feat: 新增企微 Delta 模式相关配置读取函数

Co-authored-by: Cursor <cursoragent@cursor.com>

daily/config.py

@@ -3,13 +3,11 @@
 from __future__ import annotations
 
 import os
-import sys
 from pathlib import Path
 
 from dotenv import load_dotenv
 
 ROOT = Path(__file__).resolve().parent.parent
-BOT_DIR = ROOT / "bot"
 OUTPUT_DIR = ROOT / "output"
 LOG_DIR = ROOT / "logs"
 CACHE_DIR = ROOT / ".cache"
@@ -45,16 +43,11 @@ def wecom_max_bytes() -> int:
     """兼容旧配置名。"""
     return wecom_chunk_bytes()
 
+
 load_dotenv(ROOT / ".env")
 load_dotenv(ROOT / ".env.local", override=True)
 
 
-def ensure_bot_on_path() -> None:
-    bot = str(BOT_DIR)
-    if bot not in sys.path:
-        sys.path.insert(0, bot)
-
-
 def _clean_env_value(raw: str | None) -> str | None:
     if raw is None:
         return None
@@ -79,3 +72,32 @@ def env_int(key: str, default: int) -> int:
         return int(raw)
     except ValueError:
         return default
+
+
+def env_bool(key: str, default: bool) -> bool:
+    raw = env(key)
+    if raw is None:
+        return default
+    return raw.strip().lower() in {"1", "true", "yes", "on"}
+
+
+def wecom_mode() -> str:
+    raw = (env("DAILY_WECOM_MODE") or "delta").strip().lower()
+    return raw if raw in {"full", "delta"} else "delta"
+
+
+def news_dedup_days() -> int:
+    return max(1, env_int("DAILY_NEWS_DEDUP_DAYS", 7))
+
+
+def skip_push_when_silent() -> bool:
+    return env_bool("DAILY_SKIP_PUSH_WHEN_SILENT", True)
+
+
+def delta_baseline_fallback() -> str:
+    raw = (env("DAILY_DELTA_BASELINE_FALLBACK") or "full").strip().lower()
+    return raw if raw in {"full", "empty"} else "full"
+
+
+def force_push() -> bool:
+    return env_bool("DAILY_FORCE_PUSH", False)

tests/test_wecom_delta.py

@@ -0,0 +1,42 @@
+"""Tests for WeCom delta mode."""
+
+from __future__ import annotations
+
+import os
+import unittest
+from unittest.mock import patch
+
+from daily.config import (
+    delta_baseline_fallback,
+    env_bool,
+    force_push,
+    news_dedup_days,
+    skip_push_when_silent,
+    wecom_mode,
+)
+
+
+class ConfigHelpersTests(unittest.TestCase):
+    def test_wecom_mode_defaults_delta(self):
+        with patch.dict(os.environ, {}, clear=True):
+            self.assertEqual(wecom_mode(), "delta")
+
+    def test_wecom_mode_full(self):
+        with patch.dict(os.environ, {"DAILY_WECOM_MODE": "full"}, clear=True):
+            self.assertEqual(wecom_mode(), "full")
+
+    def test_env_bool_truthy(self):
+        with patch.dict(os.environ, {"DAILY_FORCE_PUSH": "1"}, clear=True):
+            self.assertTrue(env_bool("DAILY_FORCE_PUSH", False))
+
+    def test_skip_push_when_silent_default(self):
+        with patch.dict(os.environ, {}, clear=True):
+            self.assertTrue(skip_push_when_silent())
+
+    def test_news_dedup_days_default(self):
+        with patch.dict(os.environ, {}, clear=True):
+            self.assertEqual(news_dedup_days(), 7)
+
+    def test_delta_baseline_fallback_default(self):
+        with patch.dict(os.environ, {}, clear=True):
+            self.assertEqual(delta_baseline_fallback(), "full")