You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
1.9 KiB
69 lines
1.9 KiB
# -*- coding:utf-8 -*-
|
|
from django.db import models
|
|
from djing.settings import BASE_DIR
|
|
import os
|
|
from PIL import Image
|
|
import time
|
|
import hashlib
|
|
|
|
|
|
class Photo(models.Model):
|
|
image = models.ImageField(width_field='wdth', height_field='heigt')
|
|
wdth = models.PositiveSmallIntegerField(null=True, blank=True, editable=False, default="759")
|
|
heigt = models.PositiveSmallIntegerField(null=True, blank=True, editable=False)
|
|
|
|
def __unicode__(self):
|
|
return "{0}".format(self.image)
|
|
|
|
def big(self):
|
|
return self.image.url
|
|
|
|
def min(self):
|
|
pth = self.image.url.split('/')[-1:][0]
|
|
return "/media/min/%s" % pth
|
|
|
|
def save(self, *args, **kwargs):
|
|
if not self.image:
|
|
return
|
|
|
|
super(Photo, self).save()
|
|
|
|
im = Image.open(self.image.path)
|
|
im.thumbnail((759, 759), Image.ANTIALIAS)
|
|
|
|
hs = hashlib.md5(str(time.time())).hexdigest()
|
|
ext = self.image.path.split('.')[1:][0]
|
|
fname = "%s/media/%s.%s" % (BASE_DIR, hs, ext)
|
|
|
|
im.save(fname)
|
|
os.remove(self.image.path)
|
|
self.image = "%s.%s" % (hs, ext)
|
|
super(Photo, self).save()
|
|
|
|
|
|
#class Meta:
|
|
# unique_together = (('image',),)
|
|
|
|
|
|
def resize_image(sender, instance, **kwargs):
|
|
if not kwargs['created']:
|
|
im = Image.open(instance.image.path)
|
|
im.thumbnail((200, 121), Image.ANTIALIAS)
|
|
pth = instance.image.path.split('/')[-1:][0]
|
|
fullpath = "%s/media/min/%s" % (BASE_DIR, pth)
|
|
im.save(fullpath)
|
|
|
|
|
|
|
|
def post_delete_photo(sender, instance, **kwargs):
|
|
min_fname = instance.image.path.split('/')[-1:][0]
|
|
try:
|
|
os.remove('%s/media/min/%s' % (BASE_DIR, min_fname))
|
|
os.remove(instance.image.path)
|
|
except OSError:
|
|
pass
|
|
|
|
|
|
|
|
models.signals.post_save.connect(resize_image, sender=Photo)
|
|
models.signals.post_delete.connect(post_delete_photo, sender=Photo)
|