CkPython

PayPal - Generate Invoice Number

See more PayPal Examples

Generates the next invoice number that is available to the user.

Note: This example requires Chilkat v9.5.0.65 or greater.

CkPython

import sys
import chilkat

success = False

# Note: Requires Chilkat v9.5.0.65 or greater.

# This requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# Load our previously obtained access token. (see PayPal OAuth2 Access Token)
jsonToken = chilkat.CkJsonObject()
jsonToken.LoadFile("qa_data/tokens/paypal.json")

# Build the Authorization request header field value.
sbAuth = chilkat.CkStringBuilder()
# token_type should be "Bearer"
sbAuth.Append(jsonToken.stringOf("token_type"))
sbAuth.Append(" ")
sbAuth.Append(jsonToken.stringOf("access_token"))

# Make the initial connection.
# A single REST object, once connected, can be used for many PayPal REST API calls.
# The auto-reconnect indicates that if the already-established HTTPS connection is closed,
# then it will be automatically re-established as needed.
rest = chilkat.CkRest()
bAutoReconnect = True
success = rest.Connect("api.sandbox.paypal.com",443,True,bAutoReconnect)
if (success != True):
    print(rest.lastErrorText())
    sys.exit()

# ----------------------------------------------------------------------------------------------
# The code above this comment could be placed inside a function/subroutine within the application
# because the connection does not need to be made for every request.  Once the connection is made
# the app may send many requests..
# ----------------------------------------------------------------------------------------------

# Clear the REST object of any headers or query params from previous requests.
rest.ClearAllHeaders()
rest.ClearAllQueryParams()

rest.AddHeader("Authorization",sbAuth.getAsString())

# Send the POST request with an emtpy body and get the JSON response.
sbJsonRequest = chilkat.CkStringBuilder()
sbJsonResponse = chilkat.CkStringBuilder()
success = rest.FullRequestSb("POST","/v1/invoicing/invoices/next-invoice-number",sbJsonRequest,sbJsonResponse)
if (success != True):
    print(rest.lastErrorText())
    sys.exit()

json = chilkat.CkJsonObject()
json.put_EmitCompact(False)
json.LoadSb(sbJsonResponse)

print("Response Status Code = " + str(rest.get_ResponseStatusCode()))

# Did we get a 200 success response?
if (rest.get_ResponseStatusCode() != 200):
    print(json.emit())
    print("Failed.")
    sys.exit()

# Sample JSON response is shown below.
print(json.emit())
print("----------------------")
print("Next invoice number: " + json.stringOf("number"))
print("success")

# ------------------------------------------------
# A sample JSON response:

# 	{ 
# 	  "number": "0003"
# 	}