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- from xpinyin import Pinyin
- from fastapi import Request
- def generate_english_name(chinese_name: str) -> str:
- """
- Generate english name from chinese name.
- Rule: Surname initial + First name full pinyin.
- Example: 张三 -> zsan
- """
- if not chinese_name:
- return ""
-
- p = Pinyin()
- # Assuming first char is surname
- surname = chinese_name[0]
- firstname = chinese_name[1:]
-
- surname_pinyin = p.get_pinyin(surname, "").lower()
- firstname_initial = p.get_initials(firstname, "").lower()
-
- return f"{surname_pinyin}{firstname_initial}"
- def get_client_ip(request: Request) -> str:
- """
- Get client IP address from request headers or fallback to client host.
- Prioritizes X-Forwarded-For and X-Real-IP headers.
- """
- forwarded_for = request.headers.get("X-Forwarded-For")
- if forwarded_for:
- return forwarded_for.split(",")[0].strip()
-
- real_ip = request.headers.get("X-Real-IP")
- if real_ip:
- return real_ip
-
- return request.client.host if request.client else "0.0.0.0"
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