initial

src/tools/data_loader.py

@@ -0,0 +1,25 @@
+
+import sys
+import sqlite3
+import pandas as pd
+
+def load_sqlite_to_dataframe(db_path, query):
+    try:
+        conn = sqlite3.connect(db_path)
+
+        df = pd.read_sql_query(query, conn)
+        return df
+    except sqlite3.Error as excpt:
+        print(f"SQLite error: {excpt}")
+        raise
+    except Exception as e:
+        print(f"Error: {excpt}")
+        raise
+    finally:
+        if 'conn' in locals():
+            conn.close()
+
+if __name__ == "__main__":
+    df1 = load_sqlite_to_dataframe(sys.argv[1], table_name='md_1min_bars')
+
+    print(df1)