图生图(传file)

curl --location 'https://api.wenwen-ai.com/v1beta/models/:generateContent' \
--header 'x-goog-api-key: sk-xxxx' \
--header 'Content-Type: application/json' \
--data '{
  "contents": [
    {
      "parts": [
        {
          "text": "把图片里小狗的毛色改成金黄色"
        },
        {
          "inline_data": {
            "mime_type": "image/png",
            "data": open(TEMP_B64).read().strip()   # 读入 base64
          }
        }
      ]
    }
  ]
}'