update

project/__init__.py

@@ -31,9 +31,11 @@ def create_app(config_class=Config):
     from project.users.routes import users
     from project.posts.routes import posts
     from project.main.routes import main
+    from project.errors.handles import error
 
     app.register_blueprint(users)
     app.register_blueprint(posts)
     app.register_blueprint(main)
+    app.register_blueprint(error)
 
     return app

project/errors/handles.py

@@ -0,0 +1,18 @@
+from flask import Blueprint,render_template
+
+error= Blueprint('errors',"__name__")
+
+
+
+@error.app_error_handler(404)
+def error_404(error):
+    return render_template('errors/404.html'), 404
+
+@error.app_error_handler(403)
+def error_403(error):
+    return render_template('errors/403.html'), 403
+
+@error.app_error_handler(500)
+def error_500(error):
+    return render_template('errors/500.html'), 500
+

project/templates/errors/403.html

@@ -0,0 +1,7 @@
+{%extends "layout.html" %}
+{% block content%}
+    <div class='content-section'>
+        <h1>You dont have permission to do that. (403)</h1>
+        <p>Please check your account and try again.</p>
+    </div>
+{% endblock content%}

project/templates/errors/404.html

@@ -0,0 +1,7 @@
+{%extends "layout.html" %}
+{% block content%}
+    <div class='content-section'>
+        <h1>Oops page not found. (404)</h1>
+        <p>That page does not exist. Please  try a different location</p>
+    </div>
+{% endblock content%}

project/templates/errors/500.html

@@ -0,0 +1,7 @@
+{%extends "layout.html" %}
+{% block content%}
+    <div class='content-section'>
+        <h1>Something went wrong. (500)</h1>
+        <p>We're experiencing  some trouble  on our end. Please  try agian in the near future.</p>
+    </div>
+{% endblock content%}