Prompt Engineering Outlines 使用示例

# 生产环境示例 在生产系统中利用 Outlines 进行结构化生成的真实世界案例。 ## 目录 - 数据提取 - 分类系统 - 表单处理 - 多实体提取 - 代码生成 - 批量处理 - 生产模式 ## 数据提取 ### 基础信息提取 python from pydantic import BaseModel, Field import outlines class PersonInfo(BaseModel): name: str = Field(description="全名") age: int = Field(ge=0, le=120) occupation: str email: str = Field(pattern=r"^[w.-]+@[w.-]+.w+$") location: str model = outlines.models.transformers("microsoft/Phi-3-mini-4k-instruct") generator = outlines.generate.json(model, PersonInfo) text = """ Dr. Sarah Johnson is a 42-year-old research scientist at MIT. She can be reached at [email protected] and currently lives in Cambridge, MA. """ prompt = f"Extract person information from:n{text}nnPerson:" person = generator(prompt) print(f"Name: {person.name}") print(f"Age: {person.age}") print(f"Occupation: {person.occupation}") print(f"Email: {person.email}") print(f"Location: {person.location}") ### 公司信息 python class CompanyInfo(BaseModel): name: str founded_year: int = Field(ge=1800, le=2025) industry: str headquarters: str employees: int = Field(gt=0) revenue: Optional[str] = None model = outlines.models.transformers("meta-llama/Llama-3.1-8B-Instruct") generator = outlines.generate.json(model, CompanyInfo) text = """ Tesla, Inc. was founded in 2003 and operates primarily in the automotive and energy industries. The company is headquartered in Austin, Texas, and employs approximately 140,000 people worldwide. """ company = generator(f"Extract company information:n{text}nnCompany:") print(f"Company: {company.name}") print(f"Founded: {company.founded_year}") print(f"Industry: {company.industry}") print(f"HQ: {company.headquarters}") print(f"Employees: {company.employees:,}") ### 产品规格 python class ProductSpec(BaseModel): name: str brand: str price: float = Field(gt=0) dimensions: str weight: str features: list[str] rating: Optional[float] = Field(None, ge=0, le=5) generator = outlines.generate.json(model, ProductSpec) text = """ The Apple iPhone 15 Pro is priced at $999. It measures 146.6 x 70.6 x 8.25 mm and weighs 187 grams. Key features include the A17 Pro chip, titanium design, action button, and USB