def is_fraction(value,
minimum = None,
maximum = None,
**kwargs):
"""Indicate whether ``value`` is a :class:`Fraction <python:fractions.Fraction>`.
:param value: The value to evaluate.
:param minimum: If supplied, will make sure that ``value`` is greater than or
equal to this value.
:type minimum: numeric
:param maximum: If supplied, will make sure that ``value`` is less than or
equal to this value.
:type maximum: numeric
:returns: ``True`` if ``value`` is valid, ``False`` if it is not.
:rtype: :class:`bool <python:bool>`
:raises SyntaxError: if ``kwargs`` contains duplicate keyword parameters or duplicates
keyword parameters passed to the underlying validator
"""
try:
value = validators.fraction(value,
minimum = minimum,
maximum = maximum,
**kwargs)
except SyntaxError as error:
raise error
except Exception:
return False
return True
def is_fraction(value, minimum=None, maximum=None, **kwargs):
"""Indicate whether ``value`` is a :class:`Fraction <python:fractions.Fraction>`.
:param value: The value to evaluate.
:param minimum: If supplied, will make sure that ``value`` is greater than or
equal to this value.
:type minimum: numeric
:param maximum: If supplied, will make sure that ``value`` is less than or
equal to this value.
:type maximum: numeric
:returns: ``True`` if ``value`` is valid, ``False`` if it is not.
:rtype: :class:`bool <python:bool>`
"""
try:
value = validators.fraction(value,
minimum=minimum,
maximum=maximum,
**kwargs)
except Exception:
return False
return True
def from_fraction(value):
return validators.fraction(value, allow_empty=True)