forms.py
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from flask_wtf import FlaskForm
from flask_wtf.file import FileAllowed
from wtforms import \
StringField, \
PasswordField, \
TextAreaField, \
SelectField, \
BooleanField, \
FileField
from wtforms import validators
from werkzeug.datastructures import FileStorage
from .models import User
from .content import content_dict as content
from .core import models
form_content = content['estimate']['form']
train_values = form_content['use_train_below_km']['values']
# ESTIMATION FORM #############################################################
class EstimateForm(FlaskForm):
# email = StringField(
# label=form_content['email']['label'],
# description=form_content['email']['description'],
# validators=[
# validators.DataRequired(),
# validators.Email(),
# ],
# )
first_name = StringField(
label=form_content['first_name']['label'],
description=form_content['first_name']['description'],
validators=[
validators.Optional(),
validators.Length(max=1024),
],
render_kw={
"placeholder": form_content['first_name']['placeholder']
},
)
last_name = StringField(
label=form_content['last_name']['label'],
description=form_content['last_name']['description'],
validators=[
validators.Optional(),
validators.Length(max=1024),
],
render_kw={
"placeholder": form_content['last_name']['placeholder']
},
)
institution = StringField(
label=form_content['institution']['label'],
description=form_content['institution']['description'],
validators=[
validators.Optional(),
validators.Length(max=1024),
],
)
use_train_below_km = SelectField(
label=form_content['use_train_below_km']['label'],
description=form_content['use_train_below_km']['description'],
default=500,
choices=[(v['value'], v['label']) for v in train_values],
coerce=int,
)
comment = TextAreaField(
label=form_content['comment']['label'],
description=form_content['comment']['description'],
validators=[
validators.Optional(),
validators.Length(max=2048),
],
)
origin_addresses = TextAreaField(
label=form_content['origin_addresses']['label'],
description=form_content['origin_addresses']['description'],
validators=[
validators.DataRequired(),
],
render_kw={
"placeholder": form_content['origin_addresses']['placeholder']
},
)
destination_addresses = TextAreaField(
label=form_content['destination_addresses']['label'],
description=form_content['destination_addresses']['description'],
validators=[
validators.DataRequired(),
],
render_kw={
"placeholder": form_content['destination_addresses']['placeholder']
},
)
origin_addresses_file = FileField(
label=form_content['origin_addresses_file']['label'],
description=form_content['origin_addresses_file']['description'],
validators=[
# We disabled validators because they bug with multiple FileFields
# validators.Optional(),
# FileAllowed(
# ['csv', 'xls', 'xlsx'],
# form_content['origin_addresses_file']['error']
# )
],
)
destination_addresses_file = FileField(
label=form_content['destination_addresses_file']['label'],
description=form_content['destination_addresses_file']['description'],
validators=[
# We disabled validators because they bug with multiple FileFields
# validators.Optional(),
# FileAllowed(
# ['csv', 'xls', 'xlsx'],
# form_content['destination_addresses_file']['error']
# )
],
)
upload_set = ['csv', 'xls', 'xlsx']
# compute_optimal_destination = BooleanField(
# label=form_content['compute_optimal_destination']['label'],
# description=form_content['compute_optimal_destination']['description'],
# default=False,
# validators=[
# validators.Optional(),
# ],
# )
# use_atmosfair_rfi = BooleanField(
# label=form_content['use_atmosfair_rfi']['label'],
# description=form_content['use_atmosfair_rfi']['description'],
# default=False,
# validators=[
# validators.Optional(),
# ],
# )
def validate(self):
check_validate = super(EstimateForm, self).validate()
# Do our validators pass?
if not check_validate:
return False
uses_at_least_one_model = False
for model in models:
use_model = getattr(self, 'use_model_%s' % model.slug)
#print("Model data", model.slug, use_model.data)
if use_model.data:
uses_at_least_one_model = True
if not uses_at_least_one_model:
last_model = getattr(self, 'use_model_%s' % models[-1].slug)
last_model.errors.append(
"Please select at least one plane model, "
"<em>even for train-only estimations.</em>"
)
return False
# Check uploaded files' extensions, if any
# We have to do this "by hand" because of a bug in flask wtf
if isinstance(self.origin_addresses_file.data, FileStorage):
fn = self.origin_addresses_file.data.filename.lower()
if fn and not any(fn.endswith('.' + x) for x in self.upload_set):
self.origin_addresses_file.errors.append(
form_content['origin_addresses_file']['error']
)
return False
if isinstance(self.destination_addresses_file.data, FileStorage):
fn = self.destination_addresses_file.data.filename.lower()
if fn and not any(fn.endswith('.' + x) for x in self.upload_set):
self.destination_addresses_file.errors.append(
form_content['destination_addresses_file']['error']
)
return False
return True
# Add the models' checkboxes to the above Form
for model in models:
setattr( # setattr() takes no keyword arguments -.-
EstimateForm,
'use_model_%s' % model.slug,
BooleanField(
label=model.name,
# description=model.short_description,
default=model.selected,
validators=[
validators.Optional(),
],
)
)
# LOGIN FORM ##################################################################
class LoginForm(FlaskForm):
username = StringField(u'Username', validators=[validators.required()])
password = PasswordField(u'Password', validators=[validators.optional()])
def validate(self):
check_validate = super(LoginForm, self).validate()
# Do our validators pass?
if not check_validate:
return False
# Does the user even exist?
user = User.query.filter_by(username=self.username.data).first()
if not user:
self.username.errors.append('Invalid username or password')
return False
# Do the passwords match?
if not user.check_password(self.password.data):
self.username.errors.append('Invalid username or password')
return False
return True