Flask-RECAPTCHA

Flask-RECAPTCHA.py

#Simple example for using wtf-Flask's RECAPTCHA widget. 

#APP.py

from flask import Flask, request, render_template
from flask.ext.wtf import Form
from flask.ext.wtf.recaptcha import RecaptchaField
from wtforms.fields import StringField
from wtforms.validators import DataRequired


RECAPTCHA_OPTIONS = {'theme': 'red'} # You can change the theme -- > https://developers.google.com/recaptcha/docs/customization
RECAPTCHA_PUBLIC_KEY = "YOUR PUBLIC KEY" #https://www.google.com/recaptcha
RECAPTCHA_PRIVATE_KEY = "YOUR PRIVATE KEY" #https://www.google.com/recaptcha

app = Flask(__name__)
app.config.from_object(__name__)

class EmailForm(Form):
    email = StringField("Email", validators=[DataRequired()])
    recap = RecaptchaField()


@app.route('/send', methods = ['GET', 'POST'])
def sendEmail():
    send = EmailForm()
    if request.method == 'POST':
        if send.validate_on_submit():
            email = request.form.get('email', None) #get the value of input email. This does not include email validation. This example is for RECAPTCHA

            if email is None:
                return render_template("send.html", content='Error...Email field is empty', form=send)
            else:
                return render_template("send.html", content='Form Posted...RECAPTCHA Valid')

        return render_template("send.html", content='Please enter a correct RECAPTCHA', form=send) #return the same page

    elif request.method == 'GET':
            return render_template("send.html", form=send, content='Please Enter Your Email')


#send.html

{% extends "layout.html" %} 

{{ content }

					 
{{ form.email(type="text")}}
{{ form.recap() }}