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Update app.py
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app.py
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import gradio as gr
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import weasyprint
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import base64
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import os
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from bs4 import BeautifulSoup # HTML解析用
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def display_html(html_code):
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return f"""
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}
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"""
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def generate_pdf_and_link(html_code):
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"""
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HTMLからPDFを生成し、プレビューとダウンロードリンクを返す。
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"""
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# 1. HTMLプレビューの生成 (display_htmlを再利用)
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preview_html = display_html(html_code)
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# 2. PDFファイル名の決定
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soup = BeautifulSoup(html_code, 'html.parser')
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title_tag = soup.find('title')
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if title_tag:
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file_name = title_tag.string.strip() + ".pdf" # 空白文字を除去
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else:
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file_name = "output.pdf"
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# 3. PDF生成
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html = weasyprint.HTML(string=html_code)
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pdf_bytes = html.write_pdf()
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# 4. PDFを一時ファイルとして保存 (Hugging Face Spaceでは/tmpが書き込み可能)
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pdf_path = os.path.join('/tmp', file_name)
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with open(pdf_path, 'wb') as f:
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f.write(pdf_bytes)
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# 5. ダウンロードリンクの作成
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# GradioのFileコンポーネントを使ってダウンロードリンクを作る
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download_link = pdf_path
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# 6. プレビューとリンクを返す
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return preview_html, download_link
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with gr.Blocks(theme=theme, title="HTML Viewer", css=css) as demo:
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gr.Markdown(
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"""
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placeholder="ここにHTMLコードを貼り付けてください...",
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lines=10
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)
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pdf_button = gr.Button("PDFで保存", variant="secondary")
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with gr.Column(scale=3):
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output_html = gr.HTML(label="プレビュー")
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output_pdf = gr.File(label="PDFダウンロード") # ファイル出力コンポーネント
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submit_button.click(
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display_html,
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outputs=output_html
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)
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pdf_button.click(
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generate_pdf_and_link,
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inputs=input_textbox,
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outputs=[output_html, output_pdf] # プレビューとファイルを出力
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)
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#サンプル
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gr.Examples(
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[["<h1>Hello world</h1>"],["""
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import gradio as gr
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def display_html(html_code):
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return f"""
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}
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"""
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with gr.Blocks(theme=theme, title="HTML Viewer", css=css) as demo:
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gr.Markdown(
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"""
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placeholder="ここにHTMLコードを貼り付けてください...",
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lines=10
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)
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submit_button = gr.Button("表示", variant="primary") # スタイルを元に戻す
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with gr.Column(scale=3):
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output_html = gr.HTML(label="プレビュー")
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submit_button.click(
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display_html,
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outputs=output_html
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)
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#サンプル
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gr.Examples(
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[["<h1>Hello world</h1>"],["""
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