def eventLoop(browser, interval, detail, nnotify, onotify):
'''
Check for tickets periodically.
Support for three intervals complicates this function.
interval: seconds between checks to Noctane.
nnotify: seconds between sending notifications about new tickets.
onotify: seconds between sending notifications about old tickets.
'''
last = 0
nlast = 0
olast = 0
while True:
try:
print('loop')
current = int(time.time())
print('%i > %i + %i (%i)' % (current, last, interval, last + interval))
if current > last + interval:
print('load tickets')
Pytane.loadTickets(browser)
last = current
else:
print('Sleeping for %i' % (last + interval - current))
if last + interval - current < 2:
# Corrects for rounding errors. Could avoid infinite, short sleeps.
time.sleep(2)
else:
time.sleep(last + interval - current)
continue
except Pytane.WrongPageError as e:
if e.page == URL + '/sign_in':
notify("Fatal Error", 'Noctane session failed/expired. Rerun pytane to login again.')
sys.exit(1)
else:
oldtickets, newtickets = Pytane.scrapTickets(browser, detail)
newtickets_shown = False
if newtickets and current > nlast + nnotify:
msg = []
for i in newtickets:
msg.append('%s: %s\t\t%s' % (i.date_latest, i.description[:30], i.customer_name[:15]))
notify("New Tickets", '\n=========\n'.join(msg))
nlast = current
newtickets_shown = True
print('Old: %i > %i + %i (%i)' % (current, last, onotify, last + onotify))
if oldtickets and current > olast + onotify:
if newtickets_shown:
# Give new tickets notification a chance to clear.
time.sleep(10)
msg = []
for i in oldtickets:
msg.append('%s: %s\t\t%s' % (i.date_latest, i.description[:30], i.customer_name[:15]))
notify("Old Tickets", '\n=========\n'.join(msg))
olast = current
return
sys.exit('%s is not a valid cookie' % args.cookie)
except EOFError:
pass
except IOError:
# File doesn't currently exist. Try to open
# and see if we get an actual error.
try:
a = open(args.cookie, 'w')
a.close()
except IOError as e:
sys.exit(': '.join((e.strerror, e.filename)))
else:
browser.__dict__['_ua_handlers']['_cookies'].cookiejar = cookie
try:
Pytane.loadTickets(browser)
except Pytane.WrongPageError as e:
if e.page == URL + '/sign_in':
if args.cookie:
good_cookie = False
print('Your cookie was invalid or new. Opening a new session.')
# Creating a new browser object in case invalid cookies aren't overwritten
# once we use password login page.
browser = Pytane.browserInit()
try:
Pytane.login(browser, args.user)
except Pytane.SessionFailureError:
sys.exit('Could not login to Noctane.')
except (KeyboardInterrupt, SystemExit, EOFError):
sys.exit('\n\nExiting on user command\n')
