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improve: enhance image format detection in process_image method

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- Add proper MIME type detection for both data URLs and HTTP requests
- Extract media type from Content-Type header or MIME type
- Make format detection more robust and generic
- Remove hardcoded PNG/JPEG format assumptions
This commit is contained in:
Takahiro Kikumoto 2025-03-18 21:28:05 +09:00
parent 327062733a
commit 488c43edd9
1 changed files with 14 additions and 7 deletions
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21
examples/pipelines/providers/aws_bedrock_claude_pipeline.py
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@ -227,17 +227,24 @@ class Pipeline:
def process_image(self, image: str):
img_stream = None
if image["url"].startswith("data:image"):
if ',' in image["url"]:
base64_string = image["url"].split(',')[1]
image_data = base64.b64decode(base64_string)
content_type = None
if image["url"].startswith("data:image"):
mime_type, base64_string = image["url"].split(",", 1)
content_type = mime_type.split(":")[1].split(";")[0]
image_data = base64.b64decode(base64_string)
img_stream = BytesIO(image_data)
else:
img_stream = requests.get(image["url"]).content
response = requests.get(image["url"])
img_stream = BytesIO(response.content)
content_type = response.headers.get('Content-Type', 'image/jpeg')
media_type = content_type.split('/')[-1] if '/' in content_type else content_type
return {
"image": {"format": "png" if image["url"].endswith(".png") else "jpeg",
"source": {"bytes": img_stream.read()}}
"image": {
"format": media_type,
"source": {"bytes": img_stream.read()}
}
}
def stream_response(self, model_id: str, payload: dict) -> Generator: