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BarcodeReader License Methods - Dynamsoft Barcode Reader SDK Python Edition API Reference
This page shows BarcodeReader License Methods of Dynamsoft Barcode Reader SDK Python Edition.
init_license, init_license_from_server, init_license_from_license_content, output_license_to_string, license methods, BarcodeReader, api reference, python
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/programming/python/api-reference/BarcodeReader/license-v8.2.0.html

Python API Reference - BarcodeReader License Methods

Method Description
init_license Reads product key and activates the SDK.
init_license_from_server Initializes license and connect to the specified server for online verification.
init_license_from_license_content Initializes barcode reader license and connects to the specified server for online verification.
output_license_to_string Outputs the license content as an encrypted string from the license server to be used for offline license verification.
init_lts_connection_parameters Initializes a DMLTSConnectionParameters struct with default values.
init_license_from_lts Initializes the barcode reader license and connects to the specified server for online verification.

init_license

Reads product key and activates the SDK.

BarcodeReader.init_license(dbr_license)

Parameters

[in] dbr_license <str> : The product keys.

Return value

error <tuple> : error_code = error[0], error_message = error[1], if error_code != EnumErrorCode.DBR_OK, you can get the detailed error message by error_message.

init_license_from_server

Initialize the license and connect to the specified server for online verification.

BarcodeReader.init_license_from_server(license_server, license_key)

Parameters

  • [in] license_server <str> : The name/IP of the license server.
  • [in] license_key <str> : The license key of Barcode Reader.

Return value

error <tuple> : error_code = error[0], error_message = error[1], if error_code != EnumErrorCode.DBR_OK, you can get the detailed error message by error_message.

init_license_from_license_content

Initializes barcode reader license from the license content on the client machine for offline verification.

BarcodeReader.init_license_from_license_content(license_key, license_content)

Parameters

[in] license_key <str> : The license key of Barcode Reader.
[in] license_content <str> : An encrypted string representing the license content (runtime number, expiry date, barcode type, etc.) obtained from the method output_license_to_string().

Return value

error <tuple> : error_code = error[0], error_message = error[1], if error_code != EnumErrorCode.DBR_OK, you can get the detailed error message by error_message.

output_license_to_string

Outputs the license content as an encrypted string from the license server to be used for offline license verification.

BarcodeReader.output_license_to_string()

Return value

license_string <str> : An encrypted string which stores the content of license.

Exception

BarcodeReaderError : If error happens, this function will throw a BarcodeReaderError exception that can report the detailed error message.

init_lts_connection_parameters

Initializes a DMLTSConnectionParameters struct with default values.

BarcodeReader.init_lts_connection_parameters()

Return value

DMLTSConnectionParameters <class DMLTSConnectionParameters> : A DMLTSConnectionParameters struct with default values.

init_license_from_lts

Initializes the barcode reader license and connects to the specified server for online verification.

BarcodeReader.init_license_from_lts(lts_connection_parameters)

Parameters

  • [in] lts_connection_parameters <class DMLTSConnectionParameters> : The struct DMLTSConnectionParameters with customized settings.

Return value

error <tuple> : error_code = error[0], error_message = error[1], if error_code != EnumErrorCode.DBR_OK, you can get the detailed error message by error_message.