/
web_view.py
443 lines (354 loc) · 11.9 KB
/
web_view.py
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from flask import Flask, url_for, redirect, render_template, request
from flask import jsonify
from flask.ext.mongoengine import MongoEngine
from flask import make_response
from flask import send_file
from wtforms import form, fields, validators
from flask.ext import admin
#from flask.ext.login import login
import flask.ext.login as login
from flask.ext.admin.contrib.mongoengine import ModelView
from flask.ext.admin import helpers
from flask.ext.pymongo import PyMongo
import datetime
import simplejson as json
from util import *
import os
from decimal import Decimal
# mosquitto broker connection -- drop
import mosquitto
from subprocess import PIPE, STDOUT, Popen
# it's Debug... import
from flask.ext.login import AnonymousUserMixin
from flask import logging
import time
log = logging.getLogger('werkzeug')
#log = logging.getLogger()
count = 0
# Create application
app = Flask(__name__)
# Create dummy secrey key so we can use sessions
app.config['SECRET_KEY'] = '123456790'
# MongoDB settings
app.config['MONGODB_SETTINGS'] = {'DB': 'am2v'}
db = MongoEngine()
db.init_app(app)
# Hum~~ MongoDB another tools
app.config['MONGO_DBNAME'] = 'am2v'
mongo = PyMongo(app)
# Create user model. For simplicity, it will store passwords in plain text.
# Obviously that's not right thing to do in real world application.
class User(db.Document):
# duplicate error for Mongoengine...
'''
meta = {
'abstract' : True,
}
'''
#login = db.StringField(max_length=80, unique=True)
# email login
email = db.StringField(max_length=120, unique=True)
name = db.StringField(max_length=64)
password = db.StringField(max_length=64)
# Flask-Login integration
def is_authenticated(self):
return True
def is_active(self):
return True
def is_anonymous(self):
return False
def get_id(self):
return str(self.id)
# Required for administrative interface
def __unicode__(self):
return self.user
# Define login and registration forms (for flask-login)
class LoginForm(form.Form):
email = fields.TextField(validators=[validators.required()])
password = fields.PasswordField(validators=[validators.required()])
def validate_login(self, field):
user = self.get_user()
if user is None:
raise validators.ValidationError('Invalid user')
if user.password != self.password.data:
raise validators.ValidationError('Invalid password')
# login or user ?, what is correct parameter ? vagues thing
def get_user(self):
return User.objects(email=self.email.data).first()
class RegistrationForm(form.Form):
#login = fields.TextField(validators=[validators.required()])
#user = fields.TextField(validators=[validators.required()])
email = fields.TextField()
name = fields.TextField()
password = fields.PasswordField(validators=[validators.required()])
def validate_login(self, field):
if User.objects(email=self.email.data):
raise validators.ValidationError('Duplicate username')
# Anonymous User Define class
class Anonymous(AnonymousUserMixin):
def __init__(self):
self.email = 'guest@guest.com'
# Initialize flask-login
def init_login():
login_manager = login.LoginManager()
login_manager.setup_app(app)
# Is it possible ?.. class?
login_manager.anonymous_user = Anonymous
# Create user loader function
# cj: class User returns user objects
@login_manager.user_loader
def load_user(user_id):
return User.objects(id=user_id).first()
# Create customized model view class
class MyModelView(ModelView):
def is_accessible(self):
return login.current_user.is_authenticated()
# Create customized index view class
class MyAdminIndexView(admin.AdminIndexView):
'''
@admin.expose('/')
def index(self):
return "Hello F !"
'''
def is_accessible(self):
return login.current_user.is_authenticated()
# GooglMap Display Test
'''
class MapView(admin.BaseView):
@admin.expose('/')
def index(self):
return self.render('mapview.html')
'''
# Flask views
@app.route('/')
def index():
return render_template('index.html', user=login.current_user)
@app.route('/login/', methods=('GET', 'POST'))
def login_view():
form = LoginForm(request.form)
if request.method == 'POST' and form.validate():
user = form.get_user()
login.login_user(user)
return redirect(url_for('index'))
return render_template('form.html', form=form)
@app.route('/register/', methods=('GET', 'POST'))
def register_view():
form = RegistrationForm(request.form)
if request.method == 'POST' and form.validate():
user = User()
form.populate_obj(user)
user.save()
login.login_user(user)
return redirect(url_for('index'))
return render_template('form.html', form=form)
@app.route('/logout/')
def logout_view():
login.logout_user()
return redirect(url_for('index'))
def _on_dummy(mosq, obj, rc) :
pass
def _on_publish(mosq, obj, rc) :
log.warning('###### some thing')
mosq.disconnect()
# this function is called by moquitto client broker
def _on_mosquitto_connect(mosq, obj, rc):
pass
# file information and user
'''
log.warning(request.files.get('file'))
log.warning(login.current_user.get_id())
log.warning(login.current_user.email)
'''
log.warning("start come here ##################")
req_file = request.files['file']
if req_file:
mosq.publish('/user/%s/%s/upload' % (email, filename), req_file.read())
log.warning('coming here')
send_write_msg = CommandMessage()
send_write_msg.command = "message"
send_write_msg.email = login.current_user.email
send_write_msg.time = current_time()
send_write_msg.poi = [127, 60]
send_write_msg.message = request.form['body']
send_write_msg.filename = req_file.filename
#mosq.publish('/user/command', send_write_msg.tojson())
#mosq.publish('/user/command', "Test TEst")
log.warning(send_write_msg.tojson())
log.warning("end here ##################")
#mosq.loop(-1)
#mosq.disconnect()
@app.route('/write_message', methods=['POST'])
def _write_message() :
# check file name and each contents
#log.warning(request.files.get('file'))
log.warning(request.form['body'])
req_file = None
req_file_name = None
pt_lon = 0.0
pt_lat = 0.0
try :
# Test... needed ..
req_file = request.files['file']
req_file_name = req_file.filename
except :
log.warning("******* Test 1 -----")
req_file_name = ""
try :
pt_lon = float(request.form['pt_lon'])
pt_lat = float(request.form['pt_lat'])
log.warning("******* Test 0 -----" + request.form['pt_lon'])
log.warning("******* Test 0 -----" + request.form['pt_lat'])
except :
pass
if req_file:
shell_cmd = "mosquitto_pub -t "
shell_cmd += "/user/%s/%s/upload -s " % (login.current_user.email,
req_file.filename)
'''
p = Popen([shell_cmd], shell=True, stdin= PIPE)
p.stdin.write(req_file.read())
p.communicate()[0]
'''
p = os.popen(shell_cmd, 'w', req_file.content_length)
p.write(req_file.read())
p.close()
send_write_msg = CommandMessage()
send_write_msg.command = "message"
send_write_msg.email = login.current_user.email
send_write_msg.time = current_time()
send_write_msg.poi = [pt_lon, pt_lat]
send_write_msg.message = request.form['body']
send_write_msg.filename = req_file_name
#mqtt_client.loop()
# single quote problem.. arised..
# force control
shell_cmd = "mosquitto_pub -t /user/command -m "
shell_cmd += "'" + escape_single_quote(send_write_msg.tojson()) + "'"
Popen([shell_cmd], shell=True)
log.warning(shell_cmd)
# hum, need ajax call... in client
# return redirect(url_for('index'))
# plz... working
'''
mqtt_client = mosquitto.Mosquitto()
mqtt_client.connect('125.131.73.166', 1883, 60)
mqtt_client.on_connect = _on_mosquitto_connect
mqtt_client.on_message = _on_dummy
mqtt_client.on_publish = _on_publish
mqtt_client.on_subscribe = _on_dummy
send_write_msg = CommandMessage()
send_write_msg.command = "message"
send_write_msg.email = login.current_user.email
send_write_msg.time = current_time()
send_write_msg.poi = [127, 60]
send_write_msg.message = request.form['body']
send_write_msg.filename = req_file.filename
while mqtt_client.loop() == 0:
mqtt_client.publish("/user/command", send_write_msg.tojson())
time.sleep(0.2)
log.warning("main loop in mqtt.. #####")
pass
'''
return ''
# This code will send a mongodb' gridfs binary data to a client
@app.route('/media/<path:filename>')
def get_media(filename) :
log.warning('request media file : %s' % filename)
# client ... error arised, because of no content-type header !
# so...
'''
return send_file(mongo.send_file(filename),
attachment_filename=filename, as_attachment=True)
'''
# flask - PyMongo alway have a Response Header
# We Don't add header in send_file of flask
return mongo.send_file(filename)
@app.route('/media_test/<path:filename>')
def get_test_media(filename) :
return send_file(filename)
@app.route('/json_test')
def json_get_test():
msg = { 'message' : 'hard to coding' }
return jsonify(msg)
@app.route('/new_message', methods=('GET', 'POST'))
def make_new_message():
msg = {}
# data check ... @todo
# init value is msg_s = msg_e = 0
msg_s = int(request.form['msg_s'])
msg_e = int(request.form['msg_e'])
msg_reverse = int(request.form['msg_reverse'])
log.warning('** msg start = %d - msg end = %d' % (msg_s, msg_e))
# connect mongodb and get a msg count
# We supposes first time to be the region in korea
last_msg_index = 0
# We put a list less than 10 msgs
one_page = 20
request_msg_count = abs(msg_e - msg_s)
# small index = msg_s, large index = msg_e
if (msg_s > msg_e) :
msg_s, msg_e = msg_e, msg_s
if (request_msg_count == 0 and msg_e != 0) :
msg = { 'msg_s' : msg_s, 'msg_e' : msg_e, 'data' : {} }
return jsonify(msg)
rcv_obj = mongo.db.room.find_one( { 'room' : 'korea' } )
# Are there exist an objects ?
last_msg_index = int(rcv_obj['counter'])
log.warning("last message index = %d" % (last_msg_index))
# Default value is set by User.
if (msg_s == 0 and msg_e == 0) :
msg_e = last_msg_index
msg_s = last_msg_index - one_page
if (msg_e > last_msg_index) :
msg_e = last_msg_index
if (msg_s < 0) :
msg_s = 0
# Do nothing..
if (abs(msg_e-msg_s) == 0) :
msg = { 'msg_s' : msg_s, 'msg_e' : msg_e, 'data' : {} }
return jsonify(msg)
# Make 10 items, only the reverse is zero
if (msg_e - msg_s > 10 and msg_reverse == 0) :
msg_s = msg_e - 10
bucket_num_e = int((msg_e-1) / 10)
bucket_num_s = int(msg_s / 10)
'''
# Ok... read all contents
rcv_obj = mongo.db.msg.find_one( { 'bucket' : bucket_num_s } )
msg_list = rcv_obj['data']
# two page read
if (bucket_num_s != bucket_num_e) :
rcv_obj = mongo.db.msg.find_one( { 'bucket' : bucket_num_e } )
msg_list_b = rcv_obj['data']
msg_list = msg_list + msg_list_b
'''
msg_list = []
for idx in range(bucket_num_s, bucket_num_e+1) :
log.warning("db read bucket index is = %d" % (idx))
rcv_obj = mongo.db.msg.find_one( { 'bucket' : idx } )
msg_list += rcv_obj['data']
p_msg_e = msg_e - bucket_num_s * 10
p_msg_s = msg_s - bucket_num_s * 10
if (msg_reverse == 1) :
msg_list_rvs = msg_list[p_msg_s:p_msg_e]
msg_list_rvs.reverse()
msg = { 'command' : 'new_message', 'msg_s' : msg_s, 'msg_e' : msg_e,
'msg_reverse' : msg_reverse,
'data' : msg_list_rvs }
else :
msg = { 'command' : 'new_message', 'msg_s' : msg_s, 'msg_e' : msg_e,
'data' : msg_list[p_msg_s:p_msg_e] }
log.warning('** arraged msg start = %d - msg end = %d' % (msg_s, msg_e))
log.warning('last msgs count = %d', last_msg_index)
log.warning(msg)
return jsonify(msg)
if __name__ == '__main__':
# Initialize flask-login
init_login()
# Create admin
admin = admin.Admin(app, 'Auth', index_view=MyAdminIndexView())
# Add view
admin.add_view(MyModelView(User))
#admin.add_view(MapView(name='MapView'))
# Start app
app.run(debug=True, host='0.0.0.0')