Flask App with DocuSign JWT integrations

 pip install Flask Flask-WTF requests

from flask import Flask, render_template, redirect, url_for

from flask_wtf import FlaskForm

from wtforms import StringField, SubmitField

from wtforms.validators import DataRequired

import requests

import json

app = Flask(__name__)

app.config['SECRET_KEY'] = 'your_secret_key'

class UserForm(FlaskForm):

    name = StringField('Name', validators=[DataRequired()])

    question = StringField('Question', validators=[DataRequired()])

    submit = SubmitField('Submit')

# DocuSign API credentials

client_id = 'your_integration_key'

client_secret = 'your_client_secret'

base_url = 'https://demo.docusign.net/restapi'

# Obtain access token

def get_access_token():

    auth_url = f'{base_url}/oauth2/token'

    headers = {'Content-Type': 'application/x-www-form-urlencoded'}

    data = {

        'grant_type': 'client_credentials',

        'client_id': client_id,

        'client_secret': client_secret

    }

    response = requests.post(auth_url, headers=headers, data=data)

    return response.json()['access_token']

# Create envelope

def create_envelope(name, question):

    access_token = get_access_token()

    envelope_url = f'{base_url}/v2.1/accounts/your_account_id/envelopes'

    headers = {

        'Authorization': f'Bearer {access_token}',

        'Content-Type': 'application/json'

    }

    data = {

        'emailSubject': 'Signature Request',

        'documents': [

            {

                'documentId': '1',

                'name': 'Signature Document',

                'fileExtension': 'pdf',

                'documentBase64': 'your_pdf_base64'  # Generate PDF base64 string

            }

        ],

        'recipients': {

            'signers': [

                {

                    'email': 'user@example.com',  # Replace with user's email

                    'name': name,

                    'recipientId': '1',

                    'tabs': {

                        'signHereTabs': [

                            {

                                'xPosition': '100',

                                'yPosition': '100',

                                'documentId': '1',

                                'pageNumber': '1'

                            }

                        ]

                    }

                }

            ]

        },

        'status': 'sent'

    }

    response = requests.post(envelope_url, headers=headers, data=json.dumps(data))

    return response.json()

@app.route('/', methods=['GET', 'POST'])

def index():

    form = UserForm()

    if form.validate_on_submit():

        name = form.name.data

        question = form.question.data

        envelope_response = create_envelope(name, question)

        # Redirect to DocuSign signing URL

        return redirect(envelope_response['url'])

    return render_template('index.html', form=form)

if __name__ == '__main__':

    app.run(debug=True)