add iot app store demo (#96)
This commit is contained in:
luhanzhl
284
test-tools/IoT-APP-Store-Demo/wasm_django/devices/views.py
Executable file
284
test-tools/IoT-APP-Store-Demo/wasm_django/devices/views.py
Executable file
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'''
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/* Copyright (C) 2019 Intel Corporation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'''
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# _*_
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from django.shortcuts import render, render_to_response
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from django.http import HttpResponse, HttpResponseRedirect, HttpResponseNotFound
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import json
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import socket
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import os
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# Create your views here.
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avaliable_list = [
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{'ID': 'timer', 'Version': '1.0'},
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{'ID': 'connection', 'Version': '1.0'},
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{'ID': 'event_publisher', 'Version': '3.0'},
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{'ID': 'event_subscriber', 'Version': '1.0'},
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{'ID': 'request_handler', 'Version': '1.0'},
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{'ID': 'sensor', 'Version': '1.0'},
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{'ID': 'ui_app', 'Version': '1.0'}
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]
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# Help
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def help(req):
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# return "Help" page
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return render(req, "help.html")
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# View
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def index(req):
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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host = '127.0.0.1'
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port = 8889
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msg = ""
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err = ""
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try:
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s.connect((host, port))
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s.send(bytes("query:all", encoding='utf8'))
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s.settimeout(10)
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msg = s.recv(1024)
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except socket.timeout as e:
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err = "empty"
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print("no client connected")
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except socket.error as e:
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err = "refused"
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print("server not started")
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s.close()
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device_list = []
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if msg != "":
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devices = msg.decode('utf-8').split("*")
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for dev in devices:
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dev_info = eval(dev)
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addr = dev_info['addr']
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port = dev_info['port']
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apps = dev_info['num']
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device_list.append({'IP': addr, 'Port': port, 'apps': apps})
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else:
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if err == "refused":
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return render(req, "empty.html")
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dlist = device_list
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return render(req, 'mysite.html', {'dlist': json.dumps(dlist)})
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def apps(req):
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open_status = ''
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search_node = []
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if req.method == "POST":
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dev_search = req.POST['mykey']
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dev_addr = req.POST['voip']
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dev_port = req.POST['voport']
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open_status = 'open'
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for i in avaliable_list:
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if i['ID'] == dev_search:
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search_node = [{'ID':dev_search, 'Version': '1.0'}]
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print("search_node:",search_node)
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break
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else:
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search_node = ["Nothing find"]
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print( "final:",search_node)
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else:
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dev_addr = req.GET['ip']
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dev_port = req.GET['port']
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open_status = 'close'
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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host = '127.0.0.1'
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port = 8889
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msg = ""
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err = ""
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try:
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s.connect((host, port))
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s.send(bytes("query:"+dev_addr+":"+str(dev_port), encoding='utf8'))
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msg = s.recv(1024)
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except socket.error as e:
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print("unable to connect to server")
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msg = b"fail"
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s.close()
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app_list = []
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if msg != "":
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if msg.decode() == "fail":
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return render(req, "empty.html")
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else:
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dic = eval(msg.decode(encoding='utf8'))
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app_num = dic["num"]
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for i in range(app_num):
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app_list.append(
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{'pname': dic["applet"+str(i+1)], 'status': 'Installed', 'current_version': '1.0'})
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alist = app_list
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device_info = []
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device_info.append(
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{'IP': dev_addr, 'Port': str(dev_port), 'apps': app_num})
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print(device_info)
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return render(req, 'application.html', {'alist': json.dumps(alist), 'dlist': json.dumps(device_info), 'llist': json.dumps(avaliable_list),
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"open_status":json.dumps(open_status),"search_node": json.dumps(search_node),})
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def appDownload(req):
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dev_addr = req.GET['ip']
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dev_port = req.GET['port']
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app_name = req.GET['name']
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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host = '127.0.0.1'
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port = 8889
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msg = ""
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app_path = os.path.abspath(os.path.join(os.getcwd(), "static", "upload"))
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if app_path[-1] != '/':
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app_path += '/'
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try:
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s.connect((host, port))
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s.send(bytes("install:"+dev_addr+":"+str(dev_port)+":"+app_name +
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":"+app_path + app_name + ".wasm", encoding='utf8'))
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msg = s.recv(1024)
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except socket.error as e:
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print("unable to connect to server")
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s.close()
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success = "ok"
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fail = "Fail!"
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status = [success, fail]
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print(msg)
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if msg == b"fail":
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return HttpResponse(json.dumps({
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"status": fail
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}))
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elif msg == b"success":
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return HttpResponse(json.dumps({
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"status": success
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}))
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else:
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return HttpResponse(json.dumps({
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"status": eval(msg.decode())["error message"].split(':')[1]
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}))
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def appDelete(req):
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dev_addr = req.GET['ip']
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dev_port = req.GET['port']
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app_name = req.GET['name']
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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host = '127.0.0.1'
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port = 8889
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s.connect((host, port))
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s.send(bytes("uninstall:"+dev_addr+":" +
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str(dev_port)+":"+app_name, encoding='utf8'))
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msg = s.recv(1024)
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s.close()
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r = HttpResponse("ok")
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return r
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static_list = [{'ID': 'timer', 'Version': '1.0'}, {'ID': 'connection', 'Version': '1.0'}, {'ID': 'event_publisher', 'Version': '3.0'}, {
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'ID': 'event_subscriber', 'Version': '1.0'}, {'ID': 'reuqest_handler', 'Version': '1.0'}, {'ID': 'sensor', 'Version': '1.0'}, {'ID': 'ui_app', 'Version': '1.0'}]
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def store(req):
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store_path = os.path.join('static', 'upload')
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status = []
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print(user_file_list)
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return render(req, 'appstore.html', {'staticlist': json.dumps(static_list), 'flist': json.dumps(user_file_list),'ulist':json.dumps(status)})
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user_file_list = []
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files_list = []
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def uploadapps(req):
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status = []
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local_list = ['timer','connection','event_publisher','event_subscriber','reuqest_handler','sensor']
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req.encoding = 'utf-8'
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if req.method == 'POST':
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myfile = req.FILES.get("myfile", None)
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obj = req.FILES.get('myfile')
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store_path = os.path.join('static', 'upload')
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file_path = os.path.join('static', 'upload', obj.name)
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if not os.path.exists(store_path):
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os.makedirs(store_path)
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file_name = obj.name.split(".")[0]
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file_prefix = obj.name.split(".")[-1]
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if file_prefix != "wasm":
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status = ["Not a wasm file"]
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elif file_name in local_list:
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status = ["This App is preloaded"]
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elif file_name in files_list:
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status = ["This App is already uploaded"]
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else:
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status = []
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avaliable_list.append({'ID': file_name, 'Version': '1.0'})
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user_file_list.append({'ID': file_name, 'Version': '1.0'})
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files_list.append(file_name)
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print(user_file_list)
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f = open(file_path, 'wb')
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for chunk in obj.chunks():
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f.write(chunk)
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f.close()
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return render(req, 'appstore.html', {'staticlist': json.dumps(static_list), 'flist': json.dumps(user_file_list),'ulist':json.dumps(status)})
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appname_list = []
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def addapps(request):
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types = ''
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print("enter addapps")
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request.encoding = 'utf-8'
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app_dic = {'ID': '', 'Version': ''}
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# if request.method == 'get':
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if "NAME" in request.GET:
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a_name = request.GET['NAME']
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if a_name != "" and a_name not in appname_list:
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appname_list.append(a_name)
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message = request.GET['NAME'] + request.GET['Version']
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app_dic['ID'] = request.GET['NAME']
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app_dic['Version'] = request.GET['Version']
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avaliable_list.append(app_dic)
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else:
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types = "Exist"
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print(avaliable_list)
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return render(request, 'appstore.html', {'alist': json.dumps(avaliable_list)})
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def removeapps(req):
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app_name = req.GET['name']
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app_version = req.GET['version']
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remove_app = {'ID': app_name, 'Version': app_version}
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avaliable_list.remove(remove_app)
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user_file_list.remove(remove_app)
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files_list.remove(app_name)
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return render(req, 'appstore.html', {'alist': json.dumps(avaliable_list),'flist': json.dumps(user_file_list)})
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# Test
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if __name__ == "__main__":
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print(device_list[0]['IP'])
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print(device['IP'])
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