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Chilkat2-Python

PayPal - Generate Invoice Number

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

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

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Chilkat2-Python
import sys
import chilkat2

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 = chilkat2.JsonObject()
jsonToken.LoadFile("qa_data/tokens/paypal.json")

# Build the Authorization request header field value.
sbAuth = chilkat2.StringBuilder()
# 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 = chilkat2.Rest()
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 = chilkat2.StringBuilder()
sbJsonResponse = chilkat2.StringBuilder()
success = rest.FullRequestSb("POST","/v1/invoicing/invoices/next-invoice-number",sbJsonRequest,sbJsonResponse)
if (success != True):
    print(rest.LastErrorText)
    sys.exit()

json = chilkat2.JsonObject()
json.EmitCompact = False
json.LoadSb(sbJsonResponse)

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

# Did we get a 200 success response?
if (rest.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"
# 	}