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Create app.py
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app.py
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| 1 |
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import gradio as gr
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from groq import Groq
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import base64
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import io
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from PIL import Image
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def encode_image(image):
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"""將 PIL Image 編碼為 base64 字符串"""
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buffered = io.BytesIO()
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image.save(buffered, format="JPEG")
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return base64.b64encode(buffered.getvalue()).decode("utf-8")
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def analyze_image(api_key, image, prompt, temperature=1, max_tokens=512):
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"""使用 Groq API 分析圖片"""
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try:
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# 檢查 API Key 是否為空
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if not api_key or api_key.strip() == "":
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return "錯誤:請輸入有效的 Groq API Key"
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# 檢查圖片是否上傳
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if image is None:
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return "錯誤:請上傳一張圖片"
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# 檢查 prompt 是否為空
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if not prompt or prompt.strip() == "":
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return "錯誤:請輸入分析提示文字"
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# 初始化 Groq 客戶端
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client = Groq(api_key=api_key.strip())
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# 編碼圖片
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base64_image = encode_image(image)
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image_content = {
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"type": "image_url",
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"image_url": {"url": f"data:image/jpeg;base64,{base64_image}"}
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}
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# 發送請求到 Groq API
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completion = client.chat.completions.create(
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model="meta-llama/llama-4-scout-17b-16e-instruct",
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messages=[{
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"role": "user",
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"content": [
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{
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"type": "text",
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"text": prompt
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},
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image_content
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]
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}],
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temperature=temperature,
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max_completion_tokens=max_tokens,
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top_p=1,
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stream=False,
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stop=None,
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)
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# 返回分析結果
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return completion.choices[0].message.content
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except Exception as e:
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return f"錯誤:{str(e)}"
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# 創建 Gradio 界面
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with gr.Blocks(title="Groq 圖片分析器", theme=gr.themes.Soft()) as demo:
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gr.Markdown(
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"""
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# 🔍 Groq 圖片分析器
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使用 Groq API 和 Llama-4-Scout 模型來分析圖片內容
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**使用說明:**
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1. 輸入您的 Groq API Key
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2. 上傳要分析的圖片
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3. 輸入分析提示文字
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4. 調整參數(可選)
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5. 點擊「分析圖片」按鈕
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"""
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)
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with gr.Row():
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with gr.Column(scale=1):
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# API Key 輸入
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api_key = gr.Textbox(
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label="Groq API Key",
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placeholder="輸入您的 Groq API Key (例: gsk_...)",
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type="password",
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info="您的 API Key 將被安全處理,不會被儲存"
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)
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# 圖片上傳
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image = gr.Image(
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label="上傳圖片",
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type="pil",
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format="jpeg"
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)
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# Prompt 輸入
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prompt = gr.Textbox(
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label="分析提示",
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placeholder="請描述您想要分析的內容...",
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lines=5,
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value="""幫我算出有幾個人和大象,同時說明
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這可能是什麼儀式?
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天氣和季節在某個時段?
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在什麼國家?"""
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)
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# 進階參數
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with gr.Accordion("進階設定", open=False):
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temperature = gr.Slider(
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label="Temperature (創意度)",
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minimum=0.1,
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maximum=2.0,
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value=1.0,
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step=0.1,
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info="數值越高,回答越有創意但可能不太準確"
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)
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max_tokens = gr.Slider(
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label="最大回應長度",
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minimum=100,
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maximum=2048,
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value=512,
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step=50,
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info="限制回應的最大字數"
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)
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# 分析按鈕
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analyze_btn = gr.Button(
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"🔍 分析圖片",
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variant="primary",
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size="lg"
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)
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with gr.Column(scale=1):
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# 分析結果輸出
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output = gr.Textbox(
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label="分析結果",
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lines=20,
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max_lines=30,
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show_copy_button=True,
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placeholder="分析結果將顯示在這裡..."
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)
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# 綁定事件
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analyze_btn.click(
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| 148 |
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fn=analyze_image,
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inputs=[api_key, image, prompt, temperature, max_tokens],
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| 150 |
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outputs=output
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)
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| 152 |
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| 153 |
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# 示例區域
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gr.Markdown(
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"""
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| 156 |
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## 💡 提示範例
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| 157 |
+
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| 158 |
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**分析人物和動物:**
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| 159 |
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- "請計算圖片中有多少人和動物,並描述他們在做什麼"
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| 160 |
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| 161 |
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**場景描述:**
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| 162 |
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- "描述這張圖片的場景,包括時間、地點、天氣狀況"
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| 163 |
+
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| 164 |
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**文化分析:**
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| 165 |
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- "這看起來像什麼文化��動或儀式?可能在哪個國家或地區?"
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| 166 |
+
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| 167 |
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**物體識別:**
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| 168 |
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- "識別圖片中的所有物體並說明它們的用途"
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| 169 |
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"""
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)
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| 172 |
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# 啟動應用
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| 173 |
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if __name__ == "__main__":
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| 174 |
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demo.launch(
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server_name="0.0.0.0",
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server_port=7860,
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| 177 |
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share=True,
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| 178 |
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debug=False
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| 179 |
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)
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