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Commit1ad6e18

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add django weather app tutorial
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‎README.md

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‎web-programming/django-weather-app/db.sqlite3

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#!/usr/bin/env python
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"""Django's command-line utility for administrative tasks."""
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importos
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importsys
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defmain():
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"""Run administrative tasks."""
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os.environ.setdefault('DJANGO_SETTINGS_MODULE','weatherapplication.settings')
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try:
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fromdjango.core.managementimportexecute_from_command_line
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exceptImportErrorasexc:
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raiseImportError(
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"Couldn't import Django. Are you sure it's installed and "
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"available on your PYTHONPATH environment variable? Did you "
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"forget to activate a virtual environment?"
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)fromexc
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execute_from_command_line(sys.argv)
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if__name__=='__main__':
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main()
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requests
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django

‎web-programming/django-weather-app/weatherapplication/__init__.py

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"""
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ASGI config for weatherapplication project.
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It exposes the ASGI callable as a module-level variable named ``application``.
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For more information on this file, see
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https://docs.djangoproject.com/en/4.1/howto/deployment/asgi/
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"""
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importos
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fromdjango.core.asgiimportget_asgi_application
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os.environ.setdefault('DJANGO_SETTINGS_MODULE','weatherapplication.settings')
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application=get_asgi_application()
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"""
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Django settings for weatherapplication project.
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Generated by 'django-admin startproject' using Django 4.1.
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For more information on this file, see
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https://docs.djangoproject.com/en/4.1/topics/settings/
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For the full list of settings and their values, see
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https://docs.djangoproject.com/en/4.1/ref/settings/
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"""
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frompathlibimportPath
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# Build paths inside the project like this: BASE_DIR / 'subdir'.
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BASE_DIR=Path(__file__).resolve().parent.parent
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# Quick-start development settings - unsuitable for production
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# See https://docs.djangoproject.com/en/4.1/howto/deployment/checklist/
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# SECURITY WARNING: keep the secret key used in production secret!
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SECRET_KEY='django-insecure-0rt0hcq(e^c!9#qqru4@tzs)aru_*o2q4_=yznil4w14!dcye+'
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# SECURITY WARNING: don't run with debug turned on in production!
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DEBUG=True
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ALLOWED_HOSTS= []
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# Application definition
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INSTALLED_APPS= [
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'django.contrib.admin',
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'django.contrib.auth',
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'django.contrib.contenttypes',
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'django.contrib.sessions',
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'django.contrib.messages',
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'django.contrib.staticfiles',
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# this is the new created app
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'weatherupdates',
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]
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MIDDLEWARE= [
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'django.middleware.security.SecurityMiddleware',
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'django.contrib.sessions.middleware.SessionMiddleware',
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'django.middleware.common.CommonMiddleware',
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'django.middleware.csrf.CsrfViewMiddleware',
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'django.contrib.auth.middleware.AuthenticationMiddleware',
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'django.contrib.messages.middleware.MessageMiddleware',
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'django.middleware.clickjacking.XFrameOptionsMiddleware',
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]
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ROOT_URLCONF='weatherapplication.urls'
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TEMPLATES= [
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{
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'BACKEND':'django.template.backends.django.DjangoTemplates',
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'DIRS': [],
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'APP_DIRS':True,
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'OPTIONS': {
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'context_processors': [
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'django.template.context_processors.debug',
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'django.template.context_processors.request',
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'django.contrib.auth.context_processors.auth',
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'django.contrib.messages.context_processors.messages',
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],
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},
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},
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]
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WSGI_APPLICATION='weatherapplication.wsgi.application'
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# Database
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# https://docs.djangoproject.com/en/4.1/ref/settings/#databases
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DATABASES= {
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'default': {
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'ENGINE':'django.db.backends.sqlite3',
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'NAME':BASE_DIR/'db.sqlite3',
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}
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}
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# Password validation
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# https://docs.djangoproject.com/en/4.1/ref/settings/#auth-password-validators
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AUTH_PASSWORD_VALIDATORS= [
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{
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'NAME':'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
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},
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{
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'NAME':'django.contrib.auth.password_validation.MinimumLengthValidator',
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},
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{
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'NAME':'django.contrib.auth.password_validation.CommonPasswordValidator',
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},
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{
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'NAME':'django.contrib.auth.password_validation.NumericPasswordValidator',
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},
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]
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# Internationalization
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# https://docs.djangoproject.com/en/4.1/topics/i18n/
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LANGUAGE_CODE='en-us'
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TIME_ZONE='UTC'
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USE_I18N=True
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USE_TZ=True
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# Static files (CSS, JavaScript, Images)
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# https://docs.djangoproject.com/en/4.1/howto/static-files/
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STATIC_URL='static/'
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# Default primary key field type
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# https://docs.djangoproject.com/en/4.1/ref/settings/#default-auto-field
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DEFAULT_AUTO_FIELD='django.db.models.BigAutoField'
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fromdjango.contribimportadmin
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fromdjango.urlsimportpath,include
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urlpatterns= [
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# the default path for the admin site
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path('admin/',admin.site.urls),
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# this points django to the weatherupdates app urls
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path('',include('weatherupdates.urls')),
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]
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"""
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WSGI config for weatherapplication project.
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It exposes the WSGI callable as a module-level variable named ``application``.
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For more information on this file, see
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https://docs.djangoproject.com/en/4.1/howto/deployment/wsgi/
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"""
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importos
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fromdjango.core.wsgiimportget_wsgi_application
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os.environ.setdefault('DJANGO_SETTINGS_MODULE','weatherapplication.settings')
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application=get_wsgi_application()

‎web-programming/django-weather-app/weatherupdates/__init__.py

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fromdjango.contribimportadmin
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# Register your models here.
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fromdjango.appsimportAppConfig
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classWeatherupdatesConfig(AppConfig):
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default_auto_field='django.db.models.BigAutoField'
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name='weatherupdates'

‎web-programming/django-weather-app/weatherupdates/migrations/__init__.py

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fromdjango.dbimportmodels
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# Create your models here.
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<!-- extends is for inheriting from the base.html -->
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{% extends 'weatherupdates/base.html' %}
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{% block content %}
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<divclass="row justify-content-center my-5">
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<divclass="col-md-5">
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<h1>Page Not Found</h1>
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<p>Make sure you are connected to the internet or you are entering a valid city name</p>
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<ahref="{% url 'home' %}"class="btn btn-secondary">Go Home</a>
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</div>
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</div>
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{% endblock %}
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<!DOCTYPE html>
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<htmllang="en">
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<head>
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<metacharset="UTF-8">
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<metahttp-equiv="X-UA-Compatible"content="IE=edge">
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<metaname="viewport"content="width=device-width, initial-scale=1.0">
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<title>Weather Updates App</title>
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<!-- getting bootstrap5 from CDN -->
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<linkhref="https://cdn.jsdelivr.net/npm/bootstrap@5.2.0/dist/css/bootstrap.min.css"rel="stylesheet">
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</head>
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<body>
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{% block content %}
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{% endblock %}
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</body>
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</html>
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<!-- extends is for inheriting from the base.html -->
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{% extends 'weatherupdates/base.html' %}
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{% block content %}
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<divclass="row justify-content-center my-5">
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<divclass="col-md-5">
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<divclass="mt-4 p-5 bg-success text-white rounded mb-3">
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<h1>Weather Update App</h1>
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</div>
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<formaction="."method="POST">
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{% csrf_token %}
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<divclass="input-group">
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<inputtype="text"requiredclass="form-control"name="city"placeholder="Search City.......">
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<divclass="input-group-append">
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<buttonclass="btn btn-success"type="submit">
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Search
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</button>
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</div>
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</div>
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</form>
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<hr>
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<divclass="card">
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<divclass="card-body">
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<imgsrc="http://openweathermap.org/img/w/{{ city_weather_update.icon }}.png"alt="">
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<divclass="card-text float-end">{{ city_weather_update.time }}</div>
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<divclass="card-text"><h5>{{ city_weather_update.city }} {{ city_weather_update.country_code }}</h5></div>
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<divclass="card-text"><h6>{{ city_weather_update.temperature }}</h6></div>
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<divclass="card-text"><h6>{{ city_weather_update.description | title }}</h6></div>
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<divclass="card-text"><h6>{{ city_weather_update.wind }}</h6></div>
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<divclass="card-text"><h6>{{ city_weather_update.humidity }}</h6></div>
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</div>
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</div>
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</div>
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</div>
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{% endblock %}
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fromdjango.testimportTestCase
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# Create your tests here.
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# here we are import path from in-built django-urls
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fromdjango.urlsimportpath
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# here we are importing all the Views from the views.py file
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from .importviews
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urlpatterns= [
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path('',views.index,name='home'),
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]
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fromdjango.shortcutsimportrender
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importrequests
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fromdatetimeimportdatetime
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# the index() will handle all the app's logic
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defindex(request):
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# if there are no errors the code inside try will execute
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try:
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# checking if the method is POST
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ifrequest.method=='POST':
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API_KEY='put your API key here'
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# getting the city name from the form input
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city_name=request.POST.get('city')
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# the url for current weather, takes city_name and API_KEY
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url=f'https://api.openweathermap.org/data/2.5/weather?q={city_name}&appid={API_KEY}&units=metric'
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# converting the request response to json
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response=requests.get(url).json()
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# getting the current time
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current_time=datetime.now()
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# formatting the time using directives, it will take this format Day, Month Date Year, Current Time
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formatted_time=current_time.strftime("%A, %B %d %Y, %H:%M:%S %p")
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# bundling the weather information in one dictionary
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city_weather_update= {
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'city':city_name,
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'description':response['weather'][0]['description'],
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'icon':response['weather'][0]['icon'],
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'temperature':'Temperature: '+str(response['main']['temp'])+' °C',
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'country_code':response['sys']['country'],
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'wind':'Wind: '+str(response['wind']['speed'])+'km/h',
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'humidity':'Humidity: '+str(response['main']['humidity'])+'%',
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'time':formatted_time
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}
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# if the request method is GET empty the dictionary
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else:
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city_weather_update= {}
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context= {'city_weather_update':city_weather_update}
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returnrender(request,'weatherupdates/home.html',context)
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# if there is an error the 404 page will be rendered
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# the except will catch all the errors
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except:
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returnrender(request,'weatherupdates/404.html')
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