15 lines
550 B
Python
15 lines
550 B
Python
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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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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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