework based on Werkzeug.  It's extensively documented
	and follows best practice patterns.
	:copyright: (c) 2015 by Armin Ronacher.
	:license: BSD, see LICENSE for more details.
>>> print flask.__version__
0.12.2

from flask import Flask

app = Flask(__name__)

@app.route('/')
def hello_world():
	return 'Hello World!'

if __name__ == '__main__':
	app.run()

python index.py
 * Running on http://127.0.0.1:5000/

app.run(debug=True)

app.run(host='0.0.0.0', port=80, debug=True)

from flask import Flask, request
app = Flask(__name__)

@app.route('/')
def hello_world():
	params = request.args.items()
	return params.__str__()

if __name__ == '__main__':
	app.run()

from flask import Flask, request

app = Flask(__name__)

@app.route('/')
def hello_world():
	return 'hello world'

@app.route('/register', methods=['POST'])
def register():
	print request.headers
	print request.form
	print request.form['name']
	print request.form.get('name')
	print request.form.getlist('name')
	print request.form.get('nickname', default='little apple')
	return 'welcome'

if __name__ == '__main__':
	app.run(debug=True)

import requests
user_info = {'name': 'einverne', 'password': '123'}
r = requests.post("http://127.0.0.1:5000/register", data=user_info)
print r.text

@app.route('/projects/')
def projects():
    return 'The project page'

@app.route('/about')
def about():
    return 'The about page'

from flask import Flask, render_template_string, \
	session, request, redirect, url_for
app = Flask(__name__)
app.secret_key = 'F12Zr47j\3yX R~X@H!jLwf/T'

@app.route('/')
def hello_world():
	return 'hello world'

@app.route('/login')
def login():
	page = '''
	<form action="\{\{ url_for('do_login') \}\}" method="post">
		<p>name: <input type="text" name="user_name" /></p>
		<input type="submit" value="Submit" />
	</form>
	'''
	return render_template_string(page)

@app.route('/do_login', methods=['POST'])
def do_login():
	name = request.form.get('user_name')
	session['user_name'] = name
	return 'success'

@app.route('/show')
def show():
	return session['user_name']

@app.route('/logout')
def logout():
	session.pop('user_name', None)
	return redirect(url_for('login'))

if __name__ == '__main__':
	app.run(debug=True)

from datetime import timedelta
from flask import session, app
session.permanent = True
app.permanent_session_lifetime = timedelta(minutes=5)

from flask import Flask, request, Response, make_response
import time
app = Flask(__name__)

@app.route('/')
def hello_world():
	return 'hello world'

@app.route('/add')
def login():
	res = Response('add cookies')
	res.set_cookie(key='name', value='letian', expires=time.time()+6*60)
	return res

@app.route('/show')
def show():
	return request.cookies.__str__()

@app.route('/del')
def del_cookie():
	res = Response('delete cookies')
	res.set_cookie('name', '', expires=0)
	# print res.headers
	# print res.data
	return res
if __name__ == '__main__':
	app.run(host='0.0.0.0', debug=True)