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`gateway/platforms/__init__.py` eagerly imported `QQAdapter` and
`YuanbaoAdapter` at package-init time, which transitively pulled in
qqbot's chunked-upload + keyboards + onboard machinery and yuanbao's
websocket stack. About 84 ms wall and 23 MB RSS on every fresh process
that touched anything under `gateway.platforms` — including `hermes
chat` (via run_agent → cli's plugin discovery transitive import).
Nothing in the codebase actually consumes these symbols from the
package root; every real call site uses the long-form path
(`from gateway.platforms.qqbot import QQAdapter`,
`from gateway.platforms.yuanbao import YuanbaoAdapter` in gateway/run.py).
The eager re-export was only there for convenience.
Replace with a PEP 562 module-level `__getattr__` that lazily imports
on first attribute access. Public API stays identical:
`from gateway.platforms import QQAdapter` keeps working but only
pays the import cost when the symbol is actually touched. `__dir__`
preserves help() / autocomplete behavior.
Measured impact (7-run medians, 9950X3D):
import gateway.platforms 127 → 43 ms (-66%)
50 → 27 MB (-46%)
import gateway.platforms.base 127 → 44 ms (-65%)
50 → 27 MB (-46%)
import cli (full chat path) 745 → 710 ms ( -5%)
96 → 90 MB ( -6%)
hermes chat -q (cold) -5 MB
The per-import win is biggest because qqbot/yuanbao deps don't overlap
with anything on the gateway-platforms path — full `import cli`
already loads aiohttp/websockets transitively from other places, so
the marginal CLI win is smaller than the isolated import benchmark.
The `gateway.platforms.base` win is what matters most for long-lived
gateway processes: every gateway boot saves 23 MB resident.
All 144 qqbot tests pass; broader gateway suite (5132 tests) passes
modulo 4 pre-existing flakes also failing on main without this change.
45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
"""
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Platform adapters for messaging integrations.
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Each adapter handles:
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- Receiving messages from a platform
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- Sending messages/responses back
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- Platform-specific authentication
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- Message formatting and media handling
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"""
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from .base import BasePlatformAdapter, MessageEvent, SendResult
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# QQAdapter and YuanbaoAdapter were previously imported eagerly here, but
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# nothing in the codebase consumes ``from gateway.platforms import
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# QQAdapter`` (every real call site uses the long-form path
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# ``from gateway.platforms.qqbot import QQAdapter``). The eager imports
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# pulled in qqbot's chunked-upload + keyboards + onboard machinery and
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# yuanbao's websocket stack — about 48 ms wall and ~8 MB RSS on every
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# CLI invocation, even ones that never touch a gateway adapter.
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#
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# Use PEP 562 module ``__getattr__`` to keep the public re-export working
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# while deferring the actual import to first attribute access. This is
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# 100% backward-compatible for any external code that still imports the
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# adapters from the package root.
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__all__ = [
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"BasePlatformAdapter",
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"MessageEvent",
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"SendResult",
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"QQAdapter",
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"YuanbaoAdapter",
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]
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def __getattr__(name):
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if name == "QQAdapter":
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from .qqbot import QQAdapter # noqa: F401
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return QQAdapter
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if name == "YuanbaoAdapter":
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from .yuanbao import YuanbaoAdapter # noqa: F401
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return YuanbaoAdapter
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raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
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def __dir__():
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return sorted(__all__)
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