# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see .
import wtforms
from jsonschema import Draft4Validator
from mediagoblin.tools.text import tag_length_validator
from mediagoblin.tools.translate import lazy_pass_to_ugettext as _
from mediagoblin.tools.licenses import licenses_as_choices
from mediagoblin.tools.metadata import DEFAULT_SCHEMA, DEFAULT_CHECKER
from mediagoblin.auth.tools import normalize_user_or_email_field
class WebsiteField(wtforms.StringField):
"""A field that expects a website URL but adds http:// if not provided."""
def process_formdata(self, valuelist):
if valuelist:
data = valuelist[0]
if not data.startswith((u'http://', u'https://')):
data = u'http://' + data
self.data = data
else:
super(WebsiteField, self).process_formdata(valuelist)
class EditForm(wtforms.Form):
title = wtforms.StringField(
_('Title'),
[wtforms.validators.Length(min=0, max=500)])
description = wtforms.TextAreaField(
_('Description of this work'),
description=_("""You can use
Markdown for formatting."""))
tags = wtforms.StringField(
_('Tags'),
[tag_length_validator],
description=_(
"Separate tags by commas."))
slug = wtforms.StringField(
_('Slug'),
[wtforms.validators.InputRequired(message=_("The slug can't be empty"))],
description=_(
"The title part of this media's address. "
"You usually don't need to change this."))
license = wtforms.SelectField(
_('License'),
[wtforms.validators.Optional(),],
choices=licenses_as_choices())
class EditProfileForm(wtforms.Form):
bio = wtforms.TextAreaField(
_('Bio'),
[wtforms.validators.Length(min=0, max=500)],
description=_("""You can use
Markdown for formatting."""))
url = WebsiteField(
_('Website'),
[wtforms.validators.Optional(),
wtforms.validators.URL(message=_("This address contains errors"))],
description=_("www.example.com, http://www.example.com or "
"https://www.example.com"))
location = wtforms.StringField(_('Hometown'))
class EditAccountForm(wtforms.Form):
wants_comment_notification = wtforms.BooleanField(
description=_("Email me when others comment on my media"))
wants_notifications = wtforms.BooleanField(
description=_("Enable insite notifications about events."))
license_preference = wtforms.SelectField(
_('License preference'),
[
wtforms.validators.Optional(),
wtforms.validators.AnyOf([lic[0] for lic in licenses_as_choices()]),
],
choices=licenses_as_choices(),
description=_('This will be your default license on upload forms.'))
class EditAttachmentsForm(wtforms.Form):
attachment_name = wtforms.StringField(
'Title')
attachment_file = wtforms.FileField(
'File')
class EditCollectionForm(wtforms.Form):
title = wtforms.StringField(
_('Title'),
[wtforms.validators.Length(min=0, max=500), wtforms.validators.InputRequired(message=_("The title can't be empty"))])
description = wtforms.TextAreaField(
_('Description of this collection'),
description=_("""You can use
Markdown for formatting."""))
slug = wtforms.StringField(
_('Slug'),
[wtforms.validators.InputRequired(message=_("The slug can't be empty"))],
description=_(
"The title part of this collection's address. "
"You usually don't need to change this."))
class ChangePassForm(wtforms.Form):
old_password = wtforms.PasswordField(
_('Old password'),
[wtforms.validators.InputRequired()],
description=_(
"Enter your old password to prove you own this account."))
new_password = wtforms.PasswordField(
_('New password'),
[wtforms.validators.InputRequired(),
wtforms.validators.Length(min=6, max=30)],
id="password")
class ChangeEmailForm(wtforms.Form):
new_email = wtforms.StringField(
_('New email address'),
[wtforms.validators.InputRequired(),
normalize_user_or_email_field(allow_user=False)])
password = wtforms.PasswordField(
_('Password'),
[wtforms.validators.InputRequired()],
description=_(
"Enter your password to prove you own this account."))
class MetaDataValidator(object):
"""
Custom validator which runs form data in a MetaDataForm through a jsonschema
validator and passes errors recieved in jsonschema to wtforms.
:param schema The json schema to validate the data against. By
default this uses the DEFAULT_SCHEMA from
mediagoblin.tools.metadata.
:param format_checker The FormatChecker object that limits which types
jsonschema can recognize. By default this uses
DEFAULT_CHECKER from mediagoblin.tools.metadata.
"""
def __init__(self, schema=DEFAULT_SCHEMA, format_checker=DEFAULT_CHECKER):
self.schema = schema
self.format_checker = format_checker
def __call__(self, form, field):
metadata_dict = {field.data:form.value.data}
validator = Draft4Validator(self.schema,
format_checker=self.format_checker)
errors = [e.message
for e in validator.iter_errors(metadata_dict)]
if len(errors) >= 1:
raise wtforms.validators.ValidationError(
errors.pop())
class MetaDataForm(wtforms.Form):
identifier = wtforms.StringField(_(u'Identifier'),[MetaDataValidator()])
value = wtforms.StringField(_(u'Value'))
class EditMetaDataForm(wtforms.Form):
media_metadata = wtforms.FieldList(
wtforms.FormField(MetaDataForm, ""),
)