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fix(openai): preserve image detail in responses conversion

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MercurioCodex 2026-08-08 15:03:39 -06:00
parent 8faaf2cd1e
commit 91d4049a97
2 changed files with 47 additions and 2 deletions
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9
backend/open_webui/routers/openai.py
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@ -1092,8 +1092,13 @@ def convert_to_responses_payload(payload: dict) -> dict:
content_parts.append({'type': text_type, 'text': part.get('text', '')})
elif part.get('type') == 'image_url':
url_data = part.get('image_url', {})
url = url_data.get('url', '') if isinstance(url_data, dict) else url_data
content_parts.append({'type': 'input_image', 'image_url': url})
if isinstance(url_data, dict):
url = url_data.get('url', '')
detail = url_data.get('detail') or 'auto'
else:
url = url_data
detail = 'auto'
content_parts.append({'type': 'input_image', 'image_url': url, 'detail': detail})
else:
content_parts = [{'type': text_type, 'text': str(content)}]

40
backend/test/routers/test_openai.py Normal file
View file

@ -0,0 +1,40 @@
from copy import deepcopy
from open_webui.routers.openai import convert_to_responses_payload
def _convert(image_url: object) -> dict:
payload = {
'messages': [
{
'role': 'user',
'content': [{'type': 'image_url', 'image_url': image_url}],
}
]
}
result = convert_to_responses_payload(deepcopy(payload))
return result['input'][0]['content'][0]
def test_image_object_without_detail_defaults_to_auto() -> None:
assert _convert({'url': 'data:image/png;base64,abc'}) == {
'type': 'input_image',
'image_url': 'data:image/png;base64,abc',
'detail': 'auto',
}
def test_image_object_preserves_explicit_detail() -> None:
assert _convert({'url': 'https://example.test/image.png', 'detail': 'high'}) == {
'type': 'input_image',
'image_url': 'https://example.test/image.png',
'detail': 'high',
}
def test_string_image_url_defaults_to_auto() -> None:
assert _convert('https://example.test/image.png') == {
'type': 'input_image',
'image_url': 'https://example.test/image.png',
'detail': 'auto',
}