app.py

from Packages import *
st.set_page_config(page_title="NIRS Utils", page_icon=":goat:", layout="wide",)
if 'interface' not in st.session_state:
    st.session_state['interface'] = 'simple'
from Modules import *
from Class_Mod.DATA_HANDLING import *


# HTML pour le bandeau "CEFE - CNRS"
bandeau_html = """
<div style="width: 100%; background-color: #4682B4; padding: 10px; margin-bottom: 10px;">
  <h1 style="text-align: center; color: white;">CEFE - CNRS</h1>
</div>
"""

# Injecter le code HTML du bandeau
st.markdown(bandeau_html, unsafe_allow_html=True)

# # TOC menu on the left
show_pages(
    [Page("app.py", "Home"),
     Page("pages\\1-samples_selection.py", "Samples Selection"),
     Page("pages\\2-model_creation.py", "Models Creation"),
     Page("pages\\3-prediction.py", "Predictions"),
     ]
)
hide_pages("Samples Selection")
hide_pages("Models Creation")
hide_pages("Predictions")


with st.sidebar:
    interface = st.selectbox(label="Interface", options=['simple', 'advanced'], key='interface')
    st.page_link('pages\\1-samples_selection.py')
    if st.session_state['interface'] == 'simple':
        st.page_link('pages\\2-model_creation.py')
    # if advanced interface, split Models Creation and Predictions
    elif st.session_state['interface'] == 'advanced':
        show_pages(
            [Page("app.py", "Home"),
             Page("pages\\1-samples_selection.py", "Samples Selection"),
             Page("pages\\2-model_creation.py", "Models Creation"),
             Page("pages\\3-prediction.py", "Predictions"),
             ]
        )
        st.page_link('pages\\2-model_creation.py')
        st.page_link('pages\\3-prediction.py')


# Page header
with st.container():

    # Centrer les boutons
    st.markdown(
        """
        <style>
        .stButton>button {
            display: block;
            margin: 0 auto;
            width: 200px; 
            height: 50px; 
            font-size: 16px; 
        }
        </style>
        """,
        unsafe_allow_html=True
    )

    header1, header2, header3 = st.columns(3)
    if header1.button("Samples Selection"):
        st.switch_page('pages\\1-samples_selection.py')
    if header2.button("Model Creation"):
        st.switch_page('pages\\2-model_creation.py')
    if header3.button("Predictions"):
        st.switch_page('pages\\3-prediction.py')
    st.subheader("Plateforme d'Analyses Chimiques pour l'Ecologie-PACE :goat:")
    st.title("NIRS Utils")
    st.write("Samples selection (PCA, [UMAP](https://umap-learn.readthedocs.io/en/latest/how_umap_works.html), ...), Predictive Modelling ([Pinard](https://github.com/GBeurier/pinard), [LWPLSR](https://doi.org/10.1002/cem.3209), ...), and Predictions using your data (CSV or DX files) and/or PACE NIRS Database.")
    #st.image(img_general)
    st.markdown("### We could add documentation here ###")