Merge branch 'feature/39_meta' into dev

README.md

@@ -38,7 +38,8 @@ python run.py
 
 #### 2.1.0
 
-- Ajout de la vue acheteur
+- Ajout des vues [acheteur](https://decp.info/acheteurs/24350013900189) et [fournisseur](https://decp.info/fournisseurs/51903758414786) ([#28](https://github.com/ColinMaudry/decp.info/issues/28) et [#35](https://github.com/ColinMaudry/decp.info/issues/35))
+- Ajout des balises HTML meta Open Graph et Twitter ([#39](https://github.com/ColinMaudry/decp.info/issues/39)) pour de beaux aperçus de liens
 - Variables globales uniquement en lecture
 
 ##### 2.0.1 (23 septembre 2025)

src/app.py

@@ -1,14 +1,54 @@
 import logging
+import os
 
 import dash_bootstrap_components as dbc
 from dash import Dash, dcc, html, page_container, page_registry
+from dotenv import load_dotenv
 from flask import send_from_directory
 
+load_dotenv()
+
+domain_name = (
+    "test.decp.info" if os.getenv("DEVELOPMENT").lower() == "true" else "decp.info"
+)
+image_url = f"https://{domain_name}/assets/decp.info.png"
+title = "decp.info - exploration des marchés publics français"
+description = (
+    "Explorez et analysez les données des marchés publics français avec cet outil libre et gratuit. "
+    "Pour une commande publique accessible à toutes et tous."
+)
+
 app = Dash(
     external_stylesheets=[dbc.themes.SIMPLEX],
     title="decp.info",
     use_pages=True,
     compress=True,
+    meta_tags=[
+        {
+            "property": "og:image",
+            "content": image_url,
+        },
+        {
+            "name": "twitter:image",
+            "content": image_url,
+        },
+        {
+            "property": "og:title",
+            "content": title,
+        },
+        {
+            "name": "twitter:title",
+            "content": title,
+        },
+        {
+            "property": "og:description",
+            "content": description,
+        },
+        {
+            "name": "twitter:description",
+            "content": description,
+        },
+    ],
 )
 # COSMO (belle font, blue),
 # UNITED (rouge, ubuntu font),

src/pages/about.py

@@ -1,14 +1,11 @@
 import os
 
 from dash import dcc, html, register_page
-from dotenv import load_dotenv
 
 from src.figures import get_sources_tables
 
 title = "À propos"
 
-load_dotenv()
-
 register_page(
     __name__, path="/a-propos", title=f"decp.info - {title}", name=title, order=5
 )

src/pages/home.py

@@ -3,7 +3,6 @@ from datetime import datetime
 
 import polars as pl
 from dash import Input, Output, State, callback, dash_table, dcc, html, register_page
-from dotenv import load_dotenv
 
 from src.utils import (
     add_org_links,
@@ -14,8 +13,6 @@ from src.utils import (
     sort_table_data,
 )
 
-load_dotenv()
-
 update_date = os.path.getmtime(os.getenv("DATA_FILE_PARQUET_PATH"))
 update_date = datetime.fromtimestamp(update_date).strftime("%d/%m/%Y")
 
@@ -56,6 +53,14 @@ datatable = html.Div(
                 "lineHeight": "14px",
                 "whiteSpace": "normal",
             },
+            {
+                "if": {"column_id": "titulaire_nom"},
+                "minWidth": "250px",
+                "textAlign": "left",
+                "overflow": "hidden",
+                "lineHeight": "14px",
+                "whiteSpace": "normal",
+            },
         ],
         data_timestamp=0,
         markdown_options={"html": True},

src/utils.py

@@ -5,12 +5,9 @@ from time import sleep
 
 import polars as pl
 import polars.selectors as cs
-from dotenv import load_dotenv
 from httpx import get
 from polars.exceptions import ComputeError
 
-load_dotenv()
-
 operators = [
     ["s<", "<"],
     ["s>", ">"],