dodal vsebino po flask tutorialu...

app/__init__.py

@@ -9,7 +9,7 @@ def create_app(test_config=None):
     app.config.from_mapping(
         SECRET_KEY='dev',
         DATABASE=os.path.join(app.instance_path, 'flaskr.sqlite'),
-    )
+    )                                                                # = kaj naj tu piše?
 
     if test_config is None:
         # load the instance config, if it exists, when not testing
@@ -29,4 +29,13 @@ def create_app(test_config=None):
     def hello():
         return 'Hello, Woooorld!'
 
-    return app
+    from . import db
+    db.init_app(app)
+
+    from . import auth
+    app.register_blueprint(auth.bp)
+
+    return app
+
+
+app = create_app()

app/app.py

@@ -1,5 +1,4 @@
 #!/usr/bin/python3
-""""
 
 from flask import Flask
 
@@ -8,7 +7,6 @@ app = Flask(__name__)
 @app.route("/")
 def hello_world():
     return "<p>Hello, World!</p>"
-"""
 
 
 """

app/auth.py

@@ -0,0 +1,95 @@
+import functools
+
+from flask import (
+    Blueprint, flash, g, redirect, render_template, request, session, url_for
+)
+from werkzeug.security import check_password_hash, generate_password_hash
+
+# from db import get_db error
+
+bp = Blueprint('auth', __name__, url_prefix='/auth')
+
+
+@bp.route('/register', methods=('GET', 'POST'))
+def register():
+    if request.method == 'POST':
+        username = request.form['username']
+        password = request.form['password']
+        db = get_db()
+        error = None
+
+        if not username:
+            error = 'Username is required.'
+        elif not password:
+            error = 'Password is required.'
+
+        if error is None:
+            try:
+                db.execute(
+                    "INSERT INTO user (username, password) VALUES (?, ?)",
+                    (username, generate_password_hash(password)),
+                )
+                db.commit()
+            except db.IntegrityError:
+                error = f"User {username} is already registered."
+            else:
+                return redirect(url_for("auth.login"))
+
+        flash(error)
+
+    return render_template('auth/register.html')
+
+
+@bp.route('/login', methods=('GET', 'POST'))
+def login():
+    if request.method == 'POST':
+        username = request.form['username']
+        password = request.form['password']
+        db = get_db()
+        error = None
+        user = db.execute(
+            'SELECT * FROM user WHERE username = ?', (username,)
+        ).fetchone()
+
+        if user is None:
+            error = 'Incorrect username.'
+        elif not check_password_hash(user['password'], password):
+            error = 'Incorrect password.'
+
+        if error is None:
+            session.clear()
+            session['user_id'] = user['id']
+            return redirect(url_for('index'))
+
+        flash(error)
+
+    return render_template('auth/login.html')
+
+
+@bp.before_app_request
+def load_logged_in_user():
+    user_id = session.get('user_id')
+
+    if user_id is None:
+        g.user = None
+    else:
+        g.user = get_db().execute(
+            'SELECT * FROM user WHERE id = ?', (user_id,)
+        ).fetchone()
+
+
+@bp.route('/logout')
+def logout():
+    session.clear()
+    return redirect(url_for('index'))
+
+
+def login_required(view):
+    @functools.wraps(view)
+    def wrapped_view(**kwargs):
+        if g.user is None:
+            return redirect(url_for('auth.login'))
+
+        return view(**kwargs)
+
+    return wrapped_view

app/db.py

@@ -0,0 +1,57 @@
+import sqlite3 ## tu rabim nekaj drugega
+
+import click
+from flask import current_app, g
+from flask.cli import with_appcontext
+
+
+def get_db():
+    if 'db' not in g:
+        g.db = sqlite3.connect(
+            current_app.config['DATABASE'],
+            detect_types=sqlite3.PARSE_DECLTYPES
+        )
+        g.db.row_factory = sqlite3.Row
+
+    return g.db
+
+
+def close_db(e=None):
+    db = g.pop('db', None)
+
+    if db is not None:
+        db.close()
+
+
+"""
+open_resource() opens a file relative to the flaskr package, which is useful since you won’t necessarily know where that location is when deploying the application later. get_db returns a database connection, which is used to execute the commands read from the file.
+
+click.command() defines a command line command called init-db that calls the init_db function and shows a success message to the user. You can read Command Line Interface to learn more about writing commands.
+"""
+
+
+def init_db():
+    db = get_db()
+
+    with current_app.open_resource('schema.sql') as f:
+        db.executescript(f.read().decode('utf8'))
+
+
+@click.command('init-db')
+@with_appcontext
+def init_db_command():
+    """Clear the existing data and create new tables."""
+    init_db()
+    click.echo('Initialized the database.')
+
+def init_app(app):
+    app.teardown_appcontext(close_db)
+    app.cli.add_command(init_db_command)
+
+
+"""
+app.teardown_appcontext() tells Flask to call that function when cleaning up after returning the response.
+
+app.cli.add_command() adds a new command that can be called with the flask command.
+"""
+

app/static/style.css

@@ -0,0 +1,134 @@
+html {
+    font-family: sans-serif;
+    background: #eee;
+    padding: 1rem;
+  }
+  
+  body {
+    max-width: 960px;
+    margin: 0 auto;
+    background: white;
+  }
+  
+  h1, h2, h3, h4, h5, h6 {
+    font-family: serif;
+    color: #377ba8;
+    margin: 1rem 0;
+  }
+  
+  a {
+    color: #377ba8;
+  }
+  
+  hr {
+    border: none;
+    border-top: 1px solid lightgray;
+  }
+  
+  nav {
+    background: lightgray;
+    display: flex;
+    align-items: center;
+    padding: 0 0.5rem;
+  }
+  
+  nav h1 {
+    flex: auto;
+    margin: 0;
+  }
+  
+  nav h1 a {
+    text-decoration: none;
+    padding: 0.25rem 0.5rem;
+  }
+  
+  nav ul  {
+    display: flex;
+    list-style: none;
+    margin: 0;
+    padding: 0;
+  }
+  
+  nav ul li a, nav ul li span, header .action {
+    display: block;
+    padding: 0.5rem;
+  }
+  
+  .content {
+    padding: 0 1rem 1rem;
+  }
+  
+  .content > header {
+    border-bottom: 1px solid lightgray;
+    display: flex;
+    align-items: flex-end;
+  }
+  
+  .content > header h1 {
+    flex: auto;
+    margin: 1rem 0 0.25rem 0;
+  }
+  
+  .flash {
+    margin: 1em 0;
+    padding: 1em;
+    background: #cae6f6;
+    border: 1px solid #377ba8;
+  }
+  
+  .post > header {
+    display: flex;
+    align-items: flex-end;
+    font-size: 0.85em;
+  }
+  
+  .post > header > div:first-of-type {
+    flex: auto;
+  }
+  
+  .post > header h1 {
+    font-size: 1.5em;
+    margin-bottom: 0;
+  }
+  
+  .post .about {
+    color: slategray;
+    font-style: italic;
+  }
+  
+  .post .body {
+    white-space: pre-line;
+  }
+  
+  .content:last-child {
+    margin-bottom: 0;
+  }
+  
+  .content form {
+    margin: 1em 0;
+    display: flex;
+    flex-direction: column;
+  }
+  
+  .content label {
+    font-weight: bold;
+    margin-bottom: 0.5em;
+  }
+  
+  .content input, .content textarea {
+    margin-bottom: 1em;
+  }
+  
+  .content textarea {
+    min-height: 12em;
+    resize: vertical;
+  }
+  
+  input.danger {
+    color: #cc2f2e;
+  }
+  
+  input[type=submit] {
+    align-self: start;
+    min-width: 10em;
+  }