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68 lines
2.0 KiB
Python
68 lines
2.0 KiB
Python
import logging
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from django.dispatch import receiver
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from django.utils.module_loading import import_string
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from django.conf import settings
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from django.db import models
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from core.models import Image
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from django_images.models import Thumbnail
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_plugins = getattr(settings, "ENABLED_PLUGINS", [])
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_plugin_instances = []
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def _load_plugins():
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for plugin_path in _plugins:
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plugin_cls = import_string(plugin_path)
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_plugin_instances.append(plugin_cls())
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@receiver(models.signals.pre_save, sender=Image)
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def process_image_pre_creation(sender, instance: Image, **kwargs):
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# FIXME(winkidney): May have issue on determining if it
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# is created or not
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if instance.pk is not None:
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return
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for plugin in _plugin_instances:
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process_fn = getattr(plugin, "process_image_pre_creation", None)
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if process_fn is None:
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continue
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try:
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process_fn(
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django_settings=settings,
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image_instance=instance,
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)
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except Exception:
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logging.exception(
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"Error occurs while trying to access plugin's pin_pre_save "
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"for plugin %s" % plugin
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)
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@receiver(models.signals.pre_save, sender=Thumbnail)
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def process_thumbnail_pre_creation(sender, instance: Thumbnail, **kwargs):
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# FIXME(winkidney): May have issue on determining if it
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# is created or not
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if instance.pk is not None:
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return
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for plugin in _plugin_instances:
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process_fn = getattr(plugin, "process_thumbnail_pre_creation", None)
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if process_fn is None:
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continue
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try:
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process_fn(
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django_settings=settings,
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thumbnail_instance=instance,
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)
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except Exception:
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logging.exception(
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"Error occurs while trying to access plugin's process_thumbnail_pre_creation "
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"for plugin %s" % plugin
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)
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def init():
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_load_plugins()
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