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Fri, Jul 26, 18:25

forms.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2013, 2014, 2015 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio 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
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""Community forms."""
from __future__ import absolute_import
from invenio.base.i18n import _
from invenio.utils.forms import InvenioBaseForm, InvenioForm as Form
from wtforms import HiddenField, StringField, TextAreaField, validators
from .models import Community
class SearchForm(Form):
"""Search Form."""
p = StringField(
validators=[validators.DataRequired()]
)
class CommunityForm(Form):
"""Community form."""
field_sets = [
('Information', [
'identifier', 'title', 'description', 'curation_policy',
'page'
], {'classes': 'in'}),
]
field_placeholders = {
}
field_state_mapping = {
}
#
# Methods
#
def get_field_icon(self, name):
"""Return field icon."""
return self.field_icons.get(name, '')
def get_field_by_name(self, name):
"""Return field by name."""
try:
return self._fields[name]
except KeyError:
return None
def get_field_placeholder(self, name):
"""Return field placeholder."""
return self.field_placeholders.get(name, "")
def get_field_state_mapping(self, field):
"""Return field state mapping."""
try:
return self.field_state_mapping[field.short_name]
except KeyError:
return None
def has_field_state_mapping(self, field):
"""Check if field has state mapping."""
return field.short_name in self.field_state_mapping
def has_autocomplete(self, field):
"""Check if filed has autocomplete."""
return hasattr(field, 'autocomplete')
#
# Fields
#
identifier = StringField(
label=_('Identifier'),
description=_('Required. Only letters, numbers and dash are allowed.'
' The identifier is used in the URL for the community'
' collection, and cannot be modified later.'),
validators=[validators.DataRequired(),
validators.length(
max=100,
message=_("The identifier must be less"
" than 100 characters long.")),
validators.regexp(
u'^[-\w]+$',
message=_(
'Only letters, numbers and dash are allowed'))]
)
title = StringField(
description='Required.',
validators=[validators.DataRequired()]
)
description = TextAreaField(
description=_(
'Optional. A short description of the community collection,'
' which will be displayed on the index page of the community.'),
)
curation_policy = TextAreaField(
description=_(
'Optional. Please describe short and precise the policy by which'
' you accepted/reject new uploads in this community.'),
)
page = TextAreaField(
description=_(
'Optional. A long description of the community collection,'
' which will be displayed on a separate page linked from'
' the index page.'),
)
field_icons = {
'identifier': 'barcode',
'title': 'file-alt',
'description': 'pencil',
'curation_policy': 'check',
}
#
# Validation
#
def validate_identifier(self, field):
"""Validate field identifier."""
if field.data:
field.data = field.data.lower()
if Community.query.filter_by(id=field.data).first():
raise validators.ValidationError(
_("The identifier already exists."
" Please choose a different one."))
class EditCommunityForm(CommunityForm):
"""Edit community form.
Same as collection form, except identifier is removed.
"""
identifier = None
class DeleteCommunityForm(InvenioBaseForm):
"""Confirm deletion of a collection."""
delete = HiddenField(default='yes', validators=[validators.DataRequired()])

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