logtofile.py

import time,datetime,csv

#http://stackoverflow.com/questions/15578331/save-list-of-ordered-tuples-as-csv



#fake set of events. This might come from a sensor later on
events = ["event1","event2","event3","event4","event5"]


def log_to_file(data):
    #set the path to the file. Right now it needs to be in the same folder.
    # CSV means comma separated value
    path = "log.csv"

    #get the current time
    ts = time.time()

    #this makes a timestamp that we can add as a string, so it looks like: 2012-12-15 01:21:05
    st = datetime.datetime.fromtimestamp(ts).strftime('%Y-%m-%d %H:%M:%S')

    #opens the CSV file
    csv_file = open(path,'a')
    writer = csv.writer(csv_file)
    writer.writerow([st,data])
    ## Python will convert \n to os.linesep
    csv_file.close()


#loop through the event list and append the event
for event in events:
    time.sleep(1)
    log_to_file(event)