models.py 文件源码

def get_or_import_file(self, options):
        assert self.post_type == 'attachment'
        if self.file:
            return self.file
        # download content into deleted temp_file
        temp_file = NamedTemporaryFile(delete=True)
        temp_file.write(urlopen(force_bytes(self.guid)).read())
        temp_file.flush()
        # create DjangoFile object
        django_file = DjangoFile(temp_file, name=self.guid.split('/')[-1])
        # choose folder
        if self.parent:
            folder = self.parent.get_or_create_folder(options)
        else:
            folder = options.file_folder
        # import file
        self.file = FileImporter().import_file(file_obj=django_file, folder=folder)
        # set date and owner
        self.file.created_at = self.pub_date
        self.file.owner = self.created_by.user
        self.file.save()
        # return imported file
        self.save()
        return self.file