python web backage

Author: moneyDboat

moviesRec/db.sqlite3

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+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "moviesRec.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError:
+        # The above import may fail for some other reason. Ensure that the
+        # issue is really that Django is missing to avoid masking other
+        # exceptions on Python 2.
+        try:
+            import django
+        except ImportError:
+            raise ImportError(
+                "Couldn't import Django. Are you sure it's installed and "
+                "available on your PYTHONPATH environment variable? Did you "
+                "forget to activate a virtual environment?"
+            )
+        raise
+    execute_from_command_line(sys.argv)

moviesRec/manage.py

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+{
+ "cells": [],
+ "metadata": {},
+ "nbformat": 4,
+ "nbformat_minor": 2
+}

moviesRec/movies/.ipynb_checkpoints/Untitled-checkpoint.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [],
+   "source": [
+    "import numpy as np\n",
+    "import random\n",
+    "user = 0\n",
+    "\n",
+    "U = np.loadtxt('U.dat')\n",
+    "V = np.loadtxt('V.dat')\n",
+    "\n",
+    "approx_R = U[user].dot(V.T)\n",
+    "n_range = range(len(approx_R))\n",
+    "R_dict = dict(zip(n_range, approx_R))\n",
+    "R_sort = sorted(R_dict.items(), key=lambda d:d[1], reverse=True)\n",
+    "\n",
+    "R_comm = [tupe[0] for tupe in random.sample(R_sort[:30], 5)]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[1527, 665, 502, 37, 166]"
+      ]
+     },
+     "execution_count": 21,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "R_comm"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 19,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[(39, 4.6489852844337056),\n",
+       " (49, 4.5578160712408069),\n",
+       " (206, 4.3273462773324995),\n",
+       " (1153, 4.3436401175941377),\n",
+       " (212, 4.2970509294660646)]"
+      ]
+     },
+     "execution_count": 19,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "random.sample(R_sort[:30], 5)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.6.0"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}

web/U.dat renamed to moviesRec/movies/U.dat

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+from django.contrib import admin
+
+# Register your models here.

moviesRec/movies/Untitled.ipynb

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+from django.apps import AppConfig
+
+
+class MoviesConfig(AppConfig):
+    name = 'movies'

web/V.dat renamed to moviesRec/movies/V.dat

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+from django.db import models
+
+# Create your models here.

moviesRec/movies/__init__.py

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+from django.test import TestCase
+
+# Create your tests here.

moviesRec/movies/admin.py

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+# -*- coding: utf-8 -*-
+# 上面这行注释是要输进去的，这样的话解析才可以出现中文，不然会报错，原因在后面
+from django.shortcuts import render
+from django.http import HttpResponse
+import json
+import os
+import random
+import numpy as np
+
+
+# Create your views here.
+def index(request):
+	if request.method == 'POST':
+		print(request.body)
+		json_data = json.loads(request.body)
+		user = json_data['user']
+		result = predict(user)
+		return HttpResponse(json.dumps(result))
+	else:
+		return HttpResponse('haha')
+
+
+def predict(user):
+	# load data
+	module_path = os.path.dirname(__file__)
+	U = np.loadtxt(module_path + '/U.dat')
+	V = np.loadtxt(module_path + '/V.dat')
+
+	approx_R = U[user].dot(V.T)
+	n_range = range(len(approx_R))
+	R_dict = dict(zip(n_range, approx_R))
+	R_sort = sorted(R_dict.items(), key=lambda d:d[1], reverse=True)
+
+	R_comm = [tupe[0] for tupe in random.sample(R_sort[:30], 10)]
+	result = {'recommend':R_comm}
+	return result
+
+
+
+
+
+
+

moviesRec/movies/apps.py

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+"""
+Django settings for moviesRec project.
+
+Generated by 'django-admin startproject' using Django 1.11.1.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/1.11/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/1.11/ref/settings/
+"""
+
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = '(3+_x4s&mlsa11$c^ys##%+2)!7^w66(ozdpf-(seglj-q&0&l'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'movies',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    #'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'moviesRec.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'moviesRec.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/1.11/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/1.11/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/1.11/howto/static-files/
+
+STATIC_URL = '/static/'

moviesRec/movies/migrations/__init__.py

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+"""moviesRec URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/1.11/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  url(http://github.com/r'^r'^$', views.home, name='home'#39;,%20views.home,%20name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  url(http://github.com/r'^r'^$', Home.as_view(#39;,%20Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.conf.urls import url, include
+    2. Add a URL to urlpatterns:  url(http://github.com/r'^blog/',%20include('blog.urls'))
+"""
+from django.conf.urls import url
+from django.contrib import admin
+from movies import views as movies
+
+urlpatterns = [
+    url(r'^admin/', admin.site.urls),
+    url(r'^$', movies.index)
+]

moviesRec/movies/models.py

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+"""
+WSGI config for moviesRec project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/1.11/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "moviesRec.settings")
+
+application = get_wsgi_application()