steenzout.barcode.codex module

Module: barcode.codex

Provided barcodes:  Code 39, Code 128, PZN

class Code128(code, writer=None)

Bases: steenzout.barcode.base.Barcode

Initializes a new Code128 instance. The checksum is added automatically when building the bars.

Parameters:

• code (str) – code 128 string without checksum (added automatically).
• writer (writer.BaseWriter) – instance of writer class to render the bar code.

build()

static calculate_checksum(code)

encoded

get_fullcode()

name = 'Code 128'

render(writer_options=None)

static validate(code)

class Code39(code, writer=None)

Bases: steenzout.barcode.base.Barcode

Initializes a new Code39 instance.

code

str

writer

writer.BaseWriter

writer class.

Parameters:

• code (str) – Code 39 string without * and checksum (added automatically if add_checksum is True).
• writer (writer Instance) – instance of writer class to render the bar code.
• add_checksum (bool) – add the checksum to code or not.

build()

static calculate_checksum(code)

get_fullcode()

name = 'Code 39'

render(writer_options=None)

static validate(code)

class PZN(code, writer=None)

Bases: steenzout.barcode.codex.Code39

Initializes new German number for pharmaceutical products.

Parameters:

• pzn (str) – code to render.
• writer (writer.BaseWriter) – instance of writer class to render the bar code.

build()

static calculate_checksum(code)

code39()

digits = 6

get_fullcode()

name = 'Pharmazentralnummer'

static validate(code)

check_code(code, name, allowed)