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from wtforms import Form, TextField, validators
from utils import Unique
from models import Group
class CreateGroup(Form):
name = TextField('group name', [
validators.Required(),
validators.Regexp('^[a-zA-Z-1-9_-]+$',
message=u'Invalid group name (only simple characters, numbers, - and _).'),
Unique(Group, Group.name,
message=u'A group with this name already exists.')])
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