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Check base64 image validation #1615

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AllentDan
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@lvhan028
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Please check why the UT failed

@AllentDan
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Please check why the UT failed

Fixed in #1617

Comment on lines 37 to 41
img = load_image_from_base64(image_url.split(',')[1])
try:
img.load()
except Exception as e:
raise ValueError('invalid base64 image') from e
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load_image_from_base64 这个函数可能会直接抛异常,比如文件头部信息就缺失了。
img = load_image_from_base64('/9j/')

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一起捕获了

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这里抛异常好呢,还是给个 error msg 然后返回一个空白的图片好呢?

另外这里在下面检查图片完整性比较好,img = Image.open(BytesIO(response.content)), img = Image.open(image_url) 都可能遇到不完整的图片,后面做 img.convert('RGB')的时候就会有问题。

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@AllentDan AllentDan May 21, 2024

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最理想是服务最开始就做 request 的合法性检验,但是图片的信息好像不太好提取(或者重复提取)。pipeline 感觉可以直接抛异常吧。
@lvhan028 有什么建议吗

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抛异常不太好,会让服务crash。
建议返回错误码和错误信息

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@AllentDan AllentDan May 22, 2024

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抛异常不太好,会让服务crash。 建议返回错误码和错误信息

异常倒并不会让服务 crash。但是不抛异常,如果让它就继续跑,会让 pipeline 卡住。或者用 @irexyc 的想法,新建一个假图,然后报个 error

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发现错误,不能直接返回么?

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直接返回 None 吗?现在这部分的调用栈比较深了,耦合在 generate 里面,generate 返回的是迭代器。

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最理想是服务最开始就做 request 的合法性检验,但是图片的信息好像不太好提取(或者重复提取)。pipeline 感觉可以直接抛异常吧。 @lvhan028 有什么建议吗

不好在接口处中加判断是么?参数合法性校验,应该发生在收到输入的时候

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不好在接口处中加判断是么?参数合法性校验,应该发生在收到输入的时候

接口处加需要走一遍读图的逻辑。要么就把处理图片 prompt 逻辑放到 generate 外面,不然要读图两次

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