flask-wtforms

问题 This is a flask front end to an Accounting database. I am struggling to create a form to pass a query back to veiw function, I need to query one or more columns out of eleven columns at once, I have the code for the backend side after somebody helped me here but I dont know how to build a URL like this: books?filter=aux,eq,FILCUI&credit,eq,445663 where eq are operators from here. These I can use as a dropdown list to have "eqaul too" "greater than" "not eqaul". Brilliant Six of my eleven

问题 does somebody know why the body of my post request is None? I am using Flask with WTForms. My forms.py class SignupForm(Form): username = StringField('Username') password = PasswordField('Password') email = StringField('Email') submit = SubmitField('Create account') My route.py @app.route('/signup', methods=['GET', 'POST']) def signup(): form = SignupForm() if request.method == 'POST': app.logger.info(form.data) return redirect(url_for('signup')) elif request.method == 'GET': return render

问题 forms.py my_field = TextField(u"Enter a number", validators=[Required('This Field is Required')]) my_form.html <table> <tr> <td colspan="4"> {{form.my_field(placeholder= form.my_field.label.text, class_="form-control")}} {% for error in form.my_field.errors %} <span>{{error}}</span> {% endfor %} </td> </tr> </table> This is a simple code. But I want to follow kind of this to render all the input fields in a loop instead of writing the code for each of them. But each field will have a

问题 I using Flask-Security with SQLAlchemy When want to add user or role def addrole(): form=addroll() createRole=user_datastore.create_role(name=form.role.data,description=form.description.data) db.session.add(createRole) db.session.commit() in mysql table add one record belong my creation and two or tree blank record same think happen when i want to create user To associate a user with a role, I have the following : @app.route('/addR', methods=['GET', 'POST']) @login_required def addR(): email1

问题 I want to define a form class with fields based on a dict of name: label . I tried the following, which nearly worked. However, rendering the fields in a template gave AttributeError: 'UnboundField' object has no attribute '__call__' . How can I dynamically add fields to a form? def build_form(name, record): class ContactForm(FlaskForm): name = StringField(name) fieldlist = {} for key, value in record.items(): fieldlist[key] = StringField(key) @app.route('/', methods=['GET', 'POST']) def

问题 I would like to add a unicode to the text of a SubmitField. For instance, the code submit = SubmitField('✉ Send') does not work. How can I change that to show this envelope unicode? 回答1: Just use the unicode codepoint in a \uhhhh escape sequence, there is no need to use HTML escapes: submit = SubmitField('\u2709 Send') or even the codepoint itself: submit = SubmitField('✉ Send') The string value produced is exactly the same. The label is quoted to ensure proper handling in HTML, so any &

问题 I'm making a WTForm which takes Decimals as inputs, and I'm trying to restrict input to a range of numbers (between 0 and 10 inclusive). However, the validator NumberRange doesn't seem to do anything. Python (using flask): from flask import render_template from flask_wtf import FlaskForm from wtforms import DecimalField, SubmitField, validators class NumberForm(FlaskForm): question = DecimalField('Question 1', [validators.NumberRange(min=0, max=10, message="blah"), validators.Optional()])

问题 If using SelectField we can get the current value that prepopulate in form from database using the obj argument, like this answer on my previous question. For now, I want to get the current value using QuerySelectField . Here is the snippet of my code: def course_list(): return Course.query.all() class PaymentForm(Form): total_price = IntegerField(validators=[required()]) course_name = QuerySelectField('Course name', validators=[required()], query_factory=course_list) # .... # .... And here

问题 app.py from flask import Flask, render_template from flask_wtf import FlaskForm from wtforms import StringField, SubmitField, FieldList, FormField app = Flask(__name__) app.config['SECRET_KEY'] = 'apple pie' class BookForm(FlaskForm): book = StringField('book title') class LibraryForm(FlaskForm): def __init__(self, min_entries=0, *args, **kwargs): super(LibraryForm, self).__init__(*args, **kwargs) self.books = FieldList(FormField(BookForm), min_entries=min_entries) library = StringField(

问题 When using the following form: class TextForm(Form): example = RadioField('Choice 1:', choices=[('A','Option A'),('B','Option B')]) key = RadioField('Choice 2:', choices=[('1', 'Option 1'), ('2', 'Option 2')]) submit = SubmitField('Submit') I am expecting to see: Choice 1: Option A Option B Choice 2: Option 1 Option 2 Instead I am getting no labels as follows: Option A Option B Option 1 Option 2 What am I missing? 回答1: I don't use quick_form but if you are going to render the field label, you