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I have several related questions and post under one topic for clarity's sake. # Django/django_bookmarks/urls.py urlpatterns = patterns('', (r'^$', main_page), (r'^user/(\w+)/$', user_page), (r'^login/$', 'django.contrib.auth.views.login'), ) # login.html <html> <head> <title>Django Bookmarks - User Login</title> </head> <body> <h1>User Login</h1> {% if form.errors %} <p>Your username and password didn't match. Please try again.</p> {% endif %} <form method="post" action="."> {% csrf_token %} <p><label for="id_username">Username:</label> {{ form.username }}</p> <p><label for="id_password">Password:</label> {{ form.password }}</p> <input type="hidden" name="next" value="/" /> <input type="submit" value="login" /> </form> </body> </html> Based on the book , the login.html uses form.has_errors instead of form.errors . However, the form.has_errors doesn't print any warning message even if I enter a wrong user/password. After some investigation, I change it to form.errors and it works for me. Question 1> Which one should be used form.errors or form.has_errors ? Question 2> If form.has_errors doesn't work, why django doesn't complain in the first place. The book was written for Django 1.0 and I am using Django 1.3. Is that the reason? Question 3> How to check which attributes the form has? I have tried the following and it doesn't give the information I needed. python manage.py shell Python 2.7.1+ (r271:86832, Apr 11 2011, 18:05:24) [GCC 4.

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