'''
thumbnailer = get_thumbnailer(instance.image)
thumbnailer.delete_thumbnails()
instance.image.delete(save=False)
@receiver(pre_save, sender=ExerciseImage)
def delete_exercise_image_on_update(sender, instance, **kwargs):
'''
Delete the corresponding image from the filesystem when the an ExerciseImage
object was changed
'''
if not instance.pk:
return False
try:
old_file = ExerciseImage.objects.get(pk=instance.pk).image
except ExerciseImage.DoesNotExist:
return False
new_file = instance.image
if not old_file == new_file:
thumbnailer = get_thumbnailer(instance.image)
thumbnailer.delete_thumbnails()
instance.image.delete(save=False)
# Generate thumbnails when uploading a new image
saved_file.connect(generate_aliases)
from django.db import models
from easy_thumbnails.signals import saved_file
from easy_thumbnails.signal_handlers import generate_aliases_global
# Create your models here.
class Picture(models.Model):
title = models.CharField(max_length=80)
path = models.ImageField(upload_to="gallery/")
uploaded_on = models.DateTimeField(auto_now_add=True)
def __str__(self):
return self.title
class Meta:
ordering = ['-uploaded_on']
saved_file.connect(generate_aliases_global)
from django.db import models
from easy_thumbnails.signals import saved_file
from easy_thumbnails.signal_handlers import generate_aliases_global
class TimestampedModel(models.Model):
creation_timestamp = models.DateTimeField(auto_now_add=True)
last_modified = models.DateTimeField(auto_now=True)
class Meta:
abstract = True
#to pre-generate the thumbnails globally
saved_file.connect(generate_aliases_global, dispatch_uid='pre-generation-of-thumbnails')
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.conf import settings
from django_cleanup.signals import cleanup_post_delete
from django_cleanup.signals import cleanup_pre_delete
from easy_thumbnails.files import get_thumbnailer
from easy_thumbnails.signals import saved_file
from easy_thumbnails.signal_handlers import generate_aliases_global
import shutil
import os
saved_file.connect(generate_aliases_global)
def delete_thumbnails(**kwargs):
kwargs['file'].old_path = kwargs['file'].path
get_thumbnailer(kwargs['file']).delete_thumbnails()
cleanup_pre_delete.connect(delete_thumbnails)
def cleanup_empty_dirs(**kwargs):
# initially set first dir path of file ...
path = os.path.dirname(kwargs['file'].old_path)
# ... and remove all empty parent directories
while True:
if path == settings.MEDIA_ROOT:
break
if len(os.listdir(path)) == 0:
from django.core.exceptions import ValidationError
from django.db import models
from easy_thumbnails.signals import saved_file
from easy_thumbnails.signal_handlers import generate_aliases
from base.overrides import overrides
from content import url_scheme
from content.models import ContentItem, Note
from content.slug import SlugLogicMixin, SlugFieldMixin
from content.trevor import render_trevor, put_text_in_trevor
from songs.lyrics import contain_extra_chords
from songs.lyrics import parse_lyrics
from songs.transpose import transpose_lyrics
saved_file.connect(generate_aliases)
class Artist(SlugFieldMixin):
HELP_NAME = 'Imię i nazwisko wykonawcy lub nazwa zespołu.'
HELP_FEATURED = 'Czy podmiot ma figurować w spisie treści.'
HELP_CATEGORY = 'Kategoria w spisie treści śpiewnika.'
HELP_WEBSITE = 'Strona internetowa artysty.'
HELP_IMAGE = 'Ilustracja - zdjęcie artysty.'
HELP_IMAGE_URL = 'Źródło zdjęcia (adres www).'
HELP_IMAGE_AUTHOR = 'Źródło zdjęcia (autor).'
HELP_DESCRIPTION = 'Krótki opis podmiotu w stylu encyklopedycznym.'
HELP_BORN_ON = 'Data urodzin.'
HELP_DIED_ON = 'Data śmierci.'
CAT_TEXTER = 1
