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Fixed #26107 -- Added option to int_list_validator() to allow negative integers.

This commit is contained in:
Akshesh 2016-02-16 03:40:00 +05:30 committed by Tim Graham
parent b954ad0640
commit d58aaa24e3
4 changed files with 22 additions and 5 deletions
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7
django/core/validators.py
View File

@ -283,8 +283,11 @@ def ip_address_validators(protocol, unpack_ipv4):
% (protocol, list(ip_address_validator_map)))
def int_list_validator(sep=',', message=None, code='invalid'):
regexp = _lazy_re_compile('^\d+(?:%s\d+)*\Z' % re.escape(sep))
def int_list_validator(sep=',', message=None, code='invalid', allow_negative=False):
regexp = _lazy_re_compile('^%(neg)s\d+(?:%(sep)s%(neg)s\d+)*\Z' % {
'neg': '(-)?' if allow_negative else '',
'sep': re.escape(sep),
})
return RegexValidator(regexp, message=message, code=code)

11
docs/ref/validators.txt
View File

@ -226,12 +226,17 @@ to, or in lieu of custom ``field.clean()`` methods.
``int_list_validator``
----------------------
.. function:: int_list_validator(sep=',', message=None, code='invalid')
.. function:: int_list_validator(sep=',', message=None, code='invalid', allow_negative=False)
.. versionadded:: 1.9
Returns a :class:`RegexValidator` instance that ensures a string
consists of integers separated by ``sep``.
Returns a :class:`RegexValidator` instance that ensures a string consists
of integers separated by ``sep``. It allows negative integers when
``allow_negative`` is ``True``.
.. versionchanged:: 1.10
The ``allow_negative`` parameter was added.
``MaxValueValidator``
---------------------

4
docs/releases/1.10.txt
View File

@ -355,6 +355,10 @@ Validators
domain name labels to 63 characters and the total length of domain
names to 253 characters per :rfc:`1034`.
* :func:`~django.core.validators.int_list_validator` now accepts an optional
``allow_negative`` boolean parameter, defaulting to ``False``, to allow
negative integers.
Backwards incompatible changes in 1.10
======================================

5
tests/validators/tests.py
View File

@ -172,6 +172,11 @@ TEST_DATA = [
(validate_comma_separated_integer_list, '1,,2', ValidationError),
(int_list_validator(sep='.'), '1.2.3', None),
(int_list_validator(sep='.', allow_negative=True), '1.2.3', None),
(int_list_validator(allow_negative=True), '-1,-2,3', None),
(int_list_validator(allow_negative=True), '1,-2,-12', None),
(int_list_validator(), '-1,2,3', ValidationError),
(int_list_validator(sep='.'), '1,2,3', ValidationError),
(int_list_validator(sep='.'), '1.2.3\n', ValidationError),