forms.py

from flask_wtf import Form
from wtforms import StringField, SelectField
from wtforms.validators import DataRequired
from wtforms.fields.html5 import DateField
import datetime as dt

class SearchForm(Form):
    search_string = StringField('search_string', validators=[DataRequired()])


class DownloadForm(Form):
    guid = StringField('sensor_id', validators=[DataRequired()])
    start = DateField('start', default=dt.date(year=2016, month=1, day=1))
    end = DateField('end', default=dt.date.today())
    resample = SelectField('resample', choices=[('min','minutes'), ('h','hours'), ('d', 'days'), ('w', 'week'), ('m', 'month'), ('raw', 'raw')])

class EmptyForm(Form):
    pass