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Delete file_cleaning_ui.py
Browse files- file_cleaning_ui.py +0 -142
file_cleaning_ui.py
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#!/usr/bin/env python
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import os
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import re
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import tempfile
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from pathlib import Path
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import pdfplumber
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import docx
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import gradio as gr
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def clean_text_for_rag(text: str) -> str:
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"""Normalise et nettoie le texte pour un usage RAG."""
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# Normalisation des caractères typographiques
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text = re.sub(
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r"[’‘“”«»–—\u00A0\u202F…œŒæÆ©®™§°±×÷]",
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lambda m: {
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"’": "'", "‘": "'", "“": '"', "”": '"',
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"«": '"', "»": '"', "–": "-", "—": "-",
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"…": "...", "œ": "oe", "Œ": "OE",
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"æ": "ae", "Æ": "AE", "©": "(c)", "®": "(R)",
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"™": "TM", "§": "§", "°": "°", "±": "+/-",
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"×": "x", "÷": "/"
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}.get(m.group(0), m.group(0)),
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text,
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)
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# Conserver uniquement les caractères suivants
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text = re.sub(r'[^a-zA-ZÀ-ÿæ-œ0-9\s\.\,\:\;\!\?\-\_\'\"\\\(\)]', '', text)
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# Réduire les espaces multiples
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return re.sub(r'\s+', ' ', text).strip()
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def extract_and_clean_pdf(pdf_path: str) -> str:
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"""Ouvre le PDF, récupère le texte et le nettoie."""
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print(f"[+] Extraction du PDF : {pdf_path}")
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all_pages = []
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with pdfplumber.open(pdf_path) as pdf:
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for page in pdf.pages:
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txt = page.extract_text()
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if txt:
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all_pages.append(txt)
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return clean_text_for_rag(" ".join(all_pages))
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def extract_and_clean_docx(docx_path: str) -> str:
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"""Lit un fichier DOCX et le nettoie."""
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print(f"[+] Extraction du DOCX : {docx_path}")
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doc = docx.Document(docx_path)
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paragraphs = []
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for para in doc.paragraphs:
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text = para.text.strip()
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if text:
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paragraphs.append(text)
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return clean_text_for_rag(" ".join(paragraphs))
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def extract_and_clean_txt(txt_path: str) -> str:
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"""Lit un fichier texte (txt, md, …) et le nettoie."""
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print(f"[+] Lecture du fichier texte : {txt_path}")
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with open(txt_path, "r", encoding="utf-8") as f:
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lines = f.readlines()
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cleaned = [
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clean_text_for_rag(line.strip())
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for line in lines
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if line.strip()
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]
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return "\n".join(cleaned)
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def process_file(input_file: gr.File, output_name: str) -> str:
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"""
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- Detecte le type (PDF ou texte)
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- Effectue l'extraction + nettoyage
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- Crée un fichier temporaire **avec le nom choisi** (output_name)
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- Retourne le chemin du fichier temporaire (Gradio le propose en téléchargement)
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"""
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input_path = input_file.name
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_, ext = os.path.splitext(input_path.lower())
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if ext == ".pdf":
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cleaned_text = extract_and_clean_pdf(input_path)
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elif ext == ".docx":
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cleaned_text = extract_and_clean_docx(input_path)
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else:
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cleaned_text = extract_and_clean_txt(input_path)
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output_name = output_name.strip()
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if not output_name.lower().endswith(".md"):
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output_name = f"{output_name}.md"
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temp_dir = tempfile.mkdtemp()
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out_path = os.path.join(temp_dir, output_name)
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with open(out_path, "w", encoding="utf-8") as f:
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f.write(cleaned_text)
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return out_path
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with gr.Blocks(title="Nettoyage de texte pour RAG") as demo:
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gr.Markdown("# 📄 Nettoyage d'un fichier pour utilisation RAG")
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gr.Markdown(
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"Déposez simplement votre fichier : nous nous chargeons d’extraire son contenu textuel, de le nettoyer "
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"puis de vous le restituer en format markdown **sous le nom que vous choisissez.**"
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)
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with gr.Row():
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with gr.Column(scale=1):
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input_file = gr.File(
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label="Déposez votre fichier ici",
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file_types=["pdf", "txt", "md", "docx"],
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)
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output_name = gr.Textbox(
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value="output.md",
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label="Nom du fichier de sortie (en .md)",
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placeholder="exemple.md",
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interactive=True,
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)
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submit_btn = gr.Button("Traiter le fichier", variant="primary")
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with gr.Column(scale=1):
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output_file = gr.File(
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label="Fichier nettoyé (.md)",
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file_types=["md"],
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)
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submit_btn.click(
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fn=process_file,
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inputs=[input_file, output_name],
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outputs=output_file,
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)
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gr.Markdown(
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"""
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---
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**Prétraitements effectués :**
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- Suppression des symboles non imprimables et des caractères parasites
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- Conservation des lettres (y compris accentuées), chiffres, espaces et ponctuation simple
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- Normalisation des espaces pour un texte harmonieux
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- Export automatique au format **`.md`**
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"""
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)
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if __name__ == "__main__":
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demo.launch(share=True)
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