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""" Helpers to support json encoding of session data """
from datetime import datetime
def set_last_activity(session, dt):
""" Set the last activity datetime as a string in the session. """
session['_session_security'] = dt.strftime('%Y-%m-%dT%H:%M:%S.%f')
def get_last_activity(session):
"""
Get the last activity datetime string from the session and return the
python datetime object.
"""
try:
return datetime.strptime(session['_session_security'],
'%Y-%m-%dT%H:%M:%S.%f')
except AttributeError:
#################################################################
# * this is an odd bug in python
# bug report: http://bugs.python.org/issue7980
# bug explained here:
# http://code-trick.com/python-bug-attribute-error-_strptime/
# * sometimes, in multithreaded enviroments, we get AttributeError
# in this case, we just return datetime.now(),
# so that we are not logged out
# "./session_security/middleware.py", in update_last_activity
# last_activity = get_last_activity(request.session)
# "./session_security/utils.py", in get_last_activity
# '%Y-%m-%dT%H:%M:%S.%f')
# AttributeError: _strptime
#
#################################################################
return datetime.now()
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