Update ledgerai to read existing transactions from beancount file

src/toldg/utils.py

@@ -3,7 +3,7 @@ import logging
 import os
 import sys
 from pathlib import Path
-from typing import Any, Dict, List, Optional
+from typing import Dict, List
 
 from pydantic import ValidationError
 
@@ -57,14 +57,6 @@ def category_to_bean(c: str) -> str:
     return ":".join(new_sections)
 
 
-def write_meta(config: Config):
-    with open(config.output_file, "a") as f:
-        for category in config.categories:
-            f.write(f"2017-01-01 open {category_to_bean(category)}\n")
-        f.write("\n")
-        f.write('option "operating_currency" "USD"\n\n')
-
-
 def write_mappings(transactions: List[Transaction], mappings_file: Path):
     """Write transactions to the mappings file."""
 
@@ -74,10 +66,8 @@ def write_mappings(transactions: List[Transaction], mappings_file: Path):
             pass
         else:
             mapping = Mapping(
-                **{
-                    "account2": t.account2.strip(),
-                    "narration": t.description,
-                }
+                account2=t.account2.strip(),
+                narration=t.description,
             )
             mappings[t.key()] = mapping