3d085eaec4
cmd_chat/__init__.py eagerly imported run_server (sanic/pydantic) and Client, so any `cmd_chat.*` import — including `python -m cmd_chat.operator` — pulled the server stack at package init. On a phone/Termux operator that installs only the operator deps (and where srp may be unbuildable), this failed before the client's pure-SRP fallback could help. Make both imports lazy inside main()'s serve/connect branches. The operator path now imports cleanly with srp/sanic/pydantic all absent (client falls back to _srp_pure). Add a subprocess regression test to keep it that way. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
41 lines
1.5 KiB
Python
41 lines
1.5 KiB
Python
"""Guard the operator's lightweight import surface (docs/termux-operator.md P0).
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A phone/Termux operator installs only the operator deps (requests, rich,
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websockets, cryptography, srp) — never the server stack (sanic, pydantic) — and
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`srp` may be unbuildable there (pure-Python fallback). So `python -m
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cmd_chat.operator` must import with srp/sanic/pydantic ALL absent. This is easy
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to regress: any eager `import srp`/sanic on the operator path breaks it. Run the
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check in a subprocess so blocking modules can't pollute the test interpreter.
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"""
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import subprocess
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import sys
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_SNIPPET = """
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import sys
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# Simulate a Termux operator box: no srp C-ext build, no server-only deps.
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for missing in ("srp", "sanic", "sanic_ext", "pydantic"):
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sys.modules[missing] = None # 'import X' now raises ImportError
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import cmd_chat.operator # must not need srp/sanic/pydantic
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assert hasattr(cmd_chat.operator, "OperatorBridge")
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import cmd_chat.client.client as c # client must fall back to the shim
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assert c.srp.__name__.endswith("_srp_pure"), c.srp.__name__
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print("OK")
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"""
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def test_operator_imports_without_srp_or_server_deps():
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proc = subprocess.run(
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[sys.executable, "-c", _SNIPPET],
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capture_output=True,
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text=True,
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)
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assert proc.returncode == 0, (
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"operator import failed without srp/sanic/pydantic:\n"
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f"stdout:\n{proc.stdout}\nstderr:\n{proc.stderr}"
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)
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assert proc.stdout.strip().endswith("OK"), proc.stdout
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