feat:自动更换ip+流量监控

services/aws_region.py

@@ -0,0 +1,24 @@
+"""AWS 区域验证"""
+from __future__ import annotations
+
+import re
+
+
+_AWS_REGION_RE = re.compile(r"^[a-z]{2}(-gov)?-[a-z]+-\d+$")
+_AWS_AZ_RE = re.compile(r"^([a-z]{2}(-gov)?-[a-z]+-\d+)[a-z]$")
+
+
+def normalize_aws_region(value: str | None) -> str:
+    raw = (value or "").strip().lower()
+    if not raw:
+        return ""
+    m = _AWS_AZ_RE.match(raw)
+    if m:
+        return m.group(1)
+    return raw
+
+
+def is_valid_aws_region(value: str | None) -> bool:
+    if not value:
+        return False
+    return bool(_AWS_REGION_RE.match(value.strip().lower()))