Chilkat2-Python

Xero Download Attachment for an Item (such as an Invoice)

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Demonstrates how to download a particular attachment for a particular Xero item. Chilkat2-Python

import sys
import chilkat2

success = False

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

http = chilkat2.Http()

jsonToken = chilkat2.JsonObject()
success = jsonToken.LoadFile("qa_data/tokens/xero-access-token.json")
if (success == False):
    print(jsonToken.LastErrorText)
    sys.exit()

http.AuthToken = jsonToken.StringOf("access_token")

# Replace the value here with an actual tenant ID obtained from this example:
# Get Xero Tenant IDs
http.SetRequestHeader("Xero-tenant-id","83299b9e-5747-4a14-a18a-a6c94f824eb7")

http.Accept = "application/json"

# The example to list Xero attachments shows how to get attachment information.
# Here's a sample JSON response obtained form listing attachments:
# Your application can get the AttachmentID's and filenames from it.

# {
#   "Id": "24bfbcb9-dec9-4d33-835c-8f165d776766",
#   "Status": "OK",
#   "ProviderName": "Chilkat2222",
#   "DateTimeUTC": "\/Date(1587213296972)\/",
#   "Attachments": [
#     {
#       "AttachmentID": "daf106e2-8634-4349-bfcc-86c1df0793b2",
#       "FileName": "penguins.jpg",
#       "Url": "https://api.xero.com/api.xro/2.0/Invoices/0032f627-3156-4d30-9b1c-4d3b994dc921/Attachments/penguins.jpg",
#       "MimeType": "image/jpg",
#       "ContentLength": 777835
#     }
#   ]
# }

url = "https://api.xero.com/api.xro/2.0/{$Endpoint}/{$Guid}/Attachments/{$AttachmentId}"

# Endpoint can be Invoices, Receipts, CreditNotes, PurchaseOrders, etc.
http.SetUrlVar("Endpoint","Invoices")

# Guid is the ID of the item, such as the InvoiceID.
http.SetUrlVar("Guid","0032f627-3156-4d30-9b1c-4d3b994dc921")

# AttachmentId is the ID of the particular attachment to be downloaded
http.SetUrlVar("AttachmentId","daf106e2-8634-4349-bfcc-86c1df0793b2")

# Download the attachment data into bd.
bd = chilkat2.BinData()
success = http.QuickGetBd(url,bd)
if (success == False):
    print(http.LastErrorText)
    sys.exit()

print("Response Status Code: " + str(http.LastStatus))

if (http.LastStatus == 200):
    # Success
    # Save to a file..
    success = bd.WriteFile("qa_output/penguines.jpg")
else:
    # Failed.  bd contains error information..
    print(bd.GetString("utf-8"))