.

app/__init__.py

@@ -1,6 +1,8 @@
 from flask import Flask
+from flask_login import LoginManager
 
 app = Flask(__name__)
 app.config["SECRET_KEY"] = "fdsaGHJ768fdsGHKJHG656&*(&%&*(fsd"
+login = LoginManager(app)
 
 from app import routes

app/models.py

@@ -0,0 +1,10 @@
+from werkzeug.security import generate_password_hash, check_password_hash
+from flask_login import UserMixin
+
+
+class User(UserMixin):
+    def set_password(self, password):
+        self.password_hash = generate_password_hash(password)
+
+    def check_password(self, password):
+        return check_password_hash(self.password_hash, password)

app/routes.py

@@ -1,5 +1,15 @@
-from flask import render_template
+from flask import render_template, flash, redirect, url_for
 from app import app
+from app.forms import LoginForm
+
+
+@app.route("/login", methods=["GET", "POST"])
+def login():
+    form = LoginForm()
+    if form.validate_on_submit():
+        flash("Login requested for user {}, remember_me={}".format(form.username.data, form.remember_me.data))
+        return redirect("/index")
+    return render_template("login.html", title="Sign In", form=form)
 
 
 @app.route("/")

app/templates/login.html

@@ -0,0 +1,16 @@
+{% block content %}
+<h1>Sign In</h1>
+<form action="" method="post" novalidate>
+    {{ form.hidden_tag() }}
+    <p>
+        {{ form.username.label }}<br>
+        {{ form.username(size=32) }}
+    </p>
+    <p>
+        {{ form.password.label }}<br>
+        {{ form.password(size=32) }}
+    </p>
+    <p>{{ form.remember_me() }} {{ form.remember_me.label }}</p>
+    <p>{{ form.submit() }}</p>
+</form>
+{% endblock %}