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django-dockerized/Dockerfile

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+FROM python:3.9
+ENV PYTHONUNBUFFERED=1
+RUN mkdir /app
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+COPY apps .

django-dockerized/apps/manage.py

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+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'rest_app.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        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?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

django-dockerized/apps/rest_app/asgi.py

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+"""
+ASGI config for rest_app project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'rest_app.settings')
+
+application = get_asgi_application()

django-dockerized/apps/rest_app/price_finder/parser.py

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+from bs4 import BeautifulSoup
+import requests
+import json
+from urllib.parse import quote_plus
+
+USER_AGENT = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36"
+HEADERS = {
+    "User-Agent": USER_AGENT,
+    "Accept-Language": "en-US, en;q=0.5",
+}
+
+
+def get_prices(keyword):
+    keyword_ = quote_plus(keyword)
+    prices = {}
+    prices.update(get_snapdeal_price(keyword_))
+    prices.update(get_amazon_price(keyword_))
+    return prices
+
+
+def get_soup(url):
+    r = requests.get(url=url, headers=HEADERS)
+    return BeautifulSoup(r.text, "lxml")
+
+
+def get_snapdeal_price(product_name):
+    soup = get_soup(
+        url=f"https://snapdeal.com/search?keyword={product_name}&noOfResults=1"
+    )
+    title = soup.find("p", class_="product-title").string
+    price = soup.find("span", class_="lfloat product-price").string
+    return {"snapdeal": {"price": price, "product": title}}
+
+
+def get_amazon_price(product_name):
+
+    soup = get_soup(url=f"https://amazon.in/s?k={product_name}")
+    try:
+        price = soup.find("span", class_="a-price-whole").string
+        title = soup.find(
+            "span", class_="a-size-base-plus a-color-base a-text-normal"
+        ).string
+        return {"amazon": {"price": price, "product": title}}
+    except (AttributeError, TypeError) as e:
+        pass

django-dockerized/apps/rest_app/price_finder/price_finder_view.py

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+from rest_framework.views import APIView
+from rest_framework.response import Response
+from .parser import get_prices
+
+
+class PriceFinderAPIView(APIView):
+    def get(self, request):
+        product_name = request.query_params.get("product")
+        return Response(get_prices(product_name))

django-dockerized/apps/rest_app/settings.py

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+"""
+Django settings for rest_app project.
+
+Generated by 'django-admin startproject' using Django 3.2.2.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.2/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/3.2/ref/settings/
+"""
+
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'django-insecure-vw=z19ar#mwi7rwqztb2p(ox=+tq@n=mq6pk0naa=jiyz+ldw0'
+
+# 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',
+    'rest_framework',
+]
+
+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 = 'rest_app.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 = 'rest_app.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/3.2/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': BASE_DIR / 'db.sqlite3',
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/3.2/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/3.2/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/3.2/howto/static-files/
+
+STATIC_URL = '/static/'
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+REST_FRAMEWORK = {
+    # Use Django's standard `django.contrib.auth` permissions,
+    # or allow read-only access for unauthenticated users.
+    'DEFAULT_PERMISSION_CLASSES': [
+        'rest_framework.permissions.AllowAny'
+    ]
+}

django-dockerized/apps/rest_app/urls.py

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+"""rest_app URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/3.2/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path, include
+from .price_finder.price_finder_view import PriceFinderAPIView
+
+urlpatterns = [
+    path("admin/", admin.site.urls),
+    path("api-auth/", include("rest_framework.urls")),
+    path("api/price/", PriceFinderAPIView.as_view()),
+]

django-dockerized/apps/rest_app/wsgi.py

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+"""
+WSGI config for rest_app 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/3.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'rest_app.settings')
+
+application = get_wsgi_application()

django-dockerized/docker-compose.yml

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+version: "3"
+
+services:
+  migrations:
+    image: django-price-finder
+    command: python3 manage.py migrate
+    volumes:
+    - ./apps:/app
+
+  web:
+    image: django-price-finder
+    entrypoint: python3 manage.py runserver
+    command: 0.0.0.0:8000
+    ports:
+    - "8010:8000"
+    volumes:
+    - ./apps:/app
+    depends_on:
+      - migrations

django-dockerized/requirements.txt

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+lxml
+requests
+beautifulsoup4
+djangorestframework