forms.py 文件源码

def clean_data(self):
        file = self.cleaned_data['data']

        # We ensure file have correct mime type
        allowed_types = self.folder.allowed_types.all()
        mime = magic.Magic(mime=True, magic_file=settings.MAGIC_BIN)
        if mime.from_file(file.temporary_file_path()) not in [type.mime_type for type in allowed_types]:
            raise forms.ValidationError("Ce type de fichier n'est pas autorisé")

        if file is not None and file.size > settings.PORTAILVA_APP['file']['file_max_size']:
            raise forms.ValidationError("Votre fichier est trop lourd, la limite autorisée est de " +
                                        str(settings.PORTAILVA_APP['file']['file_max_size'] // (1024 * 1024)) + "Mo")

        return file