class Redirect(models.Model):
site = models.ForeignKey(Site)
old_path = models.CharField(
_('redirect from'),
max_length=200,
db_index=True,
help_text=
_("This should be an absolute path, excluding the domain name. Example: '/events/search/'."
))
new_path = models.CharField(
_('redirect to'),
max_length=200,
blank=True,
help_text=
_("This can be either an absolute path (as above) or a full URL starting with 'http://'."
))
class Meta:
verbose_name = _('redirect')
verbose_name_plural = _('redirects')
db_table = 'django_redirect'
unique_together = (('site', 'old_path'), )
ordering = ('old_path', )
def __unicode__(self):
return "%s ---> %s" % (self.old_path, self.new_path)
class PERUCField(RegexField):
"""
This field validates a RUC (Registro Unico de Contribuyentes). A RUC is of
the form XXXXXXXXXXX.
"""
default_error_messages = {
'invalid': _("This field requires only numbers."),
'max_digits': _("This field requires 11 digits."),
}
def __init__(self, max_length=11, min_length=11, *args, **kwargs):
super(PERUCField, self).__init__(max_length, min_length, *args,
**kwargs)
def clean(self, value):
"""
Value must be an 11-digit number.
"""
value = super(PERUCField, self).clean(value)
if value in EMPTY_VALUES:
return u''
if not value.isdigit():
raise ValidationError(self.error_messages['invalid'])
if len(value) != 11:
raise ValidationError(self.error_messages['max_digits'])
return value
def unique_error_message(self, model_class, unique_check):
opts = model_class._meta
model_name = capfirst(opts.verbose_name)
# A unique field
if len(unique_check) == 1:
field_name = unique_check[0]
field = opts.get_field(field_name)
field_label = capfirst(field.verbose_name)
# Insert the error into the error dict, very sneaky
return field.error_messages['unique'] % {
'model_name': unicode(model_name),
'field_label': unicode(field_label)
}
# unique_together
else:
field_labels = map(
lambda f: capfirst(opts.get_field(f).verbose_name),
unique_check)
field_labels = get_text_list(field_labels, _('and'))
return _(
u"%(model_name)s with this %(field_label)s already exists."
) % {
'model_name': unicode(model_name),
'field_label': unicode(field_labels)
}
class IntegerField(Field):
default_error_messages = {
'invalid': _(u'Enter a whole number.'),
'max_value': _(u'Ensure this value is less than or equal to %(limit_value)s.'),
'min_value': _(u'Ensure this value is greater than or equal to %(limit_value)s.'),
}
def __init__(self, max_value=None, min_value=None, *args, **kwargs):
self.max_value, self.min_value = max_value, min_value
super(IntegerField, self).__init__(*args, **kwargs)
if max_value is not None:
self.validators.append(validators.MaxValueValidator(max_value))
if min_value is not None:
self.validators.append(validators.MinValueValidator(min_value))
def to_python(self, value):
"""
Validates that int() can be called on the input. Returns the result
of int(). Returns None for empty values.
"""
value = super(IntegerField, self).to_python(value)
if value in validators.EMPTY_VALUES:
return None
if self.localize:
value = formats.sanitize_separators(value)
try:
value = int(str(value))
except (ValueError, TypeError):
raise ValidationError(self.error_messages['invalid'])
return value
class Group(models.Model):
"""
Groups are a generic way of categorizing users to apply permissions, or
some other label, to those users. A user can belong to any number of
groups.
A user in a group automatically has all the permissions granted to that
group. For example, if the group Site editors has the permission
can_edit_home_page, any user in that group will have that permission.
Beyond permissions, groups are a convenient way to categorize users to
apply some label, or extended functionality, to them. For example, you
could create a group 'Special users', and you could write code that would
do special things to those users -- such as giving them access to a
members-only portion of your site, or sending them members-only email
messages.
"""
name = models.CharField(_('name'), max_length=80, unique=True)
permissions = models.ManyToManyField(Permission,
verbose_name=_('permissions'),
blank=True)
objects = GroupManager()
class Meta:
verbose_name = _('group')
verbose_name_plural = _('groups')
def __unicode__(self):
return self.name
def natural_key(self):
return (self.name, )
class Site(models.Model):
domain = models.CharField(_('domain name'), max_length=100)
name = models.CharField(_('display name'), max_length=50)
objects = SiteManager()
class Meta:
db_table = 'django_site'
verbose_name = _('site')
verbose_name_plural = _('sites')
ordering = ('domain', )
def __unicode__(self):
return self.domain
def save(self, *args, **kwargs):
super(Site, self).save(*args, **kwargs)
# Cached information will likely be incorrect now.
if self.id in SITE_CACHE:
del SITE_CACHE[self.id]
def delete(self):
pk = self.pk
super(Site, self).delete()
try:
del SITE_CACHE[pk]
except KeyError:
pass
class Session(models.Model):
"""
Django provides full support for anonymous sessions. The session
framework lets you store and retrieve arbitrary data on a
per-site-visitor basis. It stores data on the server side and
abstracts the sending and receiving of cookies. Cookies contain a
session ID -- not the data itself.
The Django sessions framework is entirely cookie-based. It does
not fall back to putting session IDs in URLs. This is an intentional
design decision. Not only does that behavior make URLs ugly, it makes
your site vulnerable to session-ID theft via the "Referer" header.
For complete documentation on using Sessions in your code, consult
the sessions documentation that is shipped with Django (also available
on the Django Web site).
"""
session_key = models.CharField(_('session key'), max_length=40,
primary_key=True)
session_data = models.TextField(_('session data'))
expire_date = models.DateTimeField(_('expire date'), db_index=True)
objects = SessionManager()
class Meta:
db_table = 'django_session'
verbose_name = _('session')
verbose_name_plural = _('sessions')
def get_decoded(self):
return SessionStore().decode(self.session_data)
class SetPasswordForm(forms.Form):
"""
A form that lets a user change set his/her password without entering the
old password
"""
error_messages = {
'password_mismatch': _("The two password fields didn't match."),
}
new_password1 = forms.CharField(label=_("New password"),
widget=forms.PasswordInput)
new_password2 = forms.CharField(label=_("New password confirmation"),
widget=forms.PasswordInput)
def __init__(self, user, *args, **kwargs):
self.user = user
super(SetPasswordForm, self).__init__(*args, **kwargs)
def clean_new_password2(self):
password1 = self.cleaned_data.get('new_password1')
password2 = self.cleaned_data.get('new_password2')
if password1 and password2:
if password1 != password2:
raise forms.ValidationError(
self.error_messages['password_mismatch'])
return password2
def save(self, commit=True):
self.user.set_password(self.cleaned_data['new_password1'])
if commit:
self.user.save()
return self.user
class IntegerField(Field):
empty_strings_allowed = False
default_error_messages = {
'invalid': _("'%s' value must be an integer."),
}
description = _("Integer")
def get_prep_value(self, value):
if value is None:
return None
return int(value)
def get_prep_lookup(self, lookup_type, value):
if ((lookup_type == 'gte' or lookup_type == 'lt')
and isinstance(value, float)):
value = math.ceil(value)
return super(IntegerField, self).get_prep_lookup(lookup_type, value)
def get_internal_type(self):
return "IntegerField"
def to_python(self, value):
if value is None:
return value
try:
return int(value)
except (TypeError, ValueError):
msg = self.error_messages['invalid'] % str(value)
raise exceptions.ValidationError(msg)
def formfield(self, **kwargs):
defaults = {'form_class': forms.IntegerField}
defaults.update(kwargs)
return super(IntegerField, self).formfield(**defaults)
class BaseCommentAbstractModel(models.Model):
"""
An abstract base class that any custom comment models probably should
subclass.
"""
# Content-object field
content_type = models.ForeignKey(
ContentType,
verbose_name=_('content type'),
related_name="content_type_set_for_%(class)s")
object_pk = models.TextField(_('object ID'))
content_object = generic.GenericForeignKey(ct_field="content_type",
fk_field="object_pk")
# Metadata about the comment
site = models.ForeignKey(Site)
class Meta:
abstract = True
def get_content_object_url(self):
"""
Get a URL suitable for redirecting to the content object.
"""
return urlresolvers.reverse("comments-url-redirect",
args=(self.content_type_id,
self.object_pk))
class PEDNIField(CharField):
"""
A field that validates `Documento Nacional de IdentidadŽ (DNI) numbers.
"""
default_error_messages = {
'invalid': _("This field requires only numbers."),
'max_digits': _("This field requires 8 digits."),
}
def __init__(self, max_length=8, min_length=8, *args, **kwargs):
super(PEDNIField, self).__init__(max_length, min_length, *args,
**kwargs)
def clean(self, value):
"""
Value must be a string in the XXXXXXXX formats.
"""
value = super(PEDNIField, self).clean(value)
if value in EMPTY_VALUES:
return u''
if not value.isdigit():
raise ValidationError(self.error_messages['invalid'])
if len(value) != 8:
raise ValidationError(self.error_messages['max_digits'])
return value
def sitemap(request, sitemaps, section=None):
"""
This view generates a sitemap with additional geographic
elements defined by Google.
"""
maps, urls = [], []
if section is not None:
if section not in sitemaps:
raise Http404(_(u"No sitemap available for section: %r") % section)
maps.append(sitemaps[section])
else:
maps = sitemaps.values()
page = request.GET.get("p", 1)
current_site = get_current_site(request)
for site in maps:
try:
if callable(site):
urls.extend(site().get_urls(page=page, site=current_site))
else:
urls.extend(site.get_urls(page=page, site=current_site))
except EmptyPage:
raise Http404(_(u"Page %s empty") % page)
except PageNotAnInteger:
raise Http404(_(u"No page '%s'") % page)
xml = smart_str(
loader.render_to_string('gis/sitemaps/geo_sitemap.xml',
{'urlset': urls}))
return HttpResponse(xml, content_type='application/xml')
class FloatField(Field):
empty_strings_allowed = False
default_error_messages = {
'invalid': _("'%s' value must be a float."),
}
description = _("Floating point number")
def get_prep_value(self, value):
if value is None:
return None
return float(value)
def get_internal_type(self):
return "FloatField"
def to_python(self, value):
if value is None:
return value
try:
return float(value)
except (TypeError, ValueError):
msg = self.error_messages['invalid'] % str(value)
raise exceptions.ValidationError(msg)
def formfield(self, **kwargs):
defaults = {'form_class': forms.FloatField}
defaults.update(kwargs)
return super(FloatField, self).formfield(**defaults)
def template_filter_index(request):
if not utils.docutils_is_available:
return missing_docutils_page(request)
load_all_installed_template_libraries()
filters = []
app_libs = template.libraries.items()
builtin_libs = [(None, lib) for lib in template.builtins]
for module_name, library in builtin_libs + app_libs:
for filter_name, filter_func in library.filters.items():
title, body, metadata = utils.parse_docstring(filter_func.__doc__)
if title:
title = utils.parse_rst(title, 'filter', _('filter:') + filter_name)
if body:
body = utils.parse_rst(body, 'filter', _('filter:') + filter_name)
for key in metadata:
metadata[key] = utils.parse_rst(metadata[key], 'filter', _('filter:') + filter_name)
if library in template.builtins:
tag_library = None
else:
tag_library = module_name.split('.')[-1]
filters.append({
'name': filter_name,
'title': title,
'body': body,
'meta': metadata,
'library': tag_library,
})
return render_to_response('admin_doc/template_filter_index.html', {
'root_path': urlresolvers.reverse('admin:index'),
'filters': filters
}, context_instance=RequestContext(request))
class AdminPasswordChangeForm(forms.Form):
"""
A form used to change the password of a user in the admin interface.
"""
error_messages = {
'password_mismatch': _("The two password fields didn't match."),
}
password1 = forms.CharField(label=_("Password"),
widget=forms.PasswordInput)
password2 = forms.CharField(label=_("Password (again)"),
widget=forms.PasswordInput)
def __init__(self, user, *args, **kwargs):
self.user = user
super(AdminPasswordChangeForm, self).__init__(*args, **kwargs)
def clean_password2(self):
password1 = self.cleaned_data.get('password1')
password2 = self.cleaned_data.get('password2')
if password1 and password2:
if password1 != password2:
raise forms.ValidationError(
self.error_messages['password_mismatch'])
return password2
def save(self, commit=True):
"""
Saves the new password.
"""
self.user.set_password(self.cleaned_data["password1"])
if commit:
self.user.save()
return self.user
class ModelMultipleChoiceField(ModelChoiceField):
"""A MultipleChoiceField whose choices are a model QuerySet."""
widget = SelectMultiple
hidden_widget = MultipleHiddenInput
default_error_messages = {
'list':
_(u'Enter a list of values.'),
'invalid_choice':
_(u'Select a valid choice. %s is not one of the'
u' available choices.'),
'invalid_pk_value':
_(u'"%s" is not a valid value for a primary key.')
}
def __init__(self,
queryset,
cache_choices=False,
required=True,
widget=None,
label=None,
initial=None,
help_text=None,
*args,
**kwargs):
super(ModelMultipleChoiceField,
self).__init__(queryset, None, cache_choices, required, widget,
label, initial, help_text, *args, **kwargs)
def clean(self, value):
if self.required and not value:
raise ValidationError(self.error_messages['required'])
elif not self.required and not value:
return []
if not isinstance(value, (list, tuple)):
raise ValidationError(self.error_messages['list'])
key = self.to_field_name or 'pk'
for pk in value:
try:
self.queryset.filter(**{key: pk})
except ValueError:
raise ValidationError(self.error_messages['invalid_pk_value'] %
pk)
qs = self.queryset.filter(**{'%s__in' % key: value})
pks = set([force_unicode(getattr(o, key)) for o in qs])
for val in value:
if force_unicode(val) not in pks:
raise ValidationError(self.error_messages['invalid_choice'] %
val)
# Since this overrides the inherited ModelChoiceField.clean
# we run custom validators here
self.run_validators(value)
return qs
def prepare_value(self, value):
if hasattr(value, '__iter__'):
return [
super(ModelMultipleChoiceField, self).prepare_value(v)
for v in value
]
return super(ModelMultipleChoiceField, self).prepare_value(value)
class SplitDateTimeField(MultiValueField):
widget = SplitDateTimeWidget
hidden_widget = SplitHiddenDateTimeWidget
default_error_messages = {
'invalid_date': _(u'Enter a valid date.'),
'invalid_time': _(u'Enter a valid time.'),
}
def __init__(self, input_date_formats=None, input_time_formats=None, *args, **kwargs):
errors = self.default_error_messages.copy()
if 'error_messages' in kwargs:
errors.update(kwargs['error_messages'])
localize = kwargs.get('localize', False)
fields = (
DateField(input_formats=input_date_formats,
error_messages={'invalid': errors['invalid_date']},
localize=localize),
TimeField(input_formats=input_time_formats,
error_messages={'invalid': errors['invalid_time']},
localize=localize),
)
super(SplitDateTimeField, self).__init__(fields, *args, **kwargs)
def compress(self, data_list):
if data_list:
# Raise a validation error if time or date is empty
# (possible if SplitDateTimeField has required=False).
if data_list[0] in validators.EMPTY_VALUES:
raise ValidationError(self.error_messages['invalid_date'])
if data_list[1] in validators.EMPTY_VALUES:
raise ValidationError(self.error_messages['invalid_time'])
result = datetime.datetime.combine(*data_list)
return from_current_timezone(result)
return None
class MultipleChoiceField(ChoiceField):
hidden_widget = MultipleHiddenInput
widget = SelectMultiple
default_error_messages = {
'invalid_choice': _(u'Select a valid choice. %(value)s is not one of the available choices.'),
'invalid_list': _(u'Enter a list of values.'),
}
def to_python(self, value):
if not value:
return []
elif not isinstance(value, (list, tuple)):
raise ValidationError(self.error_messages['invalid_list'])
return [smart_unicode(val) for val in value]
def validate(self, value):
"""
Validates that the input is a list or tuple.
"""
if self.required and not value:
raise ValidationError(self.error_messages['required'])
# Validate that each value in the value list is in self.choices.
for val in value:
if not self.valid_value(val):
raise ValidationError(self.error_messages['invalid_choice'] % {'value': val})
class DecimalField(Field):
empty_strings_allowed = False
default_error_messages = {
'invalid': _(u"'%s' value must be a decimal number."),
}
description = _("Decimal number")
def __init__(self, verbose_name=None, name=None, max_digits=None,
decimal_places=None, **kwargs):
self.max_digits, self.decimal_places = max_digits, decimal_places
Field.__init__(self, verbose_name, name, **kwargs)
def get_internal_type(self):
return "DecimalField"
def to_python(self, value):
if value is None:
return value
try:
return decimal.Decimal(value)
except decimal.InvalidOperation:
msg = self.error_messages['invalid'] % str(value)
raise exceptions.ValidationError(msg)
def _format(self, value):
if isinstance(value, basestring) or value is None:
return value
else:
return self.format_number(value)
def format_number(self, value):
"""
Formats a number into a string with the requisite number of digits and
decimal places.
"""
# Method moved to my_django.db.backends.util.
#
# It is preserved because it is used by the oracle backend
# (my_django.db.backends.oracle.query), and also for
# backwards-compatibility with any external code which may have used
# this method.
from my_django.db.backends import util
return util.format_number(value, self.max_digits, self.decimal_places)
def get_db_prep_save(self, value, connection):
return connection.ops.value_to_db_decimal(self.to_python(value),
self.max_digits, self.decimal_places)
def get_prep_value(self, value):
return self.to_python(value)
def formfield(self, **kwargs):
defaults = {
'max_digits': self.max_digits,
'decimal_places': self.decimal_places,
'form_class': forms.DecimalField,
}
defaults.update(kwargs)
return super(DecimalField, self).formfield(**defaults)
class FileField(Field):
widget = ClearableFileInput
default_error_messages = {
'invalid': _(u"No file was submitted. Check the encoding type on the form."),
'missing': _(u"No file was submitted."),
'empty': _(u"The submitted file is empty."),
'max_length': _(u'Ensure this filename has at most %(max)d characters (it has %(length)d).'),
'contradiction': _(u'Please either submit a file or check the clear checkbox, not both.')
}
def __init__(self, *args, **kwargs):
self.max_length = kwargs.pop('max_length', None)
self.allow_empty_file = kwargs.pop('allow_empty_file', False)
super(FileField, self).__init__(*args, **kwargs)
def to_python(self, data):
if data in validators.EMPTY_VALUES:
return None
# UploadedFile objects should have name and size attributes.
try:
file_name = data.name
file_size = data.size
except AttributeError:
raise ValidationError(self.error_messages['invalid'])
if self.max_length is not None and len(file_name) > self.max_length:
error_values = {'max': self.max_length, 'length': len(file_name)}
raise ValidationError(self.error_messages['max_length'] % error_values)
if not file_name:
raise ValidationError(self.error_messages['invalid'])
if not self.allow_empty_file and not file_size:
raise ValidationError(self.error_messages['empty'])
return data
def clean(self, data, initial=None):
# If the widget got contradictory inputs, we raise a validation error
if data is FILE_INPUT_CONTRADICTION:
raise ValidationError(self.error_messages['contradiction'])
# False means the field value should be cleared; further validation is
# not needed.
if data is False:
if not self.required:
return False
# If the field is required, clearing is not possible (the widget
# shouldn't return False data in that case anyway). False is not
# in validators.EMPTY_VALUES; if a False value makes it this far
# it should be validated from here on out as None (so it will be
# caught by the required check).
data = None
if not data and initial:
return initial
return super(FileField, self).clean(data)
def bound_data(self, data, initial):
if data in (None, FILE_INPUT_CONTRADICTION):
return initial
return data
def safe_summary(self, encoded):
algorithm, salt, data = encoded.split('$', 2)
assert algorithm == self.algorithm
return SortedDict([
(_('algorithm'), algorithm),
(_('salt'), salt),
(_('hash'), mask_hash(data, show=3)),
])
def safe_summary(self, encoded):
algorithm, iterations, salt, hash = encoded.split('$', 3)
assert algorithm == self.algorithm
return SortedDict([
(_('algorithm'), algorithm),
(_('iterations'), iterations),
(_('salt'), mask_hash(salt)),
(_('hash'), mask_hash(hash)),
])
class LogEntry(models.Model):
action_time = models.DateTimeField(_('action time'), auto_now=True)
user = models.ForeignKey(User)
content_type = models.ForeignKey(ContentType, blank=True, null=True)
object_id = models.TextField(_('object id'), blank=True, null=True)
object_repr = models.CharField(_('object repr'), max_length=200)
action_flag = models.PositiveSmallIntegerField(_('action flag'))
change_message = models.TextField(_('change message'), blank=True)
objects = LogEntryManager()
class Meta:
verbose_name = _('log entry')
verbose_name_plural = _('log entries')
db_table = 'django_admin_log'
ordering = ('-action_time', )
def __repr__(self):
return smart_unicode(self.action_time)
def __unicode__(self):
if self.action_flag == ADDITION:
return _('Added "%(object)s".') % {'object': self.object_repr}
elif self.action_flag == CHANGE:
return _('Changed "%(object)s" - %(changes)s') % {
'object': self.object_repr,
'changes': self.change_message
}
elif self.action_flag == DELETION:
return _('Deleted "%(object)s."') % {'object': self.object_repr}
return _('LogEntry Object')
def is_addition(self):
return self.action_flag == ADDITION
def is_change(self):
return self.action_flag == CHANGE
def is_deletion(self):
return self.action_flag == DELETION
def get_edited_object(self):
"Returns the edited object represented by this log entry"
return self.content_type.get_object_for_this_type(pk=self.object_id)
def get_admin_url(self):
"""
Returns the admin URL to edit the object represented by this log entry.
This is relative to the Django admin index page.
"""
if self.content_type and self.object_id:
return mark_safe(u"%s/%s/%s/" %
(self.content_type.app_label,
self.content_type.model, quote(self.object_id)))
return None
def safe_summary(self, encoded):
algorithm, empty, algostr, work_factor, data = encoded.split('$', 4)
assert algorithm == self.algorithm
salt, checksum = data[:22], data[22:]
return SortedDict([
(_('algorithm'), algorithm),
(_('work factor'), work_factor),
(_('salt'), mask_hash(salt)),
(_('checksum'), mask_hash(checksum)),
])
class PasswordResetForm(forms.Form):
error_messages = {
'unknown': _("That e-mail address doesn't have an associated "
"user account. Are you sure you've registered?"),
'unusable': _("The user account associated with this e-mail "
"address cannot reset the password."),
}
email = forms.EmailField(label=_("E-mail"), max_length=75)
def clean_email(self):
"""
Validates that an active user exists with the given email address.
"""
email = self.cleaned_data["email"]
self.users_cache = User.objects.filter(email__iexact=email,
is_active=True)
if not len(self.users_cache):
raise forms.ValidationError(self.error_messages['unknown'])
if any((user.password == UNUSABLE_PASSWORD)
for user in self.users_cache):
raise forms.ValidationError(self.error_messages['unusable'])
return email
def save(self, domain_override=None,
subject_template_name='registration/password_reset_subject.txt',
email_template_name='registration/password_reset_email.html',
use_https=False, token_generator=default_token_generator,
from_email=None, request=None):
"""
Generates a one-use only link for resetting password and sends to the
user.
"""
from my_django.core.mail import send_mail
for user in self.users_cache:
if not domain_override:
current_site = get_current_site(request)
site_name = current_site.name
domain = current_site.domain
else:
site_name = domain = domain_override
c = {
'email': user.email,
'domain': domain,
'site_name': site_name,
'uid': int_to_base36(user.id),
'user': user,
'token': token_generator.make_token(user),
'protocol': use_https and 'https' or 'http',
}
subject = loader.render_to_string(subject_template_name, c)
# Email subject *must not* contain newlines
subject = ''.join(subject.splitlines())
email = loader.render_to_string(email_template_name, c)
send_mail(subject, email, from_email, [user.email])
class BooleanField(Field):
empty_strings_allowed = False
default_error_messages = {
'invalid': _(u"'%s' value must be either True or False."),
}
description = _("Boolean (Either True or False)")
def __init__(self, *args, **kwargs):
kwargs['blank'] = True
if 'default' not in kwargs and not kwargs.get('null'):
kwargs['default'] = False
Field.__init__(self, *args, **kwargs)
def get_internal_type(self):
return "BooleanField"
def to_python(self, value):
if value in (True, False):
# if value is 1 or 0 than it's equal to True or False, but we want
# to return a true bool for semantic reasons.
return bool(value)
if value in ('t', 'True', '1'):
return True
if value in ('f', 'False', '0'):
return False
msg = self.error_messages['invalid'] % str(value)
raise exceptions.ValidationError(msg)
def get_prep_lookup(self, lookup_type, value):
# Special-case handling for filters coming from a Web request (e.g. the
# admin interface). Only works for scalar values (not lists). If you're
# passing in a list, you might as well make things the right type when
# constructing the list.
if value in ('1', '0'):
value = bool(int(value))
return super(BooleanField, self).get_prep_lookup(lookup_type, value)
def get_prep_value(self, value):
if value is None:
return None
return bool(value)
def formfield(self, **kwargs):
# Unlike most fields, BooleanField figures out include_blank from
# self.null instead of self.blank.
if self.choices:
include_blank = (self.null or
not (self.has_default() or 'initial' in kwargs))
defaults = {'choices': self.get_choices(
include_blank=include_blank)}
else:
defaults = {'form_class': forms.BooleanField}
defaults.update(kwargs)
return super(BooleanField, self).formfield(**defaults)
def naturaltime(value):
"""
For date and time values shows how many seconds, minutes or hours ago
compared to current timestamp returns representing string.
"""
if not isinstance(value, date): # datetime is a subclass of date
return value
now = datetime.now(utc if is_aware(value) else None)
if value < now:
delta = now - value
if delta.days != 0:
return pgettext(
'naturaltime', '%(delta)s ago'
) % {'delta': defaultfilters.timesince(value)}
elif delta.seconds == 0:
return _(u'now')
elif delta.seconds < 60:
return ungettext(
u'a second ago', u'%(count)s seconds ago', delta.seconds
) % {'count': delta.seconds}
elif delta.seconds // 60 < 60:
count = delta.seconds // 60
return ungettext(
u'a minute ago', u'%(count)s minutes ago', count
) % {'count': count}
else:
count = delta.seconds // 60 // 60
return ungettext(
u'an hour ago', u'%(count)s hours ago', count
) % {'count': count}
else:
delta = value - now
if delta.days != 0:
return pgettext(
'naturaltime', '%(delta)s from now'
) % {'delta': defaultfilters.timeuntil(value)}
elif delta.seconds == 0:
return _(u'now')
elif delta.seconds < 60:
return ungettext(
u'a second from now', u'%(count)s seconds from now', delta.seconds
) % {'count': delta.seconds}
elif delta.seconds // 60 < 60:
count = delta.seconds // 60
return ungettext(
u'a minute from now', u'%(count)s minutes from now', count
) % {'count': count}
else:
count = delta.seconds // 60 // 60
return ungettext(
u'an hour from now', u'%(count)s hours from now', count
) % {'count': count}
def test_naturalday(self):
today = datetime.date.today()
yesterday = today - datetime.timedelta(days=1)
tomorrow = today + datetime.timedelta(days=1)
someday = today - datetime.timedelta(days=10)
notdate = u"I'm not a date value"
test_list = (today, yesterday, tomorrow, someday, notdate, None)
someday_result = defaultfilters.date(someday)
result_list = (_(u'today'), _(u'yesterday'), _(u'tomorrow'),
someday_result, u"I'm not a date value", None)
self.humanize_tester(test_list, result_list, 'naturalday')
def __unicode__(self):
if self.action_flag == ADDITION:
return _('Added "%(object)s".') % {'object': self.object_repr}
elif self.action_flag == CHANGE:
return _('Changed "%(object)s" - %(changes)s') % {
'object': self.object_repr,
'changes': self.change_message
}
elif self.action_flag == DELETION:
return _('Deleted "%(object)s."') % {'object': self.object_repr}
return _('LogEntry Object')
class AuthenticationForm(forms.Form):
"""
Base class for authenticating users. Extend this to get a form that accepts
username/password logins.
"""
username = forms.CharField(label=_("Username"), max_length=30)
password = forms.CharField(label=_("Password"), widget=forms.PasswordInput)
error_messages = {
'invalid_login': _("Please enter a correct username and password. "
"Note that both fields are case-sensitive."),
'no_cookies': _("Your Web browser doesn't appear to have cookies "
"enabled. Cookies are required for logging in."),
'inactive': _("This account is inactive."),
}
def __init__(self, request=None, *args, **kwargs):
"""
If request is passed in, the form will validate that cookies are
enabled. Note that the request (a HttpRequest object) must have set a
cookie with the key TEST_COOKIE_NAME and value TEST_COOKIE_VALUE before
running this validation.
"""
self.request = request
self.user_cache = None
super(AuthenticationForm, self).__init__(*args, **kwargs)
def clean(self):
username = self.cleaned_data.get('username')
password = self.cleaned_data.get('password')
if username and password:
self.user_cache = authenticate(username=username,
password=password)
if self.user_cache is None:
raise forms.ValidationError(
self.error_messages['invalid_login'])
elif not self.user_cache.is_active:
raise forms.ValidationError(self.error_messages['inactive'])
self.check_for_test_cookie()
return self.cleaned_data
def check_for_test_cookie(self):
if self.request and not self.request.session.test_cookie_worked():
raise forms.ValidationError(self.error_messages['no_cookies'])
def get_user_id(self):
if self.user_cache:
return self.user_cache.id
return None
def get_user(self):
return self.user_cache