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Rename "barcode" module to "barcodes" to prevent import shadowing

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- Add 'barcode' support
This commit is contained in:
Oliver Walters
2021-02-22 15:15:25 +11:00
parent 23da591c22
commit caf4c293d9
10 changed files with 32 additions and 11 deletions
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30
InvenTree/report/templatetags/barcode.py
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@ -10,8 +10,8 @@ from io import BytesIO
from django import template
import qrcode
import barcode
import qrcode as python_qrcode
import barcode as python_barcode
register = template.Library()
@ -32,7 +32,7 @@ def image_data(img, fmt='PNG'):
@register.simple_tag()
def qr_code(data, **kwargs):
def qrcode(data, **kwargs):
"""
Return a byte-encoded QR code image
@ -54,11 +54,31 @@ def qr_code(data, **kwargs):
params.update(**kwargs)
qr = qrcode.QRCode(**params)
qr = python_qrcode.QRCode(**params)
qr.add_data(data, optimize=20)
qr.make(fit=True)
qri = qr.make_image(fill_color=fill_color, back_color=back_color)
return image_data(qri)
return image_data(qri)
@register.simple_tag()
def barcode(data, barcode_class='code128', **kwargs):
"""
Render a barcode
"""
constructor = python_barcode.get_barcode_class(barcode_class)
data = str(data).zfill(constructor.digits)
writer = python_barcode.writer.ImageWriter
barcode_image = constructor(data, writer=writer())
image = barcode_image.render(writer_options=kwargs)
# Render to byte-encoded PNG
return image_data(image)