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Implemented [4035] (improvement in URL validation) in django.newforms

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@4037 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2006-11-07 02:32:33 +00:00
parent a4d86a7fb0
commit a888249770
1 changed files with 20 additions and 2 deletions
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22
django/newforms/fields.py
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@ -188,17 +188,35 @@ url_re = re.compile(
r'(?::\d+)?' # optional port
r'(?:/?|/\S+)$', re.IGNORECASE)
try:
from django.conf import settings
URL_VALIDATOR_USER_AGENT = settings.URL_VALIDATOR_USER_AGENT
except ImportError:
# It's OK if Django settings aren't configured.
URL_VALIDATOR_USER_AGENT = 'Django (http://www.djangoproject.com/)'
class URLField(RegexField):
def __init__(self, required=True, verify_exists=False, widget=None):
def __init__(self, required=True, verify_exists=False, widget=None,
validator_user_agent=URL_VALIDATOR_USER_AGENT):
RegexField.__init__(self, url_re, u'Enter a valid URL.', required, widget)
self.verify_exists = verify_exists
self.user_agent = validator_user_agent
def clean(self, value):
value = RegexField.clean(self, value)
if self.verify_exists:
import urllib2
from django.conf import settings
headers = {
"Accept": "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5",
"Accept-Language": "en-us,en;q=0.5",
"Accept-Charset": "ISO-8859-1,utf-8;q=0.7,*;q=0.7",
"Connection": "close",
"User-Agent": self.user_agent,
}
try:
u = urllib2.urlopen(value)
req = urllib2.Request(field_data, None, headers)
u = urllib2.urlopen(req)
except ValueError:
raise ValidationError(u'Enter a valid URL.')
except: # urllib2.URLError, httplib.InvalidURL, etc.