zeo - draw graph of sleep/wake

zeosleep.py

import csv
import time
from matplotlib.pyplot import *

times0 = []
times1 = []
times2 = []

with open('zeodata.csv', 'rb') as csvfile:
    zreader = csv.reader(csvfile, delimiter=',')
    for row in zreader:
        if row[0] == "Sleep Date":
            continue
        if row[9] == '' or row[11] == '':
            continue
        date = row[0]
        dtime = time.strptime(date, "%m/%d/%Y")
        start = row[9]
        startTime = time.strptime(start, "%m/%d/%Y %H:%M")
        end = row[11]
        endTime =  time.strptime(end, "%m/%d/%Y %H:%M")

        # draw a line from start to end
        epochStartTime = time.mktime(startTime)
        epochEndTime = time.mktime(endTime)
        dayNumber = time.strftime("%j",startTime)
        epochDay = time.mktime(time.strptime(time.strftime("%j %Y",startTime),"%j %Y"))
        epochEndDay = time.mktime(time.strptime(time.strftime("%j %Y",endTime),"%j %Y"))

        if (time.strftime("%Y", startTime) == "2012"):
            dayNumber = int(dayNumber) + 366

        if time.strftime("%j", startTime) == time.strftime("%j", endTime):

            minsSinceStartTime = (epochStartTime - epochDay) / 60
            minsSinceEndTime = (epochEndTime - epochDay) / 60

            times0.append(int(dayNumber))
            times1.append(abs(1440-int(minsSinceStartTime)))
            times2.append(abs(1440-int(minsSinceEndTime)))
            
        else:
            # draw a line from start to midnight
            minsSinceStartTime = (epochStartTime - epochDay) / 60
            midnightStart = 60 * 24

            times0.append(int(dayNumber))
            times1.append(abs(1440-int(minsSinceStartTime)))
            times2.append(abs(1440-int(midnightStart)))

            # draw a line from the next day to end
            minsSinceEndTime = (epochEndTime - epochEndDay) / 60
            midnightEnd = 0

            times0.append(int(dayNumber)+1)
            times1.append(abs(1440-int(midnightEnd)))
            times2.append(abs(1440-int(minsSinceEndTime)))

vlines(times0,times1,times2)
show()