Feature: update rules.toml automatically if it has not been modified

accesser/__init__.py

@@ -203,6 +203,16 @@ async def main():
     global context, cert_store, cert_lock, DNSresolver
     print(f"Accesser v{__version__}  Copyright (C) 2018-2024  URenko")
     setting.parse_args()
+
+    if setting.rules_update_case in ('old', 'missing'):
+        logger.warning("Updated rules.toml because it is %s.", setting.rules_update_case)
+    elif setting.rules_update_case == 'modified':
+        logger.warning("You've already modified rules.toml, so it won't be updated automatically!")
+    else:
+        logger.debug("rules.toml status: %s", setting.rules_update_case)
+
+    if any(_keys in setting._config for _keys in setting._rules):
+        logger.warning("Some sections of config.toml overlap with rules.toml, config.toml has higher priority, but this may make rule updates ineffective.")
 
     DNSresolver = dns.asyncresolver.Resolver(configure=False)
     DNSresolver.cache = dns.resolver.LRUCache()

accesser/utils/setting.py

@@ -1,5 +1,5 @@
 from pathlib import Path
-import shutil
+import shutil, os, filecmp
 try:
     import tomllib
 except ModuleNotFoundError:
@@ -8,15 +8,29 @@
 
 basepath = Path(__file__).parent.parent
 
-if not Path('rules.toml').exists():
+if Path('rules.toml').exists():
+    if Path('rules.toml').stat().st_mtime_ns > 0:
+        rules_update_case = 'modified'
+    else:
+        if filecmp.cmp('rules.toml', basepath / 'rules.toml'):
+            rules_update_case = 'holding'
+        else:
+            rules_update_case = 'old'
+else:
+    rules_update_case = 'missing'
+if rules_update_case in ('old', 'missing'):
     shutil.copyfile(basepath / 'rules.toml', 'rules.toml')
+    os.utime('rules.toml', ns=(0, 0))
 with open('rules.toml', 'rb') as f:
-    config = tomllib.load(f)
+    _rules = tomllib.load(f)
+    config = _rules.copy()
 
 if not Path('config.toml').exists():
     shutil.copyfile(basepath / 'config.toml', 'config.toml')
 with open('config.toml', 'rb') as f:
-    config |= tomllib.load(f)
+    _config = tomllib.load(f)
+
+config |= _config
 
 def parse_args():
     parser = argparse.ArgumentParser()