def crop_and_upload_image_to_popit(
self, image_file, crop_bounds, moderator_why_allowed, make_primary
):
original = PillowImage.open(image_file)
# Some uploaded images are CYMK, which gives you an error when
# you try to write them as PNG, so convert to RGBA (this is
# RGBA rather than RGB so that any alpha channel (transparency)
# is preserved).
person_id = self.queued_image.person.id
person = Person.objects.get(pk=person_id)
original = original.convert("RGBA")
cropped = original.crop(crop_bounds)
ntf = NamedTemporaryFile(delete=False)
cropped.save(ntf.name, "PNG")
md5sum = get_file_md5sum(ntf.name)
filename = str(person_id) + "-" + str(uuid.uuid4()) + ".png"
if self.queued_image.user:
uploaded_by = self.queued_image.user.username
else:
uploaded_by = "a script"
source = "Uploaded by {uploaded_by}: Approved from photo moderation queue".format(
uploaded_by=uploaded_by
)
if make_primary:
# Unset the is_primary flag on all other images
PersonImage.objects.filter(person_id=person_id).update(
is_primary=False
)
PersonImage.objects.create_from_file(
ntf.name,
join("images", filename),
defaults={
"person": person,
"source": source,
"is_primary": make_primary,
"md5sum": md5sum,
"uploading_user": self.queued_image.user,
"user_notes": self.queued_image.justification_for_use,
"copyright": moderator_why_allowed,
"user_copyright": self.queued_image.why_allowed,
"notes": "Approved from photo moderation queue",
},
)
if make_primary:
sorl_delete(person.primary_image.file, delete_file=False)
# Update the last modified date, so this is picked up
# as a recent edit by API consumers
person.save()
def _invertcolors(self, id):
from django.http.response import HttpResponse
photo = Photo.objects.filter(pk=id.split('/')[0]).first()
if photo:
photo_path = settings.MEDIA_ROOT + '/' + str(photo.image)
img = Image.open(photo_path)
inverted_grayscale_image = ImageOps.invert(img).convert('L')
inverted_grayscale_image.save(photo_path)
photo.invert = not photo.invert
sorl_delete(photo.image, delete_file=False)
photo.light_save()
return HttpResponse(u'Photo inverted!')
return HttpResponse(u'Failed to invert photo!')