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35 lines
1.3 KiB
Python
35 lines
1.3 KiB
Python
from django.db import models
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from django.core.exceptions import ValidationError
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from django.utils.translation import gettext_lazy as _
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class RestrictedFileField(models.FileField):
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def __init__(self, *args, **kwargs):
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if "max_upload_size" in kwargs:
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self.max_upload_size = kwargs.pop("max_upload_size")
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else:
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self.max_upload_size = None
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if "content_types" in kwargs:
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self.content_types = kwargs.pop("content_types")
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else:
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self.content_types = None
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super(RestrictedFileField, self).__init__(*args, **kwargs)
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def clean(self, *args, **kwargs):
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data = super(RestrictedFileField, self).clean(*args, **kwargs)
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f = data.file
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try:
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content_type = f.content_type
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if self.content_types is not None and content_type not in self.content_types:
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raise ValidationError(_('Filetype not supported.'))
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if self.max_upload_size is not None and f._size > self.max_upload_size:
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raise ValidationError(_('Please keep filesize under {}. '
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'Current filesize: '
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'{}').format(self.max_upload_size,
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f._size))
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except AttributeError as e:
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print(e)
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return data
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