Merge branch 'development' of gitea.centx.de:lelo/cdh-merger into development

.gitignore

@@ -1,3 +1,5 @@
 app/__pycache__/
 app/.flask_session/
+.flask_session/
+venv/
 .env

app/app.py

@@ -27,7 +27,7 @@ def get_dataframe(key):
     return df
 
 
-def get_merged_df(table_name):
+def get_merged_df(table_name): # return table_name: str
     """
     Return a DataFrame for the given table_name based on Stripe and Raisenow inputs,
     enforcing strict one-to-one matching with:
@@ -36,7 +36,7 @@ def get_merged_df(table_name):
       - no pandas merge suffixes at all
       - all original columns (including Raisenow's norm_zweck) preserved
     """
-
+    print('calculated DataFrame')
     # --- load & normalize Stripe ---
     stripe_import = get_dataframe('stripe_import')
     
@@ -339,10 +339,12 @@ def upload():
         return jsonify({'error': 'No files uploaded'}), 400
 
     for f in files:
+        print('uploading file:', f.filename)
         raw = (
             pd.read_csv(f) if f.filename.lower().endswith('.csv') else pd.read_excel(f)
         )
         raw = raw.dropna(how='all').dropna(axis=1, how='all')
+        print('number of rows:', len(raw))
         raw = raw.astype(object).replace({np.nan: None})
         cols = list(raw.columns)
         if cols[:len(STRIPE_STARTING_COLS)] == STRIPE_STARTING_COLS:
@@ -367,9 +369,9 @@ def upload():
 @app.route('/get_table')
 def get_table():
     table = request.args.get('table')
-    
+    print('get_table:', table)
     df = get_merged_df(table)
-
+    print('number of rows:', len(df))
     df = df.astype(object).where(pd.notnull(df), None)
     return jsonify({
         'columns': list(df.columns),