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	Update app.py
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        app.py
    CHANGED
    
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| 1 | 
             
            import streamlit as st
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            import tempfile
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            import  | 
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            from pathlib import Path
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            from services.llm_service import LLMService
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            from core.file_scanner import FileScanner, FileInfo
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            from typing import List
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            # ページ設定
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            st.set_page_config(
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               page_title="Repository Code Analysis",
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               page_icon="🔍",
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               layout="wide"
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            )
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            # ダークテーマの設定
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            st.markdown("""
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            <style>
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               .stApp {
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                   background-color: #0e1117;
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                   color: #ffffff;
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               }
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               .chat-message {
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                   padding: 1rem;
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                   margin: 1rem 0;
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                   border-radius: 0.5rem;
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               }
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               .assistant-message {
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                   background-color: #1e2329;
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                   color: #ffffff;
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               }
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               .stButton button {
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                   background-color: #2ea44f;
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                   color: #ffffff;
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               }
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               .stTextArea textarea {
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                   background-color: #1e2329;
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                   color: #ffffff;
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               }
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            </style>
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            """, unsafe_allow_html=True)
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            def create_download_content(files: List[FileInfo]) -> str:
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               content = "# スキャン結果\n\n"
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               for file in files:
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                   content += f"## {file.path}\n"
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                   content += f"サイズ: {file.formatted_size}\n"
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                   content += f"エンコーディング: {file.encoding or '不明'}\n\n"
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                   if file.content:
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                       content += f"```{file.extension[1:] if file.extension else ''}\n"
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                       content += file.content
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                       content += "\n```\n\n"
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               return content
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            def clone_repository(repo_url: str) -> Path:
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               """リポジトリをクローンして一時ディレクトリに保存"""
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               temp_dir = Path(tempfile.mkdtemp())
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               git.Repo.clone_from(repo_url, temp_dir)
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               return temp_dir
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            # セッション状態の初期化
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            st. | 
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            #  | 
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| 92 | 
             
                    )
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                    st.session_state.llm_service.switch_model(model.lower())
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                st.divider()
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                st.subheader("📌 使い方")
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                st.markdown("""
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                1. GitHubリポジトリのURLを入力
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                2. スキャンを実行
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                3. コードについて質問(最大5ターンの会話が可能)
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                """)
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                st.subheader("🔍 スキャン対象")
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                st.markdown("""
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                - Python (.py)
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                - JavaScript (.js)
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                - Java (.java)
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                - C/C++ (.c, .h, .cpp, .hpp)
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                - その他の主要なプログラミング言語
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                """)
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            # URLの入力
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            repo_url = st.text_input(
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               "GitHubリポジトリのURLを入力",
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               placeholder="https://github.com/username/repository.git"
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            )
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            # スキャン実行ボタン
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            if st.button("スキャン開始", disabled=not repo_url):
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               try:
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                   with st.spinner('リポジトリをクローン中...'):
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                       temp_dir = clone_repository(repo_url)
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                       st.session_state.temp_dir = temp_dir
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                   with st.spinner('ファイルをスキャン中...'):
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                       scanner = FileScanner(temp_dir)
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                       files = scanner.scan_files()
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                       st.session_state.repo_content = LLMService.format_code_content(files)
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                   st.success(f"スキャン完了: {len(files)}個のファイルを検出")
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                   # スキャン結果のダウンロードボタン
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                   scan_result = create_download_content(files)
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                   st.download_button(
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                       label="スキャン結果をダウンロード",
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                       data=scan_result,
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                       file_name=f"scan_result_{datetime.now().strftime('%Y%m%d_%H%M%S')}.md",
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                       mime="text/markdown"
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                   )
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            -
                   
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                   # 新しいスキャン時に会話履歴をクリア
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                   st.session_state.llm_service.clear_history()
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               except Exception as e:
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                   st.error(f"エラーが発生しました: {str(e)}")
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            # スキャン完了後の質問セクション
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            if st.session_state.repo_content:
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               st.divider()
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               st.subheader("💭 コードについて質問する")
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               # 会話履歴の表示(アシスタントの回答のみ)
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               for message in st.session_state.llm_service.conversation_history:
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                   if message.role == "assistant":
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                       st.markdown(f'<div class="chat-message assistant-message">{message.content}</div>', 
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                                  unsafe_allow_html=True)
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               query = st.text_area(
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                   "質問を入力してください",
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                   placeholder="例: このコードの主な機能は何ですか?"
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               )
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               col1, col2 = st.columns([1, 5])
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               with col1:
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                   if st.button("履歴クリア"):
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                       st.session_state.llm_service.clear_history()
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                       st.rerun()
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               with col2:
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                   if st.button("質問する", disabled=not query):
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                       with st.spinner('回答を生成中...'):
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                           response, error = st.session_state.llm_service.get_response(
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                               st.session_state.repo_content,
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                               query
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                           )
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                           if error:
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                               st.error(error)
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                           else:
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                               st.rerun()
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            # セッション終了時のクリーンアップ
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            if st.session_state.temp_dir and Path(st.session_state.temp_dir).exists():
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               try:
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                   import shutil
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                   shutil.rmtree(st.session_state.temp_dir)
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               except:
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                   pass
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            # app.py
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            import streamlit as st
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            import tempfile
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            +
            import shutil
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            from pathlib import Path
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            import git  # GitPython
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            from core.file_scanner import FileScanner, FileInfo
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| 9 |  | 
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            # =====================================
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            # セッション状態の初期化
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            +
            # =====================================
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            +
            if 'scanned_files' not in st.session_state:
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            +
                st.session_state.scanned_files = []  # スキャンしたFileInfoリスト
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            +
            if 'selected_files' not in st.session_state:
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            +
                st.session_state.selected_files = set()  # ユーザーが選択中のファイルパス (相対パス)
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            +
            if 'cloned_repo_dir' not in st.session_state:
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            +
                st.session_state.cloned_repo_dir = None  # クローン先ディレクトリの絶対パス文字列
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            +
             | 
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            # =====================================
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            # タイトル等
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            # =====================================
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            st.title("Gitリポジトリ スキャナー")
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            st.markdown("**ディレクトリ構造をツリー表示し、ファイルを選んでMarkdownダウンロードできます**\n(**ワイドモード推奨**)")
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            +
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            # =====================================
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            +
            # ツリー構造を生成する関数
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            +
            # =====================================
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            +
            def build_tree(paths):
         | 
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            +
                """
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            +
                相対パス(Pathオブジェクト)のリストからツリー状のネスト構造を構築する。
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            +
                戻り値は {要素名 -> 子要素のdict or None} という入れ子の辞書。
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                """
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            +
                tree = {}
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            +
                for p in paths:
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            +
                    parts = p.parts
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            +
                    current = tree
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            +
                    for i, part in enumerate(parts):
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            +
                        if i == len(parts) - 1:
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            +
                            # ファイルやフォルダの末端
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                            current[part] = None
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                        else:
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            +
                            if part not in current:
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                                current[part] = {}
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                            if isinstance(current[part], dict):
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                                current = current[part]
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                            else:
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            +
                                # もしNoneだった場合(同名のファイル/フォルダがあるなど) → 無理やりdictに
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                                current[part] = {}
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                                current = current[part]
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                return tree
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            +
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            def format_tree(tree_dict, prefix=""):
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                """
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                build_tree()で作ったネスト構造をASCIIアートのツリー文字列にする。
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                """
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            +
                lines = []
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            +
                entries = sorted(tree_dict.keys())
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            +
                for i, entry in enumerate(entries):
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            +
                    is_last = (i == len(entries) - 1)
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            +
                    marker = "└── " if is_last else "├── "
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            +
                    # 子要素がある(=dict)ならフォルダ、Noneならファイル
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            +
                    if isinstance(tree_dict[entry], dict):
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            +
                        # フォルダとして表示
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            +
                        lines.append(prefix + marker + entry + "/")
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| 66 | 
            +
                        # 次の階層のプレフィックスを用意
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            +
                        extension = "    " if is_last else "│   "
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            +
                        sub_prefix = prefix + extension
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            +
                        # 再帰的に生成
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                        lines.extend(format_tree(tree_dict[entry], sub_prefix))
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            +
                    else:
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            +
                        # ファイルとして表示
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            +
                        lines.append(prefix + marker + entry)
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            +
                return lines
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            +
             | 
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            +
             | 
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            +
            # =====================================
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            +
            # ユーザー入力
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            +
            # =====================================
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            repo_url = st.text_input("GitリポジトリURL (例: https://github.com/username/repo.git)")
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            +
             | 
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            st.subheader("スキャン対象拡張子")
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            +
            available_exts = [".py", ".js", ".ts", ".sh", ".md", ".txt", ".java", ".cpp"]
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| 84 | 
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            chosen_exts = []
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| 85 | 
            +
            for ext in available_exts:
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            +
                default_checked = (ext in [".py", ".md"])  # デモ用に .py と .md を初期ON
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| 87 | 
            +
                if st.checkbox(ext, key=f"ext_{ext}", value=default_checked):
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            +
                    chosen_exts.append(ext)
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| 89 | 
            +
             | 
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            +
            # =====================================
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            +
            # スキャン開始ボタン
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| 92 | 
            +
            # =====================================
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            +
            if st.button("スキャン開始"):
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| 94 | 
            +
                if not repo_url.strip():
         | 
| 95 | 
            +
                    st.error("リポジトリURLを入力してください。")
         | 
| 96 | 
            +
                else:
         | 
| 97 | 
            +
                    # 既にクローン済フォルダがあれば削除
         | 
| 98 | 
            +
                    if st.session_state.cloned_repo_dir and Path(st.session_state.cloned_repo_dir).exists():
         | 
| 99 | 
            +
                        shutil.rmtree(st.session_state.cloned_repo_dir, ignore_errors=True)
         | 
| 100 | 
            +
                    
         | 
| 101 | 
            +
                    # 一時フォルダを作成してクローン
         | 
| 102 | 
            +
                    tmp_dir = tempfile.mkdtemp()
         | 
| 103 | 
            +
                    clone_path = Path(tmp_dir) / "cloned_repo"
         | 
| 104 | 
            +
             | 
| 105 | 
            +
                    try:
         | 
| 106 | 
            +
                        st.write(f"リポジトリをクローン中: {clone_path}")
         | 
| 107 | 
            +
                        git.Repo.clone_from(repo_url, clone_path)
         | 
| 108 | 
            +
                        st.session_state.cloned_repo_dir = str(clone_path)
         | 
| 109 | 
            +
                    except Exception as e:
         | 
| 110 | 
            +
                        st.error(f"クローン失敗: {e}")
         | 
| 111 | 
            +
                        st.session_state.cloned_repo_dir = None
         | 
| 112 | 
            +
                        st.session_state.scanned_files = []
         | 
| 113 | 
            +
                        st.stop()
         | 
| 114 | 
            +
             | 
| 115 | 
            +
                    # スキャン
         | 
| 116 | 
            +
                    scanner = FileScanner(base_dir=clone_path, target_extensions=set(chosen_exts))
         | 
| 117 | 
            +
                    found_files = scanner.scan_files()
         | 
| 118 | 
            +
             | 
| 119 | 
            +
                    st.session_state.scanned_files = found_files
         | 
| 120 | 
            +
                    st.session_state.selected_files = set()
         | 
| 121 | 
            +
             | 
| 122 | 
            +
                    st.success(f"スキャン完了: {len(found_files)}個のファイルを検出")
         | 
| 123 | 
            +
             | 
| 124 | 
            +
            # =====================================
         | 
| 125 | 
            +
            # クローン削除ボタン
         | 
| 126 | 
            +
            # =====================================
         | 
| 127 | 
            +
            if st.session_state.cloned_repo_dir:
         | 
| 128 | 
            +
                if st.button("クローン済みデータを削除"):
         | 
| 129 | 
            +
                    shutil.rmtree(st.session_state.cloned_repo_dir, ignore_errors=True)
         | 
| 130 | 
            +
                    st.session_state.cloned_repo_dir = None
         | 
| 131 | 
            +
                    st.session_state.scanned_files = []
         | 
| 132 | 
            +
                    st.session_state.selected_files = set()
         | 
| 133 | 
            +
                    st.success("クローンしたディレクトリを削除しました")
         | 
| 134 | 
            +
             | 
| 135 | 
            +
            # =====================================
         | 
| 136 | 
            +
            # スキャン結果がある場合 → ツリー表示 + ファイル選択
         | 
| 137 | 
            +
            # =====================================
         | 
| 138 | 
            +
            if st.session_state.scanned_files:
         | 
| 139 | 
            +
                base_path = Path(st.session_state.cloned_repo_dir)
         | 
| 140 | 
            +
             | 
| 141 | 
            +
                # --- ツリーを作る ---
         | 
| 142 | 
            +
                # scanned_files は「指定拡張子」だけ取得されているので、そのファイルパスのみでツリーを構築
         | 
| 143 | 
            +
                rel_paths = [f.path.relative_to(base_path) for f in st.session_state.scanned_files]
         | 
| 144 | 
            +
                tree_dict = build_tree(rel_paths)
         | 
| 145 | 
            +
                tree_lines = format_tree(tree_dict)
         | 
| 146 | 
            +
                ascii_tree = "\n".join(tree_lines)
         | 
| 147 | 
            +
             | 
| 148 | 
            +
                st.write("## スキャン結果")
         | 
| 149 | 
            +
                col_tree, col_files = st.columns([1, 2])  # 左:ツリー, 右:ファイル一覧
         | 
| 150 | 
            +
             | 
| 151 | 
            +
                with col_tree:
         | 
| 152 | 
            +
                    st.markdown("**ディレクトリ構造 (指定拡張子のみ)**")
         | 
| 153 | 
            +
                    st.markdown(f"```\n{ascii_tree}\n```")
         | 
| 154 | 
            +
             | 
| 155 | 
            +
                with col_files:
         | 
| 156 | 
            +
                    st.markdown("**ファイル一覧 (チェックボックス)**")
         | 
| 157 | 
            +
             | 
| 158 | 
            +
                    col_btn1, col_btn2 = st.columns(2)
         | 
| 159 | 
            +
                    with col_btn1:
         | 
| 160 | 
            +
                        if st.button("すべて選択"):
         | 
| 161 | 
            +
                            st.session_state.selected_files = set(rel_paths)
         | 
| 162 | 
            +
                    with col_btn2:
         | 
| 163 | 
            +
                        if st.button("すべて解除"):
         | 
| 164 | 
            +
                            st.session_state.selected_files = set()
         | 
| 165 | 
            +
             | 
| 166 | 
            +
                    for file_info in st.session_state.scanned_files:
         | 
| 167 | 
            +
                        rel_path = file_info.path.relative_to(base_path)
         | 
| 168 | 
            +
                        checked = rel_path in st.session_state.selected_files
         | 
| 169 | 
            +
             | 
| 170 | 
            +
                        new_checked = st.checkbox(
         | 
| 171 | 
            +
                            f"{rel_path} ({file_info.formatted_size})",
         | 
| 172 | 
            +
                            value=checked,
         | 
| 173 | 
            +
                            key=str(rel_path)  # keyの重複回避
         | 
| 174 | 
            +
                        )
         | 
| 175 | 
            +
                        if new_checked:
         | 
| 176 | 
            +
                            st.session_state.selected_files.add(rel_path)
         | 
| 177 | 
            +
                        else:
         | 
| 178 | 
            +
                            st.session_state.selected_files.discard(rel_path)
         | 
| 179 | 
            +
             | 
| 180 | 
            +
             | 
| 181 | 
            +
            # =====================================
         | 
| 182 | 
            +
            # 選択ファイルをまとめてMarkdown化 & ダウンロード
         | 
| 183 | 
            +
            # =====================================
         | 
| 184 | 
            +
            def create_markdown_for_selected(files, selected_paths, base_dir: Path) -> str:
         | 
| 185 | 
            +
                output = []
         | 
| 186 | 
            +
                for f in files:
         | 
| 187 | 
            +
                    rel_path = f.path.relative_to(base_dir)
         | 
| 188 | 
            +
                    if rel_path in selected_paths:
         | 
| 189 | 
            +
                        output.append(f"## {rel_path}")
         | 
| 190 | 
            +
                        output.append("------------")
         | 
| 191 | 
            +
                        if f.content is not None:
         | 
| 192 | 
            +
                            output.append(f.content)
         | 
| 193 | 
            +
                        else:
         | 
| 194 | 
            +
                            output.append("# Failed to read content")
         | 
| 195 | 
            +
                        output.append("")  # 空行
         | 
| 196 | 
            +
                return "\n".join(output)
         | 
| 197 | 
            +
             | 
| 198 | 
            +
            if st.session_state.scanned_files:
         | 
| 199 | 
            +
                st.write("## 選択ファイルをダウンロード")
         | 
| 200 | 
            +
                if st.button("選択ファイルをMarkdownとしてダウンロード(整形後,下にダウンロードボタンが出ます)"):
         | 
| 201 | 
            +
                    base_path = Path(st.session_state.cloned_repo_dir)
         | 
| 202 | 
            +
                    markdown_text = create_markdown_for_selected(
         | 
| 203 | 
            +
                        st.session_state.scanned_files,
         | 
| 204 | 
            +
                        st.session_state.selected_files,
         | 
| 205 | 
            +
                        base_path
         | 
| 206 | 
            +
                    )
         | 
| 207 | 
            +
                    st.download_button(
         | 
| 208 | 
            +
                        label="Markdownダウンロード",
         | 
| 209 | 
            +
                        data=markdown_text,
         | 
| 210 | 
            +
                        file_name="selected_files.md",
         | 
| 211 | 
            +
                        mime="text/markdown"
         | 
| 212 | 
             
                    )
         | 
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