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# -*- coding: utf-8 -*-
import os
from flask import current_app
from flask_wtf import FlaskForm
from flask_wtf.file import FileField, FileRequired
from wtforms import SubmitField, SelectField, IntegerField
from wtforms.validators import ValidationError, InputRequired, NumberRange
from werkzeug.utils import secure_filename
from app.models import Dataset
from app.admin.datasets import validate_dataset, get_name_from_dataset
class AdminAutoAssignForm(FlaskForm):
max_per_user = IntegerField(
"Maximum Tasks per User", [NumberRange(min=0, max=10)], default=5
)
num_per_dataset = IntegerField(
"Tasks per Dataset", [NumberRange(min=1, max=20)], default=10
)
assign = SubmitField("Assign")
class AdminManageTaskForm(FlaskForm):
username = SelectField(
"Username", coerce=int, validators=[InputRequired()]
)
dataset = SelectField("Dataset", coerce=int, validators=[InputRequired()])
assign = SubmitField("Assign")
delete = SubmitField("Delete")
class AdminAddDatasetForm(FlaskForm):
file_ = FileField("File", validators=[FileRequired()])
submit = SubmitField("Upload")
def validate_file_(self, field):
filename = secure_filename(field.data.filename)
if not "." in filename:
raise ValidationError("The file should be a '.json' file.")
if not filename.rsplit(".", 1)[1].lower() == "json":
raise ValidationError("The file should be a '.json' file.")
temp_filename = os.path.join(
current_app.instance_path, current_app.config["TEMP_DIR"], filename
)
field.data.save(temp_filename)
error = validate_dataset(temp_filename)
if not error is None:
os.unlink(temp_filename)
raise ValidationError("Error validating dataset: %s" % error)
name = get_name_from_dataset(temp_filename)
dataset = Dataset.query.filter_by(name=name).first()
if dataset is not None:
os.unlink(temp_filename)
raise ValidationError(
"A dataset with the name '%s' already exists." % name
)
class AdminManageDatasetsForm(FlaskForm):
dataset = SelectField("Dataset", coerce=int, validators=[InputRequired()])
delete = SubmitField("Delete")
class AdminManageUsersForm(FlaskForm):
user = SelectField("User", coerce=int, validators=[InputRequired()])
delete = SubmitField("Delete")
class AdminSelectDatasetForm(FlaskForm):
dataset = SelectField("Dataset", coerce=int, validators=[InputRequired()])
submit = SubmitField("Show")
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