atst/atst/forms/forms.py

39 lines
1.2 KiB
Python

from flask_wtf import FlaskForm
from flask import current_app, request as http_request
from atst.utils.flash import formatted_flash as flash
class ValidatedForm(FlaskForm):
EMPTY_LIST_FIELD = ["", None]
def perform_extra_validation(self, *args, **kwargs):
"""Performs any applicable extra validation. Must
return True if the form is valid or False otherwise."""
return True
@property
def data(self):
_data = super().data
for field in _data:
if _data[field].__class__.__name__ == "list":
_data[field] = [
el for el in _data[field] if el not in self.EMPTY_LIST_FIELD
]
_data.pop("csrf_token", None)
return _data
def validate(self, *args, **kwargs):
valid = super().validate(*args, **kwargs)
if not valid:
flash("form_errors")
return valid
class CacheableForm(ValidatedForm):
def __init__(self, formdata=None, **kwargs):
formdata = formdata or {}
cached_data = current_app.form_cache.from_request(http_request)
cached_data.update(formdata)
super().__init__(cached_data, **kwargs)