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a11418398f
* Added backend changes to support printing options * Pass printing options seperatly via kwargs for easier api refactor later * Implemented printing options in CUI * Fix js linting * Use translations for printing dialog * Added docs * Remove plugin and template fields from send printing options * Fix docs * Added tests * Fix tests * Fix options response and added test for it * Fix tests * Bump api version * Update docs * Apply suggestions from code review * Fix api change date
45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
"""Simple sample for a plugin with the LabelPrintingMixin.
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This does not function in real usage and is more to show the required components and for unit tests.
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"""
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from rest_framework import serializers
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from plugin import InvenTreePlugin
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from plugin.mixins import LabelPrintingMixin
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class SampleLabelPrinter(LabelPrintingMixin, InvenTreePlugin):
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"""Sample plugin which provides a 'fake' label printer endpoint."""
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NAME = "Sample Label Printer"
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SLUG = "samplelabelprinter"
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TITLE = "Sample Label Printer"
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DESCRIPTION = "A sample plugin which provides a (fake) label printer interface"
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AUTHOR = "InvenTree contributors"
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VERSION = "0.3.0"
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class PrintingOptionsSerializer(serializers.Serializer):
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"""Serializer to return printing options."""
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amount = serializers.IntegerField(required=False, default=1)
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def print_label(self, **kwargs):
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"""Sample printing step.
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Normally here the connection to the printer and transfer of the label would take place.
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"""
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# Test that the expected kwargs are present
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print(f"Printing Label: {kwargs['filename']} (User: {kwargs['user']})")
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pdf_data = kwargs['pdf_data']
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png_file = self.render_to_png(label=None, pdf_data=pdf_data)
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filename = 'label.pdf'
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# Dump the PDF to a local file
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with open(filename, 'wb') as pdf_out:
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pdf_out.write(pdf_data)
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# Save the PNG to disk
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png_file.save(filename.replace('.pdf', '.png'))
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