Merge pull request agoenergy#206 from agoenergy/203-hyperlinks-to-ref…

…erences

insert clickable markdown links for references in context data

app/context_data.py

@@ -21,4 +21,30 @@ def load_context_data():
     )
     cd["literature"] = pd.read_excel(filename, sheet_name="literature")
 
-    return cd
+    return _insert_clickable_references(cd)
+
+
+def _insert_clickable_references(context_data):
+    """Insert clickable markdown references into the context data text fields."""
+    literature = context_data["literature"]
+    literature["markdown_link"] = (
+        "[" + literature["short_name"] + "](" + literature["url"] + ")"
+    )
+    links = literature.set_index("short_name")["markdown_link"].to_dict()
+
+    cd_new = {}
+    cd_new["literature"] = context_data["literature"]
+    for sheet in [
+        "demand_countries",
+        "certification_schemes",
+        "sustainability",
+        "supply",
+    ]:
+        for ref, link in links.items():
+            df = context_data[sheet]
+            for col in df.columns:
+                df[col] = df[col].astype("string").str.replace(ref, link)
+
+        cd_new[sheet] = df
+
+    return cd_new

app/tab_country_fact_sheets.py

@@ -100,14 +100,16 @@ def _create_fact_sheet_supply_country(context_data: dict, api: PtxboaAPI):
 
     st.subheader(f"{flag} Fact sheet for {region_name}")
     with st.expander("**Technical potential for renewable electricity generation**"):
-        if isinstance(data["re_tech_pot_EWI"], (int, float)):
-            re_tech_pot_EWI = f"{data['re_tech_pot_EWI']:.0f} TWh/a"
-        else:
+        try:
+            val = float(data["re_tech_pot_EWI"])
+            re_tech_pot_EWI = f"{val:.0f} TWh/a"
+        except ValueError:
             re_tech_pot_EWI = data["re_tech_pot_EWI"]
 
-        if isinstance(data["re_tech_pot_PTXAtlas"], (int, float)):
-            re_tech_pot_PTXAtlas = f"{data['re_tech_pot_PTXAtlas']:.0f} TWh/a"
-        else:
+        try:
+            val = float(data["re_tech_pot_PTXAtlas"])
+            re_tech_pot_PTXAtlas = f"{val:.0f} TWh/a"
+        except ValueError:
             re_tech_pot_PTXAtlas = data["re_tech_pot_PTXAtlas"]
 
         text = (