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Cache Image.format for better throughput #8842

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Merged
merged 3 commits into from
Sep 22, 2025
Merged

Cache Image.format for better throughput #8842

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3c62c37
cache adapter methods for better throuput
TomeHirata Sep 22, 2025
d6548a4
cache image type
TomeHirata Sep 22, 2025
6c48027
revert base adapter change
TomeHirata Sep 22, 2025
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2 changes: 2 additions & 0 deletions dspy/adapters/types/image.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
import mimetypes
import os
import warnings
from functools import lru_cache
from typing import Any, Union
from urllib.parse import urlparse

Expand Down Expand Up @@ -65,6 +66,7 @@ def __init__(self, url: Any = None, *, download: bool = False, **data):
# Delegate the rest of initialization to pydantic's BaseModel.
super().__init__(**data)

@lru_cache(maxsize=32)
def format(self) -> list[dict[str, Any]] | str:
try:
image_url = encode_image(self.url)
Expand Down