Gladiator/gradient_dissent_bot
7
1import os2from dataclasses import asdict3 4import pandas as pd5from langchain.callbacks import get_openai_callback6from langchain.chains.summarize import load_summarize_chain7from langchain.chat_models import ChatOpenAI8from langchain.document_loaders import DataFrameLoader9from langchain.prompts import PromptTemplate10from langchain.text_splitter import TokenTextSplitter11from tqdm import tqdm12from wandb.integration.langchain import WandbTracer13 14import wandb15from config import config16 17 18def get_data(artifact_name: str, total_episodes: int = None):19 podcast_artifact = wandb.use_artifact(artifact_name, type="dataset")20 podcast_artifact_dir = podcast_artifact.download(config.root_artifact_dir)21 filename = artifact_name.split(":")[0].split("/")[-1]22 df = pd.read_csv(os.path.join(podcast_artifact_dir, f"{filename}.csv"))23 if total_episodes is not None:24 df = df.iloc[:total_episodes]25 return df26 27 28def summarize_episode(episode_df: pd.DataFrame):29 # load docs into langchain format30 loader = DataFrameLoader(episode_df, page_content_column="transcript")31 data = loader.load()32 33 # split the documents34 text_splitter = TokenTextSplitter.from_tiktoken_encoder(chunk_size=1000, chunk_overlap=0)35 docs = text_splitter.split_documents(data)36 print(f"Number of documents for podcast {data[0].metadata['title']}: {len(docs)}")37 38 # initialize LLM39 llm = ChatOpenAI(model_name="gpt-3.5-turbo", temperature=0)40 41 # define map prompt42 map_prompt = """Write a concise summary of the following short transcript from a podcast.43 Don't add your opinions or interpretations.44 45 {text}46 47 CONCISE SUMMARY:"""48 49 # define combine prompt50 combine_prompt = """You have been provided with summaries of chunks of transcripts from a podcast.51 Your task is to merge these intermediate summaries to create a brief and comprehensive summary of the entire podcast.52 The summary should encompass all the crucial points of the podcast.53 Ensure that the summary is atleast 2 paragraph long and effectively captures the essence of the podcast.54 {text}55 56 SUMMARY:"""57 58 map_prompt_template = PromptTemplate(template=map_prompt, input_variables=["text"])59 combine_prompt_template = PromptTemplate(template=combine_prompt, input_variables=["text"])60 61 # initialize the summarizer chain62 chain = load_summarize_chain(63 llm,64 chain_type="map_reduce",65 return_intermediate_steps=True,66 map_prompt=map_prompt_template,67 combine_prompt=combine_prompt_template,68 )69 70 summary = chain({"input_documents": docs})71 return summary72 73 74if __name__ == "__main__":75 # initialize wandb tracer76 WandbTracer.init(77 {78 "project": config.project_name,79 "job_type": "summarize",80 "config": asdict(config),81 }82 )83 84 # get scraped data85 df = get_data(artifact_name=config.yt_podcast_data_artifact)86 87 summaries = []88 with get_openai_callback() as cb:89 for episode in tqdm(df.iterrows(), total=len(df), desc="Summarizing episodes"):90 episode_data = episode[1].to_frame().T91 92 summary = summarize_episode(episode_data)93 summaries.append(summary["output_text"])94 95 print("*" * 25)96 print(cb)97 print("*" * 25)98 99 wandb.log(100 {101 "total_prompt_tokens": cb.prompt_tokens,102 "total_completion_tokens": cb.completion_tokens,103 "total_tokens": cb.total_tokens,104 "total_cost": cb.total_cost,105 }106 )107 108 df["summary"] = summaries109 110 # save data111 path_to_save = os.path.join(config.root_data_dir, "summarized_podcasts.csv")112 df.to_csv(path_to_save, index=False)113 114 # log to wandb artifact115 artifact = wandb.Artifact("summarized_podcasts", type="dataset")116 artifact.add_file(path_to_save)117 wandb.log_artifact(artifact)118 119 # create wandb table120 table = wandb.Table(dataframe=df)121 wandb.log({"summarized_podcasts": table})122 123 WandbTracer.finish()124 