Delete Test/app.py
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Test/app.py
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import gradio as gr
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import fitz # PyMuPDF
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from transformers import pipeline
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import textwrap
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# Load summarization model
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summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
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# Extract text from PDF
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def extract_text_from_pdf(file_obj):
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text = ""
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with fitz.open(stream=file_obj.read(), filetype="pdf") as doc:
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for page in doc:
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text += page.get_text()
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return text.strip().replace("\n", " ")
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# Chunk long text into manageable sizes
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def chunk_text(text, max_chunk_len=1000):
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return textwrap.wrap(text, max_chunk_len)
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# Summarize long PDFs by chunking
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def summarize_long_pdf(file_obj):
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full_text = extract_text_from_pdf(file_obj)
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if not full_text:
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return "❌ No readable text extracted from the PDF."
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chunks = chunk_text(full_text, max_chunk_len=1000)
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summaries = []
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for i, chunk in enumerate(chunks):
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try:
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summary = summarizer(chunk, max_length=120, min_length=30, do_sample=False)[0]['summary_text']
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summaries.append(f"🔹 Part {i+1}: {summary}")
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except Exception as e:
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summaries.append(f"⚠️ Error summarizing part {i+1}: {e}")
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return "\n\n".join(summaries)
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# Gradio UI
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gr.Interface(
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fn=summarize_long_pdf,
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inputs=gr.File(label="📥 Upload Multi-page PDF"),
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outputs=gr.Textbox(label="📝 Full Summary"),
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title="📘 Multi-Page PDF Summarizer",
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description="Upload long PDFs (e.g., Morningstar reports). Summarized in chunks using BART."
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).launch()
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