Skip to content

Support OpenAI Responses API returning encrypted reasoning content without summary #2866

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 11, 2025
Merged

Support OpenAI Responses API returning encrypted reasoning content without summary #2866

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions pydantic_ai_slim/pydantic_ai/_parts_manager.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -198,16 +198,16 @@ def handle_thinking_delta(
existing_thinking_part_and_index = existing_part, part_index

if existing_thinking_part_and_index is None:
if content is not None:
if content is not None or signature is not None:
# There is no existing thinking part that should be updated, so create a new one
new_part_index = len(self._parts)
part = ThinkingPart(content=content, id=id, signature=signature, provider_name=provider_name)
part = ThinkingPart(content=content or '', id=id, signature=signature, provider_name=provider_name)
if vendor_part_id is not None: # pragma: no branch
self._vendor_id_to_part_index[vendor_part_id] = new_part_index
self._parts.append(part)
return PartStartEvent(index=new_part_index, part=part)
else:
raise UnexpectedModelBehavior('Cannot create a ThinkingPart with no content')
raise UnexpectedModelBehavior('Cannot create a ThinkingPart with no content or signature')
else:
if content is not None or signature is not None:
# Update the existing ThinkingPart with the new content and/or signature delta
Expand Down
1 change: 0 additions & 1 deletion pydantic_ai_slim/pydantic_ai/models/anthropic.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -641,7 +641,6 @@ async def _get_event_iterator(self) -> AsyncIterator[ModelResponseStreamEvent]:
yield self._parts_manager.handle_thinking_delta(
vendor_part_id=event.index,
id='redacted_thinking',
content='',
signature=current_block.data,
provider_name=self.provider_name,
)
Expand Down
1 change: 0 additions & 1 deletion pydantic_ai_slim/pydantic_ai/models/bedrock.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -681,7 +681,6 @@ async def _get_event_iterator(self) -> AsyncIterator[ModelResponseStreamEvent]:
yield self._parts_manager.handle_thinking_delta(
vendor_part_id=index,
id='redacted_content',
content='',
signature=redacted_content.decode('utf-8'),
provider_name=self.provider_name,
)
Expand Down
1 change: 0 additions & 1 deletion pydantic_ai_slim/pydantic_ai/models/google.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -596,7 +596,6 @@ async def _get_event_iterator(self) -> AsyncIterator[ModelResponseStreamEvent]:
signature = base64.b64encode(part.thought_signature).decode('utf-8')
yield self._parts_manager.handle_thinking_delta(
vendor_part_id='thinking',
content='', # A thought signature may occur without a preceding thinking part, so we add an empty delta so that a new part can be created
signature=signature,
provider_name=self.provider_name,
)
Expand Down
4 changes: 1 addition & 3 deletions tests/models/test_google.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1226,9 +1226,7 @@ def dummy() -> None: ... # pragma: no cover
PartDeltaEvent(index=0, delta=ThinkingPartDelta(content_delta=IsStr())),
PartDeltaEvent(index=0, delta=ThinkingPartDelta(content_delta=IsStr())),
PartDeltaEvent(index=0, delta=ThinkingPartDelta(content_delta=IsStr())),
PartDeltaEvent(
index=0, delta=ThinkingPartDelta(content_delta='', signature_delta=IsStr(), provider_name='google-gla')
),
PartDeltaEvent(index=0, delta=ThinkingPartDelta(signature_delta=IsStr(), provider_name='google-gla')),
PartStartEvent(index=1, part=TextPart(content=IsStr())),
FinalResultEvent(tool_name=None, tool_call_id=None),
PartDeltaEvent(index=1, delta=TextPartDelta(content_delta=IsStr())),
Expand Down