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fix: backfill empty codex output in auxiliary client (#5730)

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The _CodexCompletionsAdapter (used for compression, vision, web_extract,
session_search, and memory flush when on the codex provider) streamed
responses but discarded all events with 'for _event in stream: pass'.
When get_final_response() returned empty output (the same chatgpt.com
backend-api shape change), auxiliary calls silently returned None content.

Now collects response.output_item.done and text deltas during streaming
and backfills empty output — same pattern as _run_codex_stream().

Tested live against chatgpt.com/backend-api/codex with OAuth.
This commit is contained in:
Teknium
2026-04-06 21:13:22 -07:00
committed by GitHub
parent 2021442c8a
commit 21b48b2ff5
1 changed files with 34 additions and 1 deletions
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35
agent/auxiliary_client.py
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@@ -260,11 +260,44 @@ class _CodexCompletionsAdapter:
usage = None
try:
# Collect output items and text deltas during streaming —
# the Codex backend can return empty response.output from
# get_final_response() even when items were streamed.
collected_output_items: List[Any] = []
collected_text_deltas: List[str] = []
with self._client.responses.stream(**resp_kwargs) as stream:
for _event in stream:
pass
_etype = getattr(_event, "type", "")
if _etype == "response.output_item.done":
_done = getattr(_event, "item", None)
if _done is not None:
collected_output_items.append(_done)
elif "output_text.delta" in _etype:
_delta = getattr(_event, "delta", "")
if _delta:
collected_text_deltas.append(_delta)
final = stream.get_final_response()
# Backfill empty output from collected stream events
_output = getattr(final, "output", None)
if isinstance(_output, list) and not _output:
if collected_output_items:
final.output = list(collected_output_items)
logger.debug(
"Codex auxiliary: backfilled %d output items from stream events",
len(collected_output_items),
)
elif collected_text_deltas:
assembled = "".join(collected_text_deltas)
final.output = [SimpleNamespace(
type="message", role="assistant", status="completed",
content=[SimpleNamespace(type="output_text", text=assembled)],
)]
logger.debug(
"Codex auxiliary: synthesized from %d deltas (%d chars)",
len(collected_text_deltas), len(assembled),
)
# Extract text and tool calls from the Responses output
for item in getattr(final, "output", []):
item_type = getattr(item, "type", None)