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Removed extra stuff
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src/main.py

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from langchain.chat_models import ChatOpenAI
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from langchain.prompts.chat import (
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ChatPromptTemplate,
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SystemMessagePromptTemplate,
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HumanMessagePromptTemplate,
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)
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from langchain.chains import LLMChain
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from langchain.schema import BaseOutputParser
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# my first langchain
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chat_model = ChatOpenAI()
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print(chat_model.predict("hi!"))
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# create templates
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system_template = """You are a helpful assistant who generates comma separated lists.
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A user will pass in a category, and you should generated 5 objects in that category in a comma separated list.
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ONLY return a comma separated list, and nothing more."""
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system_message_prompt = SystemMessagePromptTemplate.from_template(system_template)
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human_template = "{text}"
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human_message_prompt = HumanMessagePromptTemplate.from_template(human_template)
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# create full prompt
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chat_prompt = ChatPromptTemplate.from_messages(
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[system_message_prompt, human_message_prompt])
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# process output
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class CommaSeparatedListOutputParser(BaseOutputParser):
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"""Parse the output of an LLM call to a comma-separated list."""
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def parse(self, text: str):
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"""Parse the output of an LLM call."""
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return text.strip().split(", ")
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# build a chain
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chain = LLMChain(
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llm=ChatOpenAI(),
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prompt=chat_prompt,
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output_parser=CommaSeparatedListOutputParser()
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)
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print(chain.run("colors"))

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