Passing a variable from python to HTML page - html

Question

I have a long python function and within the function I am generating a voucher which I would want to autofill in my HTML page. Kindly assist
The full function:
def confirmation(request):
print("Start MpesaCallback")
global profile
mpesa_body = request.body.decode('utf-8')
mpesa_body = json.loads(mpesa_body)
print(mpesa_body)
print("Mpesa Body")
merchant_requestID = mpesa_body["Body"]["stkCallback"]["MerchantRequestID"]
print('merchant_requestID: ', merchant_requestID)
checkout_requestID = mpesa_body["Body"]["stkCallback"]["CheckoutRequestID"]
print('checkout_requestID: ', checkout_requestID)
result_code = mpesa_body["Body"]["stkCallback"]["ResultCode"]
print('result_code: ', result_code)
result_desc = mpesa_body["Body"]["stkCallback"]["ResultDesc"]
print('result_desc: ', result_desc)
metadata = mpesa_body["Body"]["stkCallback"]["CallbackMetadata"]["Item"]
for item in metadata:
title = item["Name"]
if title == "Amount":
amount = item["Value"]
print('Amount: ', amount)
elif title == "MpesaReceiptNumber":
mpesa_receipt_number = item["Value"]
print('Mpesa Reference No: ', mpesa_receipt_number)
elif title == "TransactionDate":
transaction_date = item["Value"]
print('Transaction date: ', transaction_date)
elif title == "PhoneNumber":
phone_number = item["Value"]
print('Phone Number: ', phone_number)
str_transaction_date = str(transaction_date)
trans_datetime = datetime.strptime(str_transaction_date, "%Y%m%d%H%M%S")
tz_trans_datetime = pytz.utc.localize(trans_datetime)
payment = MpesaPayment.objects.create(
MerchantRequestID=merchant_requestID,
CheckoutRequestID=checkout_requestID,
ResultCode=result_code,
ResultDesc=result_desc,
Amount=amount,
MpesaReceiptNumber=mpesa_receipt_number,
TransactionDate=tz_trans_datetime,
PhoneNumber=phone_number,
)
if result_code == 0:
payment.save()
print("Successfully saved")
password_length = 5
voucher = secrets.token_urlsafe(password_length)
print(voucher)
headers = {
'Content-Type': 'application/json',
'h_api_key': os.getenv("SMS_Token"),
'Accept': 'application/json'
}
payload = {
"mobile": phone_number,
"response_type": "json",
"sender_name": "23107",
"service_id": 0,
"message": "Your WiFi Voucher is " + voucher + ".\nAirRumi."
}
response = requests.request("POST", 'https://smsdomain.com/sms/sendsms', headers=headers,
json=payload)
r = response.json()
print(r)
print("SMS Sent")
print(amount)
if amount == 1:
profile = 'one_hour'
elif amount == 50:
profile = 'one_day'
elif amount == 300:
profile = 'one_week'
elif amount == 1000:
profile = 'one_month'
else:
print('Incorrect Amount')
print(profile)
connection = routeros_api.RouterOsApiPool(
host=os.getenv("ip"),
username=os.getenv("usernamee"),
password=os.getenv("password"),
port=8728,
use_ssl=False,
ssl_verify=False,
ssl_verify_hostname=True,
ssl_context=None,
plaintext_login=True
)
api = connection.get_api()
user = api.get_resource('/ip/hotspot/user')
user.add(name=voucher, server="hotspot1", password='1234', profile=profile)
print("User " + voucher + " created.")
else:
print("Payment was not successful")
context = {
"resultcode": result_code,
"resultdesc": result_desc
}
if context['resultcode'] == 0:
return JsonResponse(dict(context))
My HTML page that I want auto filled:
<form name="login" action="http://mydomain/login" method="post">
{% csrf_token %}
<input type="hidden" name="dst" value="https://www.google.com"/>
<input type="hidden" name="popup" value="true"/>
<label>
<input type="text" name="username" value="{{ voucher }}" placeholder="Enter your Voucher" required>
</label>
<label>
<input type="hidden" name="password" value="1234">
</label><br><br>
<div id="login-button"><input type="submit" value="CONNECT"/></div>
</form>
How do I get the voucher generated and auto fill it in the HTML? I have used the {{ voucher }} and its not working.
I have updated the whole function but not the whole view.py

Answer 1

You can use render for django.shortcuts module:
from django.shortcuts import render
def confirmation(request):
# Your code here
...
context = {
"resultcode": result_code,
"resultdesc": result_desc,
"voucher": voucher, # <- HERE
}
# Comment
# if context['resultcode'] == 0:
# return JsonResponse(dict(context))
return render(request, 'your_template.html', context=context)