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NCBM
2bb6e06171
``search_sources`` (a provider list, ``["deepseek", "bing"]`` by default, ``[]`` to not offer the tool at all) names what the local ``web_search`` tool searches with, in fallback order: ``search_in_order`` asks each source in turn and keeps the first answer, so a source that errors — a rate limit, a rejected key — or finds nothing hands over to the next instead of failing the tool. The handler reports the failures only when every source came up empty. The Bing leg answers with its RSS results (``?format=rss``), which need no key and carry a description — the snippet DeepSeek's own index does not hand out — and it goes through the ``fetch`` client, so the SSRF and host-grant policy applies to it too (a host that binds tool instance state, as the CLI does).
67 lines
2.6 KiB
Python
67 lines
2.6 KiB
Python
"""The routing decisions around a provider's API surface."""
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from __future__ import annotations
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from dataclasses import replace
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from plyngent.config.models import DeepseekProvider
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from plyngent.config.routing import (
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EffectiveProvider,
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deepseek_search_base_url,
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local_web_search,
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resolve_effective_provider,
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wants_web_search,
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)
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SEARCH_TOOLS: list[dict[str, object]] = [{"type": "web_search"}]
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def _effective(
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*,
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convention: str = "",
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url: str = "",
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tools: list[dict[str, object]] | None = None,
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sources: list[str] | None = None,
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) -> EffectiveProvider:
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provider = DeepseekProvider(access_key_or_token="sk-test", convention=convention, url=url)
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effective = resolve_effective_provider(provider, model="deepseek-flash")
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if tools is not None:
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effective = replace(effective, provider_tools=tools)
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if sources is not None:
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effective = replace(effective, search_sources=sources)
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return effective
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def test_a_deepseek_provider_asks_for_a_search_tool_like_openai_does() -> None:
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# ``provider_tools`` defaults to web_search for both presets; ``[]`` disables.
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assert wants_web_search(_effective()) is True
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assert wants_web_search(_effective(tools=[])) is False
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def test_chat_and_responses_conventions_use_the_local_tool() -> None:
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# Only the Anthropic surface hosts a search; the others ignore a hosted tool,
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# so the default web_search becomes plyngent's own tool there.
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assert local_web_search(_effective(convention="")) is True
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assert local_web_search(_effective(convention="responses")) is True
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assert local_web_search(_effective(convention="anthropic")) is False
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def test_without_provider_tools_there_is_no_search() -> None:
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assert local_web_search(_effective(convention="responses", tools=[])) is False
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def test_without_search_sources_there_is_no_local_tool() -> None:
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# ``search_sources = []`` leaves the tool out even though provider_tools ask
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# for a search (the hosted path on the Anthropic convention is unaffected).
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assert _effective(convention="responses", sources=[]).search_sources == []
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assert local_web_search(_effective(convention="responses", sources=[])) is False
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assert _effective(convention="responses").search_sources == ["deepseek", "bing"]
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def test_search_base_url_prefers_an_anthropic_endpoint() -> None:
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assert deepseek_search_base_url(_effective(convention="responses")) == "https://api.deepseek.com/anthropic"
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assert (
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deepseek_search_base_url(_effective(convention="responses", url="https://gateway.example/anthropic"))
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== "https://gateway.example/anthropic"
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)
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