/unladen_swallow/lib/google_appengine/lib/django/django/core/validators.py
Python | 573 lines | 527 code | 21 blank | 25 comment | 33 complexity | 232f2e78e1c0220385c34f52b308f3f7 MD5 | raw file
Possible License(s): BSD-3-Clause, Apache-2.0, GPL-2.0
- """
- A library of validators that return None and raise ValidationError when the
- provided data isn't valid.
- Validators may be callable classes, and they may have an 'always_test'
- attribute. If an 'always_test' attribute exists (regardless of value), the
- validator will *always* be run, regardless of whether its associated
- form field is required.
- """
- import urllib2
- from django.conf import settings
- from django.utils.translation import gettext, gettext_lazy, ngettext
- from django.utils.functional import Promise, lazy
- import re
- _datere = r'\d{4}-\d{1,2}-\d{1,2}'
- _timere = r'(?:[01]?[0-9]|2[0-3]):[0-5][0-9](?::[0-5][0-9])?'
- alnum_re = re.compile(r'^\w+$')
- alnumurl_re = re.compile(r'^[-\w/]+$')
- ansi_date_re = re.compile('^%s$' % _datere)
- ansi_time_re = re.compile('^%s$' % _timere)
- ansi_datetime_re = re.compile('^%s %s$' % (_datere, _timere))
- email_re = re.compile(
- r"(^[-!#$%&'*+/=?^_`{}|~0-9A-Z]+(\.[-!#$%&'*+/=?^_`{}|~0-9A-Z]+)*" # dot-atom
- r'|^"([\001-\010\013\014\016-\037!#-\[\]-\177]|\\[\001-011\013\014\016-\177])*"' # quoted-string
- r')@(?:[A-Z0-9-]+\.)+[A-Z]{2,6}$', re.IGNORECASE) # domain
- integer_re = re.compile(r'^-?\d+$')
- ip4_re = re.compile(r'^(25[0-5]|2[0-4]\d|[0-1]?\d?\d)(\.(25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}$')
- phone_re = re.compile(r'^[A-PR-Y0-9]{3}-[A-PR-Y0-9]{3}-[A-PR-Y0-9]{4}$', re.IGNORECASE)
- slug_re = re.compile(r'^[-\w]+$')
- url_re = re.compile(r'^https?://\S+$')
- lazy_inter = lazy(lambda a,b: str(a) % b, str)
- class ValidationError(Exception):
- def __init__(self, message):
- "ValidationError can be passed a string or a list."
- if isinstance(message, list):
- self.messages = message
- else:
- assert isinstance(message, (basestring, Promise)), ("%s should be a string" % repr(message))
- self.messages = [message]
- def __str__(self):
- # This is needed because, without a __str__(), printing an exception
- # instance would result in this:
- # AttributeError: ValidationError instance has no attribute 'args'
- # See http://www.python.org/doc/current/tut/node10.html#handling
- return str(self.messages)
- class CriticalValidationError(Exception):
- def __init__(self, message):
- "ValidationError can be passed a string or a list."
- if isinstance(message, list):
- self.messages = message
- else:
- assert isinstance(message, (basestring, Promise)), ("'%s' should be a string" % message)
- self.messages = [message]
- def __str__(self):
- return str(self.messages)
- def isAlphaNumeric(field_data, all_data):
- if not alnum_re.search(field_data):
- raise ValidationError, gettext("This value must contain only letters, numbers and underscores.")
- def isAlphaNumericURL(field_data, all_data):
- if not alnumurl_re.search(field_data):
- raise ValidationError, gettext("This value must contain only letters, numbers, underscores, dashes or slashes.")
- def isSlug(field_data, all_data):
- if not slug_re.search(field_data):
- raise ValidationError, gettext("This value must contain only letters, numbers, underscores or hyphens.")
- def isLowerCase(field_data, all_data):
- if field_data.lower() != field_data:
- raise ValidationError, gettext("Uppercase letters are not allowed here.")
- def isUpperCase(field_data, all_data):
- if field_data.upper() != field_data:
- raise ValidationError, gettext("Lowercase letters are not allowed here.")
- def isCommaSeparatedIntegerList(field_data, all_data):
- for supposed_int in field_data.split(','):
- try:
- int(supposed_int)
- except ValueError:
- raise ValidationError, gettext("Enter only digits separated by commas.")
- def isCommaSeparatedEmailList(field_data, all_data):
- """
- Checks that field_data is a string of e-mail addresses separated by commas.
- Blank field_data values will not throw a validation error, and whitespace
- is allowed around the commas.
- """
- for supposed_email in field_data.split(','):
- try:
- isValidEmail(supposed_email.strip(), '')
- except ValidationError:
- raise ValidationError, gettext("Enter valid e-mail addresses separated by commas.")
- def isValidIPAddress4(field_data, all_data):
- if not ip4_re.search(field_data):
- raise ValidationError, gettext("Please enter a valid IP address.")
- def isNotEmpty(field_data, all_data):
- if field_data.strip() == '':
- raise ValidationError, gettext("Empty values are not allowed here.")
- def isOnlyDigits(field_data, all_data):
- if not field_data.isdigit():
- raise ValidationError, gettext("Non-numeric characters aren't allowed here.")
- def isNotOnlyDigits(field_data, all_data):
- if field_data.isdigit():
- raise ValidationError, gettext("This value can't be comprised solely of digits.")
- def isInteger(field_data, all_data):
- # This differs from isOnlyDigits because this accepts the negative sign
- if not integer_re.search(field_data):
- raise ValidationError, gettext("Enter a whole number.")
- def isOnlyLetters(field_data, all_data):
- if not field_data.isalpha():
- raise ValidationError, gettext("Only alphabetical characters are allowed here.")
- def _isValidDate(date_string):
- """
- A helper function used by isValidANSIDate and isValidANSIDatetime to
- check if the date is valid. The date string is assumed to already be in
- YYYY-MM-DD format.
- """
- from datetime import date
- # Could use time.strptime here and catch errors, but datetime.date below
- # produces much friendlier error messages.
- year, month, day = map(int, date_string.split('-'))
- # This check is needed because strftime is used when saving the date
- # value to the database, and strftime requires that the year be >=1900.
- if year < 1900:
- raise ValidationError, gettext('Year must be 1900 or later.')
- try:
- date(year, month, day)
- except ValueError, e:
- msg = gettext('Invalid date: %s') % gettext(str(e))
- raise ValidationError, msg
- def isValidANSIDate(field_data, all_data):
- if not ansi_date_re.search(field_data):
- raise ValidationError, gettext('Enter a valid date in YYYY-MM-DD format.')
- _isValidDate(field_data)
- def isValidANSITime(field_data, all_data):
- if not ansi_time_re.search(field_data):
- raise ValidationError, gettext('Enter a valid time in HH:MM format.')
- def isValidANSIDatetime(field_data, all_data):
- if not ansi_datetime_re.search(field_data):
- raise ValidationError, gettext('Enter a valid date/time in YYYY-MM-DD HH:MM format.')
- _isValidDate(field_data.split()[0])
- def isValidEmail(field_data, all_data):
- if not email_re.search(field_data):
- raise ValidationError, gettext('Enter a valid e-mail address.')
- def isValidImage(field_data, all_data):
- """
- Checks that the file-upload field data contains a valid image (GIF, JPG,
- PNG, possibly others -- whatever the Python Imaging Library supports).
- """
- from PIL import Image
- from cStringIO import StringIO
- try:
- content = field_data['content']
- except TypeError:
- raise ValidationError, gettext("No file was submitted. Check the encoding type on the form.")
- try:
- Image.open(StringIO(content))
- except IOError: # Python Imaging Library doesn't recognize it as an image
- raise ValidationError, gettext("Upload a valid image. The file you uploaded was either not an image or a corrupted image.")
- def isValidImageURL(field_data, all_data):
- uc = URLMimeTypeCheck(('image/jpeg', 'image/gif', 'image/png'))
- try:
- uc(field_data, all_data)
- except URLMimeTypeCheck.InvalidContentType:
- raise ValidationError, gettext("The URL %s does not point to a valid image.") % field_data
- def isValidPhone(field_data, all_data):
- if not phone_re.search(field_data):
- raise ValidationError, gettext('Phone numbers must be in XXX-XXX-XXXX format. "%s" is invalid.') % field_data
- def isValidQuicktimeVideoURL(field_data, all_data):
- "Checks that the given URL is a video that can be played by QuickTime (qt, mpeg)"
- uc = URLMimeTypeCheck(('video/quicktime', 'video/mpeg',))
- try:
- uc(field_data, all_data)
- except URLMimeTypeCheck.InvalidContentType:
- raise ValidationError, gettext("The URL %s does not point to a valid QuickTime video.") % field_data
- def isValidURL(field_data, all_data):
- if not url_re.search(field_data):
- raise ValidationError, gettext("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, gettext("Valid HTML is required. Specific errors are:\n%s") % "\n".join(error_messages)
- def isWellFormedXml(field_data, all_data):
- from xml.dom.minidom import parseString
- try:
- parseString(field_data)
- except Exception, e: # Naked except because we're not sure what will be thrown
- raise ValidationError, gettext("Badly formed XML: %s") % str(e)
- def isWellFormedXmlFragment(field_data, all_data):
- isWellFormedXml('<root>%s</root>' % field_data, all_data)
- def isExistingURL(field_data, all_data):
- try:
- 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": settings.URL_VALIDATOR_USER_AGENT
- }
- req = urllib2.Request(field_data,None, headers)
- u = urllib2.urlopen(req)
- except ValueError:
- raise ValidationError, _("Invalid URL: %s") % field_data
- except urllib2.HTTPError, e:
- # 401s are valid; they just mean authorization is required.
- # 301 and 302 are redirects; they just mean look somewhere else.
- if str(e.code) not in ('401','301','302'):
- raise ValidationError, _("The URL %s is a broken link.") % field_data
- except: # urllib2.URLError, httplib.InvalidURL, etc.
- raise ValidationError, _("The URL %s is a broken link.") % field_data
-
- def isValidUSState(field_data, all_data):
- "Checks that the given string is a valid two-letter U.S. state abbreviation"
- states = ['AA', 'AE', 'AK', 'AL', 'AP', 'AR', 'AS', 'AZ', 'CA', 'CO', 'CT', 'DC', 'DE', 'FL', 'FM', 'GA', 'GU', 'HI', 'IA', 'ID', 'IL', 'IN', 'KS', 'KY', 'LA', 'MA', 'MD', 'ME', 'MH', 'MI', 'MN', 'MO', 'MP', 'MS', 'MT', 'NC', 'ND', 'NE', 'NH', 'NJ', 'NM', 'NV', 'NY', 'OH', 'OK', 'OR', 'PA', 'PR', 'PW', 'RI', 'SC', 'SD', 'TN', 'TX', 'UT', 'VA', 'VI', 'VT', 'WA', 'WI', 'WV', 'WY']
- if field_data.upper() not in states:
- raise ValidationError, gettext("Enter a valid U.S. state abbreviation.")
- def hasNoProfanities(field_data, all_data):
- """
- Checks that the given string has no profanities in it. This does a simple
- check for whether each profanity exists within the string, so 'fuck' will
- catch 'motherfucker' as well. Raises a ValidationError such as:
- Watch your mouth! The words "f--k" and "s--t" are not allowed here.
- """
- field_data = field_data.lower() # normalize
- words_seen = [w for w in settings.PROFANITIES_LIST if w in field_data]
- if words_seen:
- from django.utils.text import get_text_list
- plural = len(words_seen) > 1
- raise ValidationError, ngettext("Watch your mouth! The word %s is not allowed here.",
- "Watch your mouth! The words %s are not allowed here.", plural) % \
- get_text_list(['"%s%s%s"' % (i[0], '-'*(len(i)-2), i[-1]) for i in words_seen], 'and')
- class AlwaysMatchesOtherField(object):
- def __init__(self, other_field_name, error_message=None):
- self.other = other_field_name
- self.error_message = error_message or lazy_inter(gettext_lazy("This field must match the '%s' field."), self.other)
- self.always_test = True
- def __call__(self, field_data, all_data):
- if field_data != all_data[self.other]:
- raise ValidationError, self.error_message
- class ValidateIfOtherFieldEquals(object):
- def __init__(self, other_field, other_value, validator_list):
- self.other_field, self.other_value = other_field, other_value
- self.validator_list = validator_list
- self.always_test = True
- def __call__(self, field_data, all_data):
- if all_data.has_key(self.other_field) and all_data[self.other_field] == self.other_value:
- for v in self.validator_list:
- v(field_data, all_data)
- class RequiredIfOtherFieldNotGiven(object):
- def __init__(self, other_field_name, error_message=gettext_lazy("Please enter something for at least one field.")):
- self.other, self.error_message = other_field_name, error_message
- self.always_test = True
- def __call__(self, field_data, all_data):
- if not all_data.get(self.other, False) and not field_data:
- raise ValidationError, self.error_message
- class RequiredIfOtherFieldsGiven(object):
- def __init__(self, other_field_names, error_message=gettext_lazy("Please enter both fields or leave them both empty.")):
- self.other, self.error_message = other_field_names, error_message
- self.always_test = True
- def __call__(self, field_data, all_data):
- for field in self.other:
- if all_data.get(field, False) and not field_data:
- raise ValidationError, self.error_message
- class RequiredIfOtherFieldGiven(RequiredIfOtherFieldsGiven):
- "Like RequiredIfOtherFieldsGiven, but takes a single field name instead of a list."
- def __init__(self, other_field_name, error_message=gettext_lazy("Please enter both fields or leave them both empty.")):
- RequiredIfOtherFieldsGiven.__init__(self, [other_field_name], error_message)
- class RequiredIfOtherFieldEquals(object):
- def __init__(self, other_field, other_value, error_message=None, other_label=None):
- self.other_field = other_field
- self.other_value = other_value
- other_label = other_label or other_value
- self.error_message = error_message or lazy_inter(gettext_lazy("This field must be given if %(field)s is %(value)s"), {
- 'field': other_field, 'value': other_label})
- self.always_test = True
- def __call__(self, field_data, all_data):
- if all_data.has_key(self.other_field) and all_data[self.other_field] == self.other_value and not field_data:
- raise ValidationError(self.error_message)
- class RequiredIfOtherFieldDoesNotEqual(object):
- def __init__(self, other_field, other_value, other_label=None, error_message=None):
- self.other_field = other_field
- self.other_value = other_value
- other_label = other_label or other_value
- self.error_message = error_message or lazy_inter(gettext_lazy("This field must be given if %(field)s is not %(value)s"), {
- 'field': other_field, 'value': other_label})
- self.always_test = True
- def __call__(self, field_data, all_data):
- if all_data.has_key(self.other_field) and all_data[self.other_field] != self.other_value and not field_data:
- raise ValidationError(self.error_message)
- class IsLessThanOtherField(object):
- def __init__(self, other_field_name, error_message):
- self.other, self.error_message = other_field_name, error_message
- def __call__(self, field_data, all_data):
- if field_data > all_data[self.other]:
- raise ValidationError, self.error_message
- class UniqueAmongstFieldsWithPrefix(object):
- def __init__(self, field_name, prefix, error_message):
- self.field_name, self.prefix = field_name, prefix
- self.error_message = error_message or gettext_lazy("Duplicate values are not allowed.")
- def __call__(self, field_data, all_data):
- for field_name, value in all_data.items():
- if field_name != self.field_name and value == field_data:
- raise ValidationError, self.error_message
- class NumberIsInRange(object):
- """
- Validator that tests if a value is in a range (inclusive).
- """
- def __init__(self, lower=None, upper=None, error_message=''):
- self.lower, self.upper = lower, upper
- if not error_message:
- if lower and upper:
- self.error_message = gettext("This value must be between %(lower)s and %(upper)s.") % {'lower': lower, 'upper': upper}
- elif lower:
- self.error_message = gettext("This value must be at least %s.") % lower
- elif upper:
- self.error_message = gettext("This value must be no more than %s.") % upper
- else:
- self.error_message = error_message
- def __call__(self, field_data, all_data):
- # Try to make the value numeric. If this fails, we assume another
- # validator will catch the problem.
- try:
- val = float(field_data)
- except ValueError:
- return
-
- # Now validate
- if self.lower and self.upper and (val < self.lower or val > self.upper):
- raise ValidationError(self.error_message)
- elif self.lower and val < self.lower:
- raise ValidationError(self.error_message)
- elif self.upper and val > self.upper:
- raise ValidationError(self.error_message)
- class IsAPowerOf(object):
- """
- >>> v = IsAPowerOf(2)
- >>> v(4, None)
- >>> v(8, None)
- >>> v(16, None)
- >>> v(17, None)
- django.core.validators.ValidationError: ['This value must be a power of 2.']
- """
- def __init__(self, power_of):
- self.power_of = power_of
- def __call__(self, field_data, all_data):
- from math import log
- val = log(int(field_data)) / log(self.power_of)
- if val != int(val):
- raise ValidationError, gettext("This value must be a power of %s.") % self.power_of
- class IsValidFloat(object):
- def __init__(self, max_digits, decimal_places):
- self.max_digits, self.decimal_places = max_digits, decimal_places
- def __call__(self, field_data, all_data):
- data = str(field_data)
- try:
- float(data)
- except ValueError:
- raise ValidationError, gettext("Please enter a valid decimal number.")
- # Negative floats require more space to input.
- max_allowed_length = data.startswith('-') and (self.max_digits + 2) or (self.max_digits + 1)
- if len(data) > max_allowed_length:
- raise ValidationError, ngettext("Please enter a valid decimal number with at most %s total digit.",
- "Please enter a valid decimal number with at most %s total digits.", self.max_digits) % self.max_digits
- if (not '.' in data and len(data) > (max_allowed_length - self.decimal_places - 1)) or ('.' in data and len(data) > (max_allowed_length - (self.decimal_places - len(data.split('.')[1])))):
- raise ValidationError, ngettext( "Please enter a valid decimal number with a whole part of at most %s digit.",
- "Please enter a valid decimal number with a whole part of at most %s digits.", str(self.max_digits-self.decimal_places)) % str(self.max_digits-self.decimal_places)
- if '.' in data and len(data.split('.')[1]) > self.decimal_places:
- raise ValidationError, ngettext("Please enter a valid decimal number with at most %s decimal place.",
- "Please enter a valid decimal number with at most %s decimal places.", self.decimal_places) % self.decimal_places
- class HasAllowableSize(object):
- """
- Checks that the file-upload field data is a certain size. min_size and
- max_size are measurements in bytes.
- """
- def __init__(self, min_size=None, max_size=None, min_error_message=None, max_error_message=None):
- self.min_size, self.max_size = min_size, max_size
- self.min_error_message = min_error_message or lazy_inter(gettext_lazy("Make sure your uploaded file is at least %s bytes big."), min_size)
- self.max_error_message = max_error_message or lazy_inter(gettext_lazy("Make sure your uploaded file is at most %s bytes big."), max_size)
- def __call__(self, field_data, all_data):
- try:
- content = field_data['content']
- except TypeError:
- raise ValidationError, gettext_lazy("No file was submitted. Check the encoding type on the form.")
- if self.min_size is not None and len(content) < self.min_size:
- raise ValidationError, self.min_error_message
- if self.max_size is not None and len(content) > self.max_size:
- raise ValidationError, self.max_error_message
- class MatchesRegularExpression(object):
- """
- Checks that the field matches the given regular-expression. The regex
- should be in string format, not already compiled.
- """
- def __init__(self, regexp, error_message=gettext_lazy("The format for this field is wrong.")):
- self.regexp = re.compile(regexp)
- self.error_message = error_message
- def __call__(self, field_data, all_data):
- if not self.regexp.search(field_data):
- raise ValidationError(self.error_message)
- class AnyValidator(object):
- """
- This validator tries all given validators. If any one of them succeeds,
- validation passes. If none of them succeeds, the given message is thrown
- as a validation error. The message is rather unspecific, so it's best to
- specify one on instantiation.
- """
- def __init__(self, validator_list=None, error_message=gettext_lazy("This field is invalid.")):
- if validator_list is None: validator_list = []
- self.validator_list = validator_list
- self.error_message = error_message
- for v in validator_list:
- if hasattr(v, 'always_test'):
- self.always_test = True
- def __call__(self, field_data, all_data):
- for v in self.validator_list:
- try:
- v(field_data, all_data)
- return
- except ValidationError, e:
- pass
- raise ValidationError(self.error_message)
- class URLMimeTypeCheck(object):
- "Checks that the provided URL points to a document with a listed mime type"
- class CouldNotRetrieve(ValidationError):
- pass
- class InvalidContentType(ValidationError):
- pass
- def __init__(self, mime_type_list):
- self.mime_type_list = mime_type_list
- def __call__(self, field_data, all_data):
- import urllib2
- try:
- isValidURL(field_data, all_data)
- except ValidationError:
- raise
- try:
- info = urllib2.urlopen(field_data).info()
- except (urllib2.HTTPError, urllib2.URLError):
- raise URLMimeTypeCheck.CouldNotRetrieve, gettext("Could not retrieve anything from %s.") % field_data
- content_type = info['content-type']
- if content_type not in self.mime_type_list:
- raise URLMimeTypeCheck.InvalidContentType, gettext("The URL %(url)s returned the invalid Content-Type header '%(contenttype)s'.") % {
- 'url': field_data, 'contenttype': content_type}
- class RelaxNGCompact(object):
- "Validate against a Relax NG compact schema"
- def __init__(self, schema_path, additional_root_element=None):
- self.schema_path = schema_path
- self.additional_root_element = additional_root_element
- def __call__(self, field_data, all_data):
- import os, tempfile
- if self.additional_root_element:
- field_data = '<%(are)s>%(data)s\n</%(are)s>' % {
- 'are': self.additional_root_element,
- 'data': field_data
- }
- filename = tempfile.mktemp() # Insecure, but nothing else worked
- fp = open(filename, 'w')
- fp.write(field_data)
- fp.close()
- if not os.path.exists(settings.JING_PATH):
- raise Exception, "%s not found!" % settings.JING_PATH
- p = os.popen('%s -c %s %s' % (settings.JING_PATH, self.schema_path, filename))
- errors = [line.strip() for line in p.readlines()]
- p.close()
- os.unlink(filename)
- display_errors = []
- lines = field_data.split('\n')
- for error in errors:
- ignored, line, level, message = error.split(':', 3)
- # Scrape the Jing error messages to reword them more nicely.
- m = re.search(r'Expected "(.*?)" to terminate element starting on line (\d+)', message)
- if m:
- display_errors.append(_('Please close the unclosed %(tag)s tag from line %(line)s. (Line starts with "%(start)s".)') % \
- {'tag':m.group(1).replace('/', ''), 'line':m.group(2), 'start':lines[int(m.group(2)) - 1][:30]})
- continue
- if message.strip() == 'text not allowed here':
- display_errors.append(_('Some text starting on line %(line)s is not allowed in that context. (Line starts with "%(start)s".)') % \
- {'line':line, 'start':lines[int(line) - 1][:30]})
- continue
- m = re.search(r'\s*attribute "(.*?)" not allowed at this point; ignored', message)
- if m:
- display_errors.append(_('"%(attr)s" on line %(line)s is an invalid attribute. (Line starts with "%(start)s".)') % \
- {'attr':m.group(1), 'line':line, 'start':lines[int(line) - 1][:30]})
- continue
- m = re.search(r'\s*unknown element "(.*?)"', message)
- if m:
- display_errors.append(_('"<%(tag)s>" on line %(line)s is an invalid tag. (Line starts with "%(start)s".)') % \
- {'tag':m.group(1), 'line':line, 'start':lines[int(line) - 1][:30]})
- continue
- if message.strip() == 'required attributes missing':
- display_errors.append(_('A tag on line %(line)s is missing one or more required attributes. (Line starts with "%(start)s".)') % \
- {'line':line, 'start':lines[int(line) - 1][:30]})
- continue
- m = re.search(r'\s*bad value for attribute "(.*?)"', message)
- if m:
- display_errors.append(_('The "%(attr)s" attribute on line %(line)s has an invalid value. (Line starts with "%(start)s".)') % \
- {'attr':m.group(1), 'line':line, 'start':lines[int(line) - 1][:30]})
- continue
- # Failing all those checks, use the default error message.
- display_error = 'Line %s: %s [%s]' % (line, message, level.strip())
- display_errors.append(display_error)
- if len(display_errors) > 0:
- raise ValidationError, display_errors