terminal.py 文件源码

def html(self):
        """
        Returns :attr:`self.file_obj` as an <img> tag with the src set to a
        data::URI.
        """
        if not self.file_obj:
            return u""
        self.file_obj.seek(0)
        # Need to encode base64 to create a data URI
        encoded = base64.b64encode(self.file_obj.read())
        data_uri = "data:{mimetype};base64,{encoded}".format(
            mimetype=self.mimetype, encoded=encoded.decode('utf-8'))
        link = "%s/%s" % (self.linkpath, os.path.split(self.path)[1])
        if self.original_file:
            link = "%s/%s" % (
                self.linkpath, os.path.split(self.original_file.name)[1])
        if self.thumbnail:
            return self.html_icon_template.format(
                link=link,
                src=data_uri,
                icon=self.thumbnail,
                mimetype=self.mimetype)
        return self.html_template.format(
            link=link, src=data_uri, mimetype=self.mimetype)