def set_defaults(force=False):
""" default values (contents may change with schema) """
if not force and db_is_installed():
raise RuntimeError, "Database is already installed."
site = models.KegbotSite.objects.create(name='default')
# KegTap defaults
main_tap = models.KegTap(site=site,
name='Main Tap',
meter_name='kegboard.flow0')
main_tap.save()
secondary_tap = models.KegTap(site=site,
name='Second Tap',
meter_name='kegboard.flow1')
secondary_tap.save()
b = backend.KegbotBackend()
# brewer defaults
unk_brewer = bdb.Brewer(name='Unknown Brewer')
unk_brewer.save()
# beerstyle defaults
unk_style = bdb.BeerStyle(name='Unknown Style')
unk_style.save()
# beertype defaults
unk_type = bdb.BeerType(name="Unknown Beer",
brewer=unk_brewer,
style=unk_style)
unk_type.save()
# KegSize defaults - from http://en.wikipedia.org/wiki/Keg#Size
default_sizes = (
(15.5, "Full Keg (half barrel)"),
(13.2, "Import Keg (European barrel)"),
(7.75, "Pony Keg (quarter barrel)"),
(6.6, "European Half Barrel"),
(5.23, "Sixth Barrel (torpedo keg)"),
(5.0, "Corny Keg"),
(1.0, "Mini Keg"),
)
for gallons, description in default_sizes:
volume = units.Quantity(gallons, units.UNITS.USGallon)
volume_int = volume.Amount(in_units=units.RECORD_UNIT)
ks = models.KegSize(
name=description,
volume_ml=volume_int,
)
ks.save()
def volume(text, fmt='pints'):
try:
vol = units.Quantity(float(text))
except ValueError:
return text
if fmt == 'pints':
res = vol.InPints()
elif fmt == 'liters':
res = vol.InLiters()
elif fmt == 'ounces':
res = vol.InOunces()
elif fmt == 'gallons':
res = vol.InUSGallons()
elif fmt == 'twelveounces':
res = vol.InTwelveOunceBeers()
elif fmt == 'halfbarrels':
res = vol.InHalfBarrelKegs()
else:
raise TemplateSyntaxError, 'Unknown volume format: %s' % fmt
return float(res)
def KegVolumeChart(keg):
if not isinstance(keg, models.Keg):
raise ChartError('Bad value given for keg')
stats = keg.GetStats()
served = units.Quantity(stats.total_volume_ml)
served_pints = to_pints(served)
full_pints = to_pints(keg.full_volume())
remain_pints = full_pints - served_pints
res = {
'chart': {
'defaultSeriesType': 'bar',
},
'series': [
{'data': [served_pints]},
],
'tooltip': {
'enabled': False,
},
'xAxis': {
'categories': ['Served'],
'labels': {
'enabled': False,
},
'gridLineWidth': 0,
},
'yAxis': {
'endOnTick': False,
'min': 0,
'max': full_pints,
'lineWidth': 0,
'labels': {
'enabled': False,
},
},
}
return res
def onFlowUpdate(self, event):
flow_id = event.flow_id
if event.state == event.FlowState.COMPLETED:
if flow_id in self._flows:
del self._flows[flow_id]
return
curr_ounces = float(
units.Quantity(event.volume_ml,
units=units.UNITS.Ounce,
from_units=units.UNITS.Milliliter))
if flow_id not in self._flows:
self._flows[flow_id] = -1
last_ounces = self._flows[flow_id]
for trigger in OUNCE_TRIGGER_THRESHOLDS:
if (last_ounces < trigger) and (curr_ounces >= trigger):
self._ThresholdEvent(trigger, event)
break
self._flows[flow_id] = curr_ounces
def backwards(self, orm):
for dc in orm.DrinkClassification.objects.all():
volume_ml = units.Quantity(dc.minimum_volume, units=UNITS.Milliliter)
volume_orig = volume_ml.Amount(in_units=UNITS.KbMeterTick)
dc.minimum_volumel = volume_orig
dc.save()
def Volume(self): return units.Quantity(self.volume_ml)
def __str__(self): gallons = units.Quantity(self.volume_ml).InUSGallons() return "%s [%.2f gal]" % (self.name, gallons)
def testDrinkSessions(self):
""" Checks for the DrinkingSession records. """
u1 = self.user
u2 = self.user2
vol = units.Quantity(1200)
drinks = {}
base_time = datetime.datetime(2009, 1, 1, 1, 0, 0)
ticks = volume = vol.InKbMeterTicks()
td_10m = datetime.timedelta(minutes=10)
td_200m = datetime.timedelta(minutes=200)
td_190m = td_200m - td_10m
self.assertEqual(models.Drink.objects.all().count(), 0)
self.assertEqual(models.DrinkingSession.objects.all().count(), 0)
### User 1
# t=0
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u1.username,
pour_time=base_time,
)
# t=10
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u1.username,
pour_time=base_time + td_10m,
)
# t=200
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u1.username,
pour_time=base_time + td_200m,
)
drinks_u1 = u1.drinks.all().order_by('starttime')
### User 2
# t=0
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u2.username,
pour_time=base_time,
)
# t=200
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u2.username,
pour_time=base_time + td_200m,
)
# t=190
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u2.username,
pour_time=base_time + td_190m,
)
drinks_u2 = u2.drinks.all().order_by('starttime')
u1_chunks = u1.session_chunks.all().order_by('starttime')
self.assertEqual(len(u1_chunks), 2)
u2_chunks = u2.session_chunks.all().order_by('starttime')
self.assertEqual(len(u2_chunks), 2)
s1, s2 = models.DrinkingSession.objects.all().order_by('starttime')[:2]
SESSION_DELTA = datetime.timedelta(
minutes=kb_common.DRINK_SESSION_TIME_MINUTES)
# session 1: should be 10 minutes long as created above
self.assertEqual(s1.starttime, drinks_u1[0].starttime)
self.assertEqual(s1.endtime, drinks_u1[1].starttime)
self.assertEqual(s1.drinks.valid().filter(user=u1).count(), 2)
self.assertEqual(s1.drinks.valid().filter(user=u2).count(), 1)
# session 2: at time 200, 1 drink
self.assertEqual(s2.starttime, base_time + td_190m)
self.assertEqual(s2.endtime, base_time + td_200m)
self.assertEqual(s2.drinks.valid().filter(user=u1).count(), 1)
self.assertEqual(s2.drinks.valid().filter(user=u2).count(), 2)
# user2 session2: drinks are added out of order to create this, ensure times
# match
u2_c2 = u2_chunks[1]
self.assertEqual(u2_c2.starttime, base_time + td_190m)
self.assertEqual(u2_c2.endtime, base_time + td_200m)
# Now check DrinkingSessions were created correctly; there should be
# two groups capturing all 4 sessions.
all_groups = models.DrinkingSession.objects.all().order_by('starttime')
self.assertEqual(len(all_groups), 2)
self.assertEqual(all_groups[0].starttime, base_time)
self.assertEqual(all_groups[0].endtime, base_time + td_10m)
self.assertEqual(all_groups[0].user_chunks.all().count(), 2)
self.assertEqual(all_groups[1].starttime, base_time + td_190m)
self.assertEqual(all_groups[1].endtime, base_time + td_200m)
self.assertEqual(all_groups[1].user_chunks.all().count(), 2)
def gentestdata():
""" default values (contents may change with schema) """
sn = bdb.Brewer(name='Sierra Nevada Brewing Company',
country='USA',
origin_state='California',
origin_city='Chico',
production='commercial',
url='http://www.sierranevada.com/')
sn.save()
an = bdb.Brewer(name='Anchor Brewing Company',
country='USA',
origin_state='California',
origin_city='San Francisco',
production='commercial',
url='http://www.anchorsteam.com/')
an.save()
# beerstyle defaults
pale_ale = bdb.BeerStyle(name='Pale Ale')
pale_ale.save()
# beertype defaults
sn_pa = bdb.BeerType(name="Sierra Nevada Pale Ale",
brewer=sn,
style=pale_ale,
calories_oz=10,
carbs_oz=10,
abv=5.5)
sn_pa.save()
as_pa = bdb.BeerType(name="Anchor Liberty Ale",
brewer=an,
style=pale_ale,
calories_oz=10,
carbs_oz=10,
abv=5.0)
as_pa.save()
usernames = ['abe', 'bort', 'charlie']
users = []
b = backend.KegbotBackend()
for name in usernames:
users.append(b.CreateNewUser(name))
half_barrel = models.KegSize(name="half barrel", volume_ml=10000)
half_barrel.save()
k = models.Keg(type=as_pa, size=half_barrel, status='online', origcost=100)
k.save()
drink_base = datetime.datetime(2007, 1, 1, 8, 0, 0)
drink_interval = datetime.timedelta(seconds=600)
drink_num = 0
drink_vols = []
for ml in (2200, 1100, 550, 715, 780):
drink_vols.append(
units.Quantity(ml, from_units=units.UNITS.KbMeterTick))
# generate some drinks
times = (drink_base, drink_base + datetime.timedelta(days=1))
for drink_time in times:
for rounds in range(3):
for u in users:
start = drink_time + drink_num * drink_interval
end = start + datetime.timedelta(seconds=10)
vol = drink_vols[drink_num % len(drink_vols)]
drink = models.Drink(ticks=vol.InKbMeterTicks(),
volume_ml=vol.Amount(units.RECORD_UNIT),
starttime=start,
user=u,
keg=k,
status='valid')
drink.save()
drink_num += 1
# fake thermo data
thermo_start = datetime.datetime.now() - datetime.timedelta(hours=24)
sensor_name = "thermo-0000000000000000"
sensor = models.ThermoSensor.objects.create(raw_name=sensor_name,
nice_name='Test sensor')
for minute in xrange(60 * 24):
temp_time = thermo_start + datetime.timedelta(minutes=minute)
slot = (minute + 1) / 30.0
var = math.cos(2 * math.pi * slot)
temp_value = 5.0 + 2.0 * var
record = models.Thermolog(sensor=sensor,
temp=temp_value,
time=temp_time)
record.save()
def __str__(self):
vol = units.Quantity(self.minimum_volume_ml, units.UNITS.Milliliter)
oz = vol.InOunces()
return '%s (%.1foz or more)' % (self.name, oz)
def setUp(self):
del logging.root.handlers[:]
if not defaults.db_is_installed():
defaults.set_defaults()
models.Drink.objects.all().delete()
self.site, _ = models.KegbotSite.objects.get_or_create(name='default')
self.keg_size = models.KegSize.objects.create(
name='10Liter Keg', volume_ml=units.Quantity(10000))
self.beer_style = bdb_models.BeerStyle.objects.create(
name='test style')
self.brewer = bdb_models.Brewer.objects.create(name='test brewer')
self.beer_type = bdb_models.BeerType.objects.create(
name='test beer type',
brewer=self.brewer,
style=self.beer_style,
calories_oz=10.0,
carbs_oz=2.0,
abv=5.0)
self.test_keg = models.Keg.objects.create(site=self.site,
type=self.beer_type,
size=self.keg_size,
status='online',
description='None')
self.test_tap = models.KegTap.objects.create(
site=self.site,
name='Test Tap',
meter_name='test_meter_name',
ml_per_tick=(1000.0 / 2200.0),
current_keg=self.test_keg)
self.kegbot = kegbot.KegbotCoreApp(local_backend=True)
self.env = self.kegbot._env
self.backend = self.env.GetBackend()
self.test_user = self.backend.CreateNewUser('tester')
self.test_token = self.backend.CreateAuthToken('core.onewire',
'0000111122223333',
'tester')
self.test_user_2 = self.backend.CreateNewUser('tester_2')
self.test_token_2 = self.backend.CreateAuthToken(
'core.onewire', 'baadcafebeeff00d', 'tester_2')
kb_common.AUTH_DEVICE_MAX_IDLE_SECS['core.onewire'] = 2
# Kill the kegbot flow processing thread so we can single step it.
self.service_thread = self.env._service_thread
self.env._threads.remove(self.service_thread)
self.kegbot._Setup()
self.kegbot._StartThreads()
self.client = kegnet.KegnetClient()
while True:
if self.client.Reconnect():
break
def to_pints(volume): return float(units.Quantity(volume).InPints())