def choose_plural_amount(amount, variants):
"""
Choose proper case depending on amount, for "N of M items" case
@param amount: amount of objects
@type amount: C{int} or C{long}
@param variants: variants (forms) of object in such form:
(1 object, 2 objects).
@type variants: 2-element C{sequence} of C{unicode}
or C{unicode} (two variants with delimeter ',')
@return: proper variant
@rtype: C{unicode}
@raise L{pytils.err.InputParameterError}: input parameters' check failed
(amount isn't C{int}, variants isn't C{sequence})
@raise ValueError: amount is negative
@raise ValueError: variants' length lesser than 2
"""
if isinstance(variants, unicode):
variants = utils.split_values(variants)
check_length(variants, 2)
check_positive(amount)
amount_str = str(amount)
if amount == 1 or (amount_str[-1::] == "1" and amount_str[-2::] != "11"):
variant = 0
else:
variant = 1
return variants[variant]
def choose_plural(amount, variants):
"""
Choose proper case depending on amount
@param amount: amount of objects
@type amount: C{integer types}
@param variants: variants (forms) of object in such form:
(1 object, 2 objects, 5 objects).
@type variants: 3-element C{sequence} of C{unicode}
or C{unicode} (three variants with delimeter ',')
@return: proper variant
@rtype: C{unicode}
@raise ValueError: variants' length lesser than 3
"""
if isinstance(variants, six.text_type):
variants = split_values(variants)
check_length(variants, 3)
amount = abs(amount)
if amount % 10 == 1 and amount % 100 != 11:
variant = 0
elif amount % 10 >= 2 and amount % 10 <= 4 and \
(amount % 100 < 10 or amount % 100 >= 20):
variant = 1
else:
variant = 2
return variants[variant]
def choose_plural(amount, variants):
"""
Choose proper case depending on amount
@param amount: amount of objects
@type amount: C{int} or C{long}
@param variants: variants (forms) of object in such form:
(1 object, 2 objects, 5 objects).
@type variants: 3-element C{sequence} of C{unicode}
or C{unicode} (three variants with delimeter ',')
@return: proper variant
@rtype: C{unicode}
@raise L{pytils.err.InputParameterError}: input parameters' check failed
(amount isn't C{int}, variants isn't C{sequence})
@raise ValueError: variants' length lesser than 3
"""
if isinstance(variants, unicode):
variants = utils.split_values(variants)
check_length(variants, 3)
amount = abs(amount)
if amount % 10 == 1 and amount % 100 != 11:
variant = 0
elif amount % 10 >= 2 and amount % 10 <= 4 and \
(amount % 100 < 10 or amount % 100 >= 20):
variant = 1
else:
variant = 2
return variants[variant]
def choose_plural(amount, variants):
"""
Choose proper case depending on amount
@param amount: amount of objects
@type amount: C{integer types}
@param variants: variants (forms) of object in such form:
(1 object, 2 objects, 5 objects).
@type variants: 3-element C{sequence} of C{unicode}
or C{unicode} (three variants with delimeter ',')
@return: proper variant
@rtype: C{unicode}
@raise ValueError: variants' length lesser than 3
"""
if isinstance(variants, six.text_type):
variants = split_values(variants)
check_length(variants, 3)
amount = abs(amount)
if amount % 10 == 1 and amount % 100 != 11:
variant = 0
elif amount % 10 >= 2 and amount % 10 <= 4 and \
(amount % 100 < 10 or amount % 100 >= 20):
variant = 1
else:
variant = 2
return variants[variant]
def choose_plural(amount, variants):
"""
Choose proper case depending on amount
@param amount: amount of objects
@type amount: C{int} or C{long}
@param variants: variants (forms) of object in such form:
(1 object, 2 objects, 5 objects).
@type variants: 3-element C{sequence} of C{unicode}
or C{unicode} (three variants with delimeter ',')
@return: proper variant
@rtype: C{unicode}
@raise L{pytils.err.InputParameterError}: input parameters' check failed
(amount isn't C{int}, variants isn't C{sequence})
@raise ValueError: variants' length lesser than 3
"""
if isinstance(variants, unicode):
variants = utils.split_values(variants)
check_length(variants, 3)
amount = abs(amount)
if amount % 10 == 1 and amount % 100 != 11:
variant = 0
elif amount % 10 >= 2 and amount % 10 <= 4 and \
(amount % 100 < 10 or amount % 100 >= 20):
variant = 1
else:
variant = 2
return variants[variant]
def get_plural_for_decimal(decimal, variants, absence=None):
if isinstance(variants, unicode):
variants = utils.split_values(variants)
utils.check_length(variants, 4)
if int(decimal) == decimal:
return u"%d %s   " % (decimal, choose_plural(int(decimal), variants[0:-1]))
else:
return u"%.2f %s" % (decimal, variants[-1])
