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fix(openai): route streaming image edits to correct endpoint and format #180

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Merged
Kamilbenkirane merged 1 commit into from
Feb 24, 2026
Merged

fix(openai): route streaming image edits to correct endpoint and format #180

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11 changes: 9 additions & 2 deletions src/celeste/providers/openai/images/client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@
from celeste.client import APIMixin
from celeste.core import UsageField
from celeste.io import FinishReason
from celeste.utils import detect_mime_type
from celeste.utils import build_image_data_url, detect_mime_type

from . import config

Expand Down Expand Up @@ -127,7 +127,7 @@ def _make_stream_request(
endpoint: str | None = None,
**parameters: Any,
) -> AsyncIterator[dict[str, Any]]:
"""Make streaming request to OpenAI Images API generations endpoint.
"""Make streaming request to OpenAI Images API.

Streaming is only supported for gpt-image-1.
"""
Expand All @@ -137,6 +137,13 @@ def _make_stream_request(
if "partial_images" not in request_body:
request_body["partial_images"] = 1

# Serialize ImageArtifact for JSON streaming edit
# Non-streaming uses multipart; streaming uses JSON with images array
if "image" in request_body and hasattr(request_body["image"], "get_base64"):
artifact = request_body.pop("image")
request_body["images"] = [{"image_url": build_image_data_url(artifact)}]
endpoint = config.OpenAIImagesEndpoint.CREATE_EDIT

headers = self._json_headers()

return self.http_client.stream_post(
Expand Down
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