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Dynamsoft Barcode Reader SDK - Python API Reference

BarcodeReader Methods

Constructor and Destructor

Method Description
BarcodeReader Constructor of BarcodeReader object.

Decode

Method Description
decode_file Decodes barcodes from a specified image file.
decode_buffer Decodes barcodes from the memory buffer containing image pixels in defined format.
decode_file_stream Decodes barcodes from an image file in memory.
decode_buffer_manually Decodes barcodes from the memory buffer containing image pixels in defined format.
init_intermediate_result Inits an intermediateResult struct with default values.
decode_intermediate_results Decodes barcode from intermediate results.

Parameter and Runtime Settings

Basic

Method Description
set_mode_argument Sets the optional argument for a specified mode in Modes parameters.
get_mode_argument Gets the optional argument for a specified mode in Modes parameters.
get_runtime_settings Gets current runtime settings.
update_runtime_settings Update runtime settings with a given struct.
reset_runtime_settings Resets all parameters to default values.

Advanced

Method Description
init_runtime_settings_with_file Initializes runtime settings with the settings in a given JSON file.
init_runtime_settings_with_string Initializes runtime settings with the settings in a given JSON string.
append_template_file_to_runtime_settings Appends a new template file to the current runtime settings.
append_template_string_to_runtime_settings Appends a new template string to the current runtime settings.
get_all_template_names Gets the parameter templates name array.
output_settings_to_json_file Outputs runtime settings to a settings file (JSON file).
output_settings_to_json_string Outputs runtime settings to a string.

License

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 license from the license content on client machine for offline 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.

Video

Decode

Method Description
start_video_mode Starts a new thread to decode barcodes from the inner frame queue.
append_video_frame Appends a frame image buffer to the inner frame queue.
stop_video_mode Stops the frame decoding thread created by start_video_mode().

Parameter

Method Description
init_frame_decoding_parameters Initializes frame decoding parameters.

Status retrieval

Method Description
get_length_of_frame_queue Gets length of current inner frame queue.

BarcodeReader Attributes

Attribute Description
version dbr-python version
dbr_version Dynamsoft Barcode Reader version

Error Code

Classes

Enumerations

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