Paynow Hashing Test | Python Fiddle

def __build_mobile(self, payment: Payment, phone: str, method: str):
    """Build up a mobile payment into the format required by Paynow
  	Args:
        payment (Payment): The payment object to format
        phone (str): The phone number to send to Paynow
        method (str): The mobile money method being employed

Note:
        Currently supported methods are `ecocash` and `onemoney`

Returns:
        dict: A dictionary properly formatted in the format required by Paynow
    """
    body = {
        "resulturl": self.result_url,
        "returnurl": self.return_url,
        "reference": payment.reference,
        "amount": payment.total(),
        "id": self.integration_id,
        "additionalinfo": payment.info(),
        "authemail":  payment.auth_email,
        "phone": phone,
        "method": method,
        "status": "Message"
    }

for key, value in body.items():
        body[key] = quote_plus(str(value))  # Url encode the

body['hash'] = self.__hash(body, self.integration_key)

return body

def __hash(self, items: {}, integration_key: str):
    """Generates a SHA512 hash of the transaction

Args:
        items (dict): The transaction dictionary to hash
        integration_key (str): Merchant integration key to use during hashing

Returns:
        str: The hashed transaction
    """
    out = ""
    for key, value in items.items():
        out += str(value)

out += integration_key

return hashlib.sha512(out.encode('utf-8')).hexdigest().upper()

Browser Version Not Supported

Due to Python Fiddle's reliance on advanced JavaScript techniques, older browsers might have problems running it correctly. Please download the latest version of your favourite browser.
Chrome 10+ Firefox 4+ Safari 5+
IE 10+

Let me try anyway!

Python Fiddle

Python Cloud IDE