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"""
Lightweight session-based messaging system.
Time-stamp: <2009-03-10 19:22:29 carljm __init__.py>
"""
VERSION = (0, 1, 'pre')
def create_message (request, message):
"""
Create a message in the current session.
"""
assert hasattr(request, 'session'), "django-session-messages requires session middleware to be installed. Edit your MIDDLEWARE_CLASSES setting to insert 'django.contrib.sessions.middleware.SessionMiddleware'."
try:
request.session['messages'].append(message)
except KeyError:
request.session['messages'] = [message]
def get_and_delete_messages (request, include_auth=False):
"""
Get and delete all messages for current session.
Optionally also fetches user messages from django.contrib.auth.
"""
assert hasattr(request, 'session'), "django-session-messages requires session middleware to be installed. Edit your MIDDLEWARE_CLASSES setting to insert 'django.contrib.sessions.middleware.SessionMiddleware'."
messages = request.session.pop('messages', [])
if include_auth and request.user.is_authenticated():
messages.extend(request.user.get_and_delete_messages())
return messages
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