feat(openai): trace images api calls#245

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Merged
Abhijeet Prasad (AbhiPrasad) merged 1 commit into from
Apr 10, 2026
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feat(openai): trace images api calls #245

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9 changes: 4 additions & 5 deletions py/src/braintrust/integrations/adk/tracing.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,8 @@
from typing import Any, cast

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.logger import Attachment, start_span
from braintrust.integrations.utils import _attachment_from_bytes, _image_url_payload
from braintrust.logger import start_span
from braintrust.span_types import SpanTypeAttribute


Expand DownExpand Up@@ -59,12 +60,10 @@ def _serialize_part(part: Any) -> Any:

# Convert bytes to Attachment
if isinstance(data, bytes):
extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
filename = f"file.{extension}"
attachment = Attachment(data=data, filename=filename, content_type=mime_type)
attachment = _attachment_from_bytes(data, mime_type)

# Return in image_url format - SDK will replace with AttachmentReference
return {"image_url": {"url": attachment}}
return _image_url_payload(attachment)

# Handle Part objects with file_data (file references)
if hasattr(part, "file_data") and part.file_data:
Expand Down
25 changes: 11 additions & 14 deletions py/src/braintrust/integrations/anthropic/tracing.py
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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
import base64
import logging
import time
import warnings

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.anthropic._utils import Wrapper, extract_anthropic_usage
from braintrust.logger import Attachment, log_exc_info_to_span, start_span
from braintrust.integrations.utils import (
_attachment_filename_for_mime_type,
_attachment_from_base64_data,
_image_url_payload,
)
from braintrust.logger import log_exc_info_to_span, start_span


log = logging.getLogger(__name__)
Expand DownExpand Up@@ -410,10 +414,8 @@ def _start_batch_results_span(args, kwargs):


def _attachment_filename_for_media_type(media_type: str, block_type: str) -> str:
extension = media_type.split("/", 1)[1] if "/" in media_type else "bin"
extension = extension.split("+", 1)[0]
prefix = "image" if block_type == "image" else "document"
return f"{prefix}.{extension}"
return _attachment_filename_for_mime_type(media_type, prefix=prefix)


def _convert_base64_source_to_attachment(block_type, source):
Expand All@@ -427,15 +429,10 @@ def _convert_base64_source_to_attachment(block_type, source):
if not isinstance(media_type, str) or not isinstance(data, str):
return None

try:
binary_data = base64.b64decode(data, validate=True)
except Exception:
return None

return Attachment(
data=binary_data,
return _attachment_from_base64_data(
data,
media_type,
filename=_attachment_filename_for_media_type(media_type, block_type),
content_type=media_type,
)


Expand All@@ -452,7 +449,7 @@ def _process_input_attachments(value):
if attachment is not None:
processed = {k: _process_input_attachments(v) for k, v in value.items() if k != "source"}
processed["source"] = {k: _process_input_attachments(v) for k, v in source.items() if k != "data"}
processed["image_url"] = {"url": attachment}
processed.update(_image_url_payload(attachment))
return processed

return {k: _process_input_attachments(v) for k, v in value.items()}
Expand Down
42 changes: 14 additions & 28 deletions py/src/braintrust/integrations/google_genai/tracing.py
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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,5 @@
"""Google GenAI-specific span creation, metadata extraction, stream handling, and output normalization."""

import base64
import binascii
import contextvars
import dataclasses
import logging
Expand All@@ -12,6 +10,12 @@
from typing import TYPE_CHECKING, Any

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.utils import (
_attachment_filename_for_mime_type,
_attachment_from_base64_data,
_attachment_from_bytes,
_image_url_payload,
)
from braintrust.logger import Attachment, start_span
from braintrust.span_types import SpanTypeAttribute
from braintrust.util import clean_nones
Expand DownExpand Up@@ -114,16 +118,11 @@ def _serialize_content_item(item: Any) -> Any:

# Ensure data is bytes
if isinstance(data, bytes):
# Determine file extension from mime type
extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
filename = f"file.{extension}"

# Create an Attachment object
attachment = Attachment(data=data, filename=filename, content_type=mime_type)
attachment = _attachment_from_bytes(data, mime_type)

# Return the attachment object in image_url format
# The SDK's _extract_attachments will replace it with its reference when logging
return {"image_url": {"url": attachment}}
return _image_url_payload(attachment)

# Try to use built-in serialization if available
if hasattr(item, "model_dump"):
Expand DownExpand Up@@ -156,21 +155,6 @@ def _serialize_tools(api_client: Any, input: Any | None) -> Any | None:
return None


def _attachment_from_base64_data(data: str, mime_type: str, *, label: str) -> Attachment | None:
raw_data = data
if raw_data.startswith("data:"):
_, _, encoded = raw_data.partition(",")
raw_data = encoded

try:
decoded = base64.b64decode(raw_data, validate=True)
except (ValueError, binascii.Error):
return None

extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
return Attachment(data=decoded, filename=f"{label}.{extension}", content_type=mime_type)


def _serialize_interaction_content_dict(value: dict[str, Any]) -> dict[str, Any]:
serialized = {key: _serialize_interaction_value(val) for key, val in value.items() if val is not None}

Expand DownExpand Up@@ -402,10 +386,12 @@ def _extract_generate_images_output(response: Any) -> dict[str, Any]:
# Convert image bytes to an Attachment so the SDK uploads them to
# object storage and the Braintrust UI can render the image.
if isinstance(image_bytes, bytes) and mime_type:
extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
filename = f"generated_image_{i}.{extension}"
attachment = Attachment(data=image_bytes, filename=filename, content_type=mime_type)
image_entry["image_url"] = {"url": attachment}
attachment = _attachment_from_bytes(
image_bytes,
mime_type,
filename=_attachment_filename_for_mime_type(mime_type, prefix=f"generated_image_{i}"),
)
image_entry.update(_image_url_payload(attachment))

serialized_images.append(image_entry)

Expand Down
194 changes: 194 additions & 0 deletions py/src/braintrust/integrations/openai/cassettes/test_openai_images_edit.yaml
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@@ -0,0 +1,194 @@
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feat(openai): trace images api calls#245

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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

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Apr 10, 2026
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feat(openai): trace images api calls
#245
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9 changes: 4 additions & 5 deletions
py/src/braintrust/integrations/adk/tracing.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,8 @@
from typing import Any, cast

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.logger import Attachment, start_span
from braintrust.integrations.utils import _attachment_from_bytes, _image_url_payload
from braintrust.logger import start_span
from braintrust.span_types import SpanTypeAttribute


Expand DownExpand Up@@ -59,12 +60,10 @@ def _serialize_part(part: Any) -> Any:

 # Convert bytes to Attachment
 if isinstance(data, bytes):
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return in image_url format - SDK will replace with AttachmentReference
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Handle Part objects with file_data (file references)
 if hasattr(part, "file_data") and part.file_data:
Expand Down

25 changes: 11 additions & 14 deletions
py/src/braintrust/integrations/anthropic/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
import base64
import logging
import time
import warnings

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.anthropic._utils import Wrapper, extract_anthropic_usage
from braintrust.logger import Attachment, log_exc_info_to_span, start_span
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _image_url_payload,
)
from braintrust.logger import log_exc_info_to_span, start_span


log = logging.getLogger(__name__)
Expand DownExpand Up@@ -410,10 +414,8 @@ def _start_batch_results_span(args, kwargs):


def _attachment_filename_for_media_type(media_type: str, block_type: str) -> str:
 extension = media_type.split("/", 1)[1] if "/" in media_type else "bin"
 extension = extension.split("+", 1)[0]
 prefix = "image" if block_type == "image" else "document"
 return f"{prefix}.{extension}"
 return _attachment_filename_for_mime_type(media_type, prefix=prefix)


def _convert_base64_source_to_attachment(block_type, source):
Expand All@@ -427,15 +429,10 @@ def _convert_base64_source_to_attachment(block_type, source):
 if not isinstance(media_type, str) or not isinstance(data, str):
 return None

 try:
 binary_data = base64.b64decode(data, validate=True)
 except Exception:
 return None

 return Attachment(
 data=binary_data,
 return _attachment_from_base64_data(
 data,
 media_type,
 filename=_attachment_filename_for_media_type(media_type, block_type),
 content_type=media_type,
 )


Expand All@@ -452,7 +449,7 @@ def _process_input_attachments(value):
 if attachment is not None:
 processed = {k: _process_input_attachments(v) for k, v in value.items() if k != "source"}
 processed["source"] = {k: _process_input_attachments(v) for k, v in source.items() if k != "data"}
 processed["image_url"] = {"url": attachment}
 processed.update(_image_url_payload(attachment))
 return processed

 return {k: _process_input_attachments(v) for k, v in value.items()}
Expand Down

42 changes: 14 additions & 28 deletions
py/src/braintrust/integrations/google_genai/tracing.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,7 +1,5 @@
"""Google GenAI-specific span creation, metadata extraction, stream handling, and output normalization."""

import base64
import binascii
import contextvars
import dataclasses
import logging
Expand All@@ -12,6 +10,12 @@
from typing import TYPE_CHECKING, Any

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _attachment_from_bytes,
 _image_url_payload,
)
from braintrust.logger import Attachment, start_span
from braintrust.span_types import SpanTypeAttribute
from braintrust.util import clean_nones
Expand DownExpand Up@@ -114,16 +118,11 @@ def _serialize_content_item(item: Any) -> Any:

 # Ensure data is bytes
 if isinstance(data, bytes):
 # Determine file extension from mime type
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"

 # Create an Attachment object
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return the attachment object in image_url format
 # The SDK's _extract_attachments will replace it with its reference when logging
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Try to use built-in serialization if available
 if hasattr(item, "model_dump"):
Expand DownExpand Up@@ -156,21 +155,6 @@ def _serialize_tools(api_client: Any, input: Any | None) -> Any | None:
 return None


def _attachment_from_base64_data(data: str, mime_type: str, *, label: str) -> Attachment | None:
 raw_data = data
 if raw_data.startswith("data:"):
 _, _, encoded = raw_data.partition(",")
 raw_data = encoded

 try:
 decoded = base64.b64decode(raw_data, validate=True)
 except (ValueError, binascii.Error):
 return None

 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 return Attachment(data=decoded, filename=f"{label}.{extension}", content_type=mime_type)


def _serialize_interaction_content_dict(value: dict[str, Any]) -> dict[str, Any]:
 serialized = {key: _serialize_interaction_value(val) for key, val in value.items() if val is not None}

Expand DownExpand Up@@ -402,10 +386,12 @@ def _extract_generate_images_output(response: Any) -> dict[str, Any]:
 # Convert image bytes to an Attachment so the SDK uploads them to
 # object storage and the Braintrust UI can render the image.
 if isinstance(image_bytes, bytes) and mime_type:
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"generated_image_{i}.{extension}"
 attachment = Attachment(data=image_bytes, filename=filename, content_type=mime_type)
 image_entry["image_url"] = {"url": attachment}
 attachment = _attachment_from_bytes(
 image_bytes,
 mime_type,
 filename=_attachment_filename_for_mime_type(mime_type, prefix=f"generated_image_{i}"),
 )
 image_entry.update(_image_url_payload(attachment))

 serialized_images.append(image_entry)

Expand Down

194 changes: 194 additions & 0 deletions
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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

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Apr 10, 2026
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feat(openai): trace images api calls
#245
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9 changes: 4 additions & 5 deletions
py/src/braintrust/integrations/adk/tracing.py

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,8 @@
from typing import Any, cast

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.logger import Attachment, start_span
from braintrust.integrations.utils import _attachment_from_bytes, _image_url_payload
from braintrust.logger import start_span
from braintrust.span_types import SpanTypeAttribute


Expand DownExpand Up@@ -59,12 +60,10 @@ def _serialize_part(part: Any) -> Any:

 # Convert bytes to Attachment
 if isinstance(data, bytes):
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return in image_url format - SDK will replace with AttachmentReference
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Handle Part objects with file_data (file references)
 if hasattr(part, "file_data") and part.file_data:
Expand Down

25 changes: 11 additions & 14 deletions
py/src/braintrust/integrations/anthropic/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
import base64
import logging
import time
import warnings

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.anthropic._utils import Wrapper, extract_anthropic_usage
from braintrust.logger import Attachment, log_exc_info_to_span, start_span
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _image_url_payload,
)
from braintrust.logger import log_exc_info_to_span, start_span


log = logging.getLogger(__name__)
Expand DownExpand Up@@ -410,10 +414,8 @@ def _start_batch_results_span(args, kwargs):


def _attachment_filename_for_media_type(media_type: str, block_type: str) -> str:
 extension = media_type.split("/", 1)[1] if "/" in media_type else "bin"
 extension = extension.split("+", 1)[0]
 prefix = "image" if block_type == "image" else "document"
 return f"{prefix}.{extension}"
 return _attachment_filename_for_mime_type(media_type, prefix=prefix)


def _convert_base64_source_to_attachment(block_type, source):
Expand All@@ -427,15 +429,10 @@ def _convert_base64_source_to_attachment(block_type, source):
 if not isinstance(media_type, str) or not isinstance(data, str):
 return None

 try:
 binary_data = base64.b64decode(data, validate=True)
 except Exception:
 return None

 return Attachment(
 data=binary_data,
 return _attachment_from_base64_data(
 data,
 media_type,
 filename=_attachment_filename_for_media_type(media_type, block_type),
 content_type=media_type,
 )


Expand All@@ -452,7 +449,7 @@ def _process_input_attachments(value):
 if attachment is not None:
 processed = {k: _process_input_attachments(v) for k, v in value.items() if k != "source"}
 processed["source"] = {k: _process_input_attachments(v) for k, v in source.items() if k != "data"}
 processed["image_url"] = {"url": attachment}
 processed.update(_image_url_payload(attachment))
 return processed

 return {k: _process_input_attachments(v) for k, v in value.items()}
Expand Down

42 changes: 14 additions & 28 deletions
py/src/braintrust/integrations/google_genai/tracing.py

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,7 +1,5 @@
"""Google GenAI-specific span creation, metadata extraction, stream handling, and output normalization."""

import base64
import binascii
import contextvars
import dataclasses
import logging
Expand All@@ -12,6 +10,12 @@
from typing import TYPE_CHECKING, Any

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _attachment_from_bytes,
 _image_url_payload,
)
from braintrust.logger import Attachment, start_span
from braintrust.span_types import SpanTypeAttribute
from braintrust.util import clean_nones
Expand DownExpand Up@@ -114,16 +118,11 @@ def _serialize_content_item(item: Any) -> Any:

 # Ensure data is bytes
 if isinstance(data, bytes):
 # Determine file extension from mime type
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"

 # Create an Attachment object
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return the attachment object in image_url format
 # The SDK's _extract_attachments will replace it with its reference when logging
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Try to use built-in serialization if available
 if hasattr(item, "model_dump"):
Expand DownExpand Up@@ -156,21 +155,6 @@ def _serialize_tools(api_client: Any, input: Any | None) -> Any | None:
 return None


def _attachment_from_base64_data(data: str, mime_type: str, *, label: str) -> Attachment | None:
 raw_data = data
 if raw_data.startswith("data:"):
 _, _, encoded = raw_data.partition(",")
 raw_data = encoded

 try:
 decoded = base64.b64decode(raw_data, validate=True)
 except (ValueError, binascii.Error):
 return None

 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 return Attachment(data=decoded, filename=f"{label}.{extension}", content_type=mime_type)


def _serialize_interaction_content_dict(value: dict[str, Any]) -> dict[str, Any]:
 serialized = {key: _serialize_interaction_value(val) for key, val in value.items() if val is not None}

Expand DownExpand Up@@ -402,10 +386,12 @@ def _extract_generate_images_output(response: Any) -> dict[str, Any]:
 # Convert image bytes to an Attachment so the SDK uploads them to
 # object storage and the Braintrust UI can render the image.
 if isinstance(image_bytes, bytes) and mime_type:
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"generated_image_{i}.{extension}"
 attachment = Attachment(data=image_bytes, filename=filename, content_type=mime_type)
 image_entry["image_url"] = {"url": attachment}
 attachment = _attachment_from_bytes(
 image_bytes,
 mime_type,
 filename=_attachment_filename_for_mime_type(mime_type, prefix=f"generated_image_{i}"),
 )
 image_entry.update(_image_url_payload(attachment))

 serialized_images.append(image_entry)

Expand Down

194 changes: 194 additions & 0 deletions
py/src/braintrust/integrations/openai/cassettes/test_openai_images_edit.yaml

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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

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Apr 10, 2026
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feat(openai): trace images api calls
#245
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9 changes: 4 additions & 5 deletions
py/src/braintrust/integrations/adk/tracing.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,8 @@
from typing import Any, cast

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.logger import Attachment, start_span
from braintrust.integrations.utils import _attachment_from_bytes, _image_url_payload
from braintrust.logger import start_span
from braintrust.span_types import SpanTypeAttribute


Expand DownExpand Up@@ -59,12 +60,10 @@ def _serialize_part(part: Any) -> Any:

 # Convert bytes to Attachment
 if isinstance(data, bytes):
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return in image_url format - SDK will replace with AttachmentReference
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Handle Part objects with file_data (file references)
 if hasattr(part, "file_data") and part.file_data:
Expand Down

25 changes: 11 additions & 14 deletions
py/src/braintrust/integrations/anthropic/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
import base64
import logging
import time
import warnings

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.anthropic._utils import Wrapper, extract_anthropic_usage
from braintrust.logger import Attachment, log_exc_info_to_span, start_span
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _image_url_payload,
)
from braintrust.logger import log_exc_info_to_span, start_span


log = logging.getLogger(__name__)
Expand DownExpand Up@@ -410,10 +414,8 @@ def _start_batch_results_span(args, kwargs):


def _attachment_filename_for_media_type(media_type: str, block_type: str) -> str:
 extension = media_type.split("/", 1)[1] if "/" in media_type else "bin"
 extension = extension.split("+", 1)[0]
 prefix = "image" if block_type == "image" else "document"
 return f"{prefix}.{extension}"
 return _attachment_filename_for_mime_type(media_type, prefix=prefix)


def _convert_base64_source_to_attachment(block_type, source):
Expand All@@ -427,15 +429,10 @@ def _convert_base64_source_to_attachment(block_type, source):
 if not isinstance(media_type, str) or not isinstance(data, str):
 return None

 try:
 binary_data = base64.b64decode(data, validate=True)
 except Exception:
 return None

 return Attachment(
 data=binary_data,
 return _attachment_from_base64_data(
 data,
 media_type,
 filename=_attachment_filename_for_media_type(media_type, block_type),
 content_type=media_type,
 )


Expand All@@ -452,7 +449,7 @@ def _process_input_attachments(value):
 if attachment is not None:
 processed = {k: _process_input_attachments(v) for k, v in value.items() if k != "source"}
 processed["source"] = {k: _process_input_attachments(v) for k, v in source.items() if k != "data"}
 processed["image_url"] = {"url": attachment}
 processed.update(_image_url_payload(attachment))
 return processed

 return {k: _process_input_attachments(v) for k, v in value.items()}
Expand Down

42 changes: 14 additions & 28 deletions
py/src/braintrust/integrations/google_genai/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,5 @@
"""Google GenAI-specific span creation, metadata extraction, stream handling, and output normalization."""

import base64
import binascii
import contextvars
import dataclasses
import logging
Expand All@@ -12,6 +10,12 @@
from typing import TYPE_CHECKING, Any

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _attachment_from_bytes,
 _image_url_payload,
)
from braintrust.logger import Attachment, start_span
from braintrust.span_types import SpanTypeAttribute
from braintrust.util import clean_nones
Expand DownExpand Up@@ -114,16 +118,11 @@ def _serialize_content_item(item: Any) -> Any:

 # Ensure data is bytes
 if isinstance(data, bytes):
 # Determine file extension from mime type
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"

 # Create an Attachment object
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return the attachment object in image_url format
 # The SDK's _extract_attachments will replace it with its reference when logging
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Try to use built-in serialization if available
 if hasattr(item, "model_dump"):
Expand DownExpand Up@@ -156,21 +155,6 @@ def _serialize_tools(api_client: Any, input: Any | None) -> Any | None:
 return None


def _attachment_from_base64_data(data: str, mime_type: str, *, label: str) -> Attachment | None:
 raw_data = data
 if raw_data.startswith("data:"):
 _, _, encoded = raw_data.partition(",")
 raw_data = encoded

 try:
 decoded = base64.b64decode(raw_data, validate=True)
 except (ValueError, binascii.Error):
 return None

 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 return Attachment(data=decoded, filename=f"{label}.{extension}", content_type=mime_type)


def _serialize_interaction_content_dict(value: dict[str, Any]) -> dict[str, Any]:
 serialized = {key: _serialize_interaction_value(val) for key, val in value.items() if val is not None}

Expand DownExpand Up@@ -402,10 +386,12 @@ def _extract_generate_images_output(response: Any) -> dict[str, Any]:
 # Convert image bytes to an Attachment so the SDK uploads them to
 # object storage and the Braintrust UI can render the image.
 if isinstance(image_bytes, bytes) and mime_type:
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"generated_image_{i}.{extension}"
 attachment = Attachment(data=image_bytes, filename=filename, content_type=mime_type)
 image_entry["image_url"] = {"url": attachment}
 attachment = _attachment_from_bytes(
 image_bytes,
 mime_type,
 filename=_attachment_filename_for_mime_type(mime_type, prefix=f"generated_image_{i}"),
 )
 image_entry.update(_image_url_payload(attachment))

 serialized_images.append(image_entry)

Expand Down

194 changes: 194 additions & 0 deletions
py/src/braintrust/integrations/openai/cassettes/test_openai_images_edit.yaml

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 Merged

Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

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Apr 10, 2026
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feat(openai): trace images api calls
#245
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9 changes: 4 additions & 5 deletions
py/src/braintrust/integrations/adk/tracing.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,8 @@
from typing import Any, cast

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.logger import Attachment, start_span
from braintrust.integrations.utils import _attachment_from_bytes, _image_url_payload
from braintrust.logger import start_span
from braintrust.span_types import SpanTypeAttribute


Expand DownExpand Up@@ -59,12 +60,10 @@ def _serialize_part(part: Any) -> Any:

 # Convert bytes to Attachment
 if isinstance(data, bytes):
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return in image_url format - SDK will replace with AttachmentReference
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Handle Part objects with file_data (file references)
 if hasattr(part, "file_data") and part.file_data:
Expand Down

25 changes: 11 additions & 14 deletions
py/src/braintrust/integrations/anthropic/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
import base64
import logging
import time
import warnings

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.anthropic._utils import Wrapper, extract_anthropic_usage
from braintrust.logger import Attachment, log_exc_info_to_span, start_span
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _image_url_payload,
)
from braintrust.logger import log_exc_info_to_span, start_span


log = logging.getLogger(__name__)
Expand DownExpand Up@@ -410,10 +414,8 @@ def _start_batch_results_span(args, kwargs):


def _attachment_filename_for_media_type(media_type: str, block_type: str) -> str:
 extension = media_type.split("/", 1)[1] if "/" in media_type else "bin"
 extension = extension.split("+", 1)[0]
 prefix = "image" if block_type == "image" else "document"
 return f"{prefix}.{extension}"
 return _attachment_filename_for_mime_type(media_type, prefix=prefix)


def _convert_base64_source_to_attachment(block_type, source):
Expand All@@ -427,15 +429,10 @@ def _convert_base64_source_to_attachment(block_type, source):
 if not isinstance(media_type, str) or not isinstance(data, str):
 return None

 try:
 binary_data = base64.b64decode(data, validate=True)
 except Exception:
 return None

 return Attachment(
 data=binary_data,
 return _attachment_from_base64_data(
 data,
 media_type,
 filename=_attachment_filename_for_media_type(media_type, block_type),
 content_type=media_type,
 )


Expand All@@ -452,7 +449,7 @@ def _process_input_attachments(value):
 if attachment is not None:
 processed = {k: _process_input_attachments(v) for k, v in value.items() if k != "source"}
 processed["source"] = {k: _process_input_attachments(v) for k, v in source.items() if k != "data"}
 processed["image_url"] = {"url": attachment}
 processed.update(_image_url_payload(attachment))
 return processed

 return {k: _process_input_attachments(v) for k, v in value.items()}
Expand Down

42 changes: 14 additions & 28 deletions
py/src/braintrust/integrations/google_genai/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,5 @@
"""Google GenAI-specific span creation, metadata extraction, stream handling, and output normalization."""

import base64
import binascii
import contextvars
import dataclasses
import logging
Expand All@@ -12,6 +10,12 @@
from typing import TYPE_CHECKING, Any

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _attachment_from_bytes,
 _image_url_payload,
)
from braintrust.logger import Attachment, start_span
from braintrust.span_types import SpanTypeAttribute
from braintrust.util import clean_nones
Expand DownExpand Up@@ -114,16 +118,11 @@ def _serialize_content_item(item: Any) -> Any:

 # Ensure data is bytes
 if isinstance(data, bytes):
 # Determine file extension from mime type
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"

 # Create an Attachment object
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return the attachment object in image_url format
 # The SDK's _extract_attachments will replace it with its reference when logging
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Try to use built-in serialization if available
 if hasattr(item, "model_dump"):
Expand DownExpand Up@@ -156,21 +155,6 @@ def _serialize_tools(api_client: Any, input: Any | None) -> Any | None:
 return None


def _attachment_from_base64_data(data: str, mime_type: str, *, label: str) -> Attachment | None:
 raw_data = data
 if raw_data.startswith("data:"):
 _, _, encoded = raw_data.partition(",")
 raw_data = encoded

 try:
 decoded = base64.b64decode(raw_data, validate=True)
 except (ValueError, binascii.Error):
 return None

 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 return Attachment(data=decoded, filename=f"{label}.{extension}", content_type=mime_type)


def _serialize_interaction_content_dict(value: dict[str, Any]) -> dict[str, Any]:
 serialized = {key: _serialize_interaction_value(val) for key, val in value.items() if val is not None}

Expand DownExpand Up@@ -402,10 +386,12 @@ def _extract_generate_images_output(response: Any) -> dict[str, Any]:
 # Convert image bytes to an Attachment so the SDK uploads them to
 # object storage and the Braintrust UI can render the image.
 if isinstance(image_bytes, bytes) and mime_type:
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"generated_image_{i}.{extension}"
 attachment = Attachment(data=image_bytes, filename=filename, content_type=mime_type)
 image_entry["image_url"] = {"url": attachment}
 attachment = _attachment_from_bytes(
 image_bytes,
 mime_type,
 filename=_attachment_filename_for_mime_type(mime_type, prefix=f"generated_image_{i}"),
 )
 image_entry.update(_image_url_payload(attachment))

 serialized_images.append(image_entry)

Expand Down

194 changes: 194 additions & 0 deletions
py/src/braintrust/integrations/openai/cassettes/test_openai_images_edit.yaml

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Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

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Apr 10, 2026
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feat(openai): trace images api calls
#245
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9 changes: 4 additions & 5 deletions
py/src/braintrust/integrations/adk/tracing.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,8 @@
from typing import Any, cast

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.logger import Attachment, start_span
from braintrust.integrations.utils import _attachment_from_bytes, _image_url_payload
from braintrust.logger import start_span
from braintrust.span_types import SpanTypeAttribute


Expand DownExpand Up@@ -59,12 +60,10 @@ def _serialize_part(part: Any) -> Any:

 # Convert bytes to Attachment
 if isinstance(data, bytes):
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return in image_url format - SDK will replace with AttachmentReference
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Handle Part objects with file_data (file references)
 if hasattr(part, "file_data") and part.file_data:
Expand Down

25 changes: 11 additions & 14 deletions
py/src/braintrust/integrations/anthropic/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
import base64
import logging
import time
import warnings

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.anthropic._utils import Wrapper, extract_anthropic_usage
from braintrust.logger import Attachment, log_exc_info_to_span, start_span
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _image_url_payload,
)
from braintrust.logger import log_exc_info_to_span, start_span


log = logging.getLogger(__name__)
Expand DownExpand Up@@ -410,10 +414,8 @@ def _start_batch_results_span(args, kwargs):


def _attachment_filename_for_media_type(media_type: str, block_type: str) -> str:
 extension = media_type.split("/", 1)[1] if "/" in media_type else "bin"
 extension = extension.split("+", 1)[0]
 prefix = "image" if block_type == "image" else "document"
 return f"{prefix}.{extension}"
 return _attachment_filename_for_mime_type(media_type, prefix=prefix)


def _convert_base64_source_to_attachment(block_type, source):
Expand All@@ -427,15 +429,10 @@ def _convert_base64_source_to_attachment(block_type, source):
 if not isinstance(media_type, str) or not isinstance(data, str):
 return None

 try:
 binary_data = base64.b64decode(data, validate=True)
 except Exception:
 return None

 return Attachment(
 data=binary_data,
 return _attachment_from_base64_data(
 data,
 media_type,
 filename=_attachment_filename_for_media_type(media_type, block_type),
 content_type=media_type,
 )


Expand All@@ -452,7 +449,7 @@ def _process_input_attachments(value):
 if attachment is not None:
 processed = {k: _process_input_attachments(v) for k, v in value.items() if k != "source"}
 processed["source"] = {k: _process_input_attachments(v) for k, v in source.items() if k != "data"}
 processed["image_url"] = {"url": attachment}
 processed.update(_image_url_payload(attachment))
 return processed

 return {k: _process_input_attachments(v) for k, v in value.items()}
Expand Down

42 changes: 14 additions & 28 deletions
py/src/braintrust/integrations/google_genai/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,5 @@
"""Google GenAI-specific span creation, metadata extraction, stream handling, and output normalization."""

import base64
import binascii
import contextvars
import dataclasses
import logging
Expand All@@ -12,6 +10,12 @@
from typing import TYPE_CHECKING, Any

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _attachment_from_bytes,
 _image_url_payload,
)
from braintrust.logger import Attachment, start_span
from braintrust.span_types import SpanTypeAttribute
from braintrust.util import clean_nones
Expand DownExpand Up@@ -114,16 +118,11 @@ def _serialize_content_item(item: Any) -> Any:

 # Ensure data is bytes
 if isinstance(data, bytes):
 # Determine file extension from mime type
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"

 # Create an Attachment object
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return the attachment object in image_url format
 # The SDK's _extract_attachments will replace it with its reference when logging
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Try to use built-in serialization if available
 if hasattr(item, "model_dump"):
Expand DownExpand Up@@ -156,21 +155,6 @@ def _serialize_tools(api_client: Any, input: Any | None) -> Any | None:
 return None


def _attachment_from_base64_data(data: str, mime_type: str, *, label: str) -> Attachment | None:
 raw_data = data
 if raw_data.startswith("data:"):
 _, _, encoded = raw_data.partition(",")
 raw_data = encoded

 try:
 decoded = base64.b64decode(raw_data, validate=True)
 except (ValueError, binascii.Error):
 return None

 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 return Attachment(data=decoded, filename=f"{label}.{extension}", content_type=mime_type)


def _serialize_interaction_content_dict(value: dict[str, Any]) -> dict[str, Any]:
 serialized = {key: _serialize_interaction_value(val) for key, val in value.items() if val is not None}

Expand DownExpand Up@@ -402,10 +386,12 @@ def _extract_generate_images_output(response: Any) -> dict[str, Any]:
 # Convert image bytes to an Attachment so the SDK uploads them to
 # object storage and the Braintrust UI can render the image.
 if isinstance(image_bytes, bytes) and mime_type:
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"generated_image_{i}.{extension}"
 attachment = Attachment(data=image_bytes, filename=filename, content_type=mime_type)
 image_entry["image_url"] = {"url": attachment}
 attachment = _attachment_from_bytes(
 image_bytes,
 mime_type,
 filename=_attachment_filename_for_mime_type(mime_type, prefix=f"generated_image_{i}"),
 )
 image_entry.update(_image_url_payload(attachment))

 serialized_images.append(image_entry)

Expand Down

194 changes: 194 additions & 0 deletions
py/src/braintrust/integrations/openai/cassettes/test_openai_images_edit.yaml

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Abhijeet Prasad (AbhiPrasad)
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Apr 10, 2026
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feat(openai): trace images api calls
#245
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9 changes: 4 additions & 5 deletions
py/src/braintrust/integrations/adk/tracing.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,8 @@
from typing import Any, cast

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.logger import Attachment, start_span
from braintrust.integrations.utils import _attachment_from_bytes, _image_url_payload
from braintrust.logger import start_span
from braintrust.span_types import SpanTypeAttribute


Expand DownExpand Up@@ -59,12 +60,10 @@ def _serialize_part(part: Any) -> Any:

 # Convert bytes to Attachment
 if isinstance(data, bytes):
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return in image_url format - SDK will replace with AttachmentReference
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Handle Part objects with file_data (file references)
 if hasattr(part, "file_data") and part.file_data:
Expand Down

25 changes: 11 additions & 14 deletions
py/src/braintrust/integrations/anthropic/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
import base64
import logging
import time
import warnings

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.anthropic._utils import Wrapper, extract_anthropic_usage
from braintrust.logger import Attachment, log_exc_info_to_span, start_span
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _image_url_payload,
)
from braintrust.logger import log_exc_info_to_span, start_span


log = logging.getLogger(__name__)
Expand DownExpand Up@@ -410,10 +414,8 @@ def _start_batch_results_span(args, kwargs):


def _attachment_filename_for_media_type(media_type: str, block_type: str) -> str:
 extension = media_type.split("/", 1)[1] if "/" in media_type else "bin"
 extension = extension.split("+", 1)[0]
 prefix = "image" if block_type == "image" else "document"
 return f"{prefix}.{extension}"
 return _attachment_filename_for_mime_type(media_type, prefix=prefix)


def _convert_base64_source_to_attachment(block_type, source):
Expand All@@ -427,15 +429,10 @@ def _convert_base64_source_to_attachment(block_type, source):
 if not isinstance(media_type, str) or not isinstance(data, str):
 return None

 try:
 binary_data = base64.b64decode(data, validate=True)
 except Exception:
 return None

 return Attachment(
 data=binary_data,
 return _attachment_from_base64_data(
 data,
 media_type,
 filename=_attachment_filename_for_media_type(media_type, block_type),
 content_type=media_type,
 )


Expand All@@ -452,7 +449,7 @@ def _process_input_attachments(value):
 if attachment is not None:
 processed = {k: _process_input_attachments(v) for k, v in value.items() if k != "source"}
 processed["source"] = {k: _process_input_attachments(v) for k, v in source.items() if k != "data"}
 processed["image_url"] = {"url": attachment}
 processed.update(_image_url_payload(attachment))
 return processed

 return {k: _process_input_attachments(v) for k, v in value.items()}
Expand Down

42 changes: 14 additions & 28 deletions
py/src/braintrust/integrations/google_genai/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,5 @@
"""Google GenAI-specific span creation, metadata extraction, stream handling, and output normalization."""

import base64
import binascii
import contextvars
import dataclasses
import logging
Expand All@@ -12,6 +10,12 @@
from typing import TYPE_CHECKING, Any

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _attachment_from_bytes,
 _image_url_payload,
)
from braintrust.logger import Attachment, start_span
from braintrust.span_types import SpanTypeAttribute
from braintrust.util import clean_nones
Expand DownExpand Up@@ -114,16 +118,11 @@ def _serialize_content_item(item: Any) -> Any:

 # Ensure data is bytes
 if isinstance(data, bytes):
 # Determine file extension from mime type
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"

 # Create an Attachment object
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return the attachment object in image_url format
 # The SDK's _extract_attachments will replace it with its reference when logging
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Try to use built-in serialization if available
 if hasattr(item, "model_dump"):
Expand DownExpand Up@@ -156,21 +155,6 @@ def _serialize_tools(api_client: Any, input: Any | None) -> Any | None:
 return None


def _attachment_from_base64_data(data: str, mime_type: str, *, label: str) -> Attachment | None:
 raw_data = data
 if raw_data.startswith("data:"):
 _, _, encoded = raw_data.partition(",")
 raw_data = encoded

 try:
 decoded = base64.b64decode(raw_data, validate=True)
 except (ValueError, binascii.Error):
 return None

 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 return Attachment(data=decoded, filename=f"{label}.{extension}", content_type=mime_type)


def _serialize_interaction_content_dict(value: dict[str, Any]) -> dict[str, Any]:
 serialized = {key: _serialize_interaction_value(val) for key, val in value.items() if val is not None}

Expand DownExpand Up@@ -402,10 +386,12 @@ def _extract_generate_images_output(response: Any) -> dict[str, Any]:
 # Convert image bytes to an Attachment so the SDK uploads them to
 # object storage and the Braintrust UI can render the image.
 if isinstance(image_bytes, bytes) and mime_type:
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"generated_image_{i}.{extension}"
 attachment = Attachment(data=image_bytes, filename=filename, content_type=mime_type)
 image_entry["image_url"] = {"url": attachment}
 attachment = _attachment_from_bytes(
 image_bytes,
 mime_type,
 filename=_attachment_filename_for_mime_type(mime_type, prefix=f"generated_image_{i}"),
 )
 image_entry.update(_image_url_payload(attachment))

 serialized_images.append(image_entry)

Expand Down

194 changes: 194 additions & 0 deletions
py/src/braintrust/integrations/openai/cassettes/test_openai_images_edit.yaml

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Abhijeet Prasad (AbhiPrasad)
merged 1 commit into

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Apr 10, 2026
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feat(openai): trace images api calls
#245
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9 changes: 4 additions & 5 deletions
py/src/braintrust/integrations/adk/tracing.py

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Original file line numberDiff line numberDiff line change
Expand Up@@ -9,7 +9,8 @@
from typing import Any, cast

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.logger import Attachment, start_span
from braintrust.integrations.utils import _attachment_from_bytes, _image_url_payload
from braintrust.logger import start_span
from braintrust.span_types import SpanTypeAttribute


Expand DownExpand Up@@ -59,12 +60,10 @@ def _serialize_part(part: Any) -> Any:

 # Convert bytes to Attachment
 if isinstance(data, bytes):
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return in image_url format - SDK will replace with AttachmentReference
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Handle Part objects with file_data (file references)
 if hasattr(part, "file_data") and part.file_data:
Expand Down

25 changes: 11 additions & 14 deletions
py/src/braintrust/integrations/anthropic/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,11 +1,15 @@
import base64
import logging
import time
import warnings

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.anthropic._utils import Wrapper, extract_anthropic_usage
from braintrust.logger import Attachment, log_exc_info_to_span, start_span
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _image_url_payload,
)
from braintrust.logger import log_exc_info_to_span, start_span


log = logging.getLogger(__name__)
Expand DownExpand Up@@ -410,10 +414,8 @@ def _start_batch_results_span(args, kwargs):


def _attachment_filename_for_media_type(media_type: str, block_type: str) -> str:
 extension = media_type.split("/", 1)[1] if "/" in media_type else "bin"
 extension = extension.split("+", 1)[0]
 prefix = "image" if block_type == "image" else "document"
 return f"{prefix}.{extension}"
 return _attachment_filename_for_mime_type(media_type, prefix=prefix)


def _convert_base64_source_to_attachment(block_type, source):
Expand All@@ -427,15 +429,10 @@ def _convert_base64_source_to_attachment(block_type, source):
 if not isinstance(media_type, str) or not isinstance(data, str):
 return None

 try:
 binary_data = base64.b64decode(data, validate=True)
 except Exception:
 return None

 return Attachment(
 data=binary_data,
 return _attachment_from_base64_data(
 data,
 media_type,
 filename=_attachment_filename_for_media_type(media_type, block_type),
 content_type=media_type,
 )


Expand All@@ -452,7 +449,7 @@ def _process_input_attachments(value):
 if attachment is not None:
 processed = {k: _process_input_attachments(v) for k, v in value.items() if k != "source"}
 processed["source"] = {k: _process_input_attachments(v) for k, v in source.items() if k != "data"}
 processed["image_url"] = {"url": attachment}
 processed.update(_image_url_payload(attachment))
 return processed

 return {k: _process_input_attachments(v) for k, v in value.items()}
Expand Down

42 changes: 14 additions & 28 deletions
py/src/braintrust/integrations/google_genai/tracing.py

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Original file line numberDiff line numberDiff line change
@@ -1,7 +1,5 @@
"""Google GenAI-specific span creation, metadata extraction, stream handling, and output normalization."""

import base64
import binascii
import contextvars
import dataclasses
import logging
Expand All@@ -12,6 +10,12 @@
from typing import TYPE_CHECKING, Any

from braintrust.bt_json import bt_safe_deep_copy
from braintrust.integrations.utils import (
 _attachment_filename_for_mime_type,
 _attachment_from_base64_data,
 _attachment_from_bytes,
 _image_url_payload,
)
from braintrust.logger import Attachment, start_span
from braintrust.span_types import SpanTypeAttribute
from braintrust.util import clean_nones
Expand DownExpand Up@@ -114,16 +118,11 @@ def _serialize_content_item(item: Any) -> Any:

 # Ensure data is bytes
 if isinstance(data, bytes):
 # Determine file extension from mime type
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"file.{extension}"

 # Create an Attachment object
 attachment = Attachment(data=data, filename=filename, content_type=mime_type)
 attachment = _attachment_from_bytes(data, mime_type)

 # Return the attachment object in image_url format
 # The SDK's _extract_attachments will replace it with its reference when logging
 return {"image_url": {"url": attachment}}
 return _image_url_payload(attachment)

 # Try to use built-in serialization if available
 if hasattr(item, "model_dump"):
Expand DownExpand Up@@ -156,21 +155,6 @@ def _serialize_tools(api_client: Any, input: Any | None) -> Any | None:
 return None


def _attachment_from_base64_data(data: str, mime_type: str, *, label: str) -> Attachment | None:
 raw_data = data
 if raw_data.startswith("data:"):
 _, _, encoded = raw_data.partition(",")
 raw_data = encoded

 try:
 decoded = base64.b64decode(raw_data, validate=True)
 except (ValueError, binascii.Error):
 return None

 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 return Attachment(data=decoded, filename=f"{label}.{extension}", content_type=mime_type)


def _serialize_interaction_content_dict(value: dict[str, Any]) -> dict[str, Any]:
 serialized = {key: _serialize_interaction_value(val) for key, val in value.items() if val is not None}

Expand DownExpand Up@@ -402,10 +386,12 @@ def _extract_generate_images_output(response: Any) -> dict[str, Any]:
 # Convert image bytes to an Attachment so the SDK uploads them to
 # object storage and the Braintrust UI can render the image.
 if isinstance(image_bytes, bytes) and mime_type:
 extension = mime_type.split("/")[1] if "/" in mime_type else "bin"
 filename = f"generated_image_{i}.{extension}"
 attachment = Attachment(data=image_bytes, filename=filename, content_type=mime_type)
 image_entry["image_url"] = {"url": attachment}
 attachment = _attachment_from_bytes(
 image_bytes,
 mime_type,
 filename=_attachment_filename_for_mime_type(mime_type, prefix=f"generated_image_{i}"),
 )
 image_entry.update(_image_url_payload(attachment))

 serialized_images.append(image_entry)

Expand Down

194 changes: 194 additions & 0 deletions
py/src/braintrust/integrations/openai/cassettes/test_openai_images_edit.yaml

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Original file line numberDiff line numberDiff line change
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