Update app.py
Browse files
app.py
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import gradio as gr
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from fastapi import FastAPI, HTTPException
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from fastapi.responses import StreamingResponse
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from fastapi.staticfiles import StaticFiles
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from fastapi.middleware.cors import CORSMiddleware
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import time
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import os
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import logging
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from huggingface_hub import hf_hub_download
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#
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# ロギング設定
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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#
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class GeminiRequest(BaseModel):
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"""Geminiへのリクエストデータモデル"""
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text: str
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extension_percentage: float = 10.0
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temperature: float = 0.5
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trim_whitespace: bool = True
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style: str = "standard"
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class ScreenshotRequest(BaseModel):
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"""スクリーンショットリクエストモデル"""
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html_code: str
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extension_percentage: float = 10.0
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trim_whitespace: bool = True
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style: str = "standard"
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#
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def enhance_font_awesome_layout(html_code):
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"""Font Awesomeレイアウトを改善するCSSを追加"""
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# CSSを追加
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fa_fix_css = """
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<style>
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[class*="fa-"] {
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}
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h4 [class*="fa-"], h5 [class*="fa-"], h6 [class*="fa-"] {
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vertical-align: middle !important;
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margin-right: 10px !important;
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}
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/* 特定パターンの修正 */
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.fa + span, .fas + span, .far + span, .fab + span,
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span + .fa, span + .fas, span + .far + span {
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display: inline-block !important;
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margin-left: 5px !important;
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}
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/* カード内アイコン修正 */
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.card [class*="fa-"], .card-body [class*="fa-"] {
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float: none !important;
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clear: none !important;
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position: relative !important;
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}
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/* アイコンと文字が重なる場合の調整 */
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li [class*="fa-"], p [class*="fa-"] {
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margin-right: 10px !important;
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}
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/* インラインアイコンのスペーシング */
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.inline-icon {
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display: inline-flex !important;
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align-items: center !important;
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justify-content: flex-start !important;
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}
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/* アイコン後のテキスト */
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[class*="fa-"] + span {
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display: inline-block !important;
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vertical-align: middle !important;
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}
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</style>
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"""
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# headタグがある場合はその中に追加
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if '<head>' in html_code:
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return html_code.replace('</head>', f'{fa_fix_css}</head>')
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# HTMLタグがある場合はその後に追加
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elif '<html' in html_code:
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head_end = html_code.find('</head>')
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if head_end > 0:
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return html_code[:head_end] + fa_fix_css + html_code[head_end:]
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return html_code[:body_start] + f'<head>{fa_fix_css}</head>' + html_code[body_start:]
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# どちらもない場合は先頭に追加
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return f'<html><head>{fa_fix_css}</head>' + html_code + '</html>'
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def load_system_instruction(style="standard"):
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"""
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"""
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try:
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logger.info(f"ローカルファイルを使用: {local_path}")
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with open(local_path, 'r', encoding='utf-8') as file:
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instruction = file.read()
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return instruction
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# HuggingFaceリポジトリからのファイル読み込みを試行
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try:
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# スタイル固有のファイルパスを指定
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file_path = hf_hub_download(
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repo_id="tomo2chin2/GURAREKOstlyle",
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filename=f"{style}/prompt.txt",
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repo_type="dataset"
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)
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logger.info(f"スタイル '{style}' のプロンプトをHuggingFaceから読み込みました: {file_path}")
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with open(file_path, 'r', encoding='utf-8') as file:
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instruction = file.read()
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return instruction
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except Exception as style_error:
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# スタイル固有ファイルの読み込みに失敗した場合、デフォルトのprompt.txtを使用
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logger.warning(f"スタイル '{style}' のプロンプト読み込みに失敗: {str(style_error)}")
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logger.info("デフォルトのprompt.txtを読み込みます")
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file_path = hf_hub_download(
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repo_id="tomo2chin2/GURAREKOstlyle",
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filename="prompt.txt",
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repo_type="dataset"
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)
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with open(file_path, 'r', encoding='utf-8') as file:
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instruction = file.read()
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logger.info("デフォルトのシステムインストラクションを読み込みました")
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return instruction
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except Exception as e:
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error_msg = f"システムインストラクションの読み込みに失敗: {str(e)}"
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logger.error(error_msg)
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raise ValueError(error_msg)
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def generate_html_from_text(text, temperature=0.3, style="standard"):
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"""
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safety_settings = [
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{
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"category": "HARM_CATEGORY_HARASSMENT",
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"threshold": "BLOCK_MEDIUM_AND_ABOVE"
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},
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{
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"category": "HARM_CATEGORY_HATE_SPEECH",
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"threshold": "BLOCK_MEDIUM_AND_ABOVE"
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},
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{
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"category": "HARM_CATEGORY_SEXUALLY_EXPLICIT",
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"threshold": "BLOCK_MEDIUM_AND_ABOVE"
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},
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{
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"category": "HARM_CATEGORY_DANGEROUS_CONTENT",
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"threshold": "BLOCK_MEDIUM_AND_ABOVE"
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}
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]
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# プロンプト構築
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prompt = f"{system_instruction}\n\n{text}"
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# コンテンツ生成
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response = model.generate_content(
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prompt,
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generation_config=generation_config,
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safety_settings=safety_settings
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)
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# HTMLタグが見つからない場合、レスポンス全体を返す
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logger.warning("レスポンスから ```html ``` タグが見つかりませんでした。全テキストを返します。")
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return raw_response
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except Exception as e:
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logger.error(f"HTML生成中にエラーが発生: {e}", exc_info=True)
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raise Exception(f"Gemini APIでのHTML生成に失敗しました: {e}")
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# 画像から余分な空白領域をトリミングする関数
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def trim_image_whitespace(image, threshold=250, padding=10):
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""
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"""
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# グレースケールに変換
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gray = image.convert('L')
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# ピクセルデータを配列として取得
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data = gray.getdata()
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width, height = gray.size
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# 有効範囲を見つける
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min_x, min_y = width, height
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max_x = max_y = 0
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# ピクセルデータを2次元配列に変換して処理
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pixels = list(data)
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pixels = [pixels[i * width:(i + 1) * width] for i in range(height)]
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# 各行をスキャンして非空白ピクセルを見つける
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for y in range(height):
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for x in range(width):
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if pixels[y][x] < threshold: # 非空白ピクセル
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min_x = min(min_x, x)
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min_y = min(min_y, y)
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max_x = max(max_x, x)
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max_y = max(max_y, y)
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# 境界外のトリミングの場合はエラー
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if min_x > max_x or min_y > max_y:
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logger.warning("トリミング領域が見つかりません。元の画像を返します。")
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return image
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# パディングを追加
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min_x = max(0, min_x - padding)
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min_y = max(0, min_y - padding)
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max_x = min(
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max_y = min(
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# 画像をトリミング
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trimmed = image.crop((min_x, min_y, max_x + 1, max_y + 1))
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logger.info(f"画像をトリミングしました: 元サイズ {width}x{height} → トリミング後 {trimmed.width}x{trimmed.height}")
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return trimmed
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# 非同期スクリプトを使わず、同期的なスクリプトのみ使用する改善版
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Renders HTML code to a full-page screenshot using Selenium.
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Args:
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html_code: The HTML source code string.
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extension_percentage: Percentage of extra space to add vertically.
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trim_whitespace: Whether to trim excess whitespace from the image.
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Returns:
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A PIL Image object of the screenshot.
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"""
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tmp_path = None
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driver = None
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# 1) Save HTML code to a temporary file
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try:
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with tempfile.NamedTemporaryFile(suffix=".html", delete=False, mode=
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tmp_path =
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options.add_argument("--no-sandbox")
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options.add_argument("--disable-dev-shm-usage")
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options.add_argument("--force-device-scale-factor=1")
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options.add_argument("--disable-features=NetworkService")
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options.add_argument("--dns-prefetch-disable")
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# 環境変数からWebDriverパスを取得(任意)
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webdriver_path = os.environ.get("CHROMEDRIVER_PATH")
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if webdriver_path and os.path.exists(webdriver_path):
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logger.info(f"Using CHROMEDRIVER_PATH: {webdriver_path}")
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service = webdriver.ChromeService(executable_path=webdriver_path)
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else:
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logger.info("CHROMEDRIVER_PATH not set or invalid, using default PATH lookup.")
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service = None # Use default behavior
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try:
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logger.info("Initializing WebDriver...")
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if service:
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driver = webdriver.Chrome(service=service, options=options)
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else:
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driver = webdriver.Chrome(options=options)
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logger.info("WebDriver initialized.")
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# 3) 初期ウィンドウサイズを設定
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initial_width = 1200
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initial_height = 1000
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driver.set_window_size(initial_width, initial_height)
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file_url = "file://" + tmp_path
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logger.info(f"Navigating to {file_url}")
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driver.get(file_url)
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# 4) ページ読み込み待機
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logger.info("Waiting for body element...")
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WebDriverWait(driver, 15).until(
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EC.presence_of_element_located((By.TAG_NAME, "body"))
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logger.info("Body element found. Waiting for resource loading...")
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# 5) 基本的なリソース読み込み待機 - タイムアウト回避
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time.sleep(3)
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""
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doc_ready = driver.execute_script("return document.readyState;")
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logger.info(f"Document ready state: {doc_ready}")
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# Font Awesomeが多い場合は追加待機
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if fa_count > 50:
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logger.info("Many Font Awesome icons detected, waiting additional time")
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time.sleep(2)
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# 6) コンテンツレンダリングのためのスクロール処理 - 同期的に実行
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logger.info("Performing content rendering scroll...")
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total_height = driver.execute_script("return Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);")
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viewport_height = driver.execute_script("return window.innerHeight;")
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scrolls_needed = max(1, total_height // viewport_height)
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for i in range(scrolls_needed + 1):
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scroll_pos = i * (viewport_height - 200) # オーバーラップさせる
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driver.execute_script(f"window.scrollTo(0, {scroll_pos});")
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time.sleep(0.2) # 短い待機
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# トップに戻る
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driver.execute_script("window.scrollTo(0, 0);")
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time.sleep(0.5)
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logger.info("Scroll rendering completed")
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# 7) スクロールバーを非表示に
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driver.execute_script("""
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document.documentElement.style.overflow = 'hidden';
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document.body.style.overflow = 'hidden';
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| 432 |
-
""")
|
| 433 |
-
logger.info("Scrollbars hidden")
|
| 434 |
-
|
| 435 |
-
# 8) ページの寸法を取得
|
| 436 |
-
dimensions = driver.execute_script("""
|
| 437 |
-
return {
|
| 438 |
-
width: Math.max(
|
| 439 |
-
document.documentElement.scrollWidth,
|
| 440 |
-
document.documentElement.offsetWidth,
|
| 441 |
-
document.documentElement.clientWidth,
|
| 442 |
-
document.body ? document.body.scrollWidth : 0,
|
| 443 |
-
document.body ? document.body.offsetWidth : 0,
|
| 444 |
-
document.body ? document.body.clientWidth : 0
|
| 445 |
-
),
|
| 446 |
-
height: Math.max(
|
| 447 |
-
document.documentElement.scrollHeight,
|
| 448 |
-
document.documentElement.offsetHeight,
|
| 449 |
-
document.documentElement.clientHeight,
|
| 450 |
-
document.body ? document.body.scrollHeight : 0,
|
| 451 |
-
document.body ? document.body.offsetHeight : 0,
|
| 452 |
-
document.body ? document.body.clientHeight : 0
|
| 453 |
-
)
|
| 454 |
-
};
|
| 455 |
-
""")
|
| 456 |
-
scroll_width = dimensions['width']
|
| 457 |
-
scroll_height = dimensions['height']
|
| 458 |
-
logger.info(f"Detected dimensions: width={scroll_width}, height={scroll_height}")
|
| 459 |
-
|
| 460 |
-
# 再検証 - 短いスクロールで再確認
|
| 461 |
-
driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
|
| 462 |
-
time.sleep(0.5)
|
| 463 |
-
driver.execute_script("window.scrollTo(0, 0);")
|
| 464 |
-
time.sleep(0.5)
|
| 465 |
-
|
| 466 |
-
dimensions_after = driver.execute_script("return {height: Math.max(document.documentElement.scrollHeight, document.body.scrollHeight)};")
|
| 467 |
-
scroll_height = max(scroll_height, dimensions_after['height'])
|
| 468 |
-
logger.info(f"After scroll check, height={scroll_height}")
|
| 469 |
-
|
| 470 |
-
# 最小/最大値の設定
|
| 471 |
-
scroll_width = max(scroll_width, 100)
|
| 472 |
-
scroll_height = max(scroll_height, 100)
|
| 473 |
-
scroll_width = min(scroll_width, 2000)
|
| 474 |
-
scroll_height = min(scroll_height, 4000)
|
| 475 |
-
|
| 476 |
-
# 9) レイアウト安定化のための単純な待機 - タイムアウト回避
|
| 477 |
-
logger.info("Waiting for layout stabilization...")
|
| 478 |
-
time.sleep(2)
|
| 479 |
-
|
| 480 |
-
# 10) 高さに余白を追加
|
| 481 |
-
adjusted_height = int(scroll_height * (1 + extension_percentage / 100.0))
|
| 482 |
-
adjusted_height = max(adjusted_height, scroll_height, 100)
|
| 483 |
-
logger.info(f"Adjusted height calculated: {adjusted_height} (extension: {extension_percentage}%)")
|
| 484 |
-
|
| 485 |
-
# 11) ウィンドウサイズを調整
|
| 486 |
-
adjusted_width = scroll_width
|
| 487 |
-
logger.info(f"Resizing window to: width={adjusted_width}, height={adjusted_height}")
|
| 488 |
-
driver.set_window_size(adjusted_width, adjusted_height)
|
| 489 |
time.sleep(1)
|
| 490 |
-
|
| 491 |
-
# リソース状態を確認 - 同期的スクリプト
|
| 492 |
-
resource_state = driver.execute_script("""
|
| 493 |
-
return {
|
| 494 |
-
readyState: document.readyState,
|
| 495 |
-
resourcesComplete: !document.querySelector('img:not([complete])') &&
|
| 496 |
-
!document.querySelector('link[rel="stylesheet"]:not([loaded])')
|
| 497 |
-
};
|
| 498 |
-
""")
|
| 499 |
-
logger.info(f"Resource state: {resource_state}")
|
| 500 |
-
|
| 501 |
-
if resource_state['readyState'] != 'complete':
|
| 502 |
-
logger.info("Document still loading, waiting additional time...")
|
| 503 |
-
time.sleep(1)
|
| 504 |
-
|
| 505 |
-
# トップにスクロール
|
| 506 |
-
driver.execute_script("window.scrollTo(0, 0);")
|
| 507 |
-
time.sleep(0.5)
|
| 508 |
-
logger.info("Scrolled to top.")
|
| 509 |
-
|
| 510 |
-
# 12) スクリーンショット取得
|
| 511 |
-
logger.info("Taking screenshot...")
|
| 512 |
png = driver.get_screenshot_as_png()
|
| 513 |
-
logger.info("Screenshot taken successfully.")
|
| 514 |
-
|
| 515 |
-
# PIL画像に変換
|
| 516 |
img = Image.open(BytesIO(png))
|
| 517 |
-
|
| 518 |
-
|
| 519 |
-
# 余白トリミング
|
| 520 |
-
if trim_whitespace:
|
| 521 |
-
img = trim_image_whitespace(img, threshold=248, padding=20)
|
| 522 |
-
logger.info(f"Trimmed dimensions: {img.width}x{img.height}")
|
| 523 |
-
|
| 524 |
-
return img
|
| 525 |
-
|
| 526 |
except Exception as e:
|
| 527 |
-
logger.error(f"
|
| 528 |
-
|
| 529 |
-
return Image.new('RGB', (1, 1), color=(0, 0, 0))
|
| 530 |
finally:
|
| 531 |
-
logger.info("Cleaning up...")
|
| 532 |
if driver:
|
| 533 |
-
|
| 534 |
-
driver.quit()
|
| 535 |
-
logger.info("WebDriver quit successfully.")
|
| 536 |
-
except Exception as e:
|
| 537 |
-
logger.error(f"Error quitting WebDriver: {e}", exc_info=True)
|
| 538 |
if tmp_path and os.path.exists(tmp_path):
|
| 539 |
-
|
| 540 |
-
os.remove(tmp_path)
|
| 541 |
-
logger.info(f"Temporary file {tmp_path} removed.")
|
| 542 |
-
except Exception as e:
|
| 543 |
-
logger.error(f"Error removing temporary file {tmp_path}: {e}", exc_info=True)
|
| 544 |
|
| 545 |
-
#
|
| 546 |
-
def text_to_screenshot(text
|
| 547 |
-
|
| 548 |
-
|
| 549 |
-
try:
|
| 550 |
-
# 1. テキストからHTMLを生成(温度パラメータとスタイルも渡す)
|
| 551 |
-
html_code = generate_html_from_text(text, temperature, style)
|
| 552 |
-
|
| 553 |
-
# 2. HTMLからスクリーンショットを生成
|
| 554 |
-
return render_fullpage_screenshot(html_code, extension_percentage, trim_whitespace)
|
| 555 |
-
except Exception as e:
|
| 556 |
-
logger.error(f"テキストからスクリーンショット生成中にエラーが発生: {e}", exc_info=True)
|
| 557 |
-
return Image.new('RGB', (1, 1), color=(0, 0, 0)) # エラー時は黒画像
|
| 558 |
|
| 559 |
-
#
|
| 560 |
app = FastAPI()
|
| 561 |
-
|
| 562 |
-
# CORS設定を追加
|
| 563 |
app.add_middleware(
|
| 564 |
CORSMiddleware,
|
| 565 |
-
allow_origins=["*"],
|
| 566 |
-
|
| 567 |
-
allow_methods=["*"],
|
| 568 |
-
allow_headers=["*"],
|
| 569 |
)
|
| 570 |
|
| 571 |
-
#
|
| 572 |
-
# Gradioのディレクトリを探索してアセットを見つける
|
| 573 |
gradio_dir = os.path.dirname(gr.__file__)
|
| 574 |
-
|
| 575 |
-
|
| 576 |
-
|
| 577 |
-
|
| 578 |
-
|
| 579 |
-
|
| 580 |
-
|
| 581 |
-
|
| 582 |
-
|
| 583 |
-
|
| 584 |
-
|
| 585 |
-
|
| 586 |
-
|
| 587 |
-
|
| 588 |
-
|
| 589 |
-
|
| 590 |
-
|
| 591 |
-
|
| 592 |
-
|
| 593 |
-
|
| 594 |
-
|
| 595 |
-
|
| 596 |
-
|
| 597 |
-
|
| 598 |
-
|
| 599 |
-
|
| 600 |
-
|
| 601 |
-
|
| 602 |
-
# API Endpoint for screenshot generation
|
| 603 |
-
@app.post("/api/screenshot",
|
| 604 |
-
response_class=StreamingResponse,
|
| 605 |
-
tags=["Screenshot"],
|
| 606 |
-
summary="Render HTML to Full Page Screenshot",
|
| 607 |
-
description="Takes HTML code and an optional vertical extension percentage, renders it using a headless browser, and returns the full-page screenshot as a PNG image.")
|
| 608 |
-
async def api_render_screenshot(request: ScreenshotRequest):
|
| 609 |
-
"""
|
| 610 |
-
API endpoint to render HTML and return a screenshot.
|
| 611 |
-
"""
|
| 612 |
-
try:
|
| 613 |
-
logger.info(f"API request received. Extension: {request.extension_percentage}%")
|
| 614 |
-
# Run the blocking Selenium code in a separate thread (FastAPI handles this)
|
| 615 |
-
pil_image = render_fullpage_screenshot(
|
| 616 |
-
request.html_code,
|
| 617 |
-
request.extension_percentage,
|
| 618 |
-
request.trim_whitespace
|
| 619 |
-
)
|
| 620 |
-
|
| 621 |
-
if pil_image.size == (1, 1):
|
| 622 |
-
logger.error("Screenshot generation failed, returning 1x1 error image.")
|
| 623 |
-
# Optionally return a proper error response instead of 1x1 image
|
| 624 |
-
# raise HTTPException(status_code=500, detail="Failed to generate screenshot")
|
| 625 |
-
|
| 626 |
-
# Convert PIL Image to PNG bytes
|
| 627 |
-
img_byte_arr = BytesIO()
|
| 628 |
-
pil_image.save(img_byte_arr, format='PNG')
|
| 629 |
-
img_byte_arr.seek(0) # Go to the start of the BytesIO buffer
|
| 630 |
-
|
| 631 |
-
logger.info("Returning screenshot as PNG stream.")
|
| 632 |
-
return StreamingResponse(img_byte_arr, media_type="image/png")
|
| 633 |
-
|
| 634 |
-
except Exception as e:
|
| 635 |
-
logger.error(f"API Error: {e}", exc_info=True)
|
| 636 |
-
raise HTTPException(status_code=500, detail=f"Internal Server Error: {e}")
|
| 637 |
-
|
| 638 |
-
# --- 新しいGemini API連携エンドポイント ---
|
| 639 |
-
@app.post("/api/text-to-screenshot",
|
| 640 |
-
response_class=StreamingResponse,
|
| 641 |
-
tags=["Screenshot", "Gemini"],
|
| 642 |
-
summary="テキストからインフォグラフィックを生成",
|
| 643 |
-
description="テキストをGemini APIを使ってHTMLインフォグラフィックに変換し、スクリーンショットとして返します。")
|
| 644 |
-
async def api_text_to_screenshot(request: GeminiRequest):
|
| 645 |
-
"""
|
| 646 |
-
テキストからHTMLインフォグラフィックを生成してスクリーンショットを返すAPIエンドポイント
|
| 647 |
-
"""
|
| 648 |
-
try:
|
| 649 |
-
logger.info(f"テキスト→スクリーンショットAPIリクエスト受信。テキスト長さ: {len(request.text)}, "
|
| 650 |
-
f"拡張率: {request.extension_percentage}%, 温度: {request.temperature}, "
|
| 651 |
-
f"スタイル: {request.style}")
|
| 652 |
-
|
| 653 |
-
# テキストからHTMLを生成してスクリーンショットを作成(温度パラメータとスタイルも渡す)
|
| 654 |
-
pil_image = text_to_screenshot(
|
| 655 |
-
request.text,
|
| 656 |
-
request.extension_percentage,
|
| 657 |
-
request.temperature,
|
| 658 |
-
request.trim_whitespace,
|
| 659 |
-
request.style
|
| 660 |
-
)
|
| 661 |
-
|
| 662 |
-
if pil_image.size == (1, 1):
|
| 663 |
-
logger.error("スクリーンショット生成に失敗しました。1x1エラー画像を返します。")
|
| 664 |
-
# raise HTTPException(status_code=500, detail="スクリーンショット生成に失敗しました")
|
| 665 |
-
|
| 666 |
-
|
| 667 |
-
# PIL画像をPNGバイトに変換
|
| 668 |
-
img_byte_arr = BytesIO()
|
| 669 |
-
pil_image.save(img_byte_arr, format='PNG')
|
| 670 |
-
img_byte_arr.seek(0) # BytesIOバッファの先頭に戻る
|
| 671 |
-
|
| 672 |
-
logger.info("スクリーンショットをPNGストリームとして返します。")
|
| 673 |
-
return StreamingResponse(img_byte_arr, media_type="image/png")
|
| 674 |
-
|
| 675 |
-
except Exception as e:
|
| 676 |
-
logger.error(f"API Error: {e}", exc_info=True)
|
| 677 |
-
raise HTTPException(status_code=500, detail=f"Internal Server Error: {e}")
|
| 678 |
-
|
| 679 |
-
# --- Gradio Interface Definition ---
|
| 680 |
-
# 入力モードの選択用Radioコンポーネント
|
| 681 |
-
def process_input(input_mode, input_text, extension_percentage, temperature, trim_whitespace, style):
|
| 682 |
-
"""入力モードに応じて適切な処理を行う"""
|
| 683 |
-
if input_mode == "HTML入力":
|
| 684 |
-
# HTMLモードの場合は既存の処理(スタイルは使わない)
|
| 685 |
-
return render_fullpage_screenshot(input_text, extension_percentage, trim_whitespace)
|
| 686 |
-
else:
|
| 687 |
-
# テキスト入力モードの場合はGemini APIを使用
|
| 688 |
-
return text_to_screenshot(input_text, extension_percentage, temperature, trim_whitespace, style)
|
| 689 |
-
|
| 690 |
-
# Gradio UIの定義
|
| 691 |
-
with gr.Blocks(title="Full Page Screenshot (テキスト変換対応)", theme=gr.themes.Base()) as iface:
|
| 692 |
gr.Markdown("# HTMLビューア & テキスト→インフォグラフィック変換")
|
| 693 |
-
gr.
|
| 694 |
-
|
| 695 |
-
|
| 696 |
-
|
| 697 |
-
|
| 698 |
-
|
| 699 |
-
|
| 700 |
-
|
| 701 |
-
|
| 702 |
-
|
| 703 |
-
|
| 704 |
-
|
| 705 |
-
|
| 706 |
-
|
| 707 |
-
|
| 708 |
-
|
| 709 |
-
|
| 710 |
-
|
| 711 |
-
|
| 712 |
-
style_dropdown = gr.Dropdown(
|
| 713 |
-
choices=["standard", "cute", "resort", "cool", "dental"],
|
| 714 |
-
value="standard",
|
| 715 |
-
label="デザインスタイル",
|
| 716 |
-
info="テキスト→HTML変換時のデザインテーマを選択します",
|
| 717 |
-
visible=False # テキスト入力モードの時だけ表示
|
| 718 |
-
)
|
| 719 |
-
|
| 720 |
-
with gr.Column(scale=2):
|
| 721 |
-
extension_percentage = gr.Slider(
|
| 722 |
-
minimum=0,
|
| 723 |
-
maximum=30,
|
| 724 |
-
step=1.0,
|
| 725 |
-
value=10, # デフォルト値10%
|
| 726 |
-
label="上下高さ拡張率(%)"
|
| 727 |
-
)
|
| 728 |
-
|
| 729 |
-
# 温度調整スライダー(テキストモード時のみ表示)
|
| 730 |
-
temperature = gr.Slider(
|
| 731 |
-
minimum=0.0,
|
| 732 |
-
maximum=1.0,
|
| 733 |
-
step=0.1,
|
| 734 |
-
value=0.5, # デフォルト値を0.5に設定
|
| 735 |
-
label="生成時の温度(低い=一貫性高、高い=創造性高)",
|
| 736 |
-
visible=False # 最初は非表示
|
| 737 |
-
)
|
| 738 |
-
|
| 739 |
-
# 余白トリミングオプション
|
| 740 |
-
trim_whitespace = gr.Checkbox(
|
| 741 |
-
label="余白を自動トリミング",
|
| 742 |
-
value=True,
|
| 743 |
-
info="生成される画像から余分な空白領域を自動的に削除します"
|
| 744 |
-
)
|
| 745 |
-
|
| 746 |
-
submit_btn = gr.Button("生成")
|
| 747 |
-
output_image = gr.Image(type="pil", label="ページ全体のスクリーンショット")
|
| 748 |
-
|
| 749 |
-
# 入力モード変更時のイベント処理(テキストモード時のみ温度スライダーとスタイルドロップダウンを表示)
|
| 750 |
-
def update_controls_visibility(mode):
|
| 751 |
-
# Gradio 4.x用のアップデート方法
|
| 752 |
-
is_text_mode = mode == "テキスト入力"
|
| 753 |
-
return [
|
| 754 |
-
gr.update(visible=is_text_mode), # temperature
|
| 755 |
-
gr.update(visible=is_text_mode), # style_dropdown
|
| 756 |
-
]
|
| 757 |
-
|
| 758 |
-
input_mode.change(
|
| 759 |
-
fn=update_controls_visibility,
|
| 760 |
-
inputs=input_mode,
|
| 761 |
-
outputs=[temperature, style_dropdown]
|
| 762 |
-
)
|
| 763 |
-
|
| 764 |
-
# 生成ボタンクリック時のイベント処理
|
| 765 |
-
submit_btn.click(
|
| 766 |
-
fn=process_input,
|
| 767 |
-
inputs=[input_mode, input_text, extension_percentage, temperature, trim_whitespace, style_dropdown],
|
| 768 |
-
outputs=output_image
|
| 769 |
-
)
|
| 770 |
-
|
| 771 |
-
# 環境変数情報を表示
|
| 772 |
-
gemini_model = os.environ.get("GEMINI_MODEL", "gemini-1.5-pro")
|
| 773 |
-
gr.Markdown(f"""
|
| 774 |
-
## APIエンドポイント
|
| 775 |
-
- `/api/screenshot` - HTMLコードからスクリーンショットを生成
|
| 776 |
-
- `/api/text-to-screenshot` - テキストからインフォグラフィックスクリーンショットを生成
|
| 777 |
-
|
| 778 |
-
## 設定情報
|
| 779 |
-
- 使用モデル: {gemini_model} (環境変数 GEMINI_MODEL で変更可能)
|
| 780 |
-
- 対応スタイル: standard, cute, resort, cool, dental
|
| 781 |
-
""")
|
| 782 |
|
| 783 |
-
# --- Mount Gradio App onto FastAPI ---
|
| 784 |
app = gr.mount_gradio_app(app, iface, path="/")
|
| 785 |
|
| 786 |
-
# --- Run with Uvicorn (for local testing) ---
|
| 787 |
if __name__ == "__main__":
|
| 788 |
import uvicorn
|
| 789 |
-
|
| 790 |
-
uvicorn.run(app, host="0.0.0.0", port=7860)
|
|
|
|
| 1 |
import gradio as gr
|
| 2 |
+
from fastapi import FastAPI, HTTPException
|
| 3 |
from fastapi.responses import StreamingResponse
|
| 4 |
from fastapi.staticfiles import StaticFiles
|
| 5 |
from fastapi.middleware.cors import CORSMiddleware
|
|
|
|
| 15 |
import time
|
| 16 |
import os
|
| 17 |
import logging
|
| 18 |
+
from huggingface_hub import hf_hub_download
|
| 19 |
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# --- Gemini SDK (v1.x) ---------------------------------
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+
from google import genai
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| 22 |
+
from google.genai import types
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+
# -------------------------------------------------------
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| 25 |
# ロギング設定
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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+
# ---------- データモデル ----------
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class GeminiRequest(BaseModel):
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text: str
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extension_percentage: float = 10.0
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temperature: float = 0.5
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trim_whitespace: bool = True
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+
style: str = "standard"
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class ScreenshotRequest(BaseModel):
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html_code: str
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extension_percentage: float = 10.0
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trim_whitespace: bool = True
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+
style: str = "standard"
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+
# ---------- ユーティリティ ----------
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def enhance_font_awesome_layout(html_code):
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fa_fix_css = """
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<style>
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[class*="fa-"]{display:inline-block!important;margin-right:8px!important;vertical-align:middle!important;}
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h1 [class*="fa-"],h2 [class*="fa-"],h3 [class*="fa-"],h4 [class*="fa-"],h5 [class*="fa-"],h6 [class*="fa-"]{
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vertical-align:middle!important;margin-right:10px!important;}
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+
.fa+span,.fas+span,.far+span,.fab+span,span+.fa,span+.fas,span+.far,span+.fab{
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display:inline-block!important;margin-left:5px!important;}
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.card [class*="fa-"],.card-body [class*="fa-"]{float:none!important;clear:none!important;position:relative!important;}
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+
li [class*="fa-"],p [class*="fa-"]{margin-right:10px!important;}
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.inline-icon{display:inline-flex!important;align-items:center!important;justify-content:flex-start!important;}
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[class*="fa-"]+span{display:inline-block!important;vertical-align:middle!important;}
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| 56 |
</style>
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"""
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| 58 |
if '<head>' in html_code:
|
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return html_code.replace('</head>', f'{fa_fix_css}</head>')
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| 60 |
elif '<html' in html_code:
|
| 61 |
head_end = html_code.find('</head>')
|
| 62 |
if head_end > 0:
|
| 63 |
return html_code[:head_end] + fa_fix_css + html_code[head_end:]
|
| 64 |
+
body_start = html_code.find('<body')
|
| 65 |
+
if body_start > 0:
|
| 66 |
+
return html_code[:body_start] + f'<head>{fa_fix_css}</head>' + html_code[body_start:]
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| 67 |
return f'<html><head>{fa_fix_css}</head>' + html_code + '</html>'
|
| 68 |
|
| 69 |
def load_system_instruction(style="standard"):
|
| 70 |
+
valid_styles = ["standard", "cute", "resort", "cool", "dental"]
|
| 71 |
+
if style not in valid_styles:
|
| 72 |
+
logger.warning(f"無効なスタイル '{style}'。'standard' を使用")
|
| 73 |
+
style = "standard"
|
| 74 |
+
local_path = os.path.join(os.path.dirname(__file__), style, "prompt.txt")
|
| 75 |
+
if os.path.exists(local_path):
|
| 76 |
+
with open(local_path, encoding="utf-8") as f:
|
| 77 |
+
return f.read()
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|
| 78 |
try:
|
| 79 |
+
file_path = hf_hub_download(
|
| 80 |
+
repo_id="tomo2chin2/GURAREKOstlyle",
|
| 81 |
+
filename=f"{style}/prompt.txt",
|
| 82 |
+
repo_type="dataset"
|
| 83 |
+
)
|
| 84 |
+
with open(file_path, encoding="utf-8") as f:
|
| 85 |
+
return f.read()
|
| 86 |
+
except Exception:
|
| 87 |
+
file_path = hf_hub_download(
|
| 88 |
+
repo_id="tomo2chin2/GURAREKOstlyle",
|
| 89 |
+
filename="prompt.txt",
|
| 90 |
+
repo_type="dataset"
|
| 91 |
+
)
|
| 92 |
+
with open(file_path, encoding="utf-8") as f:
|
| 93 |
+
return f.read()
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|
| 94 |
|
| 95 |
+
# ---------- Gemini HTML 生成 ----------
|
| 96 |
def generate_html_from_text(text, temperature=0.3, style="standard"):
|
| 97 |
+
"""Gemini で HTML を生成。2.5 Flash Preview の場合は thinking_off"""
|
| 98 |
+
api_key = os.environ.get("GEMINI_API_KEY")
|
| 99 |
+
if not api_key:
|
| 100 |
+
raise ValueError("GEMINI_API_KEY が未設定")
|
| 101 |
+
model_name = os.environ.get("GEMINI_MODEL", "gemini-1.5-pro")
|
| 102 |
+
|
| 103 |
+
client = genai.Client(api_key=api_key)
|
| 104 |
+
system_instruction = load_system_instruction(style)
|
| 105 |
+
prompt = f"{system_instruction}\n\n{text}"
|
| 106 |
+
|
| 107 |
+
safety_settings = [
|
| 108 |
+
{"category": "HARM_CATEGORY_HARASSMENT", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 109 |
+
{"category": "HARM_CATEGORY_HATE_SPEECH", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 110 |
+
{"category": "HARM_CATEGORY_SEXUALLY_EXPLICIT", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 111 |
+
{"category": "HARM_CATEGORY_DANGEROUS_CONTENT", "threshold": "BLOCK_MEDIUM_AND_ABOVE"},
|
| 112 |
+
]
|
| 113 |
+
|
| 114 |
+
# ---- モデル分岐 ----
|
| 115 |
+
if model_name == "gemini-2.5-flash-preview-04-17":
|
| 116 |
+
generation_cfg = types.GenerateContentConfig(
|
| 117 |
+
temperature=temperature,
|
| 118 |
+
top_p=0.7,
|
| 119 |
+
top_k=20,
|
| 120 |
+
max_output_tokens=8192,
|
| 121 |
+
candidate_count=1,
|
| 122 |
+
thinking_config=types.ThinkingConfig(thinking_budget=0) # thinking OFF
|
| 123 |
+
)
|
| 124 |
+
else:
|
| 125 |
+
generation_cfg = types.GenerateContentConfig(
|
| 126 |
+
temperature=temperature,
|
| 127 |
+
top_p=0.7,
|
| 128 |
+
top_k=20,
|
| 129 |
+
max_output_tokens=8192,
|
| 130 |
+
candidate_count=1,
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|
| 131 |
)
|
| 132 |
|
| 133 |
+
response = client.models.generate_content(
|
| 134 |
+
model=model_name,
|
| 135 |
+
contents=prompt,
|
| 136 |
+
config=generation_cfg,
|
| 137 |
+
safety_settings=safety_settings
|
| 138 |
+
)
|
| 139 |
+
raw = response.text
|
| 140 |
+
|
| 141 |
+
# ```html ... ``` 抽出
|
| 142 |
+
start = raw.find("```html")
|
| 143 |
+
end = raw.rfind("```")
|
| 144 |
+
if start != -1 and end != -1 and start < end:
|
| 145 |
+
html_code = raw[start + 7:end].strip()
|
| 146 |
+
return enhance_font_awesome_layout(html_code)
|
| 147 |
+
logger.warning("```html``` ブロックが見つからず全文返却")
|
| 148 |
+
return raw
|
| 149 |
+
|
| 150 |
+
# ---------- 画像トリミング ----------
|
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|
| 151 |
def trim_image_whitespace(image, threshold=250, padding=10):
|
| 152 |
+
gray = image.convert("L")
|
| 153 |
+
data = list(gray.getdata())
|
| 154 |
+
w, h = gray.size
|
| 155 |
+
pixels = [data[i * w:(i + 1) * w] for i in range(h)]
|
| 156 |
+
min_x, min_y, max_x, max_y = w, h, 0, 0
|
| 157 |
+
for y in range(h):
|
| 158 |
+
for x in range(w):
|
| 159 |
+
if pixels[y][x] < threshold:
|
| 160 |
+
min_x, min_y = min(min_x, x), min(min_y, y)
|
| 161 |
+
max_x, max_y = max(max_x, x), max(max_y, y)
|
|
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|
| 162 |
if min_x > max_x or min_y > max_y:
|
|
|
|
| 163 |
return image
|
|
|
|
|
|
|
| 164 |
min_x = max(0, min_x - padding)
|
| 165 |
min_y = max(0, min_y - padding)
|
| 166 |
+
max_x = min(w - 1, max_x + padding)
|
| 167 |
+
max_y = min(h - 1, max_y + padding)
|
| 168 |
+
return image.crop((min_x, min_y, max_x + 1, max_y + 1))
|
|
|
|
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|
|
| 169 |
|
| 170 |
+
# ---------- HTML → スクリーンショット(Selenium) ----------
|
| 171 |
+
def render_fullpage_screenshot(html_code, extension_percentage=6.0, trim_whitespace=True):
|
| 172 |
+
tmp_path, driver = None, None
|
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|
| 173 |
try:
|
| 174 |
+
with tempfile.NamedTemporaryFile(suffix=".html", delete=False, mode="w", encoding="utf-8") as f:
|
| 175 |
+
tmp_path = f.name
|
| 176 |
+
f.write(html_code)
|
| 177 |
+
options = Options()
|
| 178 |
+
options.add_argument("--headless")
|
| 179 |
+
options.add_argument("--no-sandbox")
|
| 180 |
+
options.add_argument("--disable-dev-shm-usage")
|
| 181 |
+
driver = webdriver.Chrome(options=options)
|
| 182 |
+
driver.set_window_size(1200, 1000)
|
| 183 |
+
driver.get("file://" + tmp_path)
|
| 184 |
+
WebDriverWait(driver, 15).until(EC.presence_of_element_located((By.TAG_NAME, "body")))
|
|
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|
| 185 |
time.sleep(3)
|
| 186 |
|
| 187 |
+
total_height = driver.execute_script("return Math.max(document.body.scrollHeight, document.documentElement.scrollHeight)")
|
| 188 |
+
viewport = driver.execute_script("return window.innerHeight")
|
| 189 |
+
for i in range(max(1, total_height // viewport) + 1):
|
| 190 |
+
driver.execute_script(f"window.scrollTo(0, {i * (viewport - 200)})")
|
| 191 |
+
time.sleep(0.2)
|
| 192 |
+
driver.execute_script("window.scrollTo(0, 0)")
|
| 193 |
+
driver.execute_script("document.documentElement.style.overflow='hidden';document.body.style.overflow='hidden'")
|
| 194 |
+
dims = driver.execute_script("return {w:document.documentElement.scrollWidth,h:document.documentElement.scrollHeight}")
|
| 195 |
+
driver.set_window_size(dims["w"], int(dims["h"] * (1 + extension_percentage / 100)))
|
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|
| 196 |
time.sleep(1)
|
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|
| 197 |
png = driver.get_screenshot_as_png()
|
|
|
|
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|
|
| 198 |
img = Image.open(BytesIO(png))
|
| 199 |
+
return trim_image_whitespace(img, 248, 20) if trim_whitespace else img
|
|
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|
| 200 |
except Exception as e:
|
| 201 |
+
logger.error(f"Selenium error: {e}", exc_info=True)
|
| 202 |
+
return Image.new("RGB", (1, 1))
|
|
|
|
| 203 |
finally:
|
|
|
|
| 204 |
if driver:
|
| 205 |
+
driver.quit()
|
|
|
|
|
|
|
|
|
|
|
|
|
| 206 |
if tmp_path and os.path.exists(tmp_path):
|
| 207 |
+
os.remove(tmp_path)
|
|
|
|
|
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|
|
|
|
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|
| 208 |
|
| 209 |
+
# ---------- 統合 ----------
|
| 210 |
+
def text_to_screenshot(text, ext, temp=0.3, trim=True, style="standard"):
|
| 211 |
+
html = generate_html_from_text(text, temp, style)
|
| 212 |
+
return render_fullpage_screenshot(html, ext, trim)
|
|
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|
|
| 213 |
|
| 214 |
+
# ---------- FastAPI ----------
|
| 215 |
app = FastAPI()
|
|
|
|
|
|
|
| 216 |
app.add_middleware(
|
| 217 |
CORSMiddleware,
|
| 218 |
+
allow_origins=["*"], allow_credentials=True,
|
| 219 |
+
allow_methods=["*"], allow_headers=["*"],
|
|
|
|
|
|
|
| 220 |
)
|
| 221 |
|
| 222 |
+
# Gradio 静的ファイル
|
|
|
|
| 223 |
gradio_dir = os.path.dirname(gr.__file__)
|
| 224 |
+
app.mount("/static", StaticFiles(directory=os.path.join(gradio_dir, "templates/frontend/static")), name="static")
|
| 225 |
+
|
| 226 |
+
# ---------- API ----------
|
| 227 |
+
@app.post("/api/screenshot", response_class=StreamingResponse)
|
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+
async def api_render(req: ScreenshotRequest):
|
| 229 |
+
img = render_fullpage_screenshot(req.html_code, req.extension_percentage, req.trim_whitespace)
|
| 230 |
+
buf = BytesIO()
|
| 231 |
+
img.save(buf, format="PNG")
|
| 232 |
+
buf.seek(0)
|
| 233 |
+
return StreamingResponse(buf, media_type="image/png")
|
| 234 |
+
|
| 235 |
+
@app.post("/api/text-to-screenshot", response_class=StreamingResponse)
|
| 236 |
+
async def api_text_screenshot(req: GeminiRequest):
|
| 237 |
+
img = text_to_screenshot(req.text, req.extension_percentage, req.temperature, req.trim_whitespace, req.style)
|
| 238 |
+
buf = BytesIO()
|
| 239 |
+
img.save(buf, format="PNG")
|
| 240 |
+
buf.seek(0)
|
| 241 |
+
return StreamingResponse(buf, media_type="image/png")
|
| 242 |
+
|
| 243 |
+
# ---------- Gradio ----------
|
| 244 |
+
def process_input(mode, txt, ext, temp, trim, style):
|
| 245 |
+
if mode == "HTML入力":
|
| 246 |
+
return render_fullpage_screenshot(txt, ext, trim)
|
| 247 |
+
return text_to_screenshot(txt, ext, temp, trim, style)
|
| 248 |
+
|
| 249 |
+
with gr.Blocks(title="HTML Viewer & Gemini 2.5 Flash Demo", theme=gr.themes.Base()) as iface:
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|
| 250 |
gr.Markdown("# HTMLビューア & テキスト→インフォグラフィック変換")
|
| 251 |
+
input_mode = gr.Radio(["HTML入力", "テキスト入力"], value="HTML入力", label="入力モード")
|
| 252 |
+
input_text = gr.Textbox(lines=15, label="入力")
|
| 253 |
+
style_dd = gr.Dropdown(["standard", "cute", "resort", "cool", "dental"], value="standard", label="デザインスタイル", visible=False)
|
| 254 |
+
ext_slider = gr.Slider(0, 30, value=10, step=1, label="上下高さ拡張率(%)")
|
| 255 |
+
temp_slider = gr.Slider(0.0, 1.0, value=0.5, step=0.1, label="生成時の温度", visible=False)
|
| 256 |
+
trim_cb = gr.Checkbox(value=True, label="余白を自動トリミング")
|
| 257 |
+
out_img = gr.Image(type="pil", label="スクリーンショット")
|
| 258 |
+
gen_btn = gr.Button("生成")
|
| 259 |
+
|
| 260 |
+
def toggle(mode):
|
| 261 |
+
show = mode == "テキスト入力"
|
| 262 |
+
return [{"visible": show, "__type__": "update"}, {"visible": show, "__type__": "update"}]
|
| 263 |
+
input_mode.change(toggle, input_mode, [temp_slider, style_dd])
|
| 264 |
+
gen_btn.click(process_input, [input_mode, input_text, ext_slider, temp_slider, trim_cb, style_dd], out_img)
|
| 265 |
+
|
| 266 |
+
iface.markdown(f"""
|
| 267 |
+
**使用モデル**: `{os.environ.get("GEMINI_MODEL", "gemini-1.5-pro")}`
|
| 268 |
+
**API**: `/api/screenshot`, `/api/text-to-screenshot`
|
| 269 |
+
""")
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|
| 270 |
|
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|
| 271 |
app = gr.mount_gradio_app(app, iface, path="/")
|
| 272 |
|
|
|
|
| 273 |
if __name__ == "__main__":
|
| 274 |
import uvicorn
|
| 275 |
+
uvicorn.run(app, host="0.0.0.0", port=7860)
|
|
|