feat(新功能): 项目信息提取/生成接口

fix(修复bug):
docs(文档变更):
refactor(重构):
test(增加测试):
This commit is contained in:
zchengrong
2025-05-15 16:40:58 +08:00
parent e4141b9e65
commit 3a28a7e4b9
3 changed files with 62 additions and 48 deletions

View File

@@ -4,7 +4,7 @@ from fastapi import APIRouter, HTTPException
from app.schemas.project_info_extraction import ProjectInfoExtractionModel
from app.schemas.response_template import ResponseModel
from app.service.project_info_extraction.service_generate_brand_info import ProjectInfoExtraction
from app.service.project_info_extraction.service import ProjectInfoExtraction
router = APIRouter()
logger = logging.getLogger()

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@@ -0,0 +1,61 @@
from langchain.output_parsers import ResponseSchema, StructuredOutputParser
from langchain_community.chat_models import ChatTongyi
from langchain_core.prompts import PromptTemplate
from app.schemas.project_info_extraction import ProjectInfoExtractionModel
style = ['NEW_CHINESE', 'COUNTRY_STYLE', 'FUTURISM', 'MINIMALISM', 'LOLITA', 'Y2K', 'BUSINESS', 'MERLAD',
'OUTDOOR_FUNCTIONAL', 'ROCK', 'DOPAMINE', 'GOTHIC', 'POST_APOCALYPTIC', 'ROMANTIC', 'WABI_SABI']
position = ['Overall', 'Tops', 'Bottoms', 'Outwear', 'Blouse', 'Dress', 'Trousers', 'Skirt']
gender = ['Female', 'Male']
age_group = ['Adult', 'Child']
process = ['SERIES_DESIGN', 'SINGLE_DESIGN']
class ProjectInfoExtraction:
def __init__(self, request_data):
# llm generate brand info init
self.model = ChatTongyi(model="qwen2.5-14b-instruct", api_key="sk-7658298c6b99443c98184a5e634fe6ab")
self.response_schemas = [
ResponseSchema(name="project_name", description="项目的名称."),
ResponseSchema(name="process", description="项目的类型,单品还是系列."),
ResponseSchema(name="ageGroup", description="项目设计服装的受众对象."),
ResponseSchema(name="gender", description="项目设计服装的受众性别."),
ResponseSchema(name="position", description="项目单品设计的部位."),
ResponseSchema(name="style", description="项目的设计风格.")
]
self.output_parser = StructuredOutputParser.from_response_schemas(self.response_schemas)
self.format_instructions = self.output_parser.get_format_instructions()
self.prompt = PromptTemplate(
template="你是一个时装品牌的设计师助理。根据用户输入提取出"
"[project_name] : 项目的名称,"
f"[process] : 项目的类型,从{process}选择."
f"[ageGroup] : 服装的受众,从{age_group}选择."
f"[gender] : 服装的适用性别,从{gender}选择"
f"[position] : single_design的部位如果[process]是SINGLE_DESIGN,从{position}中选择,如果[process]是SERIES_DESIGN这项为空"
f"[style] : 设计的风格,从{style}中选择"
".\n{format_instructions}\n{question}",
input_variables=["question"],
partial_variables={"format_instructions": self.format_instructions}
)
self._input = self.prompt.format_prompt(question=request_data.prompt)
self.result_data = {}
def get_result(self):
self.llm_extraction_project_info()
return self.result_data
def llm_extraction_project_info(self):
output = self.model(self._input.to_messages())
project_info = self.output_parser.parse(output.content)
self.result_data = project_info
if __name__ == '__main__':
request_data = ProjectInfoExtractionModel(
prompt="海边派对主题的衬衫设计"
)
service = ProjectInfoExtraction(request_data)
print(service.get_result())

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@@ -1,47 +0,0 @@
from langchain.output_parsers import ResponseSchema, StructuredOutputParser
from langchain_community.chat_models import ChatTongyi
from langchain_core.prompts import PromptTemplate
from app.schemas.project_info_extraction import ProjectInfoExtractionModel
class ProjectInfoExtraction:
def __init__(self, request_data):
# llm generate brand info init
self.model = ChatTongyi(model="qwen2.5-14b-instruct", api_key="sk-7658298c6b99443c98184a5e634fe6ab")
self.response_schemas = [
ResponseSchema(name="project_name", description="project name."),
ResponseSchema(name="role", description="The target role of the project."),
ResponseSchema(name="gender", description="The gender targeted by the project."),
ResponseSchema(name="style", description="Project style.")
]
self.output_parser = StructuredOutputParser.from_response_schemas(self.response_schemas)
self.format_instructions = self.output_parser.get_format_instructions()
self.prompt = PromptTemplate(
template="你是一个时装品牌的设计师助理。根据用户输入提取出project_name,role ,gender ,style ."
"gender部分请用以下:menswear,womenswear,childrenwear,如果全部都适用即all."
"如果没有以上内容,需要你根据用户输入随意发挥.\n{format_instructions}\n{question}",
input_variables=["question"],
partial_variables={"format_instructions": self.format_instructions}
)
self._input = self.prompt.format_prompt(question=request_data.prompt)
self.result_data = {}
def get_result(self):
self.llm_extraction_project_info()
return self.result_data
def llm_extraction_project_info(self):
output = self.model(self._input.to_messages())
project_info = self.output_parser.parse(output.content)
self.result_data = project_info
if __name__ == '__main__':
request_data = ProjectInfoExtractionModel(
prompt="海边派对主题的系列设计"
)
service = ProjectInfoExtraction(request_data)
print(service.get_result())