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Added django.core.validators.isValidHTML 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@663 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2005-09-22 14:51:57 +00:00
parent f5a78ae009
commit 17418cd982
1 changed files with 14 additions and 0 deletions
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14
django/core/validators.py
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@ -157,6 +157,20 @@ def isValidURL(field_data, all_data):
if not url_re.search(field_data): if not url_re.search(field_data):
raise ValidationError, "A valid URL is required." raise ValidationError, "A valid URL is required."
def isValidHTML(field_data, all_data):
import urllib, urllib2
try:
u = urllib2.urlopen('http://validator.w3.org/check', urllib.urlencode({'fragment': field_data, 'output': 'xml'}))
except:
# Validator or Internet connection is unavailable. Fail silently.
return
html_is_valid = (u.headers.get('x-w3c-validator-status', 'Invalid') == 'Valid')
if html_is_valid:
return
from xml.dom.minidom import parseString
error_messages = [e.firstChild.wholeText for e in parseString(u.read()).getElementsByTagName('messages')[0].getElementsByTagName('msg')]
raise ValidationError, "Valid HTML is required. Specific errors are:\n%s" % "\n".join(error_messages)
def isWellFormedXml(field_data, all_data): def isWellFormedXml(field_data, all_data):
from xml.dom.minidom import parseString from xml.dom.minidom import parseString
try: try: