textbox_with_upload.py

import gradio as gr
from gradio.components import Textbox
from gradio.components.base import Component
from gradio import component

@component
class TextboxWithUpload(Textbox):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.upload_button = None
        self.add_upload_button()

    def add_upload_button(self):
        self.upload_button = gr.UploadButton("📎", file_types=["text"], file_count="single")
        self.upload_button.upload(self.handle_upload, inputs=[self.upload_button], outputs=[self])

    def handle_upload(self, file):
        if file:
            return file.name
        return ""

    def get_template_context(self):
        context = super().get_template_context()
        if self.upload_button:
            context["upload_button"] = self.upload_button.get_template_context()
        return context

    def get_block_name(self):
        return "textboxwithupload"