80 lines
1.9 KiB
Python
80 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
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"""
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pyBarcode
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=========
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This package provides a simple way to create standard barcodes.
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It needs no external packages to be installed, the barcodes are
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created as SVG objects. If Pillow is installed, the barcodes can also be
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rendered as images (all formats supported by Pillow).
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"""
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from barcode.errors import BarcodeNotFoundError
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from barcode.codex import Code39, PZN, Code128, Gs1_128
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from barcode.ean import EAN8, EAN13, EAN14, JAN
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from barcode.isxn import ISBN10, ISBN13, ISSN
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from barcode.upc import UPCA
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from barcode.itf import ITF
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from barcode.version import version # noqa: F401
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__BARCODE_MAP = dict(
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ean8=EAN8,
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ean13=EAN13,
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ean=EAN13,
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gtin=EAN14,
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ean14=EAN14,
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jan=JAN,
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upc=UPCA,
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upca=UPCA,
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isbn=ISBN13,
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isbn13=ISBN13,
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gs1=ISBN13,
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isbn10=ISBN10,
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issn=ISSN,
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code39=Code39,
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pzn=PZN,
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code128=Code128,
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itf=ITF,
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gs1_128=Gs1_128,
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)
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PROVIDED_BARCODES = list(__BARCODE_MAP)
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PROVIDED_BARCODES.sort()
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def get(name, code=None, writer=None, options=None):
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options = options or {}
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try:
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barcode = __BARCODE_MAP[name.lower()]
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except KeyError:
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raise BarcodeNotFoundError('The barcode {0!r} you requested is not '
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'known.'.format(name))
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if code is not None:
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return barcode(code, writer, **options)
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else:
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return barcode
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def get_class(name):
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return get_barcode(name)
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def generate(name, code, writer=None, output=None, writer_options=None,
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text=None, pil=False):
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options = writer_options or {}
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barcode = get(name, code, writer, options)
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if pil:
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return barcode.render(writer_options, text)
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if isinstance(output, str):
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fullname = barcode.save(output, options, text)
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return fullname
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else:
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barcode.write(output, options, text)
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get_barcode = get
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get_barcode_class = get_class
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