45 lines
2.2 KiB
Python
45 lines
2.2 KiB
Python
"""Repair guidance for an unavailable declared dependency group."""
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def missing_optional_deps_message(surface: str, what: str, extra: str) -> str:
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return (
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f"The {surface} can't start: {what} are missing from this install.\n"
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"Run `hermes pm install` to prepare the declared dependencies.\n"
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"If an installed dependency is damaged, run `hermes pm repair`, then restart Hermes."
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)
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def smart_app_control_block_message(error: BaseException) -> str | None:
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"""Guidance for Windows Smart App Control / Application Control blocking the embedded
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Python runtime's ``_ssl`` module, or ``None`` when *error* is not that case.
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fastapi/uvicorn import ``ssl``; when the policy blocks the ``_ssl`` DLL, the import
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fails with the signature ``DLL load failed ... _ssl`` — and the generic
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missing-deps repair loop above can never fix it, so users looped on repair
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(#63796). The desktop's embedded runtime is the usual victim; the CLI and the
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gateway run on the system Python and stay unaffected.
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"""
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message = str(error)
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if "DLL load failed" not in message or "_ssl" not in message:
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return None
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return "\n".join([
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"✗ The embedded Python runtime is blocked by Windows security policy.",
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"",
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"Root cause: Python's SSL module (_ssl) could not be loaded:",
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f" {message}",
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"",
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"This happens when Windows Smart App Control or an Application Control",
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"policy blocks the embedded Python runtime that ships with Hermes Desktop.",
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"A repair / reinstall loop cannot fix this — the packages are not missing,",
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"the runtime's DLL is being blocked.",
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"",
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"Recovery options:",
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" 1. Use a trusted system Python installation instead of the embedded",
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" runtime (if your organization allows it).",
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" 2. Ask your IT administrator for an exemption for the Hermes Desktop",
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" application (Smart App Control / Application Control).",
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" 3. Use the CLI or gateway instead (they use your system Python).",
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"",
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"See https://aka.ms/smartappcontrol for Windows Smart App Control details.",
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])
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