def test_core_numbers():
for c in (Catalan, Catalan(), ComplexInfinity, ComplexInfinity(),
EulerGamma, EulerGamma(), Exp1, Exp1(), GoldenRatio, GoldenRatio(),
Half, Half(), ImaginaryUnit, ImaginaryUnit(), Infinity, Infinity(),
Integer, Integer(2), NaN, NaN(), NegativeInfinity,
NegativeInfinity(), NegativeOne, NegativeOne(), Number, Number(15),
NumberSymbol, NumberSymbol(), One, One(), Pi, Pi(), Rational,
Rational(1,2), Real, Real("1.2"), Zero, Zero()):
check(c)
def _maybe_add_plusses(as_text):
"""
>>> Kalkylation._maybe_add_plusses("1 2.0\\n3")
'1+2.0+3'
>>> Kalkylation._maybe_add_plusses("1 + 2\\n3")
'1 + 2 3'
"""
parts = as_text.split()
try:
[Number(part) for part in parts]
as_text = "+".join(parts)
except SympifyError:
as_text = ' '.join(parts)
return as_text
def map_answer_expr(questions, question_id, answer):
"""
Map an answer value to a sympy expression.
Depending on the the question class we return an appropriate sympy
expression. This will be a Number, True, False, or a symbol.
If the answer was empty, we do not return a sympy expression,
but None, or if the question_type is 'Number', then 0.
"""
question_type = get_question_type(question_id, questions)
if question_type == 'Boolean':
return True if answer == 'Y' else False
if question_type == 'Number' and answer == '':
return 0
try:
number = float(answer)
return Number(number)
except: # text answer
if answer == '' or answer is None:
return None
else:
return sympy.symbols(str(answer))
def test_sympy__core__numbers__Number():
from sympy.core.numbers import Number
assert _test_args(Number(1, 7))