movidas las vistas dedicadas al login hacia el archivo auth.py para mayor coherencia

www/admin.py

@@ -1,65 +1,9 @@
-import functools
-
-from flask import (
-    Blueprint, flash, g, redirect, render_template, request, session, url_for
-)
-
-from werkzeug.exceptions import abort
-from werkzeug.security import check_password_hash
+from flask import Blueprint, flash, g, redirect, render_template, request, session, url_for
 
 from www.db import get_db
 
 bp = Blueprint('admin', __name__, url_prefix='/admin')
 
-@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 users 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('admin/login.html')
-
-@bp.route('/logout')
-def logout():
-    session.clear()
-    return redirect(url_for('index'))
-
-@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 users WHERE id = ?', (user_id,)
-        ).fetchone()
-
-def admin_required(view):
-    @functools.wraps(view)
-    def wrapped_view(**kwargs):
-        if g.user is None:
-            return redirect(abort(404))
-
-        return view(**kwargs)
-
-    return wrapped_view
+@bp.route('/panel')
+def panel():
+    return render_template('admin/panel.html')