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初始化：独立 oclaw 仓库首提交
- 在 oclaw/ 下重新初始化 Git 仓库 - 补齐子仓库 .gitignore，避免提交本地运行态数据（_local、node_modules、logs 等） - 提交当前工程代码与配置 Made-with: Cursor
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236
platform/llm/transports/openai_responses.py
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236
platform/llm/transports/openai_responses.py
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from __future__ import annotations
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import json
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import logging
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import os
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import uuid
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from typing import Any, Optional
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from collections.abc import Callable, Iterable
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from oclaw.platform.llm.transports.base import ChatModel, LLMResponse, LLMToolCall, normalize_image_b64_payload
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logger = logging.getLogger(__name__)
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def _as_dict(obj: Any) -> dict[str, Any] | None:
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if obj is None:
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return None
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if isinstance(obj, dict):
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return obj
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if hasattr(obj, "model_dump"):
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try:
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d = obj.model_dump(mode="python")
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return d if isinstance(d, dict) else None
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except Exception:
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return None
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return None
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def _collect_tool_calls_from_response_dict(resp: dict[str, Any]) -> list[LLMToolCall]:
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out: list[LLMToolCall] = []
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items = resp.get("output")
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if not isinstance(items, list):
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return out
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for it in items:
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d = _as_dict(it)
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if not d:
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continue
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if str(d.get("type") or "") in ("function_call", "tool_call"):
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call_id = str(d.get("call_id") or d.get("id") or "") or f"call_{uuid.uuid4().hex}"
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name = str(d.get("name") or "") or str((d.get("function") or {}).get("name") or "")
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args = d.get("arguments") or d.get("input") or {}
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if isinstance(args, str):
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try:
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args = json.loads(args)
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except Exception:
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args = {"_raw": args}
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if not isinstance(args, dict):
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args = {"_raw": args}
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out.append(LLMToolCall(id=call_id, name=name, arguments=args, thought_signature=None))
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return out
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def parse_openai_responses_stream_events(
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events: Iterable[Any],
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*,
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on_token: Optional[Callable[[str], None]] = None,
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) -> tuple[str, list[LLMToolCall], dict[str, Any] | None]:
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"""Pure stream parser (offline-testable).
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Returns: (assembled_text, tool_calls, final_response_dict?)
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"""
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parts: list[str] = []
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final_resp: dict[str, Any] | None = None
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for ev in events:
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d = _as_dict(ev) or {}
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typ = str(d.get("type") or "")
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# Text deltas
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if typ in ("response.output_text.delta", "response.output_text"):
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delta = d.get("delta")
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if delta is None:
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delta = d.get("text")
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s = str(delta or "")
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if s:
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parts.append(s)
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if on_token:
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on_token(s)
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continue
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# Sometimes the SDK emits generic `response.delta` with nested segments.
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if typ == "response.delta":
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delta = d.get("delta")
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if isinstance(delta, dict):
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txt = delta.get("output_text")
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if isinstance(txt, str) and txt:
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parts.append(txt)
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if on_token:
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on_token(txt)
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continue
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# Terminal response object
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if typ in ("response.completed", "response.complete", "response.done"):
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resp = d.get("response") or d.get("data") or d.get("result")
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final_resp = _as_dict(resp) or final_resp
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continue
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if typ == "response.created":
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continue
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# Some SDK versions yield the response object directly (no explicit event type).
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if d.get("output") is not None and d.get("id") is not None:
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final_resp = d
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text = "".join(parts)
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tool_calls = _collect_tool_calls_from_response_dict(final_resp) if final_resp else []
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return text, tool_calls, final_resp
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class OpenAIResponsesModel(ChatModel):
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"""OpenAI Responses API transport (OpenAI-compatible gateways may implement this surface)."""
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def __init__(self, *, model: str | None = None, api_key: str | None = None, base_url: str | None = None):
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self.model = (model or os.getenv("OPENAI_MODEL") or "gpt-4o-mini").strip()
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self.api_key = (api_key or os.getenv("OPENAI_API_KEY") or "").strip()
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self.base_url = (base_url or os.getenv("OPENAI_BASE_URL") or "").strip() or None
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if not self.api_key:
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raise RuntimeError("未设置 OPENAI_API_KEY，无法使用 OpenAI Responses")
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try:
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from openai import OpenAI
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except Exception as e:
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raise RuntimeError("未安装 openai 依赖，请先 pip install -r requirements.txt") from e
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kw: dict[str, Any] = {"api_key": self.api_key}
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if self.base_url:
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kw["base_url"] = self.base_url
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self._client = OpenAI(**kw)
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@staticmethod
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def _normalize_messages(messages: list[dict[str, Any]]) -> list[dict[str, Any]]:
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"""
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Normalize to the strictest OpenAI-compatible `responses` shape:
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- input.messages[*].role MUST be "user"
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- input.messages[*].content MUST be a list (content blocks)
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- text blocks use {"type":"text","text":...}
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- image blocks use {"type":"image_url","image_url":{"url":"..."}} or {"type":"input_image","image_url":"..."} depending on gateway;
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we prefer the common "image_url" block here.
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"""
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out: list[dict[str, Any]] = []
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for m in messages or []:
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if not isinstance(m, dict):
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continue
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role = str(m.get("role") or "user").strip().lower() or "user"
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content = m.get("content")
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norm_content: list[dict[str, Any]] = []
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if isinstance(content, list):
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for item in content:
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if isinstance(item, dict) and item.get("type") == "input_image":
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mime = str(item.get("mime") or "image/jpeg").strip() or "image/jpeg"
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b64 = normalize_image_b64_payload(item.get("image_base64") or item.get("data"))
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if not b64:
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continue
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norm_content.append({"type": "image_url", "image_url": {"url": f"data:{mime};base64,{b64}"}})
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continue
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if isinstance(item, dict) and item.get("type") in ("input_text", "text"):
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t = str(item.get("text") or "").strip()
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if t:
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norm_content.append({"type": "text", "text": t})
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continue
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if isinstance(item, dict):
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# Best-effort coerce unknown blocks into valid text blocks.
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s = str(item.get("text") or "").strip()
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if s:
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norm_content.append({"type": "text", "text": s})
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continue
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s = str(item or "").strip()
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if s:
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norm_content.append({"type": "text", "text": s})
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elif isinstance(content, str):
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txt = content.strip()
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if txt:
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norm_content.append({"type": "text", "text": txt})
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elif content is not None:
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s = str(content).strip()
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if s:
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norm_content.append({"type": "text", "text": s})
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if not norm_content:
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# Keep shape valid even for empty messages.
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continue
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# Enforce role=user and preserve other roles via prefix tag.
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if role != "user":
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prefix = "assistant" if role == "assistant" else ("system" if role == "system" else role)
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norm_content.insert(0, {"type": "text", "text": f"[{prefix}]"})
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out.append({"role": "user", "content": norm_content})
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return out
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def chat(
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self,
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messages: list[dict[str, Any]],
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tools: list[dict[str, Any]],
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*,
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on_token: Optional[Callable[[str], None]] = None,
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) -> LLMResponse:
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norm = self._normalize_messages(messages)
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# OpenAI-compatible gateways differ: some require input={"messages":[...]} with role=user only.
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stream_errors: list[str] = []
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stream_variants: list[dict[str, Any]] = [
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{"model": self.model, "input": {"messages": norm}, "tools": tools or None, "stream": True},
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{"model": self.model, "input": norm, "tools": tools or None, "stream": True},
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]
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try:
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for payload in stream_variants:
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try:
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stream = self._client.responses.create(**payload)
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text, tool_calls, final_resp = parse_openai_responses_stream_events(stream, on_token=on_token)
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if (not text.strip()) and final_resp:
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ot = final_resp.get("output_text")
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if isinstance(ot, str) and ot.strip():
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text = ot
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if on_token:
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on_token(text)
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return LLMResponse(content=text, tool_calls=tool_calls)
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except Exception as exc:
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stream_errors.append(str(exc))
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continue
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raise RuntimeError("; ".join(stream_errors) or "responses_stream_all_variants_failed")
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except Exception as exc:
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logger.info("responses stream failed; fallback to non-stream (%s)", exc)
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nonstream_errors: list[str] = []
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for payload in (
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{"model": self.model, "input": {"messages": norm}, "tools": tools or None},
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{"model": self.model, "input": norm, "tools": tools or None},
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):
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try:
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resp = self._client.responses.create(**payload)
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d = _as_dict(resp) or {}
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text = str(d.get("output_text") or "")
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tool_calls = _collect_tool_calls_from_response_dict(d)
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if on_token and text:
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on_token(text)
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return LLMResponse(content=text, tool_calls=tool_calls)
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except Exception as e2:
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nonstream_errors.append(str(e2))
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continue
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raise RuntimeError(
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"openai_responses_request_failed: "
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+ " | ".join([str(exc)] + nonstream_errors[-2:])
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) from exc
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__all__ = ["OpenAIResponsesModel", "parse_openai_responses_stream_events"]
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