35 lines
2.3 KiB
Python
35 lines
2.3 KiB
Python
#!/usr/bin/env python3
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"""Read-only sweep of this worktree and focused TMPDIR, including deleted cwd."""
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import datetime
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import json
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import os
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from pathlib import Path
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HERE=Path(__file__).resolve().parent
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REPO=HERE.parents[3]
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RUN=HERE/'run3-gate'
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def main():
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tmp=Path((RUN/'TMPDIR').read_text().strip())
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started=datetime.datetime.fromisoformat((RUN/'start.txt').read_text().strip().replace('Z','+00:00')).timestamp()
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boot=int(next(s.split()[1] for s in Path('/proc/stat').read_text().splitlines() if s.startswith('btime ')))
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ancestors=set();pid=os.getpid()
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while pid and pid not in ancestors:
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ancestors.add(pid)
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try:pid=int(next(s.split(':')[1] for s in Path(f'/proc/{pid}/status').read_text().splitlines() if s.startswith('PPid:')))
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except (OSError,StopIteration):break
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known={2880281,2880282,2880283,2880284,2880445,2880487,2880537,2883251,2880439,2469277,2469278,2469279,2469292,2469478,2469485,2469518,2469601,2470486}
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remaining=[];excluded=[]
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for proc in Path('/proc').iterdir():
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if not proc.name.isdigit() or int(proc.name) in ancestors:continue
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try:
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rawcwd=os.readlink(proc/'cwd');cwd=Path(rawcwd.removesuffix(' (deleted)'))
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if not(cwd==REPO or REPO in cwd.parents or cwd==tmp or tmp in cwd.parents):continue
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stat=(proc/'stat').read_text().rsplit(') ',1)[1].split()
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stamp=boot+int(stat[19])/os.sysconf('SC_CLK_TCK')
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item=dict(pid=int(proc.name),comm=(proc/'comm').read_text().strip(),cwd=rawcwd,started_utc=datetime.datetime.fromtimestamp(stamp,datetime.timezone.utc).isoformat())
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if int(proc.name) in known and stamp<started:excluded.append(item)
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else:remaining.append(item)
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except (OSError,ValueError,IndexError):continue
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result=dict(timestamp=datetime.datetime.now(datetime.timezone.utc).isoformat(),count=len(remaining),remaining=remaining,excluded_preexisting_infrastructure=excluded,note='Read-only /proc cwd sweep, including deleted cwd under this run TMPDIR. Own ancestry excluded. Only known MCP/npm/code-mode infrastructure PIDs with pre-run start ticks are excluded. No signalling.')
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(RUN/'sweep.json').write_text(json.dumps(result,indent=2)+'\n');print(json.dumps(result,indent=2))
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if __name__=='__main__':main()
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