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Corrected domain max length for EmailValidator; refs #20631. 

Thanks MarkusH for the report.
This commit is contained in:
Tim Graham 2014-07-04 20:45:26 -04:00
parent 7fd55c3481
commit 1f8bb95cc2
2 changed files with 6 additions and 6 deletions
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6
django/core/validators.py
View File

@ -124,9 +124,9 @@ class EmailValidator(object):
r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-\011\013\014\016-\177])*"$)', # quoted-string
re.IGNORECASE)
domain_regex = re.compile(
# max length of the domain is 251: 254 (max email length) minus one
# period and two characters for the TLD.
r'(?:[A-Z0-9](?:[A-Z0-9-]{0,249}[A-Z0-9])?\.)+(?:[A-Z]{2,6}|[A-Z0-9-]{2,}(?<!-))$',
# max length of the domain is 249: 254 (max email length) minus one
# period, two characters for the TLD, @ sign, & one character before @.
r'(?:[A-Z0-9](?:[A-Z0-9-]{0,247}[A-Z0-9])?\.)+(?:[A-Z]{2,6}|[A-Z0-9-]{2,}(?<!-))$',
re.IGNORECASE)
literal_regex = re.compile(
# literal form, ipv4 or ipv6 address (SMTP 4.1.3)

6
tests/validators/tests.py
View File

@ -66,9 +66,9 @@ TEST_DATA = (
(validate_email, '"\\\011"@here.com', None),
(validate_email, '"\\\012"@here.com', ValidationError),
(validate_email, 'trailingdot@shouldfail.com.', ValidationError),
# Max length of domain name in email is 251 (see validator for calculation)
(validate_email, 'a@%s.com' % ('a' * 251), None),
(validate_email, 'a@%s.com' % ('a' * 252), ValidationError),
# Max length of domain name in email is 249 (see validator for calculation)
(validate_email, 'a@%s.us' % ('a' * 249), None),
(validate_email, 'a@%s.us' % ('a' * 250), ValidationError),
(validate_slug, 'slug-ok', None),
(validate_slug, 'longer-slug-still-ok', None),