news_aggregator | application framework that includes everything | Application Framework library
kandi X-RAY | news_aggregator Summary
kandi X-RAY | news_aggregator Summary
Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Control pattern. This pattern splits the view (also called the presentation) into "dumb" templates that are primarily responsible for inserting pre-built data in between HTML tags. The model contains the "smart" domain objects (such as Account, Product, Person, Post) that holds all the business logic and knows how to persist themselves to a database. The controller handles the incoming requests (such as Save New Account, Update Product, Show Post) by manipulating the model and directing data to the view. In Rails, the model is handled by what’s called an object-relational mapping layer entitled Active Record. This layer allows you to present the data from database rows as objects and embellish these data objects with business logic methods. You can read more about Active Record in link:files/vendor/rails/activerecord/README.html. The controller and view are handled by the Action Pack, which handles both layers by its two parts: Action View and Action Controller. These two layers are bundled in a single package due to their heavy interdependence. This is unlike the relationship between the Active Record and Action Pack that is much more separate. Each of these packages can be used independently outside of Rails. You can read more about Action Pack in link:files/vendor/rails/actionpack/README.html.
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QUESTION
I am trying to call scrapy spider from Django Views.py file.The spider does gets invoked but its output is shown in command prompt and is not saved in Django models to render it onto the page.I checked running spider separately to verify that scrapy and Django are connected and it does work correctly,but when automated using CrawlerRunner() script it doesn't.So some component is missing in CrawlerRunner() implementation from Django views.py file. Below is the Django Views.py file which calls the spider:
...ANSWER
Answered 2020-Feb-08 at 11:34I figured it out CrawlerRunner was not able to access settings file of my scrapy project that could enable pipelines.py of scrapy which in turn would save the data in Django MOdels file.The modified code of views.py file of django which calls spider is:
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Install news_aggregator
At the command prompt, create a new Rails application: <tt>rails new myapp</tt> (where <tt>myapp</tt> is the application name)
Change directory to <tt>myapp</tt> and start the web server: <tt>cd myapp; rails server</tt> (run with --help for options)
Go to http://localhost:3000/ and you’ll see: "Welcome aboard: You’re riding Ruby on Rails!"
Follow the guidelines to start developing your application. You can find the following resources handy: The Getting Started Guide: http://guides.rubyonrails.org/getting_started.html Ruby on Rails Tutorial Book: http://www.railstutorial.org/
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