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Upload app.py
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app.py
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from transformers import pipeline
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from transformers import AutoModelForCausalLM, AutoTokenizer
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import torch
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from langchain import OpenAI, PromptTemplate, LLMChain
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from langchain.text_splitter import CharacterTextSplitter
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from langchain.chains.mapreduce import MapReduceChain
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from langchain.prompts import PromptTemplate
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from langchain.chains.summarize import map_reduce_prompt, refine_prompts, stuff_prompt
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# from langchain.chains import LLMChain
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from langchain.chains.summarize import load_summarize_chain
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from langchain.docstore.document import Document
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from langchain.llms import HuggingFacePipeline
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from transformers import LlamaTokenizer, LlamaForCausalLM
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import gradio as gr
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print("Loading Pipeline Dolly...")
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# print("Loading Pipeline...", str(File.name))
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tokenizer = AutoTokenizer.from_pretrained("databricks/dolly-v2-3b", padding_side="left")
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base_model = AutoModelForCausalLM.from_pretrained("databricks/dolly-v2-3b", device_map="auto", trust_remote_code=True, torch_dtype=torch.bfloat16)
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instruct_pipeline = pipeline(
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"text-generation",
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model=base_model,
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tokenizer=tokenizer,
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max_length=2048,
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temperature=0.6,
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pad_token_id=tokenizer.eos_token_id,
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top_p=0.95,
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repetition_penalty=1.2
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)
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# instruct_pipeline = pipeline(model="databricks/dolly-v2-3b", torch_dtype=torch.bfloat16, trust_remote_code=True, device_map="auto")
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# print(instruct_pipeline)
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print("Dolly Pipeline Loaded!")
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llm_dolly = HuggingFacePipeline(pipeline=instruct_pipeline)
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print("Loading Pipeline Alpaca...")
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tokenizer_alpaca = LlamaTokenizer.from_pretrained('minlik/chinese-alpaca-plus-7b-merged')
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model_alpaca = LlamaForCausalLM.from_pretrained('minlik/chinese-alpaca-plus-7b-merged')
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instruct_pipeline_alpaca = pipeline(
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"text-generation",
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model=model_alpaca,
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tokenizer=tokenizer_alpaca,
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max_length=1024,
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temperature=0.6,
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pad_token_id=tokenizer_alpaca.eos_token_id,
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top_p=0.95,
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repetition_penalty=1.2,
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device_map= "auto"
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)
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print("Pipeline Loaded Alpaca!")
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llm_alpaca = HuggingFacePipeline(pipeline=instruct_pipeline_alpaca)
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def summarize(Model, File, Input_text):
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prompt_template = """Write a concise summary of the following:
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{text}
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Summary in English:
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"""
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PROMPT = PromptTemplate(template=prompt_template, input_variables=["text"])
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text_splitter = CharacterTextSplitter()
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if File:
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with open(str(File.name)) as f:
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state_of_the_union = f.read()
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text = state_of_the_union
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else:
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text = Input_text
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print(text)
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texts = text_splitter.split_text(text)
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docs = [Document(page_content=t) for t in texts[:3]]
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print("Printing Docs-------")
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print(docs)
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print("-----------------\n\n")
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if Model=='Dolly':
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chain = load_summarize_chain(llm_dolly, chain_type="refine", question_prompt=PROMPT)
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else:
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chain = load_summarize_chain(llm_alpaca, chain_type="refine", question_prompt=PROMPT)
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summary_text = chain({"input_documents": docs}, return_only_outputs=True)
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print(summary_text["output_text"])
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return summary_text["output_text"]
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def greet(name):
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return "Hello " + name + "!"
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# with gr.Blocks() as demo:
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# a = gr.File()
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# gr.Interface(fn=summarize, inputs = [gr.inputs.Dropdown(["Dolly", "Alpaca"]), a , "text"], outputs="text", title="Summarization Tool")
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demo = gr.Interface(fn=summarize, inputs = [gr.inputs.Dropdown(["Dolly", "Alpaca"]),gr.inputs.File(label="Upload .txt file"), "text"], outputs="text", title="Summarization Tool")
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demo.queue().launch(share = True)
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