From 4ae53c27253a1633a14adc39a3e007c6b7fb9830 Mon Sep 17 00:00:00 2001
From: Kenichiro NOGI <systemadmin@next-hd.co.jp>
Date: Sun, 2 Aug 2026 10:08:02 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20config.txt=E8=AA=AD=E8=BE=BC=E3=83=A2?=
 =?UTF-8?q?=E3=82=B8=E3=83=A5=E3=83=BC=E3=83=AB=E3=82=92=E8=BF=BD=E5=8A=A0?=
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Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
---
 .../ScanOCR/スクリプト/config_loader.py       | 45 +++++++++++++++
 .../スクリプト/tests/test_config_loader.py    | 55 +++++++++++++++++++
 2 files changed, 100 insertions(+)
 create mode 100644 PythonProj/ScanOCR/スクリプト/config_loader.py
 create mode 100644 PythonProj/ScanOCR/スクリプト/tests/test_config_loader.py

diff --git a/PythonProj/ScanOCR/スクリプト/config_loader.py b/PythonProj/ScanOCR/スクリプト/config_loader.py
new file mode 100644
index 00000000..72d6797e
--- /dev/null
+++ b/PythonProj/ScanOCR/スクリプト/config_loader.py
@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+"""config.txt（key=value形式）読込モジュール。"""
+from __future__ import annotations
+
+from pathlib import Path
+
+
+class ConfigError(Exception):
+    pass
+
+
+REQUIRED_KEYS = (
+    "スクリプトフォルダ",
+    "テンプレートフォルダ",
+    "スキャンフォルダ",
+    "アウトプットフォルダ",
+    "成功フォルダ",
+    "失敗フォルダ",
+    "ログフォルダ",
+    "margin",
+    "DPI",
+    "ファイル安定待ち秒",
+    "ファイル安定待ちリトライ回数",
+)
+
+
+def load_config(config_path: Path) -> dict[str, str]:
+    if not config_path.exists():
+        raise ConfigError(f"config.txt が見つかりません: {config_path}")
+
+    config: dict[str, str] = {}
+    for raw_line in config_path.read_text(encoding="utf-8").splitlines():
+        line = raw_line.strip()
+        if not line or line.startswith("#") or "=" not in line:
+            continue
+        key, _, value = line.partition("=")
+        config[key.strip()] = value.strip()
+
+    missing = [key for key in REQUIRED_KEYS if key not in config]
+    if missing:
+        raise ConfigError(
+            f"config.txt に必須項目が不足しています: {', '.join(missing)}"
+        )
+
+    return config
diff --git a/PythonProj/ScanOCR/スクリプト/tests/test_config_loader.py b/PythonProj/ScanOCR/スクリプト/tests/test_config_loader.py
new file mode 100644
index 00000000..5c42cf09
--- /dev/null
+++ b/PythonProj/ScanOCR/スクリプト/tests/test_config_loader.py
@@ -0,0 +1,55 @@
+import pytest
+from pathlib import Path
+
+from config_loader import ConfigError, load_config
+
+
+VALID_CONTENT = """\
+スクリプトフォルダ=スクリプト
+テンプレートフォルダ=テンプレート
+スキャンフォルダ=スキャン
+アウトプットフォルダ=アウトプット
+成功フォルダ=成功
+失敗フォルダ=失敗
+ログフォルダ=ログ
+margin=0.10
+DPI=300
+ファイル安定待ち秒=1
+ファイル安定待ちリトライ回数=5
+"""
+
+
+def test_load_config_missing_file_raises(tmp_path):
+    missing_path = tmp_path / "config.txt"
+    with pytest.raises(ConfigError):
+        load_config(missing_path)
+
+
+def test_load_config_parses_all_keys(tmp_path):
+    config_path = tmp_path / "config.txt"
+    config_path.write_text(VALID_CONTENT, encoding="utf-8")
+
+    config = load_config(config_path)
+
+    assert config["スクリプトフォルダ"] == "スクリプト"
+    assert config["テンプレートフォルダ"] == "テンプレート"
+    assert config["margin"] == "0.10"
+    assert config["ファイル安定待ちリトライ回数"] == "5"
+
+
+def test_load_config_missing_required_key_raises(tmp_path):
+    config_path = tmp_path / "config.txt"
+    config_path.write_text("スクリプトフォルダ=スクリプト\n", encoding="utf-8")
+
+    with pytest.raises(ConfigError):
+        load_config(config_path)
+
+
+def test_load_config_ignores_blank_lines_and_comments(tmp_path):
+    config_path = tmp_path / "config.txt"
+    content = "# comment\n\n" + VALID_CONTENT
+    config_path.write_text(content, encoding="utf-8")
+
+    config = load_config(config_path)
+
+    assert config["スクリプトフォルダ"] == "スクリプト"