dzming.li
解锁并提取Linux客户端微信数据库 (vibe coded)
1import os
2import subprocess
3from pathlib import Path
4from typing import Optional
5
6
7def _extract_wechat_files_path_from_cmdline(cmdline):
8 if not cmdline:
9 return None
10 for i, arg in enumerate(cmdline):
11 if arg.startswith("--wechat-files-path="):
12 return arg.split("=", 1)[1]
13 if arg == "--wechat-files-path" and i + 1 < len(cmdline):
14 return cmdline[i + 1]
15 return None
16
17
18def find_wechat_files_path() -> Optional[str]:
19 # 1) env override
20 for env_key in ("WECHAT_FILES_PATH", "WX_FILES_PATH", "XWECHAT_FILES_PATH"):
21 val = os.environ.get(env_key)
22 if val and os.path.exists(val):
23 return val
24
25 # 2) parse running WeChat cmdline via /proc to avoid psutil dependency
26 try:
27 pgrep = subprocess.run(["pgrep", "-f", "WeChat"], capture_output=True, text=True, check=False)
28 if pgrep.returncode == 0:
29 for line in pgrep.stdout.splitlines():
30 pid = line.strip()
31 if not pid.isdigit():
32 continue
33 try:
34 with open(f"/proc/{pid}/cmdline", "rb") as f:
35 cmdline = f.read().split(b"\x00")
36 cmdline = [c.decode(errors="ignore") for c in cmdline if c]
37 except Exception:
38 cmdline = []
39 path = _extract_wechat_files_path_from_cmdline(cmdline)
40 if path and os.path.exists(path):
41 return path
42 except Exception:
43 pass
44
45 # 3) common locations for Linux WeChat AppImage
46 home = Path.home()
47 candidates = [
48 home / "文档" / "xwechat_files",
49 home / "Documents" / "xwechat_files",
50 home / "xwechat_files",
51 home / ".xwechat" / "xwechat_files",
52 home / ".local" / "share" / "wechat" / "xwechat_files",
53 home / ".local" / "share" / "WeChat Files",
54 ]
55 for p in candidates:
56 if p.exists():
57 return str(p)
58
59 # 4) shallow search (one level) for xwechat_files
60 for p in (home / "文档", home / "Documents", home):
61 if p.exists():
62 target = p / "xwechat_files"
63 if target.exists():
64 return str(target)
65 return None