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{% for message in get_flashed_messages() %} {% endfor %} If you haven’t already activated your programming environment, make sure you’re in your project directory ( flask_blog) and use the following command to activate the environment:created: The time the blog post was created at. NOT NULL signifies that this column should not be empty and the DEFAULT value is the CURRENT_TIMESTAMP value, which is the time at which the post was added to the database. Just like id, you don’t need to specify a value for this column, as it will be automatically filled in. flask_blog/app.py . . . @app .route ( '/create' , methods = ( 'GET' , 'POST' ) ) def create ( ) : if request .method == 'POST' : title = request .form [ 'title' ] content = request .form [ 'content' ] if not title : flash ( 'Title is required!' ) else : conn = get_db_connection ( ) conn .execute ( 'INSERT INTO posts (title, content) VALUES (?, ?)' , (title , content ) ) conn .commit ( ) conn .close ( ) return redirect (url_for ( 'index' ) ) return render_template ( 'create.html' ) Now that you have a base template, you can take advantage of it using inheritance. Open the index.html file:

With impact-absorbing design, the Active Flask provides enhanced durability against collision and impact* In this step, you’ll set up a database to store data, that is, the blog posts for your application. You’ll also populate the database with a few example entries. a href = "{{ url_for('post', post_id=post['id']) }} " >

{{ post['title'] }}

{{ post['created'] }} Edit

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The value of the post title input is {{ request.form['title'] }} and the text area has the value {{ request.form['content'] }}, this is done so that the data you enter does not get lost if something goes wrong. For example, if you write a long post and you forget to give it a title, a message will be displayed informing you that the title is required. This will happen without losing the post you wrote since it will be stored in the request global object that you have access to in your templates. url_for('index')}}: A function call that will return the URL for the index() view function. This is different from the past url_for() call you used to link a static CSS file, because it only takes one argument, which is the view function’s name, and links to the route associated with the function instead of a static file.a href = " {{ url_for('post', post_id=post['id']) }} " >

{{ post['title'] }}

{{ post['created'] }}

---

app = Flask (__name__ ) @app .route ( '/' ) def index ( ) : return render_template ( 'index.html' ) Flask is very simple and lightweight as compared to the other python frameworks like Django REST framework. Unlike Django, Flask provides you the control over the components like which database to use if it is needed. TEST WINNER – 12H WARM & 24H COLD | PUT YOUR TRUST IN THE ORIGINAL – The #1 double-layered vacuum insulated stainless steel drinks bottle with 3 different caps for everyday, sport and outdoor.

cur .execute ( "INSERT INTO posts (title, content) VALUES (?, ?)" , ( 'Second Post' , 'Content for the second post' ) )

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In this new version of the index() function, you first open a database connection using the get_db_connection() function you defined earlier. Then you execute an SQL query to select all entries from the posts table. You implement the fetchall() method to fetch all the rows of the query result, this will return a list of the posts you inserted into the database in the previous step.

flash ( '"{}" was successfully deleted!' . format (post [ 'title' ] ) ) return redirect (url_for ( 'index' ) ) First, you’ll add a new / ID/delete route that accepts POST requests, similar to the edit() view function. Your new delete() view function will receive the ID of the post to be deleted from the URL. Open the app.py file:

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Sometimes a post no longer needs to be publicly available, which is why the functionality of deleting a post is crucial. In this step you will add the delete functionality to your application. The post you edit is determined by the URL and Flask will pass the ID number to the edit() function via the id argument. You add this value to the get_post() function to fetch the post associated with the provided ID from the database. The new data will come in a POST request, which is handled inside the if request.method == 'POST' condition. First, in your flask_blog directory, use nano or your favorite editor to create and edit your app.py file. This will hold all the code you’ll use to create the blogging application: flask_blog/app.py . . . @app .route ( '//edit' , methods = ( 'GET' , 'POST' ) ) def edit ( id ) :