added json loading

cbutil/__init__.py

 from .upload import DBConfig, Uploader
 from .processing_functions import mesa_pd_text
 from .postprocessing import *
-from .util import read_file_line_wise, time_conversion
+from .util import read_file_line_wise, time_conversion, file_time_to_sec, get_from_nested_dict
 from .data_points import DataPoint, data_point_factory
 from .get_job_info import get_url_from_env, get_job_datapoints

cbutil/postprocessing/__init__.py

-from .plain_text import process_linewise, iterate_csv
+from .plain_text import process_linewise, iterate_csv, json2dict
 from .sqlite import sqlite_context, query_complete_table, build_iterate_query, iterate_all_tables
 from .sqlite_helper import query_builder

cbutil/postprocessing/plain_text.py

 import csv
+import json
 from collections import abc
 from typing import Callable, Iterable
 
@@ -30,3 +31,8 @@ class CSVIterator(abc.Iterable):
         with open(self.file_name, "r") as in_file:
             for row in csv.DictReader(in_file):
                 yield row
+
+
+def json2dict(path: str) -> dict:
+    with open(path, "r") as json_file:
+        return json.load(json_file)

cbutil/util.py

-import git
+import logging
+import operator
 import os
 from datetime import datetime
-
-from typing import Union, Tuple
+from functools import reduce
 from pathlib import Path
+from typing import Tuple, Union
 
-import logging
+import git
 
 logger = logging.getLogger(__file__)
 
@@ -68,3 +69,7 @@ def time_conversion(time_stamp, *, pattern="%Y-%m-%d %H:%M:%S"):
         dt = datetime.fromisoformat(time_stamp)
 
     return int(dt.timestamp())
+
+
+def get_from_nested_dict(nested_dict, keys):
+    return reduce(operator.getitem, keys, nested_dict)