Better to set the upload filesize limit on your server eg Apache's has
a directive for max file size. Otherwise the file will be uploaded and
checked anyway.
If you want to report an error to the user you could use validation on
the form. The code below returns a error if a file extension is not
allowed.
from django import forms
from os.path import splitext
from django.utils.translation import gettext as _
class VideoField(forms.FileField):
default_error_messages = {'invalid_video': _(u"Please upload
a .wmv , .mov, .mp4 or .3pg"),}
def clean(self, data, initial=None):
f = super(VideoField, self).clean(data, initial)
if f is None:
return None
elif not data and initial:
return initial
file_exts = ('.mp4', '.mov', '.wmv', '.3gp',)
if not splitext(f.name)[1].lower() in file_exts:
raise
forms.ValidationError(self.error_messages['invalid_video'])
return f
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