def _load_pint_units() -> UnitRegistry:
"""Missing units found in project-haystack Added to the registry"""
unit_ureg = UnitRegistry(on_redefinition='ignore')
unit_ureg.load_definitions(
os.path.join(os.path.dirname(__file__), 'haystack_units.pint'))
unit_ureg.define(
UnitDefinition('%', 'percent', (), ScaleConverter(1 / 100.0)))
return unit_ureg
def __init__(self, name, symbol, aliases, ): self.reference = reference self.is_base = is_base if isinstance(converter, string_types): converter = ParserHelper.from_string(converter) self.reference = UnitsContainer(converter) converter = ScaleConverter(converter.scale) super(UnitDefinition, self).__init__(name, symbol, aliases, converter)
def test_converter_inplace(self):
for c in (ScaleConverter(20.0), OffsetConverter(20.0, 2)):
fun1 = lambda x, y: c.from_reference(c.to_reference(x, y), y)
fun2 = lambda x, y: c.to_reference(c.from_reference(x, y), y)
for fun, (inplace, comp) in itertools.product(
(fun1, fun2),
((True, self.assertIs), (False, self.assertIsNot))):
a = np.ones((1, 10))
ac = np.ones((1, 10))
r = fun(a, inplace)
np.testing.assert_allclose(r, ac)
comp(a, r)
def test_multiplicative_converter(self):
c = ScaleConverter(20.0)
self.assertTrue(c.is_multiplicative)
self.assertFalse(c.is_logarithmic)
self.assertEqual(c.from_reference(c.to_reference(100)), 100)
self.assertEqual(c.to_reference(c.from_reference(100)), 100)
from mongoengine import ValidationError
from mongoengine.base.datastructures import BaseDict
from itsdangerous import URLSafeTimedSerializer
from pint import UnitRegistry
from pint.unit import UnitDefinition
from pint.converters import ScaleConverter
from string import punctuation
from boltons.iterutils import remap, default_enter
ureg = UnitRegistry(preprocessors=[
lambda s: s.replace("%%", " permille "),
lambda s: s.replace("%", " percent "),
])
ureg.default_format = "P~"
ureg.define(UnitDefinition("percent", "%", (), ScaleConverter(0.01)))
ureg.define(UnitDefinition("permille", "%%", (), ScaleConverter(0.001)))
ureg.define(UnitDefinition("ppm", "ppm", (), ScaleConverter(1e-6)))
ureg.define(UnitDefinition("ppb", "ppb", (), ScaleConverter(1e-9)))
ureg.define("atom = 1")
ureg.define("bohr_magneton = e * hbar / (2 * m_e) = µᵇ = µ_B = mu_B")
ureg.define("electron_mass = 9.1093837015e-31 kg = mₑ = m_e")
Q_ = ureg.Quantity
delimiter, max_depth = ".", 3
max_dgts = 6
invalidChars = set(punctuation.replace("*", ""))
invalidChars.add(" ")
quantity_keys = {"display", "value", "unit"}
for mod in [
from math import isclose
import sys
import CoolProp
from pint import UnitRegistry, DimensionalityError
from pint.unit import UnitsContainer, UnitDefinition
from pint.converters import ScaleConverter
try: # pragma: no cover
from IPython.core.ultratb import AutoFormattedTB
except ImportError: # pragma: no cover
AutoFormattedTB = None
units = UnitRegistry(autoconvert_offset_to_baseunit=True)
Q_ = units.Quantity
units.define(UnitDefinition("percent", "pct", (), ScaleConverter(1.0 / 100.0)))
units.setup_matplotlib()
# Don't add the _render_traceback_ function to DimensionalityError if
# IPython isn't present. This function is only used by the IPython/ipykernel
# anyways, so it doesn't matter if it's missing if IPython isn't available.
if AutoFormattedTB is not None: # pragma: no cover
def render_traceback(self):
"""Render a minimized version of the DimensionalityError traceback.
The default Jupyter/IPython traceback includes a lot of
context from within pint that actually raises the
DimensionalityError. This context isn't really needed for
this particular error, since the problem is almost certainly in
the user code. This function removes the additional context.
def test_multiplicative_converter(self):
c = ScaleConverter(20.0)
assert c.is_multiplicative
assert not c.is_logarithmic
assert c.from_reference(c.to_reference(100)) == 100
assert c.to_reference(c.from_reference(100)) == 100
def constructCurrencyDefinition(rate):
parserHelper=ParserHelper.from_word(baseCurrencyISOCode) * rate.rate
unit=UnitDefinition(rate.iso, symbol=None, aliases=[rate.name.replace(" ", "_")], reference=UnitsContainer(parserHelper), is_base=False, converter=ScaleConverter(parserHelper))
#return unit
return rate.iso+" = "+str(rate.rate)+" "+baseCurrencyISOCode
def test_multiplicative_converter(self):
c = ScaleConverter(20.)
self.assertEqual(c.from_reference(c.to_reference(100)), 100)
self.assertEqual(c.to_reference(c.from_reference(100)), 100)
"""
from math import isclose
import sys
import CoolProp
from pint import UnitRegistry, DimensionalityError
from pint.unit import UnitsContainer, UnitDefinition
from pint.converters import ScaleConverter
try: # pragma: no cover
from IPython.core.ultratb import AutoFormattedTB
except ImportError: # pragma: no cover
AutoFormattedTB = None
units = UnitRegistry(autoconvert_offset_to_baseunit=True)
Q_ = units.Quantity
units.define(UnitDefinition('percent', 'pct', (), ScaleConverter(1.0 / 100.0)))
# Don't add the _render_traceback_ function to DimensionalityError if
# IPython isn't present. This function is only used by the IPython/ipykernel
# anyways, so it doesn't matter if it's missing if IPython isn't available.
if AutoFormattedTB is not None: # pragma: no cover
def render_traceback(self):
"""Render a minimized version of the DimensionalityError traceback
The default Jupyter/IPython traceback includes a lot of
context from within pint that actually raises the
DimensionalityError. This context isn't really needed for
this particular error, since the problem is almost certainly in
the user code. This function removes the additional context.
"""
def test_multiplicative_converter(self):
c = ScaleConverter(20.)
self.assertEqual(c.from_reference(c.to_reference(100)), 100)
self.assertEqual(c.to_reference(c.from_reference(100)), 100)
import numpy as np
from math import ceil
from dataclasses import dataclass, replace
from pint import UnitRegistry
from pint.definitions import UnitDefinition
from pint.converters import ScaleConverter
from typing import Callable, Tuple, Optional
ureg = UnitRegistry()
ureg.define(UnitDefinition('percent', None, (), ScaleConverter(1 / 100)))
ureg.load_definitions('units.txt')
Q = ureg.Quantity
@dataclass
class Mortgage(object):
loan_amount: Q = Q(500_000, 'dollars')
home_value: Q = Q(600_000, 'dollars')
duration: Q = Q(10, 'years')
base_rate: Q = Q(4, 'percent') / Q(1, 'year')
base_closing_costs: Q = Q(5_000, 'dollars')
#: The cost as a ratio of the loan amount for each point.
#: See the CFPB for more detail:
#:
#: https://www.consumerfinance.gov/ask-cfpb/what-are-discount-points-and-lender-credits-and-how-do-they-work-en-136/
#:
cost_per_point: Q = Q(1, 'percent / dp')
if globals().get('U_', None) is None:
# filename = resource_filename(PKG, 'spectrochempy.txt')
U_ = UnitRegistry(on_redefinition='ignore') # filename)
U_.define('__wrapped__ = 1') # <- hack to avoid an error with pytest (doctest activated)
U_.define('@alias point = count')
U_.define('transmittance = 1. / 100.')
U_.define('absolute_transmittance = 1.')
U_.define('absorbance = 1. = a.u.')
U_.define('Kubelka_Munk = 1. = K.M.')
U_.define('ppm = 1. = ppm')
U_.define(UnitDefinition('percent', 'pct', (), ScaleConverter(1 / 100.0)))
U_.define(UnitDefinition('weight_percent', 'wt_pct', (), ScaleConverter(1 / 100.0)))
U_.default_format = '' # .2fK'
Q_ = U_.Quantity
Q_.default_format = '' # .2fK'
set_application_registry(U_)
del UnitRegistry # to avoid importing it
else:
warn('Unit registry was already set up. Bypassed the new loading')
U_.enable_contexts('spectroscopy', 'boltzmann', 'chemistry')