反检测浏览器代理：每个配置文件一个独立 IP，国家可选，在线 IP 约 50 万个，按 GB 计费，支持 SOCKS5

import csv, json, os

LINES_FILE = "flex_lines.txt"
PROFILES_FILE = "profiles.txt"
STATE_FILE = "assigned.json"
OUT_FILE = "antidetect_import.csv"
PROTOCOL = "socks5"

lines = [line.strip() for line in open(LINES_FILE, encoding="utf-8") if line.count(":") == 3]
profiles = [name.strip() for name in open(PROFILES_FILE, encoding="utf-8") if name.strip()]
saved = json.load(open(STATE_FILE, encoding="utf-8")) if os.path.exists(STATE_FILE) else {}

pool = set(lines)
assigned = {name: line for name, line in saved.items() if name in profiles and line in pool}
taken = set(assigned.values())
free = [line for line in lines if line not in taken]
for name in profiles:
    if name not in assigned:
        if not free:
            raise SystemExit(f"Not enough lines: {len(profiles)} profiles, {len(lines)} lines")
        assigned[name] = free.pop(0)

with open(STATE_FILE, "w", encoding="utf-8") as f:
    json.dump(assigned, f, indent=1)
with open(OUT_FILE, "w", newline="", encoding="utf-8") as out:
    writer = csv.writer(out)
    writer.writerow(["name", "type", "host", "port", "login", "password"])
    for name in profiles:
        writer.writerow([name, PROTOCOL, *assigned[name].split(":")])
moved = sum(saved.get(name) != assigned[name] for name in profiles)
print(f"{len(profiles)} profiles, {moved} got a new line, spare lines: {len(free)} -> {OUT_FILE}")