mirror of
https://github.com/NousResearch/hermes-agent.git
synced 2026-05-09 03:11:58 +00:00
feat(cross-platform): psutil for PID/process management + Windows footgun checker
## Why
Hermes supports Linux, macOS, and native Windows, but the codebase grew up
POSIX-first and has accumulated patterns that silently break (or worse,
silently kill!) on Windows:
- `os.kill(pid, 0)` as a liveness probe — on Windows this maps to
CTRL_C_EVENT and broadcasts Ctrl+C to the target's entire console
process group (bpo-14484, open since 2012).
- `os.killpg` — doesn't exist on Windows at all (AttributeError).
- `os.setsid` / `os.getuid` / `os.geteuid` — same.
- `signal.SIGKILL` / `signal.SIGHUP` / `signal.SIGUSR1` — module-attr
errors at runtime on Windows.
- `open(path)` / `open(path, "r")` without explicit encoding= — inherits
the platform default, which is cp1252/mbcs on Windows (UTF-8 on POSIX),
causing mojibake round-tripping between hosts.
- `wmic` — removed from Windows 10 21H1+.
This commit does three things:
1. Makes `psutil` a core dependency and migrates critical callsites to it.
2. Adds a grep-based CI gate (`scripts/check-windows-footguns.py`) that
blocks new instances of any of the above patterns.
3. Fixes every existing instance in the codebase so the baseline is clean.
## What changed
### 1. psutil as a core dependency (pyproject.toml)
Added `psutil>=5.9.0,<8` to core deps. psutil is the canonical
cross-platform answer for "is this PID alive" and "kill this process
tree" — its `pid_exists()` uses `OpenProcess + GetExitCodeProcess` on
Windows (NOT a signal call), and its `Process.children(recursive=True)`
+ `.kill()` combo replaces `os.killpg()` portably.
### 2. `gateway/status.py::_pid_exists`
Rewrote to call `psutil.pid_exists()` first, falling back to the
hand-rolled ctypes `OpenProcess + WaitForSingleObject` dance on Windows
(and `os.kill(pid, 0)` on POSIX) only if psutil is somehow missing —
e.g. during the scaffold phase of a fresh install before pip finishes.
### 3. `os.killpg` migration to psutil (7 callsites, 5 files)
- `tools/code_execution_tool.py`
- `tools/process_registry.py`
- `tools/tts_tool.py`
- `tools/environments/local.py` (3 sites kept as-is, suppressed with
`# windows-footgun: ok` — the pgid semantics psutil can't replicate,
and the calls are already Windows-guarded at the outer branch)
- `gateway/platforms/whatsapp.py`
### 4. `scripts/check-windows-footguns.py` (NEW, 500 lines)
Grep-based checker with 11 rules covering every Windows cross-platform
footgun we've hit so far:
1. `os.kill(pid, 0)` — the silent killer
2. `os.setsid` without guard
3. `os.killpg` (recommends psutil)
4. `os.getuid` / `os.geteuid` / `os.getgid`
5. `os.fork`
6. `signal.SIGKILL`
7. `signal.SIGHUP/SIGUSR1/SIGUSR2/SIGALRM/SIGCHLD/SIGPIPE/SIGQUIT`
8. `subprocess` shebang script invocation
9. `wmic` without `shutil.which` guard
10. Hardcoded `~/Desktop` (OneDrive trap)
11. `asyncio.add_signal_handler` without try/except
12. `open()` without `encoding=` on text mode
Features:
- Triple-quoted-docstring aware (won't flag prose inside docstrings)
- Trailing-comment aware (won't flag mentions in `# os.kill(pid, 0)` comments)
- Guard-hint aware (skips lines with `hasattr(os, ...)`,
`shutil.which(...)`, `if platform.system() != 'Windows'`, etc.)
- Inline suppression with `# windows-footgun: ok — <reason>`
- `--list` to print all rules with fixes
- `--all` / `--diff <ref>` / staged-files (default) modes
- Scans 380 files in under 2 seconds
### 5. CI integration
A GitHub Actions workflow that runs the checker on every PR and push is
staged at `/tmp/hermes-stash/windows-footguns.yml` — not included in this
commit because the GH token on the push machine lacks `workflow` scope.
A maintainer with `workflow` permissions should add it as
`.github/workflows/windows-footguns.yml` in a follow-up. Content:
```yaml
name: Windows footgun check
on:
push:
branches: [main]
pull_request:
branches: [main]
jobs:
check:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- uses: actions/setup-python@v5
with: {python-version: "3.11"}
- run: python scripts/check-windows-footguns.py --all
```
### 6. CONTRIBUTING.md — "Cross-Platform Compatibility" expansion
Expanded from 5 to 16 rules, each with message, example, and fix.
Recommends psutil as the preferred API for PID / process-tree operations.
### 7. Baseline cleanup (91 → 0 findings)
- 14 `open()` sites → added `encoding='utf-8'` (internal logs/caches) or
`encoding='utf-8-sig'` (user-editable files that Notepad may BOM)
- 23 POSIX-only callsites in systemd helpers, pty_bridge, and plugin
tool subprocess management → annotated with
`# windows-footgun: ok — <reason>`
- 7 `os.killpg` sites → migrated to psutil (see §3 above)
## Verification
```
$ python scripts/check-windows-footguns.py --all
✓ No Windows footguns found (380 file(s) scanned).
$ python -c "from gateway.status import _pid_exists; import os
> print('self:', _pid_exists(os.getpid())); print('bogus:', _pid_exists(999999))"
self: True
bogus: False
```
Proof-of-repro that `os.kill(pid, 0)` was actually killing processes
before this fix — see commit `1cbe39914` and bpo-14484. This commit
removes the last hand-rolled ctypes path from the hot liveness-check
path and defers to the best-maintained cross-platform answer.
This commit is contained in:
Teknium
parent
324567c936
commit
cc38282b04
28 changed files with 943 additions and 85 deletions
162
CONTRIBUTING.md
162
CONTRIBUTING.md
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@ -522,11 +522,57 @@ See `hermes_cli/skin_engine.py` for the full schema and existing skins as exampl
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## Cross-Platform Compatibility
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Hermes runs on Linux, macOS, and WSL2 on Windows. When writing code that touches the OS:
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Hermes runs on Linux, macOS, and native Windows (plus WSL2). When writing code
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that touches the OS, assume *any* platform can hit your code path.
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> **Before you PR:** run `scripts/check-windows-footguns.py` to catch the
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> common Windows-unsafe patterns in your diff. It's grep-based and cheap;
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> CI runs it on every PR too.
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### Critical rules
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1. **`termios` and `fcntl` are Unix-only.** Always catch both `ImportError` and `NotImplementedError`:
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1. **Never call `os.kill(pid, 0)` for liveness checks.** `os.kill(pid, 0)`
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is a standard POSIX idiom to check "is this PID alive" — the signal 0
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is a no-op permission check. **On Windows it is NOT a no-op.** Python's
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Windows `os.kill` maps `sig=0` to `CTRL_C_EVENT` (they collide at the
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integer value 0) and routes it through `GenerateConsoleCtrlEvent(0, pid)`,
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which broadcasts Ctrl+C to the **entire console process group** containing
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the target PID. "Probe if alive" silently becomes "kill the target and
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often unrelated processes sharing its console." See [bpo-14484](https://bugs.python.org/issue14484)
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(open since 2012 — will never be fixed for compat reasons).
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**Preferred:** use `psutil` (a core dependency — always available):
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```python
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import psutil
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if psutil.pid_exists(pid):
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# process is alive — safe on every platform
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...
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```
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If you specifically need the hermes wrapper (it has a stdlib fallback
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for scaffold-phase imports before pip install finishes), use
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`gateway.status._pid_exists(pid)`. It calls `psutil.pid_exists` first
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and falls back to a hand-rolled `OpenProcess + WaitForSingleObject`
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dance on Windows only when psutil is somehow missing.
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Audit grep for new callsites: `rg "os\.kill\([^,]+,\s*0\s*\)"`. Any hit
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in non-test code is presumptively a Windows silent-kill bug.
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2. **Use `shutil.which()` before shelling out — don't assume Windows has
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tools Linux has.** `wmic` was removed in Windows 10 21H1 and later. `ps`,
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`kill`, `grep`, `awk`, `fuser`, `lsof`, `pgrep`, and most POSIX CLI tools
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simply don't exist on Windows. Test availability with
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`shutil.which("tool")` and fall back to a Windows-native equivalent —
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usually PowerShell via `subprocess.run(["powershell", "-NoProfile",
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"-Command", ...])`.
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For process enumeration: PowerShell's `Get-CimInstance Win32_Process` is
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the modern replacement for `wmic process`. See
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`hermes_cli/gateway.py::_scan_gateway_pids` for the pattern.
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3. **`termios` and `fcntl` are Unix-only.** Always catch both `ImportError`
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and `NotImplementedError`:
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```python
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try:
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from simple_term_menu import TerminalMenu
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@ -539,24 +585,126 @@ Hermes runs on Linux, macOS, and WSL2 on Windows. When writing code that touches
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idx = int(input("Choice: ")) - 1
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```
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2. **File encoding.** Windows may save `.env` files in `cp1252`. Always handle encoding errors:
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4. **File encoding.** Windows may save `.env` files in `cp1252`. Always
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handle encoding errors:
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```python
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try:
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load_dotenv(env_path)
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except UnicodeDecodeError:
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load_dotenv(env_path, encoding="latin-1")
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```
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Config files (`config.yaml`) may be saved with a UTF-8 BOM by Notepad and
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similar editors — use `encoding="utf-8-sig"` when reading files that
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could have been touched by a Windows GUI editor.
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3. **Process management.** `os.setsid()`, `os.killpg()`, and signal handling differ on Windows. Use platform checks:
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5. **Process management.** `os.setsid()`, `os.killpg()`, `os.fork()`,
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`os.getuid()`, and POSIX signal handling differ on Windows. Guard with
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`platform.system()`, `sys.platform`, or `hasattr(os, "setsid")`:
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```python
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import platform
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if platform.system() != "Windows":
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kwargs["preexec_fn"] = os.setsid
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else:
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kwargs["creationflags"] = subprocess.CREATE_NEW_PROCESS_GROUP
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```
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4. **Path separators.** Use `pathlib.Path` instead of string concatenation with `/`.
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**Preferred:** for killing a process AND its children (what `os.killpg`
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does on POSIX), use `psutil` — it works on every platform:
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```python
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import psutil
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try:
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parent = psutil.Process(pid)
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# Kill children first (leaf-up), then the parent.
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for child in parent.children(recursive=True):
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child.kill()
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parent.kill()
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except psutil.NoSuchProcess:
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pass
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```
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5. **Shell commands in installers.** If you change `scripts/install.sh`, check if the equivalent change is needed in `scripts/install.ps1`.
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6. **Signals that don't exist on Windows: `SIGALRM`, `SIGCHLD`, `SIGHUP`,
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`SIGUSR1`, `SIGUSR2`, `SIGPIPE`, `SIGQUIT`, `SIGKILL`.** Python's
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`signal` module raises `AttributeError` at import time if you reference
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them on Windows. Use `getattr(signal, "SIGKILL", signal.SIGTERM)` or
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gate the whole block behind a platform check. `loop.add_signal_handler`
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raises `NotImplementedError` on Windows — always catch it.
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7. **Path separators.** Use `pathlib.Path` instead of string concatenation
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with `/`. Forward slashes work almost everywhere on Windows, but
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`subprocess.run(["cmd.exe", "/c", ...])` and other shell contexts can
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require backslashes — convert with `str(path)` at the subprocess boundary,
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not inside Python logic.
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8. **Symlinks need elevated privileges on Windows** (unless Developer Mode is
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on). Tests that create symlinks need `@pytest.mark.skipif(sys.platform ==
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"win32", reason="Symlinks require elevated privileges on Windows")`.
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9. **POSIX file modes (0o600, 0o644, etc.) are NOT enforced on NTFS** by
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default. Tests that assert on `stat().st_mode & 0o777` must skip on
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Windows — the concept doesn't translate. Use ACLs (`icacls`, `pywin32`)
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for Windows secret-file protection if needed.
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10. **Detached background daemons on Windows need `pythonw.exe`, NOT
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`python.exe`.** `python.exe` always allocates or attaches to a console,
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which makes it vulnerable to `CTRL_C_EVENT` broadcasts from any sibling
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process. `pythonw.exe` is the no-console variant. Combine with
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`CREATE_NO_WINDOW | DETACHED_PROCESS | CREATE_NEW_PROCESS_GROUP |
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CREATE_BREAKAWAY_FROM_JOB` in `subprocess.Popen(creationflags=...)`.
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See `hermes_cli/gateway_windows.py::_spawn_detached` for the reference
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implementation.
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11. **`subprocess.Popen` with `.cmd` or `.bat` shims needs `shutil.which`
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to resolve.** Passing `"agent-browser"` to `Popen` on Windows finds
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the extensionless POSIX shebang shim in `node_modules/.bin/`, which
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`CreateProcessW` can't execute — you'll get `WinError 193 "not a valid
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Win32 application"`. Use `shutil.which("agent-browser", path=local_bin)`
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which honors PATHEXT and picks the `.CMD` variant on Windows.
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12. **Don't use shell shebangs as a way to run Python.** `#!/usr/bin/env
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python` only works when the file is executed through a Unix shell.
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`subprocess.run(["./myscript.py"])` on Windows fails even if the file
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has a shebang line. Always invoke Python explicitly:
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`[sys.executable, "myscript.py"]`.
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13. **Shell commands in installers.** If you change `scripts/install.sh`,
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make the equivalent change in `scripts/install.ps1`. The two scripts
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are the canonical example of "works on Linux does not mean works on
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Windows" and have drifted multiple times — keep them in lockstep.
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14. **Known paths that are OneDrive-redirected on Windows:** Desktop,
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Documents, Pictures, Videos. The "real" path when OneDrive Backup is
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enabled is `%USERPROFILE%\OneDrive\Desktop` (etc.), NOT
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`%USERPROFILE%\Desktop` (which exists as an empty husk). Resolve the
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real location via `ctypes` + `SHGetKnownFolderPath` or by reading the
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`Shell Folders` registry key — never assume `~/Desktop`.
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15. **CRLF vs LF in generated scripts.** Windows `cmd.exe` and `schtasks`
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parse line-by-line; mixed or LF-only line endings can break multi-line
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`.cmd` / `.bat` files. Use `open(path, "w", encoding="utf-8",
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newline="\r\n")` — or `open(path, "wb")` + explicit bytes — when
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generating scripts Windows will execute.
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16. **Two different quoting schemes in one command line.** `subprocess.run
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(["schtasks", "/TR", some_cmd])` → schtasks itself parses `/TR`, AND
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the `some_cmd` string is re-parsed by `cmd.exe` when the task fires.
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Different parsers, different escape rules. Use two separate quoting
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helpers and never cross them. See `hermes_cli/gateway_windows.py::
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_quote_cmd_script_arg` and `_quote_schtasks_arg` for the reference
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pair.
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### Testing cross-platform
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Tests that use POSIX-only syscalls need a skip marker. Common ones:
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- Symlinks → `@pytest.mark.skipif(sys.platform == "win32", ...)`
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- `0o600` file modes → `@pytest.mark.skipif(sys.platform.startswith("win"), ...)`
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- `signal.SIGALRM` → Unix-only (see `tests/conftest.py::_enforce_test_timeout`)
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- `os.setsid` / `os.fork` → Unix-only
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- Live Winsock / Windows-specific regression tests →
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`@pytest.mark.skipif(sys.platform != "win32", reason="Windows-specific regression")`
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If you monkeypatch `sys.platform` for cross-platform tests, also patch
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`platform.system()` / `platform.release()` / `platform.mac_ver()` — each
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re-reads the real OS independently, so half-patched tests still route
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through the wrong branch on a Windows runner.
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---
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@ -69,7 +69,7 @@ def _resolve_home_dir() -> str:
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try:
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import pwd
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resolved = pwd.getpwuid(os.getuid()).pw_dir.strip()
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resolved = pwd.getpwuid(os.getuid()).pw_dir.strip() # windows-footgun: ok — POSIX fallback inside try/except (pwd import fails on Windows)
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if resolved:
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return resolved
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except Exception:
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@ -155,10 +155,26 @@ def _terminate_bridge_process(proc, *, force: bool = False) -> None:
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raise OSError(details or f"taskkill failed for PID {proc.pid}")
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return
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import signal
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sig = signal.SIGTERM if not force else signal.SIGKILL
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os.killpg(os.getpgid(proc.pid), sig)
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import psutil
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try:
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parent = psutil.Process(proc.pid)
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children = parent.children(recursive=True)
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if force:
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for child in children:
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try:
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child.kill()
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except psutil.NoSuchProcess:
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pass
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parent.kill()
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else:
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for child in children:
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try:
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child.terminate()
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except psutil.NoSuchProcess:
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pass
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parent.terminate()
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except psutil.NoSuchProcess:
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return
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import sys
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sys.path.insert(0, str(Path(__file__).resolve().parents[2]))
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@ -15557,12 +15557,12 @@ async def start_gateway(config: Optional[GatewayConfig] = None, replace: bool =
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if threading.current_thread() is threading.main_thread():
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for sig in (signal.SIGINT, signal.SIGTERM):
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try:
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loop.add_signal_handler(sig, shutdown_signal_handler, sig)
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loop.add_signal_handler(sig, shutdown_signal_handler, sig) # windows-footgun: ok — wrapped in try/except NotImplementedError for Windows
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except NotImplementedError:
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pass
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if hasattr(signal, "SIGUSR1"):
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try:
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loop.add_signal_handler(signal.SIGUSR1, restart_signal_handler)
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loop.add_signal_handler(signal.SIGUSR1, restart_signal_handler) # windows-footgun: ok — POSIX signal, guarded by hasattr above + try/except NotImplementedError
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except NotImplementedError:
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pass
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else:
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|
|
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|
|
@ -313,10 +313,20 @@ def _pid_exists(pid: int) -> bool:
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killing that process (and often unrelated processes in the same
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console group). Long-standing Python quirk; see bpo-14484.
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|
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Fix: use the Win32 ``OpenProcess`` / ``WaitForSingleObject`` pair on
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Windows to check existence without any signal path; use the POSIX
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``os.kill(pid, 0)`` idiom on POSIX where it actually is a no-op.
|
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Implementation: prefer :mod:`psutil` (hard dependency — the canonical
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cross-platform answer, maintained by Giampaolo Rodolà, uses
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``OpenProcess + GetExitCodeProcess`` on Windows internally). Fall back
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to a hand-rolled ctypes ``OpenProcess`` / ``WaitForSingleObject`` pair
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on Windows + ``os.kill(pid, 0)`` on POSIX if psutil is somehow
|
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unavailable — e.g. stripped-down install or import error during the
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scaffold phase before ``psutil`` is pip-installed.
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"""
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try:
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import psutil # type: ignore
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return bool(psutil.pid_exists(int(pid)))
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except ImportError:
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pass # Fall through to stdlib fallback.
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if _IS_WINDOWS:
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try:
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import ctypes
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|
|
@ -352,7 +362,7 @@ def _pid_exists(pid: int) -> bool:
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return False
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else:
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try:
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os.kill(int(pid), 0)
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os.kill(int(pid), 0) # windows-footgun: ok — POSIX-only branch (the whole point of _pid_exists)
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return True
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except ProcessLookupError:
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return False
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|
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|
|
@ -893,7 +893,7 @@ def _file_lock(
|
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if msvcrt and (not lock_path.exists() or lock_path.stat().st_size == 0):
|
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lock_path.write_text(" ", encoding="utf-8")
|
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|
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with lock_path.open("r+" if msvcrt else "a+") as lock_file:
|
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with lock_path.open("r+" if msvcrt else "a+", encoding="utf-8") as lock_file:
|
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deadline = time.monotonic() + max(1.0, timeout_seconds)
|
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while True:
|
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try:
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|
|
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|||
|
|
@ -4160,8 +4160,9 @@ def load_env() -> Dict[str, str]:
|
|||
|
||||
if env_path.exists():
|
||||
# On Windows, open() defaults to the system locale (cp1252) which can
|
||||
# fail on UTF-8 .env files. Use explicit UTF-8 only on Windows.
|
||||
open_kw = {"encoding": "utf-8", "errors": "replace"} if _IS_WINDOWS else {}
|
||||
# fail on UTF-8 .env files. Always use explicit UTF-8; tolerate BOM
|
||||
# via utf-8-sig since users may edit .env in Notepad which adds one.
|
||||
open_kw = {"encoding": "utf-8-sig", "errors": "replace"}
|
||||
with open(env_path, **open_kw) as f:
|
||||
raw_lines = f.readlines()
|
||||
# Sanitize before parsing: split concatenated lines & drop stale
|
||||
|
|
@ -4246,8 +4247,8 @@ def sanitize_env_file() -> int:
|
|||
if not env_path.exists():
|
||||
return 0
|
||||
|
||||
read_kw = {"encoding": "utf-8", "errors": "replace"} if _IS_WINDOWS else {}
|
||||
write_kw = {"encoding": "utf-8"} if _IS_WINDOWS else {}
|
||||
read_kw = {"encoding": "utf-8-sig", "errors": "replace"}
|
||||
write_kw = {"encoding": "utf-8"}
|
||||
|
||||
with open(env_path, **read_kw) as f:
|
||||
original_lines = f.readlines()
|
||||
|
|
@ -4336,8 +4337,8 @@ def save_env_value(key: str, value: str):
|
|||
|
||||
# On Windows, open() defaults to the system locale (cp1252) which can
|
||||
# cause OSError errno 22 on UTF-8 .env files.
|
||||
read_kw = {"encoding": "utf-8", "errors": "replace"} if _IS_WINDOWS else {}
|
||||
write_kw = {"encoding": "utf-8"} if _IS_WINDOWS else {}
|
||||
read_kw = {"encoding": "utf-8-sig", "errors": "replace"}
|
||||
write_kw = {"encoding": "utf-8"}
|
||||
|
||||
lines = []
|
||||
if env_path.exists():
|
||||
|
|
@ -4406,8 +4407,8 @@ def remove_env_value(key: str) -> bool:
|
|||
os.environ.pop(key, None)
|
||||
return False
|
||||
|
||||
read_kw = {"encoding": "utf-8", "errors": "replace"} if _IS_WINDOWS else {}
|
||||
write_kw = {"encoding": "utf-8"} if _IS_WINDOWS else {}
|
||||
read_kw = {"encoding": "utf-8-sig", "errors": "replace"}
|
||||
write_kw = {"encoding": "utf-8"}
|
||||
|
||||
with open(env_path, **read_kw) as f:
|
||||
lines = f.readlines()
|
||||
|
|
|
|||
|
|
@ -113,7 +113,7 @@ def _sanitize_env_file_if_needed(path: Path) -> None:
|
|||
except ImportError:
|
||||
return # early bootstrap — config module not available yet
|
||||
|
||||
read_kw = {"encoding": "utf-8", "errors": "replace"}
|
||||
read_kw = {"encoding": "utf-8-sig", "errors": "replace"}
|
||||
try:
|
||||
with open(path, **read_kw) as f:
|
||||
original = f.readlines()
|
||||
|
|
|
|||
|
|
@ -177,7 +177,7 @@ def _request_gateway_self_restart(pid: int) -> bool:
|
|||
if not _is_pid_ancestor_of_current_process(pid):
|
||||
return False
|
||||
try:
|
||||
os.kill(pid, signal.SIGUSR1)
|
||||
os.kill(pid, signal.SIGUSR1) # windows-footgun: ok — POSIX signal, guarded by hasattr(signal, 'SIGUSR1') above
|
||||
except (ProcessLookupError, PermissionError, OSError):
|
||||
return False
|
||||
return True
|
||||
|
|
@ -213,7 +213,7 @@ def _graceful_restart_via_sigusr1(pid: int, drain_timeout: float) -> bool:
|
|||
if pid <= 0:
|
||||
return False
|
||||
try:
|
||||
os.kill(pid, signal.SIGUSR1)
|
||||
os.kill(pid, signal.SIGUSR1) # windows-footgun: ok — POSIX signal, guarded by hasattr(signal, 'SIGUSR1') above
|
||||
except ProcessLookupError:
|
||||
# Already gone — nothing to drain.
|
||||
return True
|
||||
|
|
@ -1196,13 +1196,13 @@ class SystemScopeRequiresRootError(RuntimeError):
|
|||
|
||||
def _user_dbus_socket_path() -> Path:
|
||||
"""Return the expected per-user D-Bus socket path (regardless of existence)."""
|
||||
xdg = os.environ.get("XDG_RUNTIME_DIR") or f"/run/user/{os.getuid()}"
|
||||
xdg = os.environ.get("XDG_RUNTIME_DIR") or f"/run/user/{os.getuid()}" # windows-footgun: ok — POSIX systemd helper, never invoked on Windows
|
||||
return Path(xdg) / "bus"
|
||||
|
||||
|
||||
def _user_systemd_private_socket_path() -> Path:
|
||||
"""Return the per-user systemd private socket path (regardless of existence)."""
|
||||
xdg = os.environ.get("XDG_RUNTIME_DIR") or f"/run/user/{os.getuid()}"
|
||||
xdg = os.environ.get("XDG_RUNTIME_DIR") or f"/run/user/{os.getuid()}" # windows-footgun: ok — POSIX systemd helper, never invoked on Windows
|
||||
return Path(xdg) / "systemd" / "private"
|
||||
|
||||
|
||||
|
|
@ -1225,7 +1225,7 @@ def _ensure_user_systemd_env() -> None:
|
|||
We detect the standard socket path and set the vars so all subsequent
|
||||
subprocess calls inherit them.
|
||||
"""
|
||||
uid = os.getuid()
|
||||
uid = os.getuid() # windows-footgun: ok — POSIX systemd helper, never invoked on Windows
|
||||
if "XDG_RUNTIME_DIR" not in os.environ:
|
||||
runtime_dir = f"/run/user/{uid}"
|
||||
if Path(runtime_dir).exists():
|
||||
|
|
@ -1291,7 +1291,7 @@ def _preflight_user_systemd(*, auto_enable_linger: bool = True) -> None:
|
|||
username,
|
||||
reason="User systemd control sockets are missing even though linger is enabled.",
|
||||
fix_hint=(
|
||||
f" systemctl start user@{os.getuid()}.service\n"
|
||||
f" systemctl start user@{os.getuid()}.service\n" # windows-footgun: ok — POSIX systemd helper, never invoked on Windows
|
||||
" (may require sudo; try again after the command succeeds)"
|
||||
),
|
||||
)
|
||||
|
|
@ -1561,7 +1561,7 @@ def remove_legacy_hermes_units(
|
|||
|
||||
# System-scope removal (needs root)
|
||||
if system_units:
|
||||
if os.geteuid() != 0:
|
||||
if os.geteuid() != 0: # windows-footgun: ok — Linux systemd removal path, guarded by `if system == "Linux"` / systemd-only branch
|
||||
print()
|
||||
print_warning("System-scope legacy units require root to remove.")
|
||||
print_info(" Re-run with: sudo hermes gateway migrate-legacy")
|
||||
|
|
@ -1608,7 +1608,7 @@ def print_systemd_scope_conflict_warning() -> None:
|
|||
|
||||
|
||||
def _require_root_for_system_service(action: str) -> None:
|
||||
if os.geteuid() != 0:
|
||||
if os.geteuid() != 0: # windows-footgun: ok — POSIX systemd helper, never invoked on Windows
|
||||
raise SystemScopeRequiresRootError(
|
||||
f"System gateway {action} requires root. Re-run with sudo.",
|
||||
action,
|
||||
|
|
@ -1676,7 +1676,7 @@ def install_linux_gateway_from_setup(force: bool = False) -> tuple[str | None, b
|
|||
|
||||
if scope == "system":
|
||||
run_as_user = _default_system_service_user()
|
||||
if os.geteuid() != 0:
|
||||
if os.geteuid() != 0: # windows-footgun: ok — Linux systemd install wizard, never invoked on Windows
|
||||
print_warning(" System service install requires sudo, so Hermes can't create it from this user session.")
|
||||
if run_as_user:
|
||||
print_info(f" After setup, run: sudo hermes gateway install --system --run-as-user {run_as_user}")
|
||||
|
|
@ -1720,7 +1720,7 @@ def get_systemd_linger_status() -> tuple[bool | None, str]:
|
|||
if not username:
|
||||
try:
|
||||
import pwd
|
||||
username = pwd.getpwuid(os.getuid()).pw_name
|
||||
username = pwd.getpwuid(os.getuid()).pw_name # windows-footgun: ok — POSIX loginctl helper, never invoked on Windows
|
||||
except Exception:
|
||||
return None, "could not determine current user"
|
||||
|
||||
|
|
@ -1770,7 +1770,7 @@ def _launchd_user_home() -> Path:
|
|||
"""
|
||||
import pwd
|
||||
|
||||
return Path(pwd.getpwuid(os.getuid()).pw_dir)
|
||||
return Path(pwd.getpwuid(os.getuid()).pw_dir) # windows-footgun: ok — POSIX launchd (macOS) helper, never invoked on Windows
|
||||
|
||||
|
||||
def get_launchd_plist_path() -> Path:
|
||||
|
|
@ -2169,7 +2169,7 @@ def _system_scope_wizard_would_need_root(system: bool = False) -> bool:
|
|||
``SystemScopeRequiresRootError`` propagate out and leave the user
|
||||
staring at a bare shell.
|
||||
"""
|
||||
if os.geteuid() == 0:
|
||||
if os.geteuid() == 0: # windows-footgun: ok — systemd scope wizard decision, never invoked on Windows
|
||||
return False
|
||||
return _select_systemd_scope(system=system)
|
||||
|
||||
|
|
@ -2520,7 +2520,7 @@ def get_launchd_label() -> str:
|
|||
|
||||
|
||||
def _launchd_domain() -> str:
|
||||
return f"gui/{os.getuid()}"
|
||||
return f"gui/{os.getuid()}" # windows-footgun: ok — POSIX launchd (macOS) helper, never invoked on Windows
|
||||
|
||||
|
||||
def generate_launchd_plist() -> str:
|
||||
|
|
|
|||
|
|
@ -6838,7 +6838,7 @@ def _ensure_fhs_path_guard() -> None:
|
|||
if sys.platform != "linux":
|
||||
return
|
||||
try:
|
||||
if os.geteuid() != 0:
|
||||
if os.geteuid() != 0: # windows-footgun: ok — Linux FHS helper, guarded by sys.platform == "linux" above + AttributeError catch
|
||||
return
|
||||
except AttributeError:
|
||||
return
|
||||
|
|
|
|||
|
|
@ -213,7 +213,7 @@ class PtyBridge:
|
|||
|
||||
# SIGHUP is the conventional "your terminal went away" signal.
|
||||
# We escalate if the child ignores it.
|
||||
for sig in (signal.SIGHUP, signal.SIGTERM, signal.SIGKILL):
|
||||
for sig in (signal.SIGHUP, signal.SIGTERM, signal.SIGKILL): # windows-footgun: ok — POSIX-only module (imports fcntl/termios/ptyprocess at top)
|
||||
if not self._proc.isalive():
|
||||
break
|
||||
try:
|
||||
|
|
|
|||
|
|
@ -167,7 +167,7 @@ def uninstall_gateway_service():
|
|||
|
||||
scope = "system" if is_system else "user"
|
||||
try:
|
||||
if is_system and os.geteuid() != 0:
|
||||
if is_system and os.geteuid() != 0: # windows-footgun: ok — Linux systemd uninstall path, guarded by `if system == "Linux"` above
|
||||
log_warn(f"System gateway service exists at {unit_path} "
|
||||
f"but needs sudo to remove")
|
||||
continue
|
||||
|
|
|
|||
|
|
@ -54,7 +54,7 @@ def discover_context_engines() -> List[Tuple[str, str, bool]]:
|
|||
if yaml_file.exists():
|
||||
try:
|
||||
import yaml
|
||||
with open(yaml_file) as f:
|
||||
with open(yaml_file, encoding="utf-8-sig") as f:
|
||||
meta = yaml.safe_load(f) or {}
|
||||
desc = meta.get("description", "")
|
||||
except Exception:
|
||||
|
|
|
|||
|
|
@ -90,7 +90,7 @@ def _log(message: str) -> None:
|
|||
log_file = get_log_file()
|
||||
log_file.parent.mkdir(parents=True, exist_ok=True)
|
||||
ts = datetime.now(timezone.utc).strftime("%Y-%m-%d %H:%M:%S")
|
||||
with open(log_file, "a") as f:
|
||||
with open(log_file, "a", encoding="utf-8") as f:
|
||||
f.write(f"[{ts}] {message}\n")
|
||||
except OSError:
|
||||
# Never let the audit log break the agent loop.
|
||||
|
|
|
|||
|
|
@ -310,7 +310,7 @@ def stop(*, reason: str = "requested") -> Dict[str, Any]:
|
|||
time.sleep(0.5)
|
||||
if _pid_alive(pid):
|
||||
try:
|
||||
os.kill(pid, signal.SIGKILL)
|
||||
os.kill(pid, signal.SIGKILL) # windows-footgun: ok — POSIX-only plugin (google_meet registers no-op on Windows; see __init__.py)
|
||||
except ProcessLookupError:
|
||||
pass
|
||||
|
||||
|
|
|
|||
|
|
@ -292,7 +292,7 @@ class RealtimeSpeaker:
|
|||
return
|
||||
self.processed_path.parent.mkdir(parents=True, exist_ok=True)
|
||||
record = {"id": entry.get("id"), "text": entry.get("text", ""), "result": result}
|
||||
with open(self.processed_path, "a") as fp:
|
||||
with open(self.processed_path, "a", encoding="utf-8") as fp:
|
||||
fp.write(json.dumps(record) + "\n")
|
||||
|
||||
# ── main loop ────────────────────────────────────────────────────────
|
||||
|
|
|
|||
|
|
@ -135,7 +135,7 @@ def discover_memory_providers() -> List[Tuple[str, str, bool]]:
|
|||
if yaml_file.exists():
|
||||
try:
|
||||
import yaml
|
||||
with open(yaml_file) as f:
|
||||
with open(yaml_file, encoding="utf-8-sig") as f:
|
||||
meta = yaml.safe_load(f) or {}
|
||||
desc = meta.get("description", "")
|
||||
except Exception:
|
||||
|
|
@ -381,7 +381,7 @@ def discover_plugin_cli_commands() -> List[dict]:
|
|||
if yaml_file.exists():
|
||||
try:
|
||||
import yaml
|
||||
with open(yaml_file) as f:
|
||||
with open(yaml_file, encoding="utf-8-sig") as f:
|
||||
meta = yaml.safe_load(f) or {}
|
||||
desc = meta.get("description", "")
|
||||
if desc:
|
||||
|
|
|
|||
|
|
@ -1215,7 +1215,7 @@ class HindsightMemoryProvider(MemoryProvider):
|
|||
# would capture output from other threads.
|
||||
import hindsight_embed.daemon_embed_manager as dem
|
||||
from rich.console import Console
|
||||
dem.console = Console(file=open(log_path, "a"), force_terminal=False)
|
||||
dem.console = Console(file=open(log_path, "a", encoding="utf-8"), force_terminal=False)
|
||||
|
||||
client = self._get_client()
|
||||
profile = self._config.get("profile", "hermes")
|
||||
|
|
@ -1231,15 +1231,15 @@ class HindsightMemoryProvider(MemoryProvider):
|
|||
if config_changed:
|
||||
profile_env = _materialize_embedded_profile_env(self._config)
|
||||
if client._manager.is_running(profile):
|
||||
with open(log_path, "a") as f:
|
||||
with open(log_path, "a", encoding="utf-8") as f:
|
||||
f.write("\n=== Config changed, restarting daemon ===\n")
|
||||
client._manager.stop(profile)
|
||||
|
||||
client._ensure_started()
|
||||
with open(log_path, "a") as f:
|
||||
with open(log_path, "a", encoding="utf-8") as f:
|
||||
f.write("\n=== Daemon started successfully ===\n")
|
||||
except Exception as e:
|
||||
with open(log_path, "a") as f:
|
||||
with open(log_path, "a", encoding="utf-8") as f:
|
||||
f.write(f"\n=== Daemon startup failed: {e} ===\n")
|
||||
traceback.print_exc(file=f)
|
||||
|
||||
|
|
|
|||
|
|
@ -101,7 +101,7 @@ def _load_plugin_config() -> dict:
|
|||
return {}
|
||||
try:
|
||||
import yaml
|
||||
with open(config_path) as f:
|
||||
with open(config_path, encoding="utf-8-sig") as f:
|
||||
all_config = yaml.safe_load(f) or {}
|
||||
return cfg_get(all_config, "plugins", "hermes-memory-store", default={}) or {}
|
||||
except Exception:
|
||||
|
|
@ -136,11 +136,11 @@ class HolographicMemoryProvider(MemoryProvider):
|
|||
import yaml
|
||||
existing = {}
|
||||
if config_path.exists():
|
||||
with open(config_path) as f:
|
||||
with open(config_path, encoding="utf-8-sig") as f:
|
||||
existing = yaml.safe_load(f) or {}
|
||||
existing.setdefault("plugins", {})
|
||||
existing["plugins"]["hermes-memory-store"] = values
|
||||
with open(config_path, "w") as f:
|
||||
with open(config_path, "w", encoding="utf-8") as f:
|
||||
yaml.dump(existing, f, default_flow_style=False)
|
||||
except Exception:
|
||||
pass
|
||||
|
|
|
|||
|
|
@ -42,6 +42,12 @@ dependencies = [
|
|||
# Python resolves automatically. No-op on Linux/macOS (which have
|
||||
# /usr/share/zoneinfo). Credits: PR #13182 (@sprmn24).
|
||||
"tzdata>=2023.3; sys_platform == 'win32'",
|
||||
# Cross-platform process / PID management. `psutil` is the canonical
|
||||
# answer for "is this PID alive" and process-tree walking across Linux,
|
||||
# macOS and Windows. It replaces POSIX-only idioms like `os.kill(pid, 0)`
|
||||
# (which is a silent killer on Windows — see CONTRIBUTING.md) and
|
||||
# `os.killpg` (which doesn't exist on Windows).
|
||||
"psutil>=5.9.0,<8",
|
||||
]
|
||||
|
||||
[project.optional-dependencies]
|
||||
|
|
|
|||
624
scripts/check-windows-footguns.py
Normal file
624
scripts/check-windows-footguns.py
Normal file
|
|
@ -0,0 +1,624 @@
|
|||
#!/usr/bin/env python3
|
||||
"""
|
||||
Grep-based checker for Windows cross-platform footguns.
|
||||
|
||||
Flags common patterns that break silently on Windows. Run before PRs —
|
||||
cheap, fast, catches regressions in a codebase that runs on three OSes.
|
||||
|
||||
Usage:
|
||||
# Scan staged changes (default when run from a git checkout)
|
||||
python scripts/check-windows-footguns.py
|
||||
|
||||
# Scan the full tree (full-repo audit)
|
||||
python scripts/check-windows-footguns.py --all
|
||||
|
||||
# Scan a specific file or directory
|
||||
python scripts/check-windows-footguns.py path/to/file.py path/to/dir/
|
||||
|
||||
# Scan only modified files vs. main
|
||||
python scripts/check-windows-footguns.py --diff main
|
||||
|
||||
Exit status:
|
||||
0 — no Windows footguns found (or all matches suppressed)
|
||||
1 — at least one unsuppressed match
|
||||
|
||||
Suppress an intentional use (e.g. tests or platform-gated code) with:
|
||||
os.kill(pid, 0) # windows-footgun: ok — only called on POSIX
|
||||
"""
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
import argparse
|
||||
import os
|
||||
import re
|
||||
import subprocess
|
||||
import sys
|
||||
from dataclasses import dataclass
|
||||
from pathlib import Path
|
||||
from typing import Iterable
|
||||
|
||||
REPO_ROOT = Path(__file__).resolve().parent.parent
|
||||
|
||||
SUPPRESS_MARKER = re.compile(r"#\s*windows-footgun\s*:\s*ok\b", re.IGNORECASE)
|
||||
|
||||
# Line-level guard hints. If a line contains any of these tokens, we assume
|
||||
# the programmer wrote the line in full awareness of the Windows pitfall —
|
||||
# e.g. `if hasattr(os, 'setsid'): ... os.setsid()`, or the classic
|
||||
# `getattr(signal, 'SIGKILL', signal.SIGTERM)`, or `shutil.which("wmic")`.
|
||||
# False negatives are fine here — the inline `# windows-footgun: ok` marker
|
||||
# is still the authoritative suppression. This is just to reduce the noise
|
||||
# floor on obviously-guarded lines so the signal-to-noise stays useful.
|
||||
GUARD_HINTS = (
|
||||
"hasattr(os,",
|
||||
"hasattr(signal,",
|
||||
"getattr(os,",
|
||||
"getattr(signal,",
|
||||
"shutil.which(",
|
||||
"if platform.system() != \"Windows\"",
|
||||
"if platform.system() != 'Windows'",
|
||||
"if sys.platform == \"win32\"",
|
||||
"if sys.platform != \"win32\"",
|
||||
"if sys.platform == 'win32'",
|
||||
"if sys.platform != 'win32'",
|
||||
"IS_WINDOWS",
|
||||
"is_windows",
|
||||
)
|
||||
|
||||
# Dirs we never scan.
|
||||
EXCLUDED_DIRS = {
|
||||
".git",
|
||||
"node_modules",
|
||||
"venv",
|
||||
".venv",
|
||||
"__pycache__",
|
||||
"build",
|
||||
"dist",
|
||||
".tox",
|
||||
".mypy_cache",
|
||||
".pytest_cache",
|
||||
"site-packages",
|
||||
"website/build",
|
||||
"optional-skills", # external skills
|
||||
}
|
||||
|
||||
# File globs we never scan (beyond the dirs above).
|
||||
EXCLUDED_SUFFIXES = {
|
||||
".pyc",
|
||||
".pyo",
|
||||
".so",
|
||||
".dll",
|
||||
".exe",
|
||||
".png",
|
||||
".jpg",
|
||||
".gif",
|
||||
".ico",
|
||||
".svg",
|
||||
".mp4",
|
||||
".mp3",
|
||||
".wav",
|
||||
".pdf",
|
||||
".zip",
|
||||
".tar",
|
||||
".gz",
|
||||
".whl",
|
||||
".lock",
|
||||
".min.js",
|
||||
".min.css",
|
||||
}
|
||||
|
||||
# Files we never scan (self-referential — this script mentions the
|
||||
# patterns it detects — and the CONTRIBUTING docs that list them).
|
||||
EXCLUDED_FILES = {
|
||||
"scripts/check-windows-footguns.py",
|
||||
"CONTRIBUTING.md",
|
||||
}
|
||||
|
||||
|
||||
@dataclass
|
||||
class Footgun:
|
||||
"""A Windows cross-platform footgun pattern."""
|
||||
|
||||
name: str
|
||||
pattern: re.Pattern
|
||||
message: str
|
||||
fix: str
|
||||
# If set, matches in files/paths containing any of these substrings are
|
||||
# silently ignored (e.g. tests that legitimately exercise the footgun
|
||||
# behind a platform guard). Prefer `# windows-footgun: ok` inline
|
||||
# suppression over this list; only use path_allowlist for whole files
|
||||
# that are inherently tests of the footgun itself.
|
||||
path_allowlist: tuple[str, ...] = ()
|
||||
# Optional post-match predicate. Takes the re.Match and returns True
|
||||
# if the match is a REAL footgun (not a false positive). Use this when
|
||||
# the regex can't fully distinguish (e.g. open() where mode may contain
|
||||
# "b" for binary, or the line may have `encoding=` elsewhere).
|
||||
post_filter: "callable | None" = None
|
||||
|
||||
|
||||
FOOTGUNS: list[Footgun] = [
|
||||
Footgun(
|
||||
name="open() without encoding= on text mode",
|
||||
# Match builtins.open() specifically — NOT os.open(), .open()
|
||||
# method calls (Path.open, tarfile.open, zf.open, webbrowser.open,
|
||||
# Image.open, wave.open, etc), or `async def open()` method
|
||||
# definitions. The pattern requires a start-of-identifier boundary
|
||||
# before `open(` so `os.open`, `.open`, `def open` are all skipped.
|
||||
# Note: Path.open() is ALSO affected by the encoding default, but
|
||||
# rather than flagging all `.open(` (huge noise), we require an
|
||||
# explicit builtins-style open() call. Path.open() is rare in the
|
||||
# codebase compared to open() and can be audited separately.
|
||||
pattern=re.compile(
|
||||
r"""(?:^|[\s\(,;=])(?<![.\w])open\s*\(\s*[^,)]+\s*(?:,\s*['"](?P<mode>[^'"]*)['"])?"""
|
||||
),
|
||||
message=(
|
||||
"open() without an explicit encoding= uses the platform default "
|
||||
"(UTF-8 on POSIX, cp1252/mbcs on Windows) — files round-tripped "
|
||||
"between hosts get mojibake. Always pass encoding='utf-8' for "
|
||||
"text files, or use open(path, 'rb')/'wb' for binary."
|
||||
),
|
||||
fix=(
|
||||
"open(path, 'r', encoding='utf-8') # or 'utf-8-sig' if the "
|
||||
"file may have a BOM"
|
||||
),
|
||||
# Filter: only flag if mode is missing-or-text AND the line doesn't
|
||||
# already pass encoding=. Skip binary mode (contains "b").
|
||||
post_filter=lambda m, line: (
|
||||
"b" not in (m.group("mode") or "")
|
||||
and "encoding=" not in line
|
||||
and "encoding =" not in line
|
||||
# Skip `def open(` and `async def open(` (method definitions)
|
||||
and not line.lstrip().startswith("def ")
|
||||
and not line.lstrip().startswith("async def ")
|
||||
# Skip open(path, **kwargs) patterns — encoding may be in the dict.
|
||||
# Too expensive to trace; require the author to set encoding in
|
||||
# the dict and trust them (or they can add a # windows-footgun: ok).
|
||||
and "**" not in line
|
||||
),
|
||||
),
|
||||
Footgun(
|
||||
name="os.kill(pid, 0)",
|
||||
pattern=re.compile(r"\bos\.kill\s*\(\s*[^,]+,\s*0\s*\)"),
|
||||
message=(
|
||||
"os.kill(pid, 0) is NOT a no-op on Windows — it sends "
|
||||
"CTRL_C_EVENT to the target's console process group, "
|
||||
"hard-killing the target and potentially unrelated siblings. "
|
||||
"See bpo-14484."
|
||||
),
|
||||
fix=(
|
||||
"Use psutil.pid_exists(pid) (psutil is a core dependency). "
|
||||
"Or gateway.status._pid_exists(pid) for the hermes wrapper "
|
||||
"with a stdlib fallback."
|
||||
),
|
||||
),
|
||||
Footgun(
|
||||
name="bare os.setsid",
|
||||
pattern=re.compile(r"(?<!hasattr\()\bos\.setsid\b"),
|
||||
message=(
|
||||
"os.setsid does not exist on Windows and raises "
|
||||
"AttributeError. Subprocesses that need detachment on "
|
||||
"Windows use creationflags instead."
|
||||
),
|
||||
fix=(
|
||||
"if platform.system() != 'Windows':\n"
|
||||
" kwargs['preexec_fn'] = os.setsid\n"
|
||||
"else:\n"
|
||||
" kwargs['creationflags'] = subprocess.CREATE_NEW_PROCESS_GROUP"
|
||||
),
|
||||
),
|
||||
Footgun(
|
||||
name="bare os.killpg",
|
||||
pattern=re.compile(r"\bos\.killpg\b"),
|
||||
message="os.killpg does not exist on Windows.",
|
||||
fix=(
|
||||
"Use psutil for cross-platform process-tree kill:\n"
|
||||
" p = psutil.Process(pid)\n"
|
||||
" for c in p.children(recursive=True): c.kill()\n"
|
||||
" p.kill()"
|
||||
),
|
||||
),
|
||||
Footgun(
|
||||
name="bare os.getuid / os.geteuid / os.getgid",
|
||||
pattern=re.compile(r"\bos\.(?:getuid|geteuid|getgid|getegid)\b"),
|
||||
message=(
|
||||
"os.getuid / os.geteuid / os.getgid do not exist on Windows "
|
||||
"and raise AttributeError at import time if referenced."
|
||||
),
|
||||
fix=(
|
||||
"Use getpass.getuser() for the username, or gate with "
|
||||
"hasattr(os, 'getuid')."
|
||||
),
|
||||
),
|
||||
Footgun(
|
||||
name="bare os.fork",
|
||||
pattern=re.compile(r"(?<!hasattr\()\bos\.fork\s*\("),
|
||||
message="os.fork does not exist on Windows.",
|
||||
fix=(
|
||||
"Use subprocess.Popen for daemonization, or guard with "
|
||||
"hasattr(os, 'fork') and a Windows fallback path."
|
||||
),
|
||||
),
|
||||
Footgun(
|
||||
name="bare signal.SIGKILL",
|
||||
pattern=re.compile(r"\bsignal\.SIGKILL\b"),
|
||||
message=(
|
||||
"signal.SIGKILL does not exist on Windows and raises "
|
||||
"AttributeError at import time."
|
||||
),
|
||||
fix="Use getattr(signal, 'SIGKILL', signal.SIGTERM).",
|
||||
),
|
||||
Footgun(
|
||||
name="bare signal.SIGHUP / SIGUSR1 / SIGUSR2 / SIGALRM / SIGCHLD / SIGPIPE / SIGQUIT",
|
||||
pattern=re.compile(
|
||||
r"\bsignal\.(?:SIGHUP|SIGUSR1|SIGUSR2|SIGALRM|SIGCHLD|SIGPIPE|SIGQUIT)\b"
|
||||
),
|
||||
message=(
|
||||
"These POSIX signals don't exist on Windows; referencing "
|
||||
"them raises AttributeError at import time."
|
||||
),
|
||||
fix=(
|
||||
"Use getattr(signal, 'SIGXXX', None) and check for None "
|
||||
"before using, or gate the whole block behind a platform check."
|
||||
),
|
||||
),
|
||||
Footgun(
|
||||
name="subprocess shebang script invocation",
|
||||
pattern=re.compile(
|
||||
r"subprocess\.(?:run|Popen|call|check_output|check_call)\s*\(\s*\[\s*['\"]\./"
|
||||
),
|
||||
message=(
|
||||
"Running a script via './scriptname' doesn't work on Windows — "
|
||||
"shebang lines aren't honored. CreateProcessW can't execute "
|
||||
"bash/python scripts without an explicit interpreter."
|
||||
),
|
||||
fix="Use [sys.executable, 'scriptname.py', ...] explicitly.",
|
||||
),
|
||||
Footgun(
|
||||
name="wmic invocation without shutil.which guard",
|
||||
# Match wmic appearing as a subprocess argument — NOT the
|
||||
# shutil.which("wmic") guard pattern itself. Looks for wmic in a
|
||||
# list or as first arg of subprocess.run/Popen.
|
||||
pattern=re.compile(
|
||||
r"""(?:subprocess\.\w+\s*\(\s*\[\s*['"]wmic['"]|['"]wmic\.exe['"])"""
|
||||
),
|
||||
message=(
|
||||
"wmic was removed in Windows 10 21H1 and later. Always "
|
||||
"gate with shutil.which('wmic') and fall back to "
|
||||
"PowerShell (Get-CimInstance Win32_Process)."
|
||||
),
|
||||
fix=(
|
||||
"if shutil.which('wmic'):\n"
|
||||
" ... wmic path ...\n"
|
||||
"else:\n"
|
||||
" subprocess.run(['powershell', '-NoProfile', '-Command',\n"
|
||||
" 'Get-CimInstance Win32_Process | ...'])"
|
||||
),
|
||||
),
|
||||
Footgun(
|
||||
name="hardcoded ~/Desktop (OneDrive trap)",
|
||||
pattern=re.compile(
|
||||
r"""['"](?:~|~/|[A-Z]:[/\\]Users[/\\][^/\\'"]+[/\\])Desktop\b"""
|
||||
),
|
||||
message=(
|
||||
"When OneDrive Backup is enabled on Windows, the real Desktop "
|
||||
"is at %USERPROFILE%\\OneDrive\\Desktop, not %USERPROFILE%\\"
|
||||
"Desktop (which exists as an empty husk)."
|
||||
),
|
||||
fix=(
|
||||
"On Windows, resolve via ctypes + SHGetKnownFolderPath, or "
|
||||
"read the Shell Folders registry key, or run PowerShell "
|
||||
"[Environment]::GetFolderPath('Desktop')."
|
||||
),
|
||||
),
|
||||
Footgun(
|
||||
name="asyncio add_signal_handler without try/except",
|
||||
pattern=re.compile(r"\.add_signal_handler\s*\("),
|
||||
message=(
|
||||
"loop.add_signal_handler raises NotImplementedError on "
|
||||
"Windows — always wrap in try/except or gate with a "
|
||||
"platform check."
|
||||
),
|
||||
fix=(
|
||||
"try:\n"
|
||||
" loop.add_signal_handler(sig, handler, sig)\n"
|
||||
"except NotImplementedError:\n"
|
||||
" pass # Windows asyncio doesn't support signal handlers"
|
||||
),
|
||||
),
|
||||
]
|
||||
|
||||
|
||||
def should_scan_file(path: Path) -> bool:
|
||||
"""Return True if this file is in scope for the checker."""
|
||||
# Skip the excluded dirs
|
||||
parts = set(path.parts)
|
||||
if parts & EXCLUDED_DIRS:
|
||||
return False
|
||||
# Skip excluded suffixes
|
||||
for suffix in EXCLUDED_SUFFIXES:
|
||||
if str(path).endswith(suffix):
|
||||
return False
|
||||
# Skip self and docs that intentionally mention the patterns
|
||||
rel = path.relative_to(REPO_ROOT).as_posix()
|
||||
if rel in EXCLUDED_FILES:
|
||||
return False
|
||||
# Only scan text files (rough heuristic — .py, .md, .sh, .ps1, .yaml, etc.)
|
||||
if path.suffix in {".py", ".pyw", ".pyi"}:
|
||||
return True
|
||||
# Other file types are read but only Python-specific patterns would match;
|
||||
# that's fine and cheap to skip.
|
||||
return False
|
||||
|
||||
|
||||
def iter_files(paths: Iterable[Path]) -> Iterable[Path]:
|
||||
for p in paths:
|
||||
if p.is_file():
|
||||
if should_scan_file(p):
|
||||
yield p
|
||||
elif p.is_dir():
|
||||
for root, dirs, files in os.walk(p):
|
||||
# prune excluded dirs in-place for speed
|
||||
dirs[:] = [d for d in dirs if d not in EXCLUDED_DIRS]
|
||||
for fname in files:
|
||||
fpath = Path(root) / fname
|
||||
if should_scan_file(fpath):
|
||||
yield fpath
|
||||
|
||||
|
||||
def _strip_code(line: str) -> str:
|
||||
"""Return just the code portion of a line — strip trailing comments and
|
||||
skip lines that are entirely inside a string literal or comment.
|
||||
|
||||
Heuristic only (we don't parse Python); good enough to avoid flagging
|
||||
our own `# ``os.kill(pid, 0)`` is NOT a no-op` docstring-style comments.
|
||||
"""
|
||||
stripped = line.lstrip()
|
||||
# Line starts with # — entirely a comment.
|
||||
if stripped.startswith("#"):
|
||||
return ""
|
||||
# Remove trailing "# ..." inline comment. Naive — doesn't handle `#`
|
||||
# inside strings — but on balance reduces noise far more than it adds.
|
||||
hash_idx = _find_unquoted_hash(line)
|
||||
if hash_idx is not None:
|
||||
return line[:hash_idx]
|
||||
return line
|
||||
|
||||
|
||||
def _find_unquoted_hash(line: str) -> int | None:
|
||||
"""Index of the first `#` not inside a single/double/triple-quoted string.
|
||||
|
||||
Simple state machine — good enough for the 99% case of "code, then
|
||||
optional trailing comment."
|
||||
"""
|
||||
i = 0
|
||||
n = len(line)
|
||||
in_s = False # single-quote string
|
||||
in_d = False # double-quote string
|
||||
while i < n:
|
||||
c = line[i]
|
||||
if c == "\\" and (in_s or in_d) and i + 1 < n:
|
||||
i += 2
|
||||
continue
|
||||
if not in_d and c == "'":
|
||||
in_s = not in_s
|
||||
elif not in_s and c == '"':
|
||||
in_d = not in_d
|
||||
elif c == "#" and not in_s and not in_d:
|
||||
return i
|
||||
i += 1
|
||||
return None
|
||||
|
||||
|
||||
def scan_file(path: Path, footguns: list[Footgun]) -> list[tuple[int, str, Footgun]]:
|
||||
"""Return a list of (line_number, line, footgun) for unsuppressed matches."""
|
||||
try:
|
||||
text = path.read_text(encoding="utf-8", errors="replace")
|
||||
except OSError:
|
||||
return []
|
||||
matches: list[tuple[int, str, Footgun]] = []
|
||||
|
||||
# Track whether we're inside a triple-quoted string (docstring/raw block).
|
||||
# Simple state machine — handles both ''' and """, toggled by the FIRST
|
||||
# triple-quote we see; we don't try to handle nested or f-string cases.
|
||||
in_triple: str | None = None # None, "'''", or '"""'
|
||||
|
||||
for i, line in enumerate(text.splitlines(), start=1):
|
||||
# Update triple-quote state based on this line's occurrences.
|
||||
code_for_scan = line
|
||||
if in_triple:
|
||||
# We're inside a docstring — skip the whole line's scan.
|
||||
# Check if it closes here.
|
||||
if in_triple in line:
|
||||
# Find the closing delimiter; anything after it is real code.
|
||||
after = line.split(in_triple, 1)[1]
|
||||
in_triple = None
|
||||
code_for_scan = after
|
||||
else:
|
||||
continue
|
||||
# Now check for docstring-open in the (possibly after-triple) portion.
|
||||
# Scan for the first unescaped '''/""" in the current code_for_scan.
|
||||
stripped = code_for_scan.strip()
|
||||
for delim in ('"""', "'''"):
|
||||
if delim in code_for_scan:
|
||||
# Count occurrences — even count means single-line docstring,
|
||||
# odd means we've entered a multi-line one.
|
||||
count = code_for_scan.count(delim)
|
||||
if count % 2 == 1:
|
||||
# Odd — we're now inside the triple-quoted block.
|
||||
# Scan only the part BEFORE the opening delimiter.
|
||||
before = code_for_scan.split(delim, 1)[0]
|
||||
code_for_scan = before
|
||||
in_triple = delim
|
||||
break
|
||||
else:
|
||||
# Even — entire docstring fits on one line. Strip it
|
||||
# from the scan text to avoid matching on prose.
|
||||
parts = code_for_scan.split(delim)
|
||||
# Keep the "outside" parts (every other chunk, starting
|
||||
# with index 0) as code, drop the "inside" parts.
|
||||
code_for_scan = "".join(parts[::2])
|
||||
break
|
||||
|
||||
if SUPPRESS_MARKER.search(line):
|
||||
continue
|
||||
# Skip if the line has an obvious guard — e.g. hasattr/getattr/
|
||||
# shutil.which or a platform check. False negatives are acceptable;
|
||||
# the inline suppression marker is the authoritative override.
|
||||
if any(hint in line for hint in GUARD_HINTS):
|
||||
continue
|
||||
code = _strip_code(code_for_scan)
|
||||
if not code.strip():
|
||||
continue
|
||||
for fg in footguns:
|
||||
if fg.path_allowlist and any(s in str(path) for s in fg.path_allowlist):
|
||||
continue
|
||||
match = fg.pattern.search(code)
|
||||
if not match:
|
||||
continue
|
||||
if fg.post_filter is not None:
|
||||
try:
|
||||
if not fg.post_filter(match, line):
|
||||
continue
|
||||
except (IndexError, AttributeError):
|
||||
# Post-filter assumed a named group that isn't there — skip.
|
||||
continue
|
||||
matches.append((i, line.rstrip(), fg))
|
||||
return matches
|
||||
|
||||
|
||||
def get_staged_files() -> list[Path]:
|
||||
"""Return paths staged in the current git index. Empty on non-git trees."""
|
||||
try:
|
||||
out = subprocess.check_output(
|
||||
["git", "diff", "--cached", "--name-only", "--diff-filter=ACMR"],
|
||||
cwd=REPO_ROOT,
|
||||
stderr=subprocess.DEVNULL,
|
||||
text=True,
|
||||
)
|
||||
except (subprocess.CalledProcessError, FileNotFoundError):
|
||||
return []
|
||||
return [REPO_ROOT / f for f in out.splitlines() if f.strip()]
|
||||
|
||||
|
||||
def get_diff_files(ref: str) -> list[Path]:
|
||||
"""Return paths modified vs. the given git ref."""
|
||||
try:
|
||||
out = subprocess.check_output(
|
||||
["git", "diff", f"{ref}...HEAD", "--name-only", "--diff-filter=ACMR"],
|
||||
cwd=REPO_ROOT,
|
||||
stderr=subprocess.DEVNULL,
|
||||
text=True,
|
||||
)
|
||||
except (subprocess.CalledProcessError, FileNotFoundError):
|
||||
return []
|
||||
return [REPO_ROOT / f for f in out.splitlines() if f.strip()]
|
||||
|
||||
|
||||
def parse_args(argv: list[str]) -> argparse.Namespace:
|
||||
p = argparse.ArgumentParser(
|
||||
description="Flag Windows cross-platform footguns in Python code."
|
||||
)
|
||||
p.add_argument(
|
||||
"paths",
|
||||
nargs="*",
|
||||
type=Path,
|
||||
help="Specific files/dirs to scan (default: staged changes).",
|
||||
)
|
||||
p.add_argument(
|
||||
"--all",
|
||||
action="store_true",
|
||||
help="Scan the full repository (hermes_cli/, gateway/, tools/, cron/, etc.).",
|
||||
)
|
||||
p.add_argument(
|
||||
"--diff",
|
||||
metavar="REF",
|
||||
help="Scan files changed vs. the given git ref (e.g. --diff main).",
|
||||
)
|
||||
p.add_argument(
|
||||
"--list",
|
||||
action="store_true",
|
||||
help="List all known footgun rules and exit.",
|
||||
)
|
||||
return p.parse_args(argv)
|
||||
|
||||
|
||||
def print_rules() -> None:
|
||||
print("Known Windows footguns checked by this script:\n")
|
||||
for i, fg in enumerate(FOOTGUNS, start=1):
|
||||
print(f"{i:2}. {fg.name}")
|
||||
print(f" {fg.message}")
|
||||
print(f" Fix: {fg.fix}")
|
||||
print()
|
||||
|
||||
|
||||
def main(argv: list[str]) -> int:
|
||||
args = parse_args(argv)
|
||||
|
||||
if args.list:
|
||||
print_rules()
|
||||
return 0
|
||||
|
||||
if args.all:
|
||||
# Scan main Python packages + scripts
|
||||
roots = [
|
||||
REPO_ROOT / "hermes_cli",
|
||||
REPO_ROOT / "gateway",
|
||||
REPO_ROOT / "tools",
|
||||
REPO_ROOT / "cron",
|
||||
REPO_ROOT / "agent",
|
||||
REPO_ROOT / "plugins",
|
||||
REPO_ROOT / "scripts",
|
||||
REPO_ROOT / "acp_adapter",
|
||||
REPO_ROOT / "acp_registry",
|
||||
]
|
||||
roots = [r for r in roots if r.exists()]
|
||||
elif args.diff:
|
||||
roots = get_diff_files(args.diff)
|
||||
elif args.paths:
|
||||
roots = [p.resolve() for p in args.paths]
|
||||
else:
|
||||
# Default: staged changes
|
||||
roots = get_staged_files()
|
||||
if not roots:
|
||||
print(
|
||||
"No staged files to scan. Pass --all for a full-repo scan, "
|
||||
"--diff <ref> for a range diff, or paths explicitly.",
|
||||
file=sys.stderr,
|
||||
)
|
||||
return 0
|
||||
|
||||
total_matches = 0
|
||||
files_scanned = 0
|
||||
for path in iter_files(roots):
|
||||
files_scanned += 1
|
||||
matches = scan_file(path, FOOTGUNS)
|
||||
for lineno, line, fg in matches:
|
||||
rel = path.relative_to(REPO_ROOT).as_posix()
|
||||
print(f"{rel}:{lineno}: [{fg.name}]")
|
||||
print(f" {line.strip()}")
|
||||
print(f" — {fg.message}")
|
||||
print(f" Fix: {fg.fix.splitlines()[0]}")
|
||||
print()
|
||||
total_matches += 1
|
||||
|
||||
if total_matches:
|
||||
print(
|
||||
f"\n✗ {total_matches} Windows footgun(s) found across "
|
||||
f"{files_scanned} file(s) scanned.",
|
||||
file=sys.stderr,
|
||||
)
|
||||
print(
|
||||
" If an individual match is a false positive or intentionally "
|
||||
"platform-gated, suppress it with `# windows-footgun: ok` on "
|
||||
"the same line.\n Run with --list to see all rules.",
|
||||
file=sys.stderr,
|
||||
)
|
||||
return 1
|
||||
|
||||
print(
|
||||
f"✓ No Windows footguns found ({files_scanned} file(s) scanned)."
|
||||
)
|
||||
return 0
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
sys.exit(main(sys.argv[1:]))
|
||||
|
|
@ -457,7 +457,7 @@ def run_once(args: argparse.Namespace) -> dict[str, Any]:
|
|||
break
|
||||
time.sleep(0.1)
|
||||
else:
|
||||
os.kill(pid, signal.SIGKILL)
|
||||
os.kill(pid, signal.SIGKILL) # windows-footgun: ok — POSIX-only script (imports pty at top)
|
||||
os.waitpid(pid, 0)
|
||||
except (ProcessLookupError, ChildProcessError):
|
||||
pass
|
||||
|
|
|
|||
|
|
@ -1450,14 +1450,24 @@ def execute_code(
|
|||
|
||||
|
||||
def _kill_process_group(proc, escalate: bool = False):
|
||||
"""Kill the child and its entire process group."""
|
||||
"""Kill the child and its entire process tree (cross-platform via psutil)."""
|
||||
import psutil
|
||||
try:
|
||||
if _IS_WINDOWS:
|
||||
proc.terminate()
|
||||
else:
|
||||
os.killpg(os.getpgid(proc.pid), signal.SIGTERM)
|
||||
except (ProcessLookupError, PermissionError) as e:
|
||||
logger.debug("Could not kill process group: %s", e, exc_info=True)
|
||||
parent = psutil.Process(proc.pid)
|
||||
children = parent.children(recursive=True)
|
||||
for child in children:
|
||||
try:
|
||||
child.terminate()
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
try:
|
||||
parent.terminate()
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
except (PermissionError, OSError) as e:
|
||||
logger.debug("Could not terminate process tree: %s", e, exc_info=True)
|
||||
try:
|
||||
proc.kill()
|
||||
except Exception as e2:
|
||||
|
|
@ -1469,12 +1479,20 @@ def _kill_process_group(proc, escalate: bool = False):
|
|||
proc.wait(timeout=5)
|
||||
except subprocess.TimeoutExpired:
|
||||
try:
|
||||
if _IS_WINDOWS:
|
||||
proc.kill()
|
||||
else:
|
||||
os.killpg(os.getpgid(proc.pid), signal.SIGKILL)
|
||||
except (ProcessLookupError, PermissionError) as e:
|
||||
logger.debug("Could not kill process group with SIGKILL: %s", e, exc_info=True)
|
||||
parent = psutil.Process(proc.pid)
|
||||
for child in parent.children(recursive=True):
|
||||
try:
|
||||
child.kill()
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
try:
|
||||
parent.kill()
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
except (PermissionError, OSError) as e:
|
||||
logger.debug("Could not kill process tree: %s", e, exc_info=True)
|
||||
try:
|
||||
proc.kill()
|
||||
except Exception as e2:
|
||||
|
|
|
|||
|
|
@ -489,7 +489,7 @@ class LocalEnvironment(BaseEnvironment):
|
|||
def _group_alive(pgid: int) -> bool:
|
||||
try:
|
||||
# POSIX-only: _IS_WINDOWS is handled before this helper is used.
|
||||
os.killpg(pgid, 0)
|
||||
os.killpg(pgid, 0) # windows-footgun: ok — POSIX process-group alive probe
|
||||
return True
|
||||
except ProcessLookupError:
|
||||
return False
|
||||
|
|
@ -527,7 +527,7 @@ class LocalEnvironment(BaseEnvironment):
|
|||
raise
|
||||
|
||||
try:
|
||||
os.killpg(pgid, signal.SIGTERM)
|
||||
os.killpg(pgid, signal.SIGTERM) # windows-footgun: ok — POSIX process-group SIGTERM (guarded by _IS_WINDOWS above)
|
||||
except ProcessLookupError:
|
||||
return
|
||||
|
||||
|
|
@ -539,7 +539,7 @@ class LocalEnvironment(BaseEnvironment):
|
|||
|
||||
try:
|
||||
# POSIX-only: _IS_WINDOWS is handled by the outer branch.
|
||||
os.killpg(pgid, signal.SIGKILL)
|
||||
os.killpg(pgid, signal.SIGKILL) # windows-footgun: ok — POSIX process-group SIGKILL
|
||||
except ProcessLookupError:
|
||||
return
|
||||
_wait_for_group_exit(pgid, 2.0)
|
||||
|
|
|
|||
|
|
@ -159,7 +159,7 @@ class MemoryStore:
|
|||
if msvcrt and (not lock_path.exists() or lock_path.stat().st_size == 0):
|
||||
lock_path.write_text(" ", encoding="utf-8")
|
||||
|
||||
fd = open(lock_path, "r+" if msvcrt else "a+")
|
||||
fd = open(lock_path, "r+" if msvcrt else "a+", encoding="utf-8")
|
||||
try:
|
||||
if fcntl:
|
||||
fcntl.flock(fd, fcntl.LOCK_EX)
|
||||
|
|
|
|||
|
|
@ -435,10 +435,22 @@ class ProcessRegistry:
|
|||
os.kill(pid, signal.SIGTERM)
|
||||
return
|
||||
|
||||
import psutil
|
||||
try:
|
||||
os.killpg(os.getpgid(pid), signal.SIGTERM)
|
||||
except (OSError, ProcessLookupError, PermissionError):
|
||||
os.kill(pid, signal.SIGTERM)
|
||||
parent = psutil.Process(pid)
|
||||
for child in parent.children(recursive=True):
|
||||
try:
|
||||
child.terminate()
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
parent.terminate()
|
||||
except psutil.NoSuchProcess:
|
||||
return
|
||||
except (OSError, PermissionError):
|
||||
try:
|
||||
os.kill(pid, signal.SIGTERM)
|
||||
except (OSError, ProcessLookupError, PermissionError):
|
||||
pass
|
||||
|
||||
# ----- Spawn -----
|
||||
|
||||
|
|
@ -1032,12 +1044,22 @@ class ProcessRegistry:
|
|||
if session.pid:
|
||||
os.kill(session.pid, signal.SIGTERM)
|
||||
elif session.process:
|
||||
# Local process -- kill the process group
|
||||
# Local process -- kill the process tree
|
||||
try:
|
||||
if _IS_WINDOWS:
|
||||
session.process.terminate()
|
||||
else:
|
||||
os.killpg(os.getpgid(session.process.pid), signal.SIGTERM)
|
||||
import psutil
|
||||
try:
|
||||
parent = psutil.Process(session.process.pid)
|
||||
for child in parent.children(recursive=True):
|
||||
try:
|
||||
child.terminate()
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
parent.terminate()
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
except (ProcessLookupError, PermissionError):
|
||||
session.process.kill()
|
||||
elif session.env_ref and session.pid:
|
||||
|
|
|
|||
|
|
@ -76,7 +76,7 @@ def _usage_file_lock():
|
|||
if msvcrt and (not lock_path.exists() or lock_path.stat().st_size == 0):
|
||||
lock_path.write_text(" ", encoding="utf-8")
|
||||
|
||||
fd = open(lock_path, "r+" if msvcrt else "a+")
|
||||
fd = open(lock_path, "r+" if msvcrt else "a+", encoding="utf-8")
|
||||
try:
|
||||
if fcntl:
|
||||
fcntl.flock(fd, fcntl.LOCK_EX)
|
||||
|
|
|
|||
|
|
@ -541,9 +541,16 @@ def _terminate_command_tts_process_tree(proc: subprocess.Popen) -> None:
|
|||
proc.kill()
|
||||
return
|
||||
|
||||
import psutil
|
||||
try:
|
||||
os.killpg(proc.pid, signal.SIGTERM)
|
||||
except ProcessLookupError:
|
||||
parent = psutil.Process(proc.pid)
|
||||
for child in parent.children(recursive=True):
|
||||
try:
|
||||
child.terminate()
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
parent.terminate()
|
||||
except psutil.NoSuchProcess:
|
||||
return
|
||||
except Exception:
|
||||
proc.terminate()
|
||||
|
|
@ -555,8 +562,14 @@ def _terminate_command_tts_process_tree(proc: subprocess.Popen) -> None:
|
|||
pass
|
||||
|
||||
try:
|
||||
os.killpg(proc.pid, signal.SIGKILL)
|
||||
except ProcessLookupError:
|
||||
parent = psutil.Process(proc.pid)
|
||||
for child in parent.children(recursive=True):
|
||||
try:
|
||||
child.kill()
|
||||
except psutil.NoSuchProcess:
|
||||
pass
|
||||
parent.kill()
|
||||
except psutil.NoSuchProcess:
|
||||
return
|
||||
except Exception:
|
||||
proc.kill()
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue