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import gradio as gr |
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import plotly.graph_objects as go |
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import random |
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import numpy as np |
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import requests |
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import os |
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from huggingface_hub import InferenceClient |
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HF_TOKEN = os.environ.get("HF_TOKEN") |
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client = InferenceClient(api_key=HF_TOKEN) |
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def generate_response(system_prompt, user_prompt): |
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temperature, top_p = random.uniform(0.6, 0.75), random.uniform(0.7, 1.0) |
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completion = client.chat.completions.create( |
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model="mistralai/Mistral-Nemo-Instruct-2407", |
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messages=[{ |
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"role": "system", |
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"content": system_prompt |
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}, { |
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"role": "user", |
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"content": user_prompt |
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}], |
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temperature=temperature, |
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max_tokens=1024, |
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top_p=top_p, |
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) |
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return completion.choices[0].message.content |
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def generate_location_recommendations(user_prompt): |
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system_prompt = """ |
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你是一個專業的地點推薦助手,專門根據使用者的需求提供相關的知名景點或位置。當使用者詢問某個地點、旅遊目的或活動建議時,請根據指令找出適合的多個景點,並**務必滿足使用者的詢問需求**。回應需遵守以下規則: |
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1. **以條列式列出景點名稱**,每行一個景點名稱。 |
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2. **不要提供任何額外描述、編號或其他與地點無關的文字**,僅列出名稱即可。 |
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3. 提供的景點必須是**真實存在**的,而非虛構或杜撰的。 |
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3. 所有回應須使用**繁體中文**。 |
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4. **完全滿足**使用者的發問需求。 |
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### 回應格式範例: |
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``` |
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景點 1 |
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景點 2 |
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景點 3 |
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``` |
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請確保提供的景點與使用者查詢密切相關,並確認所有景點真實存在,且涵蓋足夠的選項以滿足使用者的需求。""" |
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completion = generate_response(system_prompt, user_prompt) |
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locations = [] |
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for loc in completion.split('\n'): |
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lat_lon = fetch_location_coordinates(loc) |
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locations.append(lat_lon) |
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locations = np.array([loc for loc in locations if loc[1] is not None]) |
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return user_prompt, locations |
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def generate_travel_summary(user_prompt, locations): |
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system_prompt = """ |
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你是一個專業且富有魅力的旅遊與地點推薦助手。你的任務是根據**使用者的原始提問**和提供的**景點或地點清單**,生成一段專業、豐富且引人入勝的結論。這段結論應讓使用者感到興奮、滿足或有所啟發,並進一步激發他們的興趣。 |
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請遵循以下指引: |
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1. **根據使用者的需求和目的**,適當總結景點或地點清單,並提供有趣的背景或亮點描述。 |
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2. **保持語氣專業且富有吸引力**,可以適度加入生動的形容詞,讓建議更具畫面感和感染力。 |
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3. **結尾可以提出鼓勵性或引導性的語句**,促使用者更期待他們的旅程或任務。 |
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4. **回應須使用繁體中文**,並保持流暢易讀。 |
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輸入格式: |
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使用者提問:「問題內容」 |
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景點清單: |
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``` |
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地點 1 |
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地點 2 |
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地點 3 |
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``` |
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輸出格式 (輸出內容**僅包含結論**,**無須重複**提問內容或其他無關的文字): |
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你的結論 |
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""" |
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user_prompt = f"""使用者提問:「{user_prompt}」 |
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景點清單: |
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``` |
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{locations} |
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```\n\n""" |
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completion = generate_response(system_prompt, user_prompt) |
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return completion |
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def fetch_location_coordinates(location): |
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location_response = requests.get( |
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f"https://nominatim.openstreetmap.org/search?q={location}&format=json&limit=1", |
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headers={ |
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8", |
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"Accept-Language": "zh-TW,zh;q=0.7", |
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"Cache-Control": "max-age=0", |
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"Priority": "u=0, i", |
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"Sec-Ch-Ua-Mobile": "?1", |
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"Sec-Ch-Ua-Platform": "\"Android\"", |
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"Sec-Fetch-Dest": "document", |
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"Sec-Fetch-Mode": "navigate", |
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"Sec-Fetch-Site": "none", |
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"Sec-Fetch-User": "?1", |
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"Sec-Gpc": "1", |
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"Upgrade-Insecure-Requests": "1", |
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"User-Agent": "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36^" |
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} |
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) |
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if location_response.status_code == 200 and len(location_response.json()) > 0: |
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loc = location_response.json()[0] |
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loc = [location, float(loc['lat']), float(loc['lon'])] |
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return loc |
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else: |
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return [location, None, None] |
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def plot_locations(locations): |
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if len(locations) == 0: |
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return "No locations found. Please try another query." |
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names = locations[:, 0] |
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lats = locations[:, 1].astype(float) |
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lons = locations[:, 2].astype(float) |
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fig = go.Figure(go.Scattermapbox( |
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lat=lats, |
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lon=lons, |
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mode='markers', |
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marker=go.scattermapbox.Marker(size=14, color='red'), |
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text=names, |
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hoverinfo="text" |
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)) |
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fig.update_layout( |
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mapbox_style="open-street-map", |
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mapbox=dict( |
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center=go.layout.mapbox.Center( |
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lat=23.905987823498418, |
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lon=121.08291334460809 |
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), |
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zoom=6 |
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), |
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margin={"r": 0, "t": 0, "l": 0, "b": 0} |
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) |
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return fig |
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def handle_user_request(text): |
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suggestions = generate_location_recommendations(text) |
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if len(suggestions[1]) > 0: |
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output = generate_travel_summary(suggestions[0], "\n".join(suggestions[1][:, 0])) |
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map_figure = plot_locations(suggestions[1]) |
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return output, map_figure |
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else: |
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return "No locations found for the given input. Please try another query.", "No locations found." |
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with gr.Blocks() as app: |
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gr.Markdown("# 🌏 ChatMap: Your AI-Powered Map Companion 🌏") |
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with gr.Row(): |
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text_input = gr.Textbox(label="Tell me your command", value="我要去宜蘭玩,請推薦我至少5個熱門景點") |
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submit_btn = gr.Button("Generate") |
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output_summary = gr.Textbox(label="Here’s what I’ve mapped out for you", interactive=False) |
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map_display = gr.Plot(label="Visualizing your journey on the map") |
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submit_btn.click(handle_user_request, inputs=text_input, outputs=[output_summary, map_display]) |
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app.launch() |