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import os | |
import pandas as pd | |
import gradio as gr | |
from openai import OpenAI | |
# 初始化 OpenAI 客户端 | |
client = OpenAI( | |
api_key=os.getenv("DEEPSEEK_API_KEY"), | |
base_url="https://api.deepseek.com" | |
) | |
def read_csv_prefix(file, n_lines=128): | |
"""读取 CSV 文件的前 n 行并提取统一前缀""" | |
df = pd.read_csv(file.name) | |
if 'prompt' in df.columns: | |
return df['prompt'].head(n_lines).tolist() | |
else: | |
raise ValueError("CSV 文件中没有 'prompt' 列") | |
def generate_prompts(user_input, csv_prompts, prefix, num_examples=3, language='English'): | |
"""基于用户输入和 CSV 提示生成多个新提示词""" | |
# 构建系统提示 | |
system_prompt = ( | |
f"你是一位自然诗人,请将以下内容转化为{'英文' if language == 'English' else '中文'}的风景描写。" | |
"请确保风格与提供的 CSV 中的描述一致,并以统一前缀 '{prefix}' 开头。" | |
"请生成 {num_examples} 条不同风格的结果,每条结果应独立成段。" | |
) | |
# 拼接用户输入和 CSV 内容 | |
user_content = f"转换以下内容:\n{user_input}\n\n参考示例:\n" + "\n".join(csv_prompts[:5]) | |
response = client.chat.completions.create( | |
model="deepseek-chat", | |
messages=[ | |
{"role": "system", "content": system_prompt.format(prefix=prefix, num_examples=num_examples)}, | |
{"role": "user", "content": user_content} | |
], | |
temperature=0.7, | |
max_tokens=300 * num_examples | |
) | |
# 将模型输出按换行分割为多个提示词 | |
raw_output = response.choices[0].message.content.strip() | |
prompts = [line.strip() for line in raw_output.split('\n') if line.strip()] | |
# 取前 num_examples 个有效结果 | |
prompts = prompts[:num_examples] | |
# 处理后文本:每行以指定前缀开头 | |
processed_prompts = [f"{prefix} {p}" if not p.startswith(prefix) else p for p in prompts] | |
processed_text = "\n".join(processed_prompts) | |
return "\n\n".join(prompts), processed_text | |
# Gradio 界面定义 | |
with gr.Blocks(title="提示词生成器", theme=gr.themes.Soft()) as app: | |
gr.Markdown("## 🎨 基于 CSV 的提示词生成器") | |
with gr.Row(): | |
with gr.Column(): | |
input_text = gr.Textbox( | |
label="输入文本", | |
placeholder="例如:森林里的阳光透过树叶洒落...", | |
lines=5 | |
) | |
csv_file = gr.File(label=".csv 文件", file_types=[".csv"]) | |
line_count = gr.Number(label="读取行数", value=128, minimum=1, maximum=10000) | |
prefix_input = gr.Textbox(label="提示词前缀", value="In the style of anime landscape,", lines=1) | |
num_examples = gr.Number(label="生成示例数量", value=3, minimum=1, maximum=10) | |
language_choice = gr.Radio(choices=["English", "Chinese"], label="输出语言", value="English") | |
btn = gr.Button("生成提示词", variant="primary") | |
with gr.Column(): | |
output_text = gr.Textbox( | |
label="生成的提示词", | |
lines=8, | |
interactive=False | |
) | |
processed_text = gr.Textbox( | |
label="处理后文本(每行以指定前缀开头)", | |
lines=8, | |
interactive=False | |
) | |
# 示例数据 | |
examples = gr.Examples( | |
examples=[ | |
["清晨的阳光洒在湖面上"], | |
["夜晚的城市灯火璀璨"] | |
], | |
inputs=[input_text], | |
label="点击试试示例" | |
) | |
# 事件绑定 | |
btn.click( | |
fn=lambda text, file, lines, prefix, num, lang: generate_prompts(text, read_csv_prefix(file, lines), prefix, int(num), lang), | |
inputs=[input_text, csv_file, line_count, prefix_input, num_examples, language_choice], | |
outputs=[output_text, processed_text] | |
) | |
app.launch(share=True) |