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import streamlit as st |
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from google import genai |
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from PIL import Image |
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import io |
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import os |
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import google.auth |
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import subprocess |
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import tempfile |
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import shutil |
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gen = api_key=os.environ['GOOGLE_API_KEY'] |
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client = genai.Client(api_key=gen) |
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def ensure_latex_packages(): |
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"""Vérifie si les packages LaTeX nécessaires sont installés.""" |
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required_packages = ['amsmath', 'amssymb'] |
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try: |
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subprocess.run(['pdflatex', '--version'], capture_output=True, check=True) |
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return True |
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except subprocess.CalledProcessError: |
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st.error("pdflatex n'est pas installé. Veuillez installer TeX Live ou MiKTeX.") |
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return False |
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except FileNotFoundError: |
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st.error("pdflatex n'est pas trouvé. Veuillez installer TeX Live ou MiKTeX.") |
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return False |
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def generate_latex_response(image_path, question): |
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"""Génère une réponse en format LaTeX depuis le modèle Gemini.""" |
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try: |
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print("Utiliser ") |
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prompt = "Resous cette exercice. ça doit être bien présentable. c'est un devoir de lycée terminal S. Write you answer with rendering Latex . Donne uniquement du code Latex et rien d'autre. Commence ta réponse par \document" |
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image_data = Image.open(image_path) |
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response = client.models.generate_content( |
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model="gemini-2.0-flash-thinking-exp", |
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contents=[image_data, prompt] |
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) |
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answer = response.candidates[0].content.parts[1].text |
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if answer.startswith("```latex"): |
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answer = answer[8:] |
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if answer.endswith("```"): |
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answer = answer[:-3] |
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return answer.strip() |
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except Exception as e: |
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st.error(f"Erreur lors de la génération de la réponse: {str(e)}") |
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return None |
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def latex_to_pdf(latex_content): |
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"""Convertit le contenu LaTeX en PDF.""" |
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with tempfile.TemporaryDirectory() as temp_dir: |
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tex_file = os.path.join(temp_dir, "output.tex") |
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with open(tex_file, "w", encoding="utf-8") as f: |
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f.write(latex_content) |
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try: |
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for _ in range(2): |
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subprocess.run( |
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["pdflatex", "-interaction=nonstopmode", "output.tex"], |
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cwd=temp_dir, |
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capture_output=True, |
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check=True |
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) |
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pdf_file = os.path.join(temp_dir, "output.pdf") |
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with open(pdf_file, "rb") as f: |
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pdf_data = f.read() |
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return pdf_data |
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except subprocess.CalledProcessError as e: |
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st.error(f"Erreur lors de la génération du PDF: {e}") |
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st.code(e.output.decode()) |
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return None |
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def main(): |
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st.title("Math/physique/chimie pdf test avec Export PDF") |
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if not ensure_latex_packages(): |
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st.stop() |
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uploaded_file = st.file_uploader("Choisissez une image...", type=["png", "jpg", "jpeg"]) |
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if uploaded_file is not None: |
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with tempfile.NamedTemporaryFile(delete=False, suffix='.png') as tmp_file: |
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tmp_file.write(uploaded_file.getvalue()) |
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temp_image_path = tmp_file.name |
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image = Image.open(temp_image_path) |
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st.image(image, caption="Image téléchargée", use_container_width=True) |
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question= "yusuf" |
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if st.button("Générer la réponse"): |
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if question: |
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with st.spinner("Génération de la réponse en cours..."): |
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latex_response = generate_latex_response(temp_image_path, question) |
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st.markdown("### Code LaTeX généré:") |
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st.text("Réponse !!") |
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with st.spinner("Conversion en PDF..."): |
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pdf_data = latex_to_pdf(latex_response) |
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if pdf_data: |
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st.download_button( |
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label="Télécharger le PDF", |
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data=pdf_data, |
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file_name="reponse_mariam.pdf", |
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mime="application/pdf" |
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) |
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else: |
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st.warning("Veuillez entrer une question.") |
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if __name__ == "__main__": |
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main() |