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  • Committer: Holger Rapp
  • Date: 2019-06-21 18:34:42 UTC
  • mfrom: (540.1.3 update_ops_script)
  • Revision ID: sirver@gmx.de-20190621183442-y2ulybzr0rdvfefd
Adapt the update script for the new server.

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wlimages/forms.py
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from django import forms
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from models import Image
 
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from .models import Image
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import os
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class UploadImageForm(forms.Form):
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    imagename = forms.ImageField()
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    def clean_imagename( self ):
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        name = self.cleaned_data["imagename"]
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        if Image.objects.has_image(name.name.lower()):
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            raise forms.ValidationError, "An Image with this name already exists. Please rename and upload again."
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    # max_length = 90 because the length of 'upload_to =' has to be considered
 
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    imagename = forms.ImageField(max_length=90)
 
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    def clean_imagename(self):
 
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        # clean_<name_of_fieldvar>() acts only for this specific field
 
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        in_mem_img = self.cleaned_data['imagename']
 
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        if Image.objects.has_image(in_mem_img.name):
 
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            # Get the existing image to show its properties
 
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            exist_img = Image.objects.get(name=in_mem_img.name)
 
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            raise forms.ValidationError(
 
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                ("There is already an image with name '%(name)s' attached to %(object)s '%(obj_name)s'. \
 
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                 Use the existing image or rename your file and upload gain."),
 
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                params={'name': exist_img.name, 'object': exist_img.content_type,
 
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                        'obj_name': exist_img.content_object}
 
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            )