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#894332
#import multilingualfrom django.db import modelsfrom django.db.models.loading import get_modelimport reTYPE_IN_DESIGN_CHOICES=( ('FS', 'Flat Screen'), ('RC', 'Rotocolor'), ('RG', 'RGB'),)# return the maximum + 1 value of the code_name escaping any characterdef voodoo_magic(): return max([ int ( [ group if group.isdigit() else '' for group in re.match('([a-zA-Z_-]*)([0-9]+)([a-zA-Z_-]*)',bin.code_name).groups()][1] ) for bin in get_model('designs','Design').objects.all()]) + 1 class Design(models.Model): linked_product = models.ForeignKey('self',unique=True,blank=True,null=True) create_date = models.DateField(auto_now=True) update_date = models.DateField(auto_now_add=True) code_name = models.CharField(max_length=20,unique=True,default = lambda: voodoo_magic()) internal_code_name = models.CharField(max_length=20,unique=True) design_type = models.CharField(choices=TYPE_IN_DESIGN_CHOICES,max_length=2) dpi = models.IntegerField(max_length=4) enabled = models.BooleanField() image_thumb = models.ImageField(upload_to='image_thumbs') scale_1to1_preview = models.ImageField(upload_to='images_1to1_preview') archive = models.FileField(upload_to='products',null=True) def __str__(self): return self.code_name # helper method for visualization in list def image_thumbnail(self): return '<img src="%s" />' % self.get_image_thumb_url() image_thumbnail.allow_tags = True def image_scale(self): return '<img src="%s" />' % self.get_scale_1to1_preview_url() image_scale.allow_tags = True ############# class Admin: list_display = ('code_name','create_date','design_type','image_thumbnail','enabled','image_scale') fields = ( (None,{ 'classes': 'wide', 'fields': (('code_name','internal_code_name'),'enabled','dpi','design_type','linked_product','archive'), }), ('Images',{ 'fields':('image_thumb','scale_1to1_preview'), }), ) list_filter = ('design_type','dpi','enabled',) search_fields = ('description',)class Preview(models.Model): belong_Design = models.ForeignKey(Design,edit_inline=models.TABULAR) image_preview = models.ImageField(upload_to='images_preview',core=True)class Color_preview(models.Model): belong_Design = models.ForeignKey(Design,edit_inline=models.TABULAR) image_color = models.ImageField(upload_to='image_color_preview',core=True)