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36 lines
969 B
36 lines
969 B
from models import Buyable, BuyableType, Purchase, Order
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from django.contrib import admin
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from django import forms
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from PIL import Image
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from django.core.files.uploadedfile import InMemoryUploadedFile
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class BuyableAdminForm(forms.ModelForm):
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""" Special BuyableAdminForm which checks the buyable image for an 1:1 aspect ratio. """
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class Meta:
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model = Buyable
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def clean_image(self):
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img = self.cleaned_data['image']
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width, height = (0, 0)
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if isinstance(img, InMemoryUploadedFile):
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i = Image.open(img)
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width, height = i.size
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else:
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width, height = img.width, img.height
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if width != height:
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raise forms.ValidationError("Aspect ratio of image should be 1:1 (width x height was (%dx%d))"% (width, height))
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return self.cleaned_data['image']
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class BuyableAdmin(admin.ModelAdmin):
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form = BuyableAdminForm
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admin.site.register(Buyable, BuyableAdmin)
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admin.site.register(BuyableType)
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admin.site.register(Purchase)
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admin.site.register(Order)
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