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Python: [Bug]: Media type detection documentation examples contain invalid base64

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@eavanvalkenburg 已经在做这个了。

开始于 2026年10月8日。

  • #9188 来自 @BlueRaddish —— 未关闭

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描述

agents python reproduced
Description

The public detect_media_type_from_base64 docstring includes two examples whose base64 payloads end in .... Executing either raises ValueError: Invalid base64 data provided. instead of returning the documented image/png value.

Minimal reproduction
from agent_framework import detect_media_type_from_base64

detect_media_type_from_base64(data_str="iVBORw0KGgo...")
detect_media_type_from_base64(data_uri="data:image/png;base64,iVBORw0KGgo...")

Each call fails independently. The detector validates base64 input, so abbreviated payloads cannot be executed as written.

Expected behavior and proposed fix

Use the valid base64-encoded PNG signature iVBORw0KGgo= in both documentation examples. The function identifies magic bytes, so those signature bytes are sufficient to demonstrate detection; they are not a complete image file. This is a documentation-only correction with no runtime or API changes.

Verification

Reproduced on Python 3.13.16 against main commit 40763bed1a5e94a1698ba9ebf009e5622eb099aa. Both code examples were extracted from the source docstring and executed locally. They fail before the correction and each returns image/png afterward. No model calls, credentials, or services were used.

I am preparing the focused documentation correction and checked for an existing overlapping issue or PR. Report and patch prepared with assistance from OpenAI Codex.

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