def save(self, force_update=False, force_insert=False,
thumb_size=(IMAGE_MAX_HEIGHT, IMAGE_MAX_WIDTH)):
"""Save the article.
This will save thumbnail on disk and then save the model in database.
"""
self.slug = slugify(self.title)
if has_changed(self, 'image') and self.image:
# TODO : delete old image
image = Image.open(self.image)
if image.mode not in ('L', 'RGB'):
image = image.convert('RGB')
image.thumbnail(thumb_size, Image.ANTIALIAS)
# save the thumbnail to memory
temp_handle = StringIO()
image.save(temp_handle, 'png')
temp_handle.seek(0) # rewind the file
# save to the thumbnail field
suf = SimpleUploadedFile(os.path.split(self.image.name)[-1],
temp_handle.read(),
content_type='image/png')
self.thumbnail.save('{}.png'.format(suf.name), suf, save=False)
# save the image object
super().save(force_update, force_insert)
else:
super().save()
def save(self, *args, **kwargs):
"""Save tutorial instance.
If tutorial's image was changed, it will update its thumbnail field
resizing it. Then it will call normal saving of the model.
"""
is_new = self.pk is None
thumb_size = (IMAGE_MAX_HEIGHT, IMAGE_MAX_WIDTH)
# Save the tutorial first if it was created in order to have a pk from
# the database.
if is_new:
super().save(*args, **kwargs)
# Compute tutorial's slug from its title
self.slug = slugify(self.title)
# Update the thumbnail if necessary
if self.image and (is_new or has_changed(self, 'image')):
# TODO : delete old image
image = Image.open(self.image)
if image.mode not in ('L', 'RGB'):
image = image.convert('RGB')
image.thumbnail(thumb_size, Image.ANTIALIAS)
# Save the thumbnail to memory
temp_handle = io.BytesIO()
image.save(temp_handle, 'png')
temp_handle.seek(0) # rewind the file
# Save to the thumbnail field
suf = SimpleUploadedFile(os.path.split(self.image.name)[-1],
temp_handle.read(),
content_type='image/png')
self.thumbnail.save(u'{}.png'.format(suf.name), suf, save=False)
# Save the tutorial
super().save(*args, **kwargs)
def save(self, *args, **kwargs):
"""Save tutorial instance.
If tutorial's image was changed, it will update its thumbnail field
resizing it. Then it will call normal saving of the model.
"""
is_new = self.pk is None
thumb_size = (IMAGE_MAX_HEIGHT, IMAGE_MAX_WIDTH)
# Save the tutorial first if it was created in order to have a pk from
# the database.
if is_new:
super().save(*args, **kwargs)
# Compute tutorial's slug from its title
self.slug = slugify(self.title)
# Update the thumbnail if necessary
if self.image and (is_new or has_changed(self, 'image')):
# TODO : delete old image
image = Image.open(self.image)
if image.mode not in ('L', 'RGB'):
image = image.convert('RGB')
image.thumbnail(thumb_size, Image.ANTIALIAS)
# Save the thumbnail to memory
temp_handle = io.BytesIO()
image.save(temp_handle, 'png')
temp_handle.seek(0) # rewind the file
# Save to the thumbnail field
suf = SimpleUploadedFile(os.path.split(self.image.name)[-1],
temp_handle.read(),
content_type='image/png')
self.thumbnail.save(u'{}.png'.format(suf.name), suf, save=False)
# Save the tutorial
super().save(*args, **kwargs)
def save(self,
force_update=False,
force_insert=False,
thumb_size=(IMAGE_MAX_HEIGHT, IMAGE_MAX_WIDTH)):
"""Save the chapter.
This will update the chapter's thumbnail if its image was changed and
then save the model.
"""
self.slug = slugify(self.title)
if has_changed(self, 'image') and self.image:
# TODO : delete old image
image = Image.open(self.image)
if image.mode not in ('L', 'RGB'):
image = image.convert('RGB')
image.thumbnail(thumb_size, Image.ANTIALIAS)
# save the thumbnail to memory
temp_handle = io.StringIO()
image.save(temp_handle, 'png')
temp_handle.seek(0) # rewind the file
# save to the thumbnail field
suf = SimpleUploadedFile(os.path.split(self.image.name)[-1],
temp_handle.read(),
content_type='image/png')
self.thumbnail.save('{}.png'.format(suf.name), suf, save=False)
# save the image object
super().save(force_update, force_insert)
else:
super().save()
