def test_valid_composed_to_basic():
"""Composed units should convert to basic equivalents."""
metre = unit('m')
hundred_cm_in_metres = metre(Quantity(100, unit('cm')))
assert hundred_cm_in_metres == Quantity(1.0, metre)
assert str(hundred_cm_in_metres) == '1.0 m'
def test_multiply_named_scalar():
"""Named quantities * scalars"""
m_per_s = NamedComposedUnit('vel',
unit('m') / unit('s'))
assert (Quantity(8, m_per_s) * 2 ==
Quantity(16, m_per_s))
def index(request):
primary_bike_id = ''
bikes = request.user.gear_set.all()
for bike in bikes:
if bike.primary:
primary_bike_id = bike.strava_id
gear_id = request.POST.get('gear_id', primary_bike_id)
before = request.POST.get('before')
after = request.POST.get('after')
if before and after:
before = datetime.datetime.strptime(before, '%Y-%m-%d') + timedelta(hours=23, minutes=59, seconds=59)
after = datetime.datetime.strptime(after, '%Y-%m-%d') + timedelta(hours=23, minutes=59, seconds=59)
else:
before = datetime.datetime.today().replace(hour=23, minute=59, second=59, microsecond=0)
after = before - timedelta(days=7)
stra = strava()
filters = [
{'field': 'athlete.id', 'query': request.user.strava_id},
{'field': 'start_date', 'query': {'$lt': before, '$gte': after}},
{'field': 'gear_id', 'query': gear_id},
]
activities = stra.aggregate_activities_mongo(filters, {
'_id': None,
'distance': {'$sum': '$distance'},
'elapsed_time': {'$sum': '$moving_time'},
'elevation': {'$sum': '$total_elevation_gain'},
'average_speed': {'$avg': '$average_speed'},
'kilojoules': {'$sum': '$kilojoules'},
})
template_fields = {
'bikes': bikes,
'gear_id':gear_id,
'before':before.strftime('%Y-%m-%d'),
'after':after.strftime('%Y-%m-%d'),
'distance': unithelper.miles(unit('m')(0)),
'time': unithelper.hours(unit('s')(0)),
'elevation': unithelper.meters(unit('m')(0)),
'avg_speed': unithelper.mph(unit('m')(0)/unit('s')(1)),
'kjs': 0,
}
activity = None
for agg in activities:
if not activity:
activity = agg
if activity:
merge_dict = template_fields.copy()
merge_dict.update({
'distance': unithelper.miles(unit('m')(activity['distance'])),
'time': unithelper.hours(unit('s')(activity['elapsed_time'])),
'elevation': unithelper.meters(unit('m')(activity['elevation'])),
'avg_speed': unithelper.mph(unit('m')(activity['average_speed'])/unit('s')(1)),
'kjs': activity['kilojoules'],
})
template_fields = merge_dict
return render_to_response('strava/templates/strava_index.html', template_fields, context_instance=RequestContext(request))
def test_divide_named_scalar():
"""Named quantities / scalars"""
m_per_s = NamedComposedUnit('vel',
unit('m') / unit('s'))
assert (Quantity(8, m_per_s) / 2 ==
Quantity(4, m_per_s))
def test_valid_basic_to_composed():
"""Test conversion to composed units."""
composed_cm = unit('cm').composed_unit
one_m_in_cm = composed_cm(Quantity(1, unit('m')))
assert one_m_in_cm == Quantity(1, unit('m'))
def test_valid_basic_to_composed():
"""Test conversion to composed units."""
composed_cm = unit('cm').composed_unit
one_m_in_cm = composed_cm(Quantity(1, unit('m')))
assert one_m_in_cm == Quantity(1, unit('m'))
def test_divide_named_scalar():
"""Named quantities / scalars"""
m_per_s = NamedComposedUnit('vel',
unit('m') / unit('s'))
assert (Quantity(8, m_per_s) / 2 ==
Quantity(4, m_per_s))
def test_multiply_named_scalar():
"""Named quantities * scalars"""
m_per_s = NamedComposedUnit('vel',
unit('m') / unit('s'))
assert (Quantity(8, m_per_s) * 2 ==
Quantity(16, m_per_s))
def test_rmultiply_named_scalar():
"""Scalars * Named quantities"""
m_per_s = NamedComposedUnit('vel',
unit('m') / unit('s'))
assert (2 * Quantity(8, m_per_s) ==
Quantity(16, m_per_s))
def test_rdivide_named_scalar():
"""Scalars / Named quantities"""
m_per_s = NamedComposedUnit('vel',
unit('m') / unit('s'))
assert (4 / Quantity(2, m_per_s) ==
Quantity(2, unit('s') / unit('m')))
def test_valid_composed_to_basic():
"""Composed units should convert to basic equivalents."""
metre = unit('m')
hundred_cm_in_metres = metre(Quantity(100, unit('cm')))
assert hundred_cm_in_metres == Quantity(1.0, metre)
assert str(hundred_cm_in_metres) == '1.00 m'
def test_rdivide_named_scalar():
"""Scalars / Named quantities"""
m_per_s = NamedComposedUnit('vel',
unit('m') / unit('s'))
assert (4 / Quantity(2, m_per_s) ==
Quantity(2, unit('s') / unit('m')))
def test_rmultiply_named_scalar():
"""Scalars * Named quantities"""
m_per_s = NamedComposedUnit('vel',
unit('m') / unit('s'))
assert (2 * Quantity(8, m_per_s) ==
Quantity(16, m_per_s))
def test_valid_basic_to_named():
"""Basic units should convert into named equivalents."""
metre = unit('m')
thousand_m_in_km = unit('km')(Quantity(1000, metre))
assert thousand_m_in_km == Quantity(1, unit('km'))
assert thousand_m_in_km.unit == unit('km')
assert str(thousand_m_in_km) == '1 km'
def test_valid_basic_to_named():
"""Basic units should convert into named equivalents."""
metre = unit('m')
thousand_m_in_km = unit('km')(Quantity(1000, metre))
assert thousand_m_in_km == Quantity(1, unit('km'))
assert thousand_m_in_km.unit == unit('km')
assert str(thousand_m_in_km) == '1.00 km'
def test_valid_named_to_basic():
"""Named units should convert to their basic equivalents"""
kilometre = unit('km')
one_km_in_m = unit('m')(Quantity(1, kilometre))
assert one_km_in_m == Quantity(1000, unit('m'))
assert one_km_in_m.unit == unit('m')
assert str(one_km_in_m) == '1000 m'
def test_valid_named_to_basic():
"""Named units should convert to their basic equivalents"""
kilometre = unit('km')
one_km_in_m = unit('m')(Quantity(1, kilometre))
assert one_km_in_m == Quantity(1000, unit('m'))
assert one_km_in_m.unit == unit('m')
assert str(one_km_in_m) == '1000.00 m'
def test_volume():
"""Volume units should interchange correctly with cubed area units."""
litres = unit('L')
millilitres = unit('mL')
centimetres = unit('cm')
cm_cubed = centimetres * centimetres * centimetres
assert Quantity(1, litres) == Quantity(1000, millilitres)
assert Quantity(1, millilitres) == Quantity(1, cm_cubed)
def test_valid_named_to_named():
"""Named units should convert to named equivalents."""
gray = unit('Gy')
sievert = unit('Sv')
one_gray_in_sievert = sievert(Quantity(1, gray))
assert one_gray_in_sievert == Quantity(1, gray)
assert str(one_gray_in_sievert) == '1 Sv'
def test_valid_named_to_named():
"""Named units should convert to named equivalents."""
gray = unit('Gy')
sievert = unit('Sv')
one_gray_in_sievert = sievert(Quantity(1, gray))
assert one_gray_in_sievert == Quantity(1, gray)
assert str(one_gray_in_sievert) == '1.00 Sv'
def define_imperial_units():
"""Define some common imperial units."""
assert unit("m").is_si() # Ensure SI units already defined
# scaled_unit measures
scaled_unit("inch", "cm", 2.54, name="inch")
scaled_unit("in", "cm", 2.54, name="inch") # 'in' is a python keyword
scaled_unit("ft", "inch", 12.0, name="foot")
scaled_unit("yd", "ft", 3.0, name="yard")
scaled_unit("fm", "ft", 6.0, name="fathom")
scaled_unit("rd", "yd", 5.5, name="rod")
scaled_unit("fur", "rd", 40.0, name="furlong")
scaled_unit("mi", "fur", 8.0, name="mile")
scaled_unit("lea", "mi", 3.0, name="leage")
# nautical scaled_unit measures
scaled_unit("NM", "m", 1852.0, name="nautical mile")
scaled_unit("cable", "NM", 0.1, name="cable length")
# chain measure
scaled_unit("li", "inch", 7.92, name="link")
scaled_unit("ch", "li", 100.0, name="chain")
# area measure
NamedComposedUnit("acre", ComposedUnit([unit("rd")] * 2, [], 160.0), name="acre")
# liquid measures
NamedComposedUnit("pt", ComposedUnit([unit("inch")] * 3, [], 28.875), name="pint")
scaled_unit("gi", "pt", 0.25, name="gills")
scaled_unit("qt", "pt", 2.0, name="quarts")
scaled_unit("gal", "qt", 4.0, name="gallons")
scaled_unit("fl oz", "pt", 1.0 / 16.0, name="fluid ounce")
scaled_unit("fl dr", "fl oz", 1.0 / 8.0, name="fluid drachm")
scaled_unit("minim", "fl dr", 1.0 / 60.0, name="minim")
# weight
scaled_unit("oz", "g", 28.375, name="ounce")
scaled_unit("lb", "oz", 16.0, name="pound")
scaled_unit("ton", "lb", 2000.0, name="ton")
scaled_unit("grain", "lb", 1.0 / 7000.0, name="grain")
scaled_unit("dr", "lb", 1.0 / 256.0, name="dram")
scaled_unit("cwt", "lb", 100.0, name="hundredweight")
scaled_unit("dwt", "grain", 24.0, name="pennyweight")
scaled_unit("oz t", "dwt", 20.0, name="ounce troy")
scaled_unit("lb t", "oz t", 12.0, name="pound troy")
# power
scaled_unit("hpl", "W", 746.9999, name="mechanical")
scaled_unit("hpm", "W", 735.49875, name="metric horsepower")
scaled_unit("hpe", "W", 746.0, name="electric horsepower")
# energy
scaled_unit("BTU", "J", 1055.056, name="ISO BTU", is_si=True)
def test_volume():
"""Volume units should interchange correctly with cubed area units."""
litres = unit('L')
millilitres = unit('mL')
centimetres = unit('cm')
cm_cubed = centimetres * centimetres * centimetres
assert Quantity(1, litres) == Quantity(1000, millilitres)
assert Quantity(1, millilitres) == Quantity(1, cm_cubed)
def setUp(self):
self.laminate = CathodeLaminate(mass_active_material=0.9,
mass_carbon=0.05,
mass_binder=0.05,
name="LMO-NEI")
self.electrode = CoinCellElectrode(total_mass=unit('mg')(15),
substrate_mass=unit('mg')(5),
laminate=self.laminate,
name="DummyElectrode",
diameter=unit('mm')(12.7))
def test_composed_unit_repr():
"""Developer-friendly string representation of composed units."""
test_repr = (repr(unit('m') * unit('g') / unit('s')))
# non-deterministic
assert test_repr in [
"ComposedUnit([LeafUnit('g', True), " + "LeafUnit('m', True)], " + "[LeafUnit('s', True)], 1)",
"ComposedUnit([LeafUnit('m', True), " + "LeafUnit('g', True)], " + "[LeafUnit('s', True)], 1)"
]
def test_composed_unit_repr():
"""Developer-friendly string representation of composed units."""
test_repr = (repr(unit('m') * unit('g') / unit('s')))
# non-deterministic
assert test_repr in [
"ComposedUnit([LeafUnit('g', True), " + "LeafUnit('m', True)], " +
"[LeafUnit('s', True)], 1)", "ComposedUnit([LeafUnit('m', True), " +
"LeafUnit('g', True)], " + "[LeafUnit('s', True)], 1)"
]
def test_good_named_add_w_mult():
"""A quantity with a named composed unit that carries a multiplier
should add to a composed unit that has a multiplier"""
mile = unit('mi').composed_unit
kilometre = unit('km')
assert within_epsilon(Quantity(1, mile) + Quantity(1, kilometre),
Quantity(1, kilometre) + Quantity(1, mile))
assert within_epsilon(Quantity(2609.344, unit('m')),
Quantity(1, kilometre) + Quantity(1, mile))
def test_good_named_add_w_mults():
"""Two quantities with compatible but differently-named and
differently-multiplied units should add together."""
mile = unit('mi')
kilometre = unit('km')
assert within_epsilon(Quantity(1, mile) + Quantity(1, kilometre),
Quantity(1, kilometre) + Quantity(1, mile))
assert within_epsilon(Quantity(2609.344, unit('m')),
Quantity(1, kilometre) + Quantity(1, mile))
def test_good_named_add_w_mult():
"""A quantity with a named composed unit that carries a multiplier
should add to a composed unit that has a multiplier"""
mile = unit('mi').composed_unit
kilometre = unit('km')
assert within_epsilon(
Quantity(1, mile) + Quantity(1, kilometre),
Quantity(1, kilometre) + Quantity(1, mile))
assert within_epsilon(Quantity(2609.344, unit('m')),
Quantity(1, kilometre) + Quantity(1, mile))
def test_good_named_add_w_mults():
"""Two quantities with compatible but differently-named and
differently-multiplied units should add together."""
mile = unit('mi')
kilometre = unit('km')
assert within_epsilon(
Quantity(1, mile) + Quantity(1, kilometre),
Quantity(1, kilometre) + Quantity(1, mile))
assert within_epsilon(Quantity(2609.344, unit('m')),
Quantity(1, kilometre) + Quantity(1, mile))
def test_good_sub_w_mult():
"""Two quantities with same units should sub together when
they have the same multiplier"""
moon = ComposedUnit([unit('day')], [], multiplier=28)
lunar_cycle = ComposedUnit([unit('day')], [], multiplier=28)
assert (Quantity(2, moon) - Quantity(1, lunar_cycle) == Quantity(1, moon))
assert (Quantity(2, lunar_cycle) - Quantity(1, moon) == Quantity(
1, lunar_cycle))
assert Quantity(1, moon) == Quantity(1, lunar_cycle)
def ConvertElectricFieldAtomicFromIntensitySI(self, intensity):
"""
Intensity [W/cm**2] -> E-field strength [a.u.]
Relation obtained from time-averaging over one cycle,
E0 = sqrt( (2 <I>) / (eps0 * c) )
"""
watt_per_squarecm = unit('W') / unit('cm')**2
val = sqrt(2.0 * intensity / (self.electrostatic_constant.squeeze() /
(4*pi) * self.lightspeed))
return val * 100.0 / self.electric_field_strength.squeeze()
def test_good_mixed_sub():
"""Two quantities with the same units should sub together
even if one is named"""
gray = unit('Gy')
sievert = unit('Sv').composed_unit
assert (Quantity(4, gray) - Quantity(2, sievert) == Quantity(2, gray))
assert (Quantity(4, sievert) - Quantity(2, gray) == Quantity(2, sievert))
assert Quantity(2, sievert) == Quantity(2, gray)
def test_read_current(self):
run = GalvanostatRun(mptfile)
# These are practically equal but assertEqual fails due to rounding in units package
self.assertApproximatelyEqual(
run.charge_current,
unit('mA')(0.33570),
tolerance=10**-15
)
self.assertApproximatelyEqual(
run.discharge_current,
unit('mA')(-335.70),
tolerance=10**-15
)
def test_valid_composed_to_composed():
"""Valid composed units in terms of others."""
metric_vel = unit('km') / unit('h')
imp_vel = unit('mi') / unit('h')
highway_kph = Quantity(100, metric_vel)
highway_mph = Quantity(62.1371192237334, imp_vel)
assert str(highway_kph) == '100 km / h'
assert str(highway_mph) == '62.1371192237 mi / h'
assert within_epsilon(imp_vel(highway_kph), highway_mph)
assert str(imp_vel(highway_kph)) == '62.1371192237 mi / h'
def test_valid_composed_to_composed():
"""Valid composed units in terms of others."""
metric_vel = unit('km') / unit('h')
imp_vel = unit('mi') / unit('h')
highway_kph = Quantity(100, metric_vel)
highway_mph = Quantity(62.1371192237334, imp_vel)
assert str(highway_kph) == '100.00 km / h'
assert str(highway_mph) == '62.14 mi / h'
assert within_epsilon(imp_vel(highway_kph), highway_mph)
assert str(imp_vel(highway_kph)) == '62.14 mi / h'
def test_good_sub_w_mults():
"""Two quantities with compatible units should sub together
even when they have different multipliers"""
mile = unit('mi').composed_unit
kilometre = unit('km').composed_unit
m_on_left = Quantity(1, mile) - Quantity(1, kilometre)
km_on_left = Quantity(1, kilometre) - Quantity(1, mile)
m_on_left_diff = Quantity(609.344, unit('m'))
km_on_left_diff = Quantity(-609.344, unit('m'))
assert within_epsilon(m_on_left, m_on_left_diff)
assert within_epsilon(km_on_left, km_on_left_diff)
assert within_epsilon(m_on_left_diff, -km_on_left_diff)
def test_good_sub_w_mults():
"""Two quantities with compatible units should sub together
even when they have different multipliers"""
mile = unit('mi').composed_unit
kilometre = unit('km').composed_unit
m_on_left = Quantity(1, mile) - Quantity(1, kilometre)
km_on_left = Quantity(1, kilometre) - Quantity(1, mile)
m_on_left_diff = Quantity(609.344, unit('m'))
km_on_left_diff = Quantity(-609.344, unit('m'))
assert within_epsilon(m_on_left, m_on_left_diff)
assert within_epsilon(km_on_left, km_on_left_diff)
assert within_epsilon(m_on_left_diff, -km_on_left_diff)
def test_pow():
"""Exponentiation of quantities."""
REGISTRY.clear()
define_units()
m_unit = unit('m')
m_quant = Quantity(2, m_unit)
assert (m_quant ** 2 == m_quant * m_quant == pow(m_quant, 2))
cm_unit = unit('cm')
cm_quant = Quantity(2, cm_unit)
assert within_epsilon(cm_quant ** 2, cm_quant * cm_quant)
assert within_epsilon(cm_quant ** 2, pow(cm_quant, 2))
def test_good_mixed_add():
"""Two quantities with the same units should add together
even if one is named"""
gray = NamedComposedUnit('gray',
ComposedUnit([unit('J'), unit('kg')], []),
is_si=True)
sievert = ComposedUnit([unit('J'), unit('kg')], [])
assert (Quantity(2, gray) + Quantity(2, sievert) == Quantity(4, gray))
assert (Quantity(2, sievert) + Quantity(2, gray) == Quantity(4, sievert))
assert Quantity(2, sievert) == Quantity(2, gray)
def define_computer_units():
"""Define some units for technology.
>>> define_units()
>>> unit('GiB')(200) > unit('GB')(200) # bastard marketers
True
"""
NamedComposedUnit('flop', unit('operation') / unit('s'), is_si=True)
scaled_unit('B', 'bit', 8, is_si=True) # byte
scaled_unit('KiB', 'B', 1024)
scaled_unit('MiB', 'KiB', 1024)
scaled_unit('GiB', 'MiB', 1024)
scaled_unit('TiB', 'GiB', 1024)
scaled_unit('PiB', 'TiB', 1024)
def define_computer_units():
"""Define some units for technology.
>>> define_units()
>>> unit('GiB')(200) > unit('GB')(200) # bastard marketers
True
"""
NamedComposedUnit('flop', unit('operation') / unit('s'), is_si=True)
scaled_unit('B', 'bit', 8, is_si=True) # byte
scaled_unit('KiB', 'B', 1024)
scaled_unit('MiB', 'KiB', 1024)
scaled_unit('GiB', 'MiB', 1024)
scaled_unit('TiB', 'GiB', 1024)
scaled_unit('PiB', 'TiB', 1024)
def define_computer_units():
"""Define some units for technology.
>>> define_units()
>>> unit('GiB')(200) > unit('GB')(200) # bastard marketers
True
"""
NamedComposedUnit("flop", unit("operation") / unit("s"), name="flop", is_si=True)
scaled_unit("B", "bit", 8.0, name="byte", is_si=True)
scaled_unit("KiB", "B", 1024.0, name="kilobyte")
scaled_unit("MiB", "KiB", 1024.0, name="megabyte")
scaled_unit("GiB", "MiB", 1024.0, name="gigabyte")
scaled_unit("TiB", "GiB", 1024.0, name="terabyte")
scaled_unit("PiB", "TiB", 1024.0, name="petabyte")
def define_time_units():
"""Define some common time units.
>>> from units.compatibility import within_epsilon
>>> define_base_si_units()
>>> define_time_units()
>>> hour = unit('h')
>>> hour.is_si()
False
>>> from units.quantity import Quantity
>>> half_hour = Quantity(0.5, hour)
>>> few_secs = Quantity(60.0, unit('s'))
>>> sum = half_hour + few_secs
>>> mins = unit('min')
>>> thirty_one = Quantity(31, mins)
>>> within_epsilon(thirty_one, sum)
True
"""
assert unit('s').is_si() # Ensure SI units already defined.
scaled_unit('min', 's', 60.)
scaled_unit('h', 'min', 60.)
scaled_unit('day', 'h', 24.)
scaled_unit('wk', 'day', 7.)
def define_time_units():
"""Define some common time units.
>>> from units.compatibility import within_epsilon
>>> define_base_si_units()
>>> define_time_units()
>>> hour = unit('h')
>>> hour.is_si()
False
>>> from units.quantity import Quantity
>>> half_hour = Quantity(0.5, hour)
>>> few_secs = Quantity(60.0, unit('s'))
>>> sum = half_hour + few_secs
>>> mins = unit('min')
>>> thirty_one = Quantity(31, mins)
>>> within_epsilon(thirty_one, sum)
True
"""
assert unit('s').is_si() # Ensure SI units already defined.
scaled_unit('min', 's', 60.)
scaled_unit('h', 'min', 60.)
scaled_unit('day', 'h', 24.)
scaled_unit('wk', 'day', 7.)
def test_composed_pickle():
"""Pickling is reversible on quantities backed by composed units"""
arbitrary = unit('arbitrary')
arbitrary_quantity = arbitrary(3.0) * arbitrary(3.0)
pickled = dumps(arbitrary_quantity)
unpickled = loads(pickled)
assert within_epsilon(arbitrary_quantity, unpickled)
def test_good_named_sub():
"""Two quantities with the same named complex units should sub together"""
furlong = unit('fur')
assert (Quantity(4, furlong) - Quantity(2, furlong) == Quantity(
2, furlong))
def strava_pick(ctx, limit, before, after):
"""Getting GPX file by picked activity and upload to Strava"""
new_time = ctx.obj['new_time']
client = ctx.obj['client']
define_units()
kilometers = unit('km')
activities = []
Activity = collections.namedtuple('Activity', [
'id', 'start_date_local', 'name', 'moving_time', 'distance',
'total_elevation_gain'
])
with Halo(text='Fetch activities from Strava', spinner='dots'):
fetched_activities = client.get_activities(before, after, limit)
for activity in fetched_activities:
activities.append(
Activity(id=activity.id,
start_date_local=activity.start_date_local,
name=activity.name,
moving_time=activity.moving_time,
distance=kilometers(activity.distance),
total_elevation_gain=activity.total_elevation_gain))
title = 'Please choose your activity'
option, index = pick(options=activities,
title=title,
options_map_func=get_label)
update_activity(client, option.id, new_time)
def define_time_units():
"""Define some common time units.
>>> from units.compatibility import within_epsilon
>>> define_base_si_units()
>>> define_time_units()
>>> hour = unit('h')
>>> hour.is_si()
False
>>> from units.quantity import Quantity
>>> half_hour = Quantity(0.5, hour)
>>> few_secs = Quantity(60.0, unit('s'))
>>> sum = half_hour + few_secs
>>> mins = unit('min')
>>> thirty_one = Quantity(31, mins)
>>> within_epsilon(thirty_one, sum)
True
"""
assert unit("s").is_si() # Ensure SI units already defined.
scaled_unit("min", "s", 60.0, name="minute")
scaled_unit("h", "min", 60.0, name="hour")
scaled_unit("day", "h", 24.0, symbal="d", name="day")
scaled_unit("wk", "day", 7.0, name="week")
def test_simple_multiply_quantity():
"""Simple multiplication of quantities"""
assert (Quantity(2, unit('m')) *
Quantity(2, unit('s')) ==
Quantity(4, unit('m') * unit('s')))
assert (Quantity(2, unit('s')) *
Quantity(2, unit('m')) ==
Quantity(4, unit('m') * unit('s')))
def test_simple_multiply_quantity():
"""Simple multiplication of quantities"""
assert (Quantity(2, unit('m')) *
Quantity(2, unit('s')) ==
Quantity(4, unit('m') * unit('s')))
assert (Quantity(2, unit('s')) *
Quantity(2, unit('m')) ==
Quantity(4, unit('m') * unit('s')))
def stats_localize(athlete, stats):
if athlete.measurement_preference != 'feet':
ath_units = {
'dist': unithelper.kilometers,
'time': unithelper.seconds,
'elevation': unithelper.meters,
'speed': unithelper.kph,
'pace': units.unit('min') / unithelper.kilometers,
}
else:
ath_units = {
'dist': unithelper.miles,
'time': unithelper.seconds,
'elevation': unithelper.feet,
'speed': unithelper.mph,
'pace': units.unit('min') / unithelper.miles
}
sdict = {}
sdict_total = {}
sdict_total['dist'] = str(ath_units['dist'](stats['total']['dist']))
sdict_total['elevation'] = str(ath_units['elevation'](
stats['total']['elevation']))
sdict_total['time'] = _seconds_to_timestr(stats['total']['time'])
sdict['total'] = sdict_total
sdict_per_activity = {}
sdict_per_activity['dist'] = str(ath_units['dist'](
stats['per_activity']['dist']))
sdict_per_activity['elevation'] = str(ath_units['elevation'](
stats['per_activity']['elevation']))
sdict_per_activity['time'] = _seconds_to_timestr(
stats['per_activity']['time'])
sdict['per_activity'] = sdict_per_activity
sdict_per_time = {}
sdict_per_time['speed'] = str(ath_units['speed'](
stats['per_time']['dist']))
sdict['per_time'] = sdict_per_time
sdict_per_dist = {}
sdict_per_dist['pace'] = str(ath_units['pace'](stats['per_dist']['time']))
sdict['per_dist'] = sdict_per_dist
return sdict
def calculate(name, value, givenUnit): conversionDict = eval(name + '_dict') results = [] for newUnit in conversionDict.values(): convertedValue = eval(newUnit)(unit(givenUnit)(value)) results.append(convertedValue) return results
def test_pow():
"""Exponentiation of quantities."""
REGISTRY.clear()
define_units()
m_unit = unit('m')
m_quant = Quantity(2, m_unit)
assert (m_quant ** 2 ==
m_quant * m_quant ==
pow(m_quant, 2))
cm_unit = unit('cm')
cm_quant = Quantity(2, cm_unit)
assert within_epsilon(cm_quant ** 2, cm_quant * cm_quant)
assert within_epsilon(cm_quant ** 2, pow(cm_quant, 2))
def test_good_named_sub():
"""Two quantities with the same named complex units should sub together"""
furlong = unit('fur')
assert (Quantity(4, furlong) -
Quantity(2, furlong) ==
Quantity(2, furlong))
def test_good_mixed_sub():
"""Two quantities with the same units should sub together
even if one is named"""
gray = unit('Gy')
sievert = unit('Sv').composed_unit
assert(Quantity(4, gray) -
Quantity(2, sievert) ==
Quantity(2, gray))
assert(Quantity(4, sievert) -
Quantity(2, gray) ==
Quantity(2, sievert))
assert(Quantity(2, sievert) == Quantity(2, gray))
def test_valid_named_to_composed():
"""Named units should convert to the composed equivalents."""
hertz = unit('Hz')
one_hz_in_per_second = hertz.composed_unit(Quantity(1, hertz))
assert one_hz_in_per_second == Quantity(1, hertz)
assert str(one_hz_in_per_second) == '1.00 1 / s'
def test_valid_named_to_composed():
"""Named units should convert to the composed equivalents."""
hertz = unit('Hz')
one_hz_in_per_second = hertz.composed_unit(Quantity(1, hertz))
assert one_hz_in_per_second == Quantity(1, hertz)
assert str(one_hz_in_per_second) == '1 1 / s'
def test_good_add_w_mults():
"""Two quantities with compatible units should add together
even when they have different multipliers"""
mile = ComposedUnit([unit('m')], [], multiplier=1609.344)
kilometre = ComposedUnit([unit('m')], [], multiplier=1000)
m_on_left = Quantity(1, mile) + Quantity(1, kilometre)
km_on_left = Quantity(1, kilometre) + Quantity(1, mile)
manual_sum = Quantity(2609.344, unit('m'))
assert within_epsilon(m_on_left, km_on_left)
assert within_epsilon(km_on_left, m_on_left)
assert within_epsilon(manual_sum, m_on_left)
assert within_epsilon(manual_sum, km_on_left)
assert within_epsilon(m_on_left, manual_sum)
assert within_epsilon(km_on_left, manual_sum)
def test_valid_composed_to_named():
"""Composed units should convert to named equivalents."""
hertz = unit('Hz')
per_second = hertz.composed_unit
one_hz = hertz(Quantity(1, per_second))
assert one_hz == Quantity(1, hertz)
assert str(one_hz) == '1.00 Hz'