Get started http://stackoverflow.com/questions/30431100/staff-activity-monitor-adding-up-login-logout-timestamps

cumulativeLoginTime

# In[1]:

import re
import datetime

# In[2]:

log = """[23:40:45]ACCESS: Login: StaffMember/(StaffMember) 
[23:41:09]ACCESS: Logout: *no key*/(StaffMember)
[23:41:09]ACCESS: Login: StaffMember/(John Smith) 
[23:41:29]ACCESS: Logout: *no key*/(John Smith)
[23:41:29]ACCESS: Login: StaffMember/(John Smith) 
[23:41:52]ACCESS: Logout: *no key*/(John Smith)
[23:41:52]ACCESS: Login: StaffMember/(John Smith)"""


# In[3]:

logLinePattern = re.compile("\[(\d\d):(\d\d):(\d\d)\]ACCESS: (Login|Logout):.*/\((.*)\)")


# In[4]:

for line in log.split("\n"):
    eventTime = datetime.time(int(re.match(logLinePattern, line).group(1)), \
                              int(re.match(logLinePattern, line).group(2)), \
                              int(re.match(logLinePattern, line).group(3)))
    eventType = re.match(logLinePattern, line).group(4)
    user = re.match(logLinePattern, line).group(5)
    print eventTime, eventType, user
    
# TODO:
#   Make a dictionary of events for each user, iterate through the users, sort the events, then iterate through the events capturing the cumulative time between login/logout