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840ade25cd
* Adds a very simple sample plugin for label printing * Test mixin install status and API query * Better error reporting for label printing API * pep fixes * fix assertation * remove broken assertation * igonre for coverage * test the base process of printing * refactor tests * clean up basic test * refactor url * fix url creation * test printing multiples * test all printing endpoints * test all list options - move api tests * test for invalid filters * refactor * test with no part * these should not happen checks are in place upstream * fix assertation * do not cover continue parts * test for wrong implementation * ignore DB not ready * remove covage from default parts * fix url generation * test debug mode * fix url assertation * check that nothing was rendered Co-authored-by: Oliver Walters <oliver.henry.walters@gmail.com>
53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
"""Functions to print a label to a mixin printer"""
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import logging
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from django.utils.translation import gettext_lazy as _
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import common.notifications
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from plugin.registry import registry
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logger = logging.getLogger('inventree')
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def print_label(plugin_slug, label_image, label_instance=None, user=None):
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"""
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Print label with the provided plugin.
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This task is nominally handled by the background worker.
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If the printing fails (throws an exception) then the user is notified.
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Arguments:
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plugin_slug: The unique slug (key) of the plugin
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label_image: A PIL.Image image object to be printed
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"""
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logger.info(f"Plugin '{plugin_slug}' is printing a label")
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plugin = registry.plugins.get(plugin_slug, None)
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if plugin is None: # pragma: no cover
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logger.error(f"Could not find matching plugin for '{plugin_slug}'")
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return
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try:
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plugin.print_label(label_image, width=label_instance.width, height=label_instance.height)
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except Exception as e: # pragma: no cover
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# Plugin threw an error - notify the user who attempted to print
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ctx = {
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'name': _('Label printing failed'),
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'message': str(e),
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}
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logger.error(f"Label printing failed: Sending notification to user '{user}'")
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# Throw an error against the plugin instance
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common.notifications.trigger_notifaction(
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plugin.plugin_config(),
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'label.printing_failed',
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targets=[user],
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context=ctx,
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delivery_methods=[common.notifications.UIMessageNotification]
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)
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