30 lines
1004 B
Python
30 lines
1004 B
Python
import zipfile
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from django import forms
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from django.utils.translation import ugettext_lazy as _
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from django.template.defaultfilters import filesizeformat
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from regluit.core.isbn import ISBN
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class EpubFileField(forms.FileField):
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"""
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does some epub checking; currently only checks its a zip:
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"""
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def clean(self, data, initial=None):
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data = super(EpubFileField, self).clean(data, initial)
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if data.name and not zipfile.is_zipfile(data.file):
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raise forms.ValidationError(_('%s is not a valid EPUB file' % data.name) )
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return data
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class ISBNField(forms.CharField):
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def to_python(self, value):
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value=super(ISBNField,self).to_python(value)
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if not value:
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return ''
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elif value == 'delete':
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return value
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self.isbn=ISBN(value)
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if self.isbn.error:
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raise forms.ValidationError(self.isbn.error)
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self.isbn.validate()
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return self.isbn.to_string()
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