Electronically update or replace signatures from your signed PDF documents programmatically using a REST API in Python.

EditSignaturesinSignedPDF_Python

Edit Signatures in Signed PDF Documents
1. Programmatically upload a PDF file on the cloud
2. Update Signatures in Sign PDF Documents programmatically on the cloud using a REST API in Python. 
3. Search and Replace signatures from a Signed PDF document programmatically using Python.
4. Download the signed file from the cloud.

EditSignaturesinSignedPDF_Python_AddClientIdSecret.py

client_id = "112f0f38-9dae-42d5-b4fc-cc84ae644972"
client_secret = "16ad3fe0bdc39c910f57d2fd48a5d618"

configuration = groupdocs_signature_cloud.Configuration(client_id, client_secret)
configuration.api_base_url = "https://api.groupdocs.cloud"
my_storage = ""

EditSignaturesinSignedPDF_Python_DownloadFile.py

# api initialization
file_api = groupdocs_signature_cloud.FileApi.from_config(configuration)

request = groupdocs_signature_cloud.DownloadFileRequest("signed.pdf", my_storage)
response = file_api.download_file(request)

# Move downloaded file to your working directory
shutil.move(response, "C:\\Files\\")

EditSignaturesinSignedPDF_Python_ReplaceSignatures.py

# api initialization
api = groupdocs_signature_cloud.SignApi.from_keys(client_id, client_secret)

# qr code signed document path
fileInfo = groupdocs_signature_cloud.FileInfo()
fileInfo.file_path = "signed.pdf"

# search qr code
opts = groupdocs_signature_cloud.SearchQRCodeOptions()
opts.page = 1
opts.signature_type = 'QRCode'

settings = groupdocs_signature_cloud.SearchSettings()
settings.options = [opts]
settings.file_info = fileInfo

request = groupdocs_signature_cloud.SearchSignaturesRequest(settings)
response = api.search_signatures(request)

# delete qr code
opts = groupdocs_signature_cloud.DeleteOptions()
opts.page = 1
opts.signature_type = 'QRCode'
opts.signature_id = response.signatures[0].signature_id

settings = groupdocs_signature_cloud.DeleteSettings()
settings.options = [opts]
settings.file_info = fileInfo

request = groupdocs_signature_cloud.DeleteSignaturesRequest(settings)
response = api.delete_signatures(request)

# sign with barcode
opts = groupdocs_signature_cloud.SignBarcodeOptions()
opts.signature_type = 'Barcode'
opts.text = '123456789012'
opts.barcode_type = 'Code128'
opts.code_text_alignment = 'None'

# set barcode signature position on a page
opts.left = 250
opts.top = 0
opts.width = 300
opts.height = 90
opts.location_measure_type = "Pixels"
opts.size_measure_type = "Pixels"
opts.stretch = "None"
opts.rotation_angle = 0
opts.horizontal_alignment = "None"
opts.vertical_alignment = "None"
opts.margin = groupdocs_signature_cloud.Padding()
opts.margin.all = 5
opts.margin_measure_type = "Pixels"

opts.inner_margins = groupdocs_signature_cloud.Padding()
opts.inner_margins.all = 2

opts.page = 1

settings = groupdocs_signature_cloud.SignSettings()
settings.options = [opts]
settings.save_options = groupdocs_signature_cloud.SaveOptions()
settings.save_options.output_file_path = "Output\\signedBarCode_sample.pdf"
settings.file_info = fileInfo

request = groupdocs_signature_cloud.CreateSignaturesRequest(settings)
response = api.create_signatures(request)

EditSignaturesinSignedPDF_Python_UpdateSignatures.py

# api initialization
api = groupdocs_signature_cloud.SignApi.from_keys(client_id, client_secret)

# signed document path
fileInfo = groupdocs_signature_cloud.FileInfo()
fileInfo.file_path = "signed.pdf"

# search qr code
opts = groupdocs_signature_cloud.SearchQRCodeOptions()
opts.page = 1
opts.signature_type = 'QRCode'

settings = groupdocs_signature_cloud.SearchSettings()
settings.options = [opts]
settings.file_info = fileInfo

request = groupdocs_signature_cloud.SearchSignaturesRequest(settings)
response = api.search_signatures(request)

# update qr code
opts = groupdocs_signature_cloud.UpdateOptions()
opts.page = 1
opts.signature_type = 'QRCode'
opts.signature_id = response.signatures[0].signature_id
opts.left = 450
opts.top = 600
opts.width = 90
opts.height = 90
opts.is_signature = True

settings = groupdocs_signature_cloud.UpdateSettings()
settings.options = [opts]
settings.file_info = fileInfo

request = groupdocs_signature_cloud.UpdateSignaturesRequest(settings)
response = api.update_signatures(request)

EditSignaturesinSignedPDF_Python_UploadSignedFile.py

# api initialization
file_api = groupdocs_signature_cloud.FileApi.from_config(configuration)

# upload sample files
request = groupdocs_signature_cloud.UploadFileRequest("signed.pdf", "C:\\Files\\signed.pdf", my_storage)
response = file_api.upload_file(request)